diff --git a/dist/xeokit-sdk.cjs.js b/dist/xeokit-sdk.cjs.js
index 544c72d18..072d68ec0 100644
--- a/dist/xeokit-sdk.cjs.js
+++ b/dist/xeokit-sdk.cjs.js
@@ -61851,7 +61851,7 @@ class VBOInstancingTrianglesLayer {
             state.indicesBuf = new ArrayBuf(gl, gl.ELEMENT_ARRAY_BUFFER, new Uint32Array(geometry.indices), geometry.indices.length, 1, gl.STATIC_DRAW);
             state.numIndices = geometry.indices.length;
         }
-        if (geometry.primitive === "triangles" || geometry.primitive === "solid" || geometry.primitive === "surface") {
+        if (geometry.edgeIndices && geometry.edgeIndices.length > 0) {
             state.edgeIndicesBuf = new ArrayBuf(gl, gl.ELEMENT_ARRAY_BUFFER, new Uint32Array(geometry.edgeIndices), geometry.edgeIndices.length, 1, gl.STATIC_DRAW);
         }
 
@@ -97467,7 +97467,6 @@ class MousePanRotateDollyHandler {
         });
 
         function setMousedownState(pick = true) {
-            canvas.style.cursor = "move";
             setMousedownPositions();
             if (pick) {
                 setMousedownPick();
@@ -98258,7 +98257,7 @@ class KeyboardPanRotateDollyHandler {
 
         const keyDownMap = [];
 
-        const canvas = scene.canvas.canvas;
+        scene.canvas.canvas;
 
         let mouseMovedSinceLastKeyboardDolly = true;
 
@@ -98274,10 +98273,6 @@ class KeyboardPanRotateDollyHandler {
                 return;
             }
             keyDownMap[keyCode] = true;
-
-            if (keyCode === input.KEY_SHIFT) {
-                canvas.style.cursor = "move";
-            }
         });
 
         this._onSceneKeyUp = input.on("keyup", (keyCode) => {
@@ -98286,10 +98281,6 @@ class KeyboardPanRotateDollyHandler {
             }
             keyDownMap[keyCode] = false;
 
-            if (keyCode === input.KEY_SHIFT) {
-                canvas.style.cursor = null;
-            }
-
             if (controllers.pivotController.getPivoting()) {
                 controllers.pivotController.endPivot();
             }
@@ -98446,6 +98437,7 @@ class CameraUpdater {
         const pickController = controllers.pickController;
         const pivotController = controllers.pivotController;
         const panController = controllers.panController;
+        const cameraControl = controllers.cameraControl;
 
         let countDown = SCALE_DOLLY_EACH_FRAME; // Decrements on each tick
         let dollyDistFactor = 1.0; // Calculated when countDown is zero
@@ -98570,7 +98562,7 @@ class CameraUpdater {
                 updates.rotateDeltaX *= configs.rotationInertia;
                 updates.rotateDeltaY *= configs.rotationInertia;
 
-                cursorType = "grabbing";
+                cursorType = cameraControl._cursors.rotate;
             }
 
             //----------------------------------------------------------------------------------------------------------
@@ -98636,7 +98628,7 @@ class CameraUpdater {
                     camera.pan(vec);
                 }
 
-                cursorType = "grabbing";
+                cursorType = cameraControl._cursors.pan;
             }
 
             updates.panDeltaX *= configs.panInertia;
@@ -98650,9 +98642,9 @@ class CameraUpdater {
             if (dollyDeltaForDist !== 0) {
 
                 if (dollyDeltaForDist < 0) {
-                    cursorType = "zoom-in";
+                    cursorType = cameraControl._cursors.dollyForward;
                 } else {
-                    cursorType = "zoom-out";
+                    cursorType = cameraControl._cursors.dollyBackward;
                 }
 
                 if (configs.firstPerson) {
@@ -100113,6 +100105,13 @@ class CameraControl extends Component {
             new KeyboardPanRotateDollyHandler(this.scene, this._controllers, this._configs, this._states, this._updates)
         ];
 
+        this._cursors = {
+            dollyForward: "zoom-in",
+            dollyBackward: "zoom-out",
+            rotate: 'grabbing',
+            pan: 'move',
+        };
+
         // Applies scheduled updates to the Camera on each Scene "tick" event
 
         this._cameraUpdater = new CameraUpdater(this.scene, this._controllers, this._configs, this._states, this._updates);
@@ -100474,6 +100473,37 @@ class CameraControl extends Component {
         this._configs.pointerEnabled = !!value;
     }
 
+    /**
+     * Sets the cursor to be used when a particular action is being performed.
+     *
+     * Accepted actions are:
+     * 
+     * * "dollyForward" - when the camera is dollying in the forward direction
+     * * "dollyBackward" - when the camera is dollying in the backward direction
+     * * "pan" - when the camera is being panned
+     * * "rotate" - when the camera is being rotated
+     *
+     * @param {String} action
+     * @param {String} style
+     */
+    setCursorStyle(action, style) {
+        if (Object.prototype.hasOwnProperty.call(this._cursors, action)) {
+            this._cursors = { ...this._cursors, [action]: style };
+        }
+        else
+            console.warn(`Action '${action}' is not valid for cursor styles.`);
+    }
+
+    /**
+     * Gets the current style for a particular action.
+     *
+     * @param {String} action To get the style for
+     * @returns {String} style set on the cursor for action
+     */
+    getCursorStyle(action) {
+        return this._cursors[action] || null;
+    }
+
     _reset() {
         for (let i = 0, len = this._handlers.length; i < len; i++) {
             const handler = this._handlers[i];
diff --git a/dist/xeokit-sdk.es.js b/dist/xeokit-sdk.es.js
index 28097f617..13de42e41 100644
--- a/dist/xeokit-sdk.es.js
+++ b/dist/xeokit-sdk.es.js
@@ -61847,7 +61847,7 @@ class VBOInstancingTrianglesLayer {
             state.indicesBuf = new ArrayBuf(gl, gl.ELEMENT_ARRAY_BUFFER, new Uint32Array(geometry.indices), geometry.indices.length, 1, gl.STATIC_DRAW);
             state.numIndices = geometry.indices.length;
         }
-        if (geometry.primitive === "triangles" || geometry.primitive === "solid" || geometry.primitive === "surface") {
+        if (geometry.edgeIndices && geometry.edgeIndices.length > 0) {
             state.edgeIndicesBuf = new ArrayBuf(gl, gl.ELEMENT_ARRAY_BUFFER, new Uint32Array(geometry.edgeIndices), geometry.edgeIndices.length, 1, gl.STATIC_DRAW);
         }
 
@@ -97463,7 +97463,6 @@ class MousePanRotateDollyHandler {
         });
 
         function setMousedownState(pick = true) {
-            canvas.style.cursor = "move";
             setMousedownPositions();
             if (pick) {
                 setMousedownPick();
@@ -98254,7 +98253,7 @@ class KeyboardPanRotateDollyHandler {
 
         const keyDownMap = [];
 
-        const canvas = scene.canvas.canvas;
+        scene.canvas.canvas;
 
         let mouseMovedSinceLastKeyboardDolly = true;
 
@@ -98270,10 +98269,6 @@ class KeyboardPanRotateDollyHandler {
                 return;
             }
             keyDownMap[keyCode] = true;
-
-            if (keyCode === input.KEY_SHIFT) {
-                canvas.style.cursor = "move";
-            }
         });
 
         this._onSceneKeyUp = input.on("keyup", (keyCode) => {
@@ -98282,10 +98277,6 @@ class KeyboardPanRotateDollyHandler {
             }
             keyDownMap[keyCode] = false;
 
-            if (keyCode === input.KEY_SHIFT) {
-                canvas.style.cursor = null;
-            }
-
             if (controllers.pivotController.getPivoting()) {
                 controllers.pivotController.endPivot();
             }
@@ -98442,6 +98433,7 @@ class CameraUpdater {
         const pickController = controllers.pickController;
         const pivotController = controllers.pivotController;
         const panController = controllers.panController;
+        const cameraControl = controllers.cameraControl;
 
         let countDown = SCALE_DOLLY_EACH_FRAME; // Decrements on each tick
         let dollyDistFactor = 1.0; // Calculated when countDown is zero
@@ -98566,7 +98558,7 @@ class CameraUpdater {
                 updates.rotateDeltaX *= configs.rotationInertia;
                 updates.rotateDeltaY *= configs.rotationInertia;
 
-                cursorType = "grabbing";
+                cursorType = cameraControl._cursors.rotate;
             }
 
             //----------------------------------------------------------------------------------------------------------
@@ -98632,7 +98624,7 @@ class CameraUpdater {
                     camera.pan(vec);
                 }
 
-                cursorType = "grabbing";
+                cursorType = cameraControl._cursors.pan;
             }
 
             updates.panDeltaX *= configs.panInertia;
@@ -98646,9 +98638,9 @@ class CameraUpdater {
             if (dollyDeltaForDist !== 0) {
 
                 if (dollyDeltaForDist < 0) {
-                    cursorType = "zoom-in";
+                    cursorType = cameraControl._cursors.dollyForward;
                 } else {
-                    cursorType = "zoom-out";
+                    cursorType = cameraControl._cursors.dollyBackward;
                 }
 
                 if (configs.firstPerson) {
@@ -100109,6 +100101,13 @@ class CameraControl extends Component {
             new KeyboardPanRotateDollyHandler(this.scene, this._controllers, this._configs, this._states, this._updates)
         ];
 
+        this._cursors = {
+            dollyForward: "zoom-in",
+            dollyBackward: "zoom-out",
+            rotate: 'grabbing',
+            pan: 'move',
+        };
+
         // Applies scheduled updates to the Camera on each Scene "tick" event
 
         this._cameraUpdater = new CameraUpdater(this.scene, this._controllers, this._configs, this._states, this._updates);
@@ -100470,6 +100469,37 @@ class CameraControl extends Component {
         this._configs.pointerEnabled = !!value;
     }
 
+    /**
+     * Sets the cursor to be used when a particular action is being performed.
+     *
+     * Accepted actions are:
+     * 
+     * * "dollyForward" - when the camera is dollying in the forward direction
+     * * "dollyBackward" - when the camera is dollying in the backward direction
+     * * "pan" - when the camera is being panned
+     * * "rotate" - when the camera is being rotated
+     *
+     * @param {String} action
+     * @param {String} style
+     */
+    setCursorStyle(action, style) {
+        if (Object.prototype.hasOwnProperty.call(this._cursors, action)) {
+            this._cursors = { ...this._cursors, [action]: style };
+        }
+        else
+            console.warn(`Action '${action}' is not valid for cursor styles.`);
+    }
+
+    /**
+     * Gets the current style for a particular action.
+     *
+     * @param {String} action To get the style for
+     * @returns {String} style set on the cursor for action
+     */
+    getCursorStyle(action) {
+        return this._cursors[action] || null;
+    }
+
     _reset() {
         for (let i = 0, len = this._handlers.length; i < len; i++) {
             const handler = this._handlers[i];
diff --git a/dist/xeokit-sdk.es5.js b/dist/xeokit-sdk.es5.js
index 912956a4e..7a0b104d5 100644
--- a/dist/xeokit-sdk.es5.js
+++ b/dist/xeokit-sdk.es5.js
@@ -1,4 +1,4 @@
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_unsupportedIterableToArray(o,minLen){if(!o)return;if(typeof o==="string")return _arrayLikeToArray(o,minLen);var n=Object.prototype.toString.call(o).slice(8,-1);if(n==="Object"&&o.constructor)n=o.constructor.name;if(n==="Map"||n==="Set")return Array.from(o);if(n==="Arguments"||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))return _arrayLikeToArray(o,minLen);}function _iterableToArray(iter){if(typeof Symbol!=="undefined"&&iter[Symbol.iterator]!=null||iter["@@iterator"]!=null)return Array.from(iter);}function _arrayWithoutHoles(arr){if(Array.isArray(arr))return _arrayLikeToArray(arr);}function _arrayLikeToArray(arr,len){if(len==null||len>arr.length)len=arr.length;for(var i=0,arr2=new Array(len);i<len;i++){arr2[i]=arr[i];}return arr2;}function _get(){if(typeof Reflect!=="undefined"&&Reflect.get){_get=Reflect.get.bind();}else{_get=function _get(target,property,receiver){var base=_superPropBase(target,property);if(!base)return;var desc=Object.getOwnPropertyDescriptor(base,property);if(desc.get){return desc.get.call(arguments.length<3?target:receiver);}return desc.value;};}return _get.apply(this,arguments);}function _superPropBase(object,property){while(!Object.prototype.hasOwnProperty.call(object,property)){object=_getPrototypeOf(object);if(object===null)break;}return object;}function _inherits(subClass,superClass){if(typeof superClass!=="function"&&superClass!==null){throw new TypeError("Super expression must either be null or a function");}subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,writable:true,configurable:true}});Object.defineProperty(subClass,"prototype",{writable:false});if(superClass)_setPrototypeOf(subClass,superClass);}function _setPrototypeOf(o,p){_setPrototypeOf=Object.setPrototypeOf?Object.setPrototypeOf.bind():function _setPrototypeOf(o,p){o.__proto__=p;return o;};return _setPrototypeOf(o,p);}function _createSuper(Derived){var hasNativeReflectConstruct=_isNativeReflectConstruct();return function _createSuperInternal(){var Super=_getPrototypeOf(Derived),result;if(hasNativeReflectConstruct){var NewTarget=_getPrototypeOf(this).constructor;result=Reflect.construct(Super,arguments,NewTarget);}else{result=Super.apply(this,arguments);}return _possibleConstructorReturn(this,result);};}function _possibleConstructorReturn(self,call){if(call&&(_typeof(call)==="object"||typeof call==="function")){return call;}else if(call!==void 0){throw new TypeError("Derived constructors may only return object or undefined");}return _assertThisInitialized(self);}function _assertThisInitialized(self){if(self===void 0){throw new ReferenceError("this hasn't been initialised - super() hasn't been called");}return self;}function _isNativeReflectConstruct(){if(typeof Reflect==="undefined"||!Reflect.construct)return false;if(Reflect.construct.sham)return false;if(typeof Proxy==="function")return true;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return true;}catch(e){return false;}}function _getPrototypeOf(o){_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf.bind():function _getPrototypeOf(o){return o.__proto__||Object.getPrototypeOf(o);};return _getPrototypeOf(o);}function _typeof(obj){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj;}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;},_typeof(obj);}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function");}}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor);}}function _createClass(Constructor,protoProps,staticProps){if(protoProps)_defineProperties(Constructor.prototype,protoProps);if(staticProps)_defineProperties(Constructor,staticProps);Object.defineProperty(Constructor,"prototype",{writable:false});return Constructor;}function _awaitAsyncGenerator(value){return new _AwaitValue(value);}function _wrapAsyncGenerator(fn){return function(){return new _AsyncGenerator(fn.apply(this,arguments));};}function _AsyncGenerator(gen){var front,back;function send(key,arg){return new Promise(function(resolve,reject){var request={key:key,arg:arg,resolve:resolve,reject:reject,next:null};if(back){back=back.next=request;}else{front=back=request;resume(key,arg);}});}function resume(key,arg){try{var result=gen[key](arg);var value=result.value;var wrappedAwait=value instanceof _AwaitValue;Promise.resolve(wrappedAwait?value.wrapped:value).then(function(arg){if(wrappedAwait){resume(key==="return"?"return":"next",arg);return;}settle(result.done?"return":"normal",arg);},function(err){resume("throw",err);});}catch(err){settle("throw",err);}}function settle(type,value){switch(type){case"return":front.resolve({value:value,done:true});break;case"throw":front.reject(value);break;default:front.resolve({value:value,done:false});break;}front=front.next;if(front){resume(front.key,front.arg);}else{back=null;}}this._invoke=send;if(typeof gen["return"]!=="function"){this["return"]=undefined;}}_AsyncGenerator.prototype[typeof Symbol==="function"&&Symbol.asyncIterator||"@@asyncIterator"]=function(){return this;};_AsyncGenerator.prototype.next=function(arg){return this._invoke("next",arg);};_AsyncGenerator.prototype["throw"]=function(arg){return this._invoke("throw",arg);};_AsyncGenerator.prototype["return"]=function(arg){return this._invoke("return",arg);};function _AwaitValue(value){this.wrapped=value;}function _asyncIterator(iterable){var method,async,sync,retry=2;for("undefined"!=typeof Symbol&&(async=Symbol.asyncIterator,sync=Symbol.iterator);retry--;){if(async&&null!=(method=iterable[async]))return method.call(iterable);if(sync&&null!=(method=iterable[sync]))return new AsyncFromSyncIterator(method.call(iterable));async="@@asyncIterator",sync="@@iterator";}throw new TypeError("Object is not async iterable");}function AsyncFromSyncIterator(s){function AsyncFromSyncIteratorContinuation(r){if(Object(r)!==r)return Promise.reject(new TypeError(r+" is not an object."));var done=r.done;return Promise.resolve(r.value).then(function(value){return{value:value,done:done};});}return AsyncFromSyncIterator=function AsyncFromSyncIterator(s){this.s=s,this.n=s.next;},AsyncFromSyncIterator.prototype={s:null,n:null,next:function next(){return AsyncFromSyncIteratorContinuation(this.n.apply(this.s,arguments));},"return":function _return(value){var ret=this.s["return"];return void 0===ret?Promise.resolve({value:value,done:!0}):AsyncFromSyncIteratorContinuation(ret.apply(this.s,arguments));},"throw":function _throw(value){var thr=this.s["return"];return void 0===thr?Promise.reject(value):AsyncFromSyncIteratorContinuation(thr.apply(this.s,arguments));}},new AsyncFromSyncIterator(s);}/** @private */var Map$1=/*#__PURE__*/function(){function Map$1(items,baseId){_classCallCheck(this,Map$1);this.items=items||[];this._lastUniqueId=(baseId||0)+1;}/**
+var _DEFAULT_SAMPLER;var _marked=/*#__PURE__*/_regeneratorRuntime().mark(makeStringIterator),_marked2=/*#__PURE__*/_regeneratorRuntime().mark(makeArrayBufferIterator),_marked3=/*#__PURE__*/_regeneratorRuntime().mark(makeMeshPrimitiveIterator);function _regeneratorRuntime(){"use strict";/*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */_regeneratorRuntime=function _regeneratorRuntime(){return exports;};var exports={},Op=Object.prototype,hasOwn=Op.hasOwnProperty,$Symbol="function"==typeof Symbol?Symbol:{},iteratorSymbol=$Symbol.iterator||"@@iterator",asyncIteratorSymbol=$Symbol.asyncIterator||"@@asyncIterator",toStringTagSymbol=$Symbol.toStringTag||"@@toStringTag";function define(obj,key,value){return Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}),obj[key];}try{define({},"");}catch(err){define=function define(obj,key,value){return obj[key]=value;};}function wrap(innerFn,outerFn,self,tryLocsList){var protoGenerator=outerFn&&outerFn.prototype instanceof Generator?outerFn:Generator,generator=Object.create(protoGenerator.prototype),context=new Context(tryLocsList||[]);return generator._invoke=function(innerFn,self,context){var state="suspendedStart";return function(method,arg){if("executing"===state)throw new Error("Generator is already running");if("completed"===state){if("throw"===method)throw arg;return doneResult();}for(context.method=method,context.arg=arg;;){var delegate=context.delegate;if(delegate){var delegateResult=maybeInvokeDelegate(delegate,context);if(delegateResult){if(delegateResult===ContinueSentinel)continue;return delegateResult;}}if("next"===context.method)context.sent=context._sent=context.arg;else if("throw"===context.method){if("suspendedStart"===state)throw state="completed",context.arg;context.dispatchException(context.arg);}else"return"===context.method&&context.abrupt("return",context.arg);state="executing";var record=tryCatch(innerFn,self,context);if("normal"===record.type){if(state=context.done?"completed":"suspendedYield",record.arg===ContinueSentinel)continue;return{value:record.arg,done:context.done};}"throw"===record.type&&(state="completed",context.method="throw",context.arg=record.arg);}};}(innerFn,self,context),generator;}function tryCatch(fn,obj,arg){try{return{type:"normal",arg:fn.call(obj,arg)};}catch(err){return{type:"throw",arg:err};}}exports.wrap=wrap;var ContinueSentinel={};function Generator(){}function GeneratorFunction(){}function GeneratorFunctionPrototype(){}var IteratorPrototype={};define(IteratorPrototype,iteratorSymbol,function(){return this;});var getProto=Object.getPrototypeOf,NativeIteratorPrototype=getProto&&getProto(getProto(values([])));NativeIteratorPrototype&&NativeIteratorPrototype!==Op&&hasOwn.call(NativeIteratorPrototype,iteratorSymbol)&&(IteratorPrototype=NativeIteratorPrototype);var Gp=GeneratorFunctionPrototype.prototype=Generator.prototype=Object.create(IteratorPrototype);function defineIteratorMethods(prototype){["next","throw","return"].forEach(function(method){define(prototype,method,function(arg){return this._invoke(method,arg);});});}function AsyncIterator(generator,PromiseImpl){function invoke(method,arg,resolve,reject){var record=tryCatch(generator[method],generator,arg);if("throw"!==record.type){var result=record.arg,value=result.value;return value&&"object"==_typeof(value)&&hasOwn.call(value,"__await")?PromiseImpl.resolve(value.__await).then(function(value){invoke("next",value,resolve,reject);},function(err){invoke("throw",err,resolve,reject);}):PromiseImpl.resolve(value).then(function(unwrapped){result.value=unwrapped,resolve(result);},function(error){return invoke("throw",error,resolve,reject);});}reject(record.arg);}var previousPromise;this._invoke=function(method,arg){function callInvokeWithMethodAndArg(){return new PromiseImpl(function(resolve,reject){invoke(method,arg,resolve,reject);});}return previousPromise=previousPromise?previousPromise.then(callInvokeWithMethodAndArg,callInvokeWithMethodAndArg):callInvokeWithMethodAndArg();};}function maybeInvokeDelegate(delegate,context){var method=delegate.iterator[context.method];if(undefined===method){if(context.delegate=null,"throw"===context.method){if(delegate.iterator["return"]&&(context.method="return",context.arg=undefined,maybeInvokeDelegate(delegate,context),"throw"===context.method))return ContinueSentinel;context.method="throw",context.arg=new TypeError("The iterator does not provide a 'throw' method");}return ContinueSentinel;}var record=tryCatch(method,delegate.iterator,context.arg);if("throw"===record.type)return context.method="throw",context.arg=record.arg,context.delegate=null,ContinueSentinel;var info=record.arg;return info?info.done?(context[delegate.resultName]=info.value,context.next=delegate.nextLoc,"return"!==context.method&&(context.method="next",context.arg=undefined),context.delegate=null,ContinueSentinel):info:(context.method="throw",context.arg=new TypeError("iterator result is not an object"),context.delegate=null,ContinueSentinel);}function pushTryEntry(locs){var entry={tryLoc:locs[0]};1 in locs&&(entry.catchLoc=locs[1]),2 in locs&&(entry.finallyLoc=locs[2],entry.afterLoc=locs[3]),this.tryEntries.push(entry);}function resetTryEntry(entry){var record=entry.completion||{};record.type="normal",delete record.arg,entry.completion=record;}function Context(tryLocsList){this.tryEntries=[{tryLoc:"root"}],tryLocsList.forEach(pushTryEntry,this),this.reset(!0);}function values(iterable){if(iterable){var iteratorMethod=iterable[iteratorSymbol];if(iteratorMethod)return iteratorMethod.call(iterable);if("function"==typeof iterable.next)return iterable;if(!isNaN(iterable.length)){var i=-1,next=function next(){for(;++i<iterable.length;){if(hasOwn.call(iterable,i))return next.value=iterable[i],next.done=!1,next;}return next.value=undefined,next.done=!0,next;};return next.next=next;}}return{next:doneResult};}function doneResult(){return{value:undefined,done:!0};}return GeneratorFunction.prototype=GeneratorFunctionPrototype,define(Gp,"constructor",GeneratorFunctionPrototype),define(GeneratorFunctionPrototype,"constructor",GeneratorFunction),GeneratorFunction.displayName=define(GeneratorFunctionPrototype,toStringTagSymbol,"GeneratorFunction"),exports.isGeneratorFunction=function(genFun){var ctor="function"==typeof genFun&&genFun.constructor;return!!ctor&&(ctor===GeneratorFunction||"GeneratorFunction"===(ctor.displayName||ctor.name));},exports.mark=function(genFun){return Object.setPrototypeOf?Object.setPrototypeOf(genFun,GeneratorFunctionPrototype):(genFun.__proto__=GeneratorFunctionPrototype,define(genFun,toStringTagSymbol,"GeneratorFunction")),genFun.prototype=Object.create(Gp),genFun;},exports.awrap=function(arg){return{__await:arg};},defineIteratorMethods(AsyncIterator.prototype),define(AsyncIterator.prototype,asyncIteratorSymbol,function(){return this;}),exports.AsyncIterator=AsyncIterator,exports.async=function(innerFn,outerFn,self,tryLocsList,PromiseImpl){void 0===PromiseImpl&&(PromiseImpl=Promise);var iter=new AsyncIterator(wrap(innerFn,outerFn,self,tryLocsList),PromiseImpl);return exports.isGeneratorFunction(outerFn)?iter:iter.next().then(function(result){return result.done?result.value:iter.next();});},defineIteratorMethods(Gp),define(Gp,toStringTagSymbol,"Generator"),define(Gp,iteratorSymbol,function(){return this;}),define(Gp,"toString",function(){return"[object Generator]";}),exports.keys=function(object){var keys=[];for(var key in object){keys.push(key);}return keys.reverse(),function next(){for(;keys.length;){var key=keys.pop();if(key in object)return next.value=key,next.done=!1,next;}return next.done=!0,next;};},exports.values=values,Context.prototype={constructor:Context,reset:function reset(skipTempReset){if(this.prev=0,this.next=0,this.sent=this._sent=undefined,this.done=!1,this.delegate=null,this.method="next",this.arg=undefined,this.tryEntries.forEach(resetTryEntry),!skipTempReset)for(var name in this){"t"===name.charAt(0)&&hasOwn.call(this,name)&&!isNaN(+name.slice(1))&&(this[name]=undefined);}},stop:function stop(){this.done=!0;var rootRecord=this.tryEntries[0].completion;if("throw"===rootRecord.type)throw rootRecord.arg;return this.rval;},dispatchException:function dispatchException(exception){if(this.done)throw exception;var context=this;function handle(loc,caught){return record.type="throw",record.arg=exception,context.next=loc,caught&&(context.method="next",context.arg=undefined),!!caught;}for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i],record=entry.completion;if("root"===entry.tryLoc)return handle("end");if(entry.tryLoc<=this.prev){var hasCatch=hasOwn.call(entry,"catchLoc"),hasFinally=hasOwn.call(entry,"finallyLoc");if(hasCatch&&hasFinally){if(this.prev<entry.catchLoc)return handle(entry.catchLoc,!0);if(this.prev<entry.finallyLoc)return handle(entry.finallyLoc);}else if(hasCatch){if(this.prev<entry.catchLoc)return handle(entry.catchLoc,!0);}else{if(!hasFinally)throw new Error("try statement without catch or finally");if(this.prev<entry.finallyLoc)return handle(entry.finallyLoc);}}}},abrupt:function abrupt(type,arg){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.tryLoc<=this.prev&&hasOwn.call(entry,"finallyLoc")&&this.prev<entry.finallyLoc){var finallyEntry=entry;break;}}finallyEntry&&("break"===type||"continue"===type)&&finallyEntry.tryLoc<=arg&&arg<=finallyEntry.finallyLoc&&(finallyEntry=null);var record=finallyEntry?finallyEntry.completion:{};return record.type=type,record.arg=arg,finallyEntry?(this.method="next",this.next=finallyEntry.finallyLoc,ContinueSentinel):this.complete(record);},complete:function complete(record,afterLoc){if("throw"===record.type)throw record.arg;return"break"===record.type||"continue"===record.type?this.next=record.arg:"return"===record.type?(this.rval=this.arg=record.arg,this.method="return",this.next="end"):"normal"===record.type&&afterLoc&&(this.next=afterLoc),ContinueSentinel;},finish:function finish(finallyLoc){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.finallyLoc===finallyLoc)return this.complete(entry.completion,entry.afterLoc),resetTryEntry(entry),ContinueSentinel;}},"catch":function _catch(tryLoc){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.tryLoc===tryLoc){var record=entry.completion;if("throw"===record.type){var thrown=record.arg;resetTryEntry(entry);}return thrown;}}throw new Error("illegal catch attempt");},delegateYield:function delegateYield(iterable,resultName,nextLoc){return this.delegate={iterator:values(iterable),resultName:resultName,nextLoc:nextLoc},"next"===this.method&&(this.arg=undefined),ContinueSentinel;}},exports;}function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg);var value=info.value;}catch(error){reject(error);return;}if(info.done){resolve(value);}else{Promise.resolve(value).then(_next,_throw);}}function _asyncToGenerator(fn){return function(){var self=this,args=arguments;return new Promise(function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value);}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err);}_next(undefined);});};}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter(function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable;})),keys.push.apply(keys,symbols);}return keys;}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach(function(key){_defineProperty2(target,key,source[key]);}):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach(function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key));});}return target;}function _defineProperty2(obj,key,value){if(key in obj){Object.defineProperty(obj,key,{value:value,enumerable:true,configurable:true,writable:true});}else{obj[key]=value;}return obj;}function _createForOfIteratorHelper(o,allowArrayLike){var it=typeof Symbol!=="undefined"&&o[Symbol.iterator]||o["@@iterator"];if(!it){if(Array.isArray(o)||(it=_unsupportedIterableToArray(o))||allowArrayLike&&o&&typeof o.length==="number"){if(it)o=it;var i=0;var F=function F(){};return{s:F,n:function n(){if(i>=o.length)return{done:true};return{done:false,value:o[i++]};},e:function e(_e13){throw _e13;},f:F};}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}var normalCompletion=true,didErr=false,err;return{s:function s(){it=it.call(o);},n:function n(){var step=it.next();normalCompletion=step.done;return step;},e:function e(_e14){didErr=true;err=_e14;},f:function f(){try{if(!normalCompletion&&it["return"]!=null)it["return"]();}finally{if(didErr)throw err;}}};}function _slicedToArray(arr,i){return _arrayWithHoles(arr)||_iterableToArrayLimit(arr,i)||_unsupportedIterableToArray(arr,i)||_nonIterableRest();}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}function _iterableToArrayLimit(arr,i){var _i=arr==null?null:typeof Symbol!=="undefined"&&arr[Symbol.iterator]||arr["@@iterator"];if(_i==null)return;var _arr=[];var _n=true;var _d=false;var _s,_e;try{for(_i=_i.call(arr);!(_n=(_s=_i.next()).done);_n=true){_arr.push(_s.value);if(i&&_arr.length===i)break;}}catch(err){_d=true;_e=err;}finally{try{if(!_n&&_i["return"]!=null)_i["return"]();}finally{if(_d)throw _e;}}return _arr;}function _arrayWithHoles(arr){if(Array.isArray(arr))return arr;}function _toConsumableArray(arr){return _arrayWithoutHoles(arr)||_iterableToArray(arr)||_unsupportedIterableToArray(arr)||_nonIterableSpread();}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}function _unsupportedIterableToArray(o,minLen){if(!o)return;if(typeof o==="string")return _arrayLikeToArray(o,minLen);var n=Object.prototype.toString.call(o).slice(8,-1);if(n==="Object"&&o.constructor)n=o.constructor.name;if(n==="Map"||n==="Set")return Array.from(o);if(n==="Arguments"||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))return _arrayLikeToArray(o,minLen);}function _iterableToArray(iter){if(typeof Symbol!=="undefined"&&iter[Symbol.iterator]!=null||iter["@@iterator"]!=null)return Array.from(iter);}function _arrayWithoutHoles(arr){if(Array.isArray(arr))return _arrayLikeToArray(arr);}function _arrayLikeToArray(arr,len){if(len==null||len>arr.length)len=arr.length;for(var i=0,arr2=new Array(len);i<len;i++){arr2[i]=arr[i];}return arr2;}function _get(){if(typeof Reflect!=="undefined"&&Reflect.get){_get=Reflect.get.bind();}else{_get=function _get(target,property,receiver){var base=_superPropBase(target,property);if(!base)return;var desc=Object.getOwnPropertyDescriptor(base,property);if(desc.get){return desc.get.call(arguments.length<3?target:receiver);}return desc.value;};}return _get.apply(this,arguments);}function _superPropBase(object,property){while(!Object.prototype.hasOwnProperty.call(object,property)){object=_getPrototypeOf(object);if(object===null)break;}return object;}function _inherits(subClass,superClass){if(typeof superClass!=="function"&&superClass!==null){throw new TypeError("Super expression must either be null or a function");}subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,writable:true,configurable:true}});Object.defineProperty(subClass,"prototype",{writable:false});if(superClass)_setPrototypeOf(subClass,superClass);}function _setPrototypeOf(o,p){_setPrototypeOf=Object.setPrototypeOf?Object.setPrototypeOf.bind():function _setPrototypeOf(o,p){o.__proto__=p;return o;};return _setPrototypeOf(o,p);}function _createSuper(Derived){var hasNativeReflectConstruct=_isNativeReflectConstruct();return function _createSuperInternal(){var Super=_getPrototypeOf(Derived),result;if(hasNativeReflectConstruct){var NewTarget=_getPrototypeOf(this).constructor;result=Reflect.construct(Super,arguments,NewTarget);}else{result=Super.apply(this,arguments);}return _possibleConstructorReturn(this,result);};}function _possibleConstructorReturn(self,call){if(call&&(_typeof(call)==="object"||typeof call==="function")){return call;}else if(call!==void 0){throw new TypeError("Derived constructors may only return object or undefined");}return _assertThisInitialized(self);}function _assertThisInitialized(self){if(self===void 0){throw new ReferenceError("this hasn't been initialised - super() hasn't been called");}return self;}function _isNativeReflectConstruct(){if(typeof Reflect==="undefined"||!Reflect.construct)return false;if(Reflect.construct.sham)return false;if(typeof Proxy==="function")return true;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return true;}catch(e){return false;}}function _getPrototypeOf(o){_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf.bind():function _getPrototypeOf(o){return o.__proto__||Object.getPrototypeOf(o);};return _getPrototypeOf(o);}function _typeof(obj){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj;}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;},_typeof(obj);}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function");}}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor);}}function _createClass(Constructor,protoProps,staticProps){if(protoProps)_defineProperties(Constructor.prototype,protoProps);if(staticProps)_defineProperties(Constructor,staticProps);Object.defineProperty(Constructor,"prototype",{writable:false});return Constructor;}function _awaitAsyncGenerator(value){return new _AwaitValue(value);}function _wrapAsyncGenerator(fn){return function(){return new _AsyncGenerator(fn.apply(this,arguments));};}function _AsyncGenerator(gen){var front,back;function send(key,arg){return new Promise(function(resolve,reject){var request={key:key,arg:arg,resolve:resolve,reject:reject,next:null};if(back){back=back.next=request;}else{front=back=request;resume(key,arg);}});}function resume(key,arg){try{var result=gen[key](arg);var value=result.value;var wrappedAwait=value instanceof _AwaitValue;Promise.resolve(wrappedAwait?value.wrapped:value).then(function(arg){if(wrappedAwait){resume(key==="return"?"return":"next",arg);return;}settle(result.done?"return":"normal",arg);},function(err){resume("throw",err);});}catch(err){settle("throw",err);}}function settle(type,value){switch(type){case"return":front.resolve({value:value,done:true});break;case"throw":front.reject(value);break;default:front.resolve({value:value,done:false});break;}front=front.next;if(front){resume(front.key,front.arg);}else{back=null;}}this._invoke=send;if(typeof gen["return"]!=="function"){this["return"]=undefined;}}_AsyncGenerator.prototype[typeof Symbol==="function"&&Symbol.asyncIterator||"@@asyncIterator"]=function(){return this;};_AsyncGenerator.prototype.next=function(arg){return this._invoke("next",arg);};_AsyncGenerator.prototype["throw"]=function(arg){return this._invoke("throw",arg);};_AsyncGenerator.prototype["return"]=function(arg){return this._invoke("return",arg);};function _AwaitValue(value){this.wrapped=value;}function _asyncIterator(iterable){var method,async,sync,retry=2;for("undefined"!=typeof Symbol&&(async=Symbol.asyncIterator,sync=Symbol.iterator);retry--;){if(async&&null!=(method=iterable[async]))return method.call(iterable);if(sync&&null!=(method=iterable[sync]))return new AsyncFromSyncIterator(method.call(iterable));async="@@asyncIterator",sync="@@iterator";}throw new TypeError("Object is not async iterable");}function AsyncFromSyncIterator(s){function AsyncFromSyncIteratorContinuation(r){if(Object(r)!==r)return Promise.reject(new TypeError(r+" is not an object."));var done=r.done;return Promise.resolve(r.value).then(function(value){return{value:value,done:done};});}return AsyncFromSyncIterator=function AsyncFromSyncIterator(s){this.s=s,this.n=s.next;},AsyncFromSyncIterator.prototype={s:null,n:null,next:function next(){return AsyncFromSyncIteratorContinuation(this.n.apply(this.s,arguments));},"return":function _return(value){var ret=this.s["return"];return void 0===ret?Promise.resolve({value:value,done:!0}):AsyncFromSyncIteratorContinuation(ret.apply(this.s,arguments));},"throw":function _throw(value){var thr=this.s["return"];return void 0===thr?Promise.reject(value):AsyncFromSyncIteratorContinuation(thr.apply(this.s,arguments));}},new AsyncFromSyncIterator(s);}/** @private */var Map$1=/*#__PURE__*/function(){function Map$1(items,baseId){_classCallCheck(this,Map$1);this.items=items||[];this._lastUniqueId=(baseId||0)+1;}/**
      * Usage:
      *
      * id = myMap.addItem("foo") // ID internally generated
@@ -15383,7 +15383,7 @@ var _notNormalized3=false;state.flagsBuf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Flo
 //     const normalized = true; // For oct-encoded UInt8
 //     state.normalsBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, geometry.normalsCompressed, geometry.normalsCompressed.length, 3, gl.STATIC_DRAW, normalized);
 // }
-if(geometry.colorsCompressed&&geometry.colorsCompressed.length>0){var colorsCompressed=new Uint8Array(geometry.colorsCompressed);var _notNormalized5=false;state.colorsBuf=new ArrayBuf(gl,gl.ARRAY_BUFFER,colorsCompressed,colorsCompressed.length,4,gl.STATIC_DRAW,_notNormalized5);}if(geometry.uvCompressed&&geometry.uvCompressed.length>0){var uvCompressed=geometry.uvCompressed;state.uvDecodeMatrix=geometry.uvDecodeMatrix;state.uvBuf=new ArrayBuf(gl,gl.ARRAY_BUFFER,uvCompressed,uvCompressed.length,2,gl.STATIC_DRAW,false);}if(geometry.indices&&geometry.indices.length>0){state.indicesBuf=new ArrayBuf(gl,gl.ELEMENT_ARRAY_BUFFER,new Uint32Array(geometry.indices),geometry.indices.length,1,gl.STATIC_DRAW);state.numIndices=geometry.indices.length;}if(geometry.primitive==="triangles"||geometry.primitive==="solid"||geometry.primitive==="surface"){state.edgeIndicesBuf=new ArrayBuf(gl,gl.ELEMENT_ARRAY_BUFFER,new Uint32Array(geometry.edgeIndices),geometry.edgeIndices.length,1,gl.STATIC_DRAW);}if(this._modelMatrixCol0.length>0){var _normalized5=false;state.modelMatrixCol0Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,gl.STATIC_DRAW,_normalized5);state.modelMatrixCol1Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,gl.STATIC_DRAW,_normalized5);state.modelMatrixCol2Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,gl.STATIC_DRAW,_normalized5);this._modelMatrixCol0=[];this._modelMatrixCol1=[];this._modelMatrixCol2=[];if(state.normalsBuf){state.modelNormalMatrixCol0Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,gl.STATIC_DRAW,_normalized5);state.modelNormalMatrixCol1Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,gl.STATIC_DRAW,_normalized5);state.modelNormalMatrixCol2Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,gl.STATIC_DRAW,_normalized5);this._modelNormalMatrixCol0=[];this._modelNormalMatrixCol1=[];this._modelNormalMatrixCol2=[];}}if(this._pickColors.length>0){var _normalized6=false;state.pickColorsBuf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,gl.STATIC_DRAW,_normalized6);this._pickColors=[];// Release memory
+if(geometry.colorsCompressed&&geometry.colorsCompressed.length>0){var colorsCompressed=new Uint8Array(geometry.colorsCompressed);var _notNormalized5=false;state.colorsBuf=new ArrayBuf(gl,gl.ARRAY_BUFFER,colorsCompressed,colorsCompressed.length,4,gl.STATIC_DRAW,_notNormalized5);}if(geometry.uvCompressed&&geometry.uvCompressed.length>0){var uvCompressed=geometry.uvCompressed;state.uvDecodeMatrix=geometry.uvDecodeMatrix;state.uvBuf=new ArrayBuf(gl,gl.ARRAY_BUFFER,uvCompressed,uvCompressed.length,2,gl.STATIC_DRAW,false);}if(geometry.indices&&geometry.indices.length>0){state.indicesBuf=new ArrayBuf(gl,gl.ELEMENT_ARRAY_BUFFER,new Uint32Array(geometry.indices),geometry.indices.length,1,gl.STATIC_DRAW);state.numIndices=geometry.indices.length;}if(geometry.edgeIndices&&geometry.edgeIndices.length>0){state.edgeIndicesBuf=new ArrayBuf(gl,gl.ELEMENT_ARRAY_BUFFER,new Uint32Array(geometry.edgeIndices),geometry.edgeIndices.length,1,gl.STATIC_DRAW);}if(this._modelMatrixCol0.length>0){var _normalized5=false;state.modelMatrixCol0Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,gl.STATIC_DRAW,_normalized5);state.modelMatrixCol1Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,gl.STATIC_DRAW,_normalized5);state.modelMatrixCol2Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,gl.STATIC_DRAW,_normalized5);this._modelMatrixCol0=[];this._modelMatrixCol1=[];this._modelMatrixCol2=[];if(state.normalsBuf){state.modelNormalMatrixCol0Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,gl.STATIC_DRAW,_normalized5);state.modelNormalMatrixCol1Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,gl.STATIC_DRAW,_normalized5);state.modelNormalMatrixCol2Buf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,gl.STATIC_DRAW,_normalized5);this._modelNormalMatrixCol0=[];this._modelNormalMatrixCol1=[];this._modelNormalMatrixCol2=[];}}if(this._pickColors.length>0){var _normalized6=false;state.pickColorsBuf=new ArrayBuf(gl,gl.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,gl.STATIC_DRAW,_normalized6);this._pickColors=[];// Release memory
 }state.pbrSupported=!!state.metallicRoughnessBuf&&!!state.uvBuf&&!!state.normalsBuf&&!!textureSet&&!!textureSet.colorTexture&&!!textureSet.metallicRoughnessTexture;state.colorTextureSupported=!!state.uvBuf&&!!textureSet&&!!textureSet.colorTexture;if(!this.model.scene.readableGeometryEnabled){this._state.geometry=null;}this._finalized=true;}// The following setters are called by VBOSceneModelMesh, in turn called by VBOSceneModelNode, only after the layer is finalized.
 // It's important that these are called after finalize() in order to maintain integrity of counts like _numVisibleLayerPortions etc.
 },{key:"initFlags",value:function initFlags(portionId,flags,meshTransparent){if(flags&ENTITY_FLAGS.VISIBLE){this._numVisibleLayerPortions++;this.model.numVisibleLayerPortions++;}if(flags&ENTITY_FLAGS.HIGHLIGHTED){this._numHighlightedLayerPortions++;this.model.numHighlightedLayerPortions++;}if(flags&ENTITY_FLAGS.XRAYED){this._numXRayedLayerPortions++;this.model.numXRayedLayerPortions++;}if(flags&ENTITY_FLAGS.SELECTED){this._numSelectedLayerPortions++;this.model.numSelectedLayerPortions++;}if(flags&ENTITY_FLAGS.CLIPPABLE){this._numClippableLayerPortions++;this.model.numClippableLayerPortions++;}if(flags&ENTITY_FLAGS.EDGES){this._numEdgesLayerPortions++;this.model.numEdgesLayerPortions++;}if(flags&ENTITY_FLAGS.PICKABLE){this._numPickableLayerPortions++;this.model.numPickableLayerPortions++;}if(flags&ENTITY_FLAGS.CULLED){this._numCulledLayerPortions++;this.model.numCulledLayerPortions++;}if(meshTransparent){this._numTransparentLayerPortions++;this.model.numTransparentLayerPortions++;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setVisible",value:function setVisible(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.VISIBLE){this._numVisibleLayerPortions++;this.model.numVisibleLayerPortions++;}else{this._numVisibleLayerPortions--;this.model.numVisibleLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setHighlighted",value:function setHighlighted(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.HIGHLIGHTED){this._numHighlightedLayerPortions++;this.model.numHighlightedLayerPortions++;}else{this._numHighlightedLayerPortions--;this.model.numHighlightedLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setXRayed",value:function setXRayed(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.XRAYED){this._numXRayedLayerPortions++;this.model.numXRayedLayerPortions++;}else{this._numXRayedLayerPortions--;this.model.numXRayedLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setSelected",value:function setSelected(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.SELECTED){this._numSelectedLayerPortions++;this.model.numSelectedLayerPortions++;}else{this._numSelectedLayerPortions--;this.model.numSelectedLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setEdges",value:function setEdges(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.EDGES){this._numEdgesLayerPortions++;this.model.numEdgesLayerPortions++;}else{this._numEdgesLayerPortions--;this.model.numEdgesLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setClippable",value:function setClippable(portionId,flags){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.CLIPPABLE){this._numClippableLayerPortions++;this.model.numClippableLayerPortions++;}else{this._numClippableLayerPortions--;this.model.numClippableLayerPortions--;}this._setFlags(portionId,flags);}},{key:"setCollidable",value:function setCollidable(portionId,flags){if(!this._finalized){throw"Not finalized";}}},{key:"setPickable",value:function setPickable(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.PICKABLE){this._numPickableLayerPortions++;this.model.numPickableLayerPortions++;}else{this._numPickableLayerPortions--;this.model.numPickableLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setCulled",value:function setCulled(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.CULLED){this._numCulledLayerPortions++;this.model.numCulledLayerPortions++;}else{this._numCulledLayerPortions--;this.model.numCulledLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setColor",value:function setColor(portionId,color){// RGBA color is normalized as ints
@@ -22982,7 +22982,7 @@ this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos});if(this.pickRes
  * @private
  */var canvasPos=math.vec2();var getCanvasPosFromEvent$3=function getCanvasPosFromEvent$3(event,canvasPos){if(!event){event=window.event;canvasPos[0]=event.x;canvasPos[1]=event.y;}else{var element=event.target;var totalOffsetLeft=0;var totalOffsetTop=0;var totalScrollX=0;var totalScrollY=0;while(element.offsetParent){totalOffsetLeft+=element.offsetLeft;totalOffsetTop+=element.offsetTop;totalScrollX+=element.scrollLeft;totalScrollY+=element.scrollTop;element=element.offsetParent;}canvasPos[0]=event.pageX+totalScrollX-totalOffsetLeft;canvasPos[1]=event.pageY+totalScrollY-totalOffsetTop;}return canvasPos;};/**
  * @private
- */var MousePanRotateDollyHandler=/*#__PURE__*/function(){function MousePanRotateDollyHandler(scene,controllers,configs,states,updates){_classCallCheck(this,MousePanRotateDollyHandler);this._scene=scene;var pickController=controllers.pickController;var cameraControl=controllers.cameraControl;var lastX=0;var lastY=0;var lastXDown=0;var lastYDown=0;var mouseDownLeft;var mouseDownMiddle;var mouseDownRight;var mouseDownPicked=false;var pickedWorldPos=math.vec3();var mouseMovedOnCanvasSinceLastWheel=true;var canvas=this._scene.canvas.canvas;var keyDown=[];document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}var keyCode=e.keyCode;keyDown[keyCode]=true;});document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}var keyCode=e.keyCode;keyDown[keyCode]=false;});function setMousedownState(){var pick=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;canvas.style.cursor="move";setMousedownPositions();if(pick){setMousedownPick();}}function setMousedownPositions(){lastX=states.pointerCanvasPos[0];lastY=states.pointerCanvasPos[1];lastXDown=states.pointerCanvasPos[0];lastYDown=states.pointerCanvasPos[1];}function setMousedownPick(){pickController.pickCursorPos=states.pointerCanvasPos;pickController.schedulePickSurface=true;pickController.update();if(pickController.picked&&pickController.pickedSurface&&pickController.pickResult&&pickController.pickResult.worldPos){mouseDownPicked=true;pickedWorldPos.set(pickController.pickResult.worldPos);}else{mouseDownPicked=false;}}function isPanning(){return cameraControl._isKeyDownForAction(cameraControl.MOUSE_PAN,keyDown);}function isRotating(){return cameraControl._isKeyDownForAction(cameraControl.MOUSE_ROTATE,keyDown);}canvas.addEventListener("mousedown",this._mouseDownHandler=function(e){if(!(configs.active&&configs.pointerEnabled)){return;}switch(e.which){case 1:// Left button
+ */var MousePanRotateDollyHandler=/*#__PURE__*/function(){function MousePanRotateDollyHandler(scene,controllers,configs,states,updates){_classCallCheck(this,MousePanRotateDollyHandler);this._scene=scene;var pickController=controllers.pickController;var cameraControl=controllers.cameraControl;var lastX=0;var lastY=0;var lastXDown=0;var lastYDown=0;var mouseDownLeft;var mouseDownMiddle;var mouseDownRight;var mouseDownPicked=false;var pickedWorldPos=math.vec3();var mouseMovedOnCanvasSinceLastWheel=true;var canvas=this._scene.canvas.canvas;var keyDown=[];document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}var keyCode=e.keyCode;keyDown[keyCode]=true;});document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}var keyCode=e.keyCode;keyDown[keyCode]=false;});function setMousedownState(){var pick=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;setMousedownPositions();if(pick){setMousedownPick();}}function setMousedownPositions(){lastX=states.pointerCanvasPos[0];lastY=states.pointerCanvasPos[1];lastXDown=states.pointerCanvasPos[0];lastYDown=states.pointerCanvasPos[1];}function setMousedownPick(){pickController.pickCursorPos=states.pointerCanvasPos;pickController.schedulePickSurface=true;pickController.update();if(pickController.picked&&pickController.pickedSurface&&pickController.pickResult&&pickController.pickResult.worldPos){mouseDownPicked=true;pickedWorldPos.set(pickController.pickResult.worldPos);}else{mouseDownPicked=false;}}function isPanning(){return cameraControl._isKeyDownForAction(cameraControl.MOUSE_PAN,keyDown);}function isRotating(){return cameraControl._isKeyDownForAction(cameraControl.MOUSE_ROTATE,keyDown);}canvas.addEventListener("mousedown",this._mouseDownHandler=function(e){if(!(configs.active&&configs.pointerEnabled)){return;}switch(e.which){case 1:// Left button
 if(keyDown[scene.input.KEY_SHIFT]||configs.planView){mouseDownLeft=true;keyDown[scene.input.MOUSE_LEFT_BUTTON]=true;setMousedownState();}else{mouseDownLeft=true;keyDown[scene.input.MOUSE_LEFT_BUTTON]=true;setMousedownState(false);}break;case 2:// Middle/both buttons
 mouseDownMiddle=true;keyDown[scene.input.MOUSE_MIDDLE_BUTTON]=true;setMousedownState();break;case 3:// Right button
 mouseDownRight=true;keyDown[scene.input.MOUSE_RIGHT_BUTTON]=true;if(configs.panRightClick){setMousedownState();}break;}});document.addEventListener("mousemove",this._documentMouseMoveHandler=function(e){if(!(configs.active&&configs.pointerEnabled)){return;}if(!mouseDownLeft&&!mouseDownMiddle&&!mouseDownRight){return;}// Scaling drag-rotate to canvas boundary
@@ -23016,7 +23016,7 @@ if(pickedSubs||pickedNothingSubs||pickedSurfaceSubs){pickController.pickCursorPo
 pickController.pickCursorPos=states.pointerCanvasPos;pickController.schedulePickEntity=configs.doublePickFlyTo;pickController.schedulePickSurface=pickedSurfaceSubs;pickController.update();var firstClickPickResult=pickController.pickResult;var firstClickPickSurface=pickController.pickedSurface;_this113._timeout=setTimeout(function(){if(firstClickPickResult&&firstClickPickResult.worldPos){cameraControl.fire("picked",firstClickPickResult,true);if(firstClickPickSurface){cameraControl.fire("pickedSurface",firstClickPickResult,true);if(!configs.firstPerson&&configs.followPointer){controllers.pivotController.setPivotPos(firstClickPickResult.worldPos);if(controllers.pivotController.startPivot()){controllers.pivotController.showPivot();}}}}else{cameraControl.fire("pickedNothing",{canvasPos:states.pointerCanvasPos},true);}_this113._clicks=0;},configs.doubleClickTimeFrame);}else{// Second click
 if(_this113._timeout!==null){window.clearTimeout(_this113._timeout);_this113._timeout=null;}pickController.pickCursorPos=states.pointerCanvasPos;pickController.schedulePickEntity=configs.doublePickFlyTo||doublePickedSubs||doublePickedSurfaceSubs;pickController.schedulePickSurface=pickController.schedulePickEntity&&doublePickedSurfaceSubs;pickController.update();if(pickController.pickResult){cameraControl.fire("doublePicked",pickController.pickResult,true);if(pickController.pickedSurface){cameraControl.fire("doublePickedSurface",pickController.pickResult,true);}if(configs.doublePickFlyTo){flyCameraTo(pickController.pickResult);if(!configs.firstPerson&&configs.followPointer){var pickedEntityAABB=pickController.pickResult.entity.aabb;var pickedEntityCenterPos=math.getAABB3Center(pickedEntityAABB);controllers.pivotController.setPivotPos(pickedEntityCenterPos);if(controllers.pivotController.startPivot()){controllers.pivotController.showPivot();}}}}else{cameraControl.fire("doublePickedNothing",{canvasPos:states.pointerCanvasPos},true);if(configs.doublePickFlyTo){flyCameraTo();if(!configs.firstPerson&&configs.followPointer){var sceneAABB=scene.aabb;var sceneCenterPos=math.getAABB3Center(sceneAABB);controllers.pivotController.setPivotPos(sceneCenterPos);if(controllers.pivotController.startPivot()){controllers.pivotController.showPivot();}}}}_this113._clicks=0;}},false);}_createClass(MousePickHandler,[{key:"reset",value:function reset(){this._clicks=0;this._lastPickedEntityId=null;if(this._timeout){window.clearTimeout(this._timeout);this._timeout=null;}}},{key:"destroy",value:function destroy(){var canvas=this._scene.canvas.canvas;canvas.removeEventListener("mousemove",this._canvasMouseMoveHandler);canvas.removeEventListener("mousedown",this._canvasMouseDownHandler);document.removeEventListener("mouseup",this._documentMouseUpHandler);canvas.removeEventListener("mouseup",this._canvasMouseUpHandler);if(this._timeout){window.clearTimeout(this._timeout);this._timeout=null;}}}]);return MousePickHandler;}();/**
  * @private
- */var KeyboardPanRotateDollyHandler=/*#__PURE__*/function(){function KeyboardPanRotateDollyHandler(scene,controllers,configs,states,updates){_classCallCheck(this,KeyboardPanRotateDollyHandler);this._scene=scene;var input=scene.input;var keyDownMap=[];var canvas=scene.canvas.canvas;var mouseMovedSinceLastKeyboardDolly=true;this._onSceneMouseMove=input.on("mousemove",function(){mouseMovedSinceLastKeyboardDolly=true;});this._onSceneKeyDown=input.on("keydown",function(keyCode){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}if(configs.keyboardEnabledOnlyIfMouseover&&!states.mouseover){return;}keyDownMap[keyCode]=true;if(keyCode===input.KEY_SHIFT){canvas.style.cursor="move";}});this._onSceneKeyUp=input.on("keyup",function(keyCode){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}keyDownMap[keyCode]=false;if(keyCode===input.KEY_SHIFT){canvas.style.cursor=null;}if(controllers.pivotController.getPivoting()){controllers.pivotController.endPivot();}});this._onTick=scene.on("tick",function(e){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}if(configs.keyboardEnabledOnlyIfMouseover&&!states.mouseover){return;}var cameraControl=controllers.cameraControl;var elapsedSecs=e.deltaTime/1000.0;//-------------------------------------------------------------------------------------------------
+ */var KeyboardPanRotateDollyHandler=/*#__PURE__*/function(){function KeyboardPanRotateDollyHandler(scene,controllers,configs,states,updates){_classCallCheck(this,KeyboardPanRotateDollyHandler);this._scene=scene;var input=scene.input;var keyDownMap=[];scene.canvas.canvas;var mouseMovedSinceLastKeyboardDolly=true;this._onSceneMouseMove=input.on("mousemove",function(){mouseMovedSinceLastKeyboardDolly=true;});this._onSceneKeyDown=input.on("keydown",function(keyCode){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}if(configs.keyboardEnabledOnlyIfMouseover&&!states.mouseover){return;}keyDownMap[keyCode]=true;});this._onSceneKeyUp=input.on("keyup",function(keyCode){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}keyDownMap[keyCode]=false;if(controllers.pivotController.getPivoting()){controllers.pivotController.endPivot();}});this._onTick=scene.on("tick",function(e){if(!(configs.active&&configs.pointerEnabled)||!scene.input.keyboardEnabled){return;}if(configs.keyboardEnabledOnlyIfMouseover&&!states.mouseover){return;}var cameraControl=controllers.cameraControl;var elapsedSecs=e.deltaTime/1000.0;//-------------------------------------------------------------------------------------------------
 // Keyboard rotation
 //-------------------------------------------------------------------------------------------------
 if(!configs.planView){var rotateYPos=cameraControl._isKeyDownForAction(cameraControl.ROTATE_Y_POS,keyDownMap);var rotateYNeg=cameraControl._isKeyDownForAction(cameraControl.ROTATE_Y_NEG,keyDownMap);var rotateXPos=cameraControl._isKeyDownForAction(cameraControl.ROTATE_X_POS,keyDownMap);var rotateXNeg=cameraControl._isKeyDownForAction(cameraControl.ROTATE_X_NEG,keyDownMap);var orbitDelta=elapsedSecs*configs.keyboardRotationRate;if(rotateYPos||rotateYNeg||rotateXPos||rotateXNeg){if(!configs.firstPerson&&configs.followPointer){controllers.pivotController.startPivot();}if(rotateYPos){updates.rotateDeltaY+=orbitDelta;}else if(rotateYNeg){updates.rotateDeltaY-=orbitDelta;}if(rotateXPos){updates.rotateDeltaX+=orbitDelta;}else if(rotateXNeg){updates.rotateDeltaX-=orbitDelta;}if(!configs.firstPerson&&configs.followPointer){controllers.pivotController.startPivot();}}}//-------------------------------------------------------------------------------------------------
@@ -23028,7 +23028,7 @@ var EPSILON=0.001;var tempVec3$2=math.vec3();/**
  * Handles camera updates on each "tick" that were scheduled by the various controllers.
  *
  * @private
- */var CameraUpdater=/*#__PURE__*/function(){function CameraUpdater(scene,controllers,configs,states,updates){_classCallCheck(this,CameraUpdater);this._scene=scene;var camera=scene.camera;var pickController=controllers.pickController;var pivotController=controllers.pivotController;var panController=controllers.panController;var countDown=SCALE_DOLLY_EACH_FRAME;// Decrements on each tick
+ */var CameraUpdater=/*#__PURE__*/function(){function CameraUpdater(scene,controllers,configs,states,updates){_classCallCheck(this,CameraUpdater);this._scene=scene;var camera=scene.camera;var pickController=controllers.pickController;var pivotController=controllers.pivotController;var panController=controllers.panController;var cameraControl=controllers.cameraControl;var countDown=SCALE_DOLLY_EACH_FRAME;// Decrements on each tick
 var dollyDistFactor=1.0;// Calculated when countDown is zero
 var followPointerWorldPos=null;// Holds the pointer's World position when configs.followPointer is true
 this._onTick=scene.on("tick",function(){if(!(configs.active&&configs.pointerEnabled)){return;}var cursorType="default";//----------------------------------------------------------------------------------------------------------
@@ -23050,13 +23050,13 @@ if(Math.abs(updates.rotateDeltaX)<EPSILON){updates.rotateDeltaX=0;}if(Math.abs(u
 if(configs.followPointer){if(--countDown<=0){countDown=SCALE_DOLLY_EACH_FRAME;if(updates.dollyDelta!==0){if(updates.rotateDeltaY===0&&updates.rotateDeltaX===0){if(configs.followPointer&&states.followPointerDirty){pickController.pickCursorPos=states.pointerCanvasPos;pickController.schedulePickSurface=true;pickController.update();if(pickController.pickResult&&pickController.pickResult.worldPos){followPointerWorldPos=pickController.pickResult.worldPos;}else{dollyDistFactor=1.0;followPointerWorldPos=null;}states.followPointerDirty=false;}}if(followPointerWorldPos){var dist=Math.abs(math.lenVec3(math.subVec3(followPointerWorldPos,scene.camera.eye,tempVec3$2)));dollyDistFactor=dist/configs.dollyProximityThreshold;}if(dollyDistFactor<configs.dollyMinSpeed){dollyDistFactor=configs.dollyMinSpeed;}}}}else{dollyDistFactor=1;followPointerWorldPos=null;}var dollyDeltaForDist=updates.dollyDelta*dollyDistFactor;//----------------------------------------------------------------------------------------------------------
 // Rotation
 //----------------------------------------------------------------------------------------------------------
-if(updates.rotateDeltaY!==0||updates.rotateDeltaX!==0){if(!configs.firstPerson&&configs.followPointer&&pivotController.getPivoting()){pivotController.continuePivot(updates.rotateDeltaY,updates.rotateDeltaX);pivotController.showPivot();}else{if(updates.rotateDeltaX!==0){if(configs.firstPerson){camera.pitch(-updates.rotateDeltaX);}else{camera.orbitPitch(updates.rotateDeltaX);}}if(updates.rotateDeltaY!==0){if(configs.firstPerson){camera.yaw(updates.rotateDeltaY);}else{camera.orbitYaw(updates.rotateDeltaY);}}}updates.rotateDeltaX*=configs.rotationInertia;updates.rotateDeltaY*=configs.rotationInertia;cursorType="grabbing";}//----------------------------------------------------------------------------------------------------------
+if(updates.rotateDeltaY!==0||updates.rotateDeltaX!==0){if(!configs.firstPerson&&configs.followPointer&&pivotController.getPivoting()){pivotController.continuePivot(updates.rotateDeltaY,updates.rotateDeltaX);pivotController.showPivot();}else{if(updates.rotateDeltaX!==0){if(configs.firstPerson){camera.pitch(-updates.rotateDeltaX);}else{camera.orbitPitch(updates.rotateDeltaX);}}if(updates.rotateDeltaY!==0){if(configs.firstPerson){camera.yaw(updates.rotateDeltaY);}else{camera.orbitYaw(updates.rotateDeltaY);}}}updates.rotateDeltaX*=configs.rotationInertia;updates.rotateDeltaY*=configs.rotationInertia;cursorType=cameraControl._cursors.rotate;}//----------------------------------------------------------------------------------------------------------
 // Panning
 //----------------------------------------------------------------------------------------------------------
-if(Math.abs(updates.panDeltaX)<EPSILON){updates.panDeltaX=0;}if(Math.abs(updates.panDeltaY)<EPSILON){updates.panDeltaY=0;}if(Math.abs(updates.panDeltaZ)<EPSILON){updates.panDeltaZ=0;}if(updates.panDeltaX!==0||updates.panDeltaY!==0||updates.panDeltaZ!==0){var vec=math.vec3();vec[0]=updates.panDeltaX;vec[1]=updates.panDeltaY;vec[2]=updates.panDeltaZ;var verticalEye;var verticalLook;if(configs.constrainVertical){if(camera.xUp){verticalEye=camera.eye[0];verticalLook=camera.look[0];}else if(camera.yUp){verticalEye=camera.eye[1];verticalLook=camera.look[1];}else if(camera.zUp){verticalEye=camera.eye[2];verticalLook=camera.look[2];}camera.pan(vec);var eye=camera.eye;var look=camera.look;if(camera.xUp){eye[0]=verticalEye;look[0]=verticalLook;}else if(camera.yUp){eye[1]=verticalEye;look[1]=verticalLook;}else if(camera.zUp){eye[2]=verticalEye;look[2]=verticalLook;}camera.eye=eye;camera.look=look;}else{camera.pan(vec);}cursorType="grabbing";}updates.panDeltaX*=configs.panInertia;updates.panDeltaY*=configs.panInertia;updates.panDeltaZ*=configs.panInertia;//----------------------------------------------------------------------------------------------------------
+if(Math.abs(updates.panDeltaX)<EPSILON){updates.panDeltaX=0;}if(Math.abs(updates.panDeltaY)<EPSILON){updates.panDeltaY=0;}if(Math.abs(updates.panDeltaZ)<EPSILON){updates.panDeltaZ=0;}if(updates.panDeltaX!==0||updates.panDeltaY!==0||updates.panDeltaZ!==0){var vec=math.vec3();vec[0]=updates.panDeltaX;vec[1]=updates.panDeltaY;vec[2]=updates.panDeltaZ;var verticalEye;var verticalLook;if(configs.constrainVertical){if(camera.xUp){verticalEye=camera.eye[0];verticalLook=camera.look[0];}else if(camera.yUp){verticalEye=camera.eye[1];verticalLook=camera.look[1];}else if(camera.zUp){verticalEye=camera.eye[2];verticalLook=camera.look[2];}camera.pan(vec);var eye=camera.eye;var look=camera.look;if(camera.xUp){eye[0]=verticalEye;look[0]=verticalLook;}else if(camera.yUp){eye[1]=verticalEye;look[1]=verticalLook;}else if(camera.zUp){eye[2]=verticalEye;look[2]=verticalLook;}camera.eye=eye;camera.look=look;}else{camera.pan(vec);}cursorType=cameraControl._cursors.pan;}updates.panDeltaX*=configs.panInertia;updates.panDeltaY*=configs.panInertia;updates.panDeltaZ*=configs.panInertia;//----------------------------------------------------------------------------------------------------------
 // Dollying
 //----------------------------------------------------------------------------------------------------------
-if(dollyDeltaForDist!==0){if(dollyDeltaForDist<0){cursorType="zoom-in";}else{cursorType="zoom-out";}if(configs.firstPerson){var _verticalEye;var _verticalLook;if(configs.constrainVertical){if(camera.xUp){_verticalEye=camera.eye[0];_verticalLook=camera.look[0];}else if(camera.yUp){_verticalEye=camera.eye[1];_verticalLook=camera.look[1];}else if(camera.zUp){_verticalEye=camera.eye[2];_verticalLook=camera.look[2];}}if(configs.followPointer){var dolliedThroughSurface=panController.dollyToCanvasPos(followPointerWorldPos,states.pointerCanvasPos,-dollyDeltaForDist);if(dolliedThroughSurface){states.followPointerDirty=true;}}else{camera.pan([0,0,dollyDeltaForDist]);camera.ortho.scale=camera.ortho.scale-dollyDeltaForDist;}if(configs.constrainVertical){var _eye=camera.eye;var _look=camera.look;if(camera.xUp){_eye[0]=_verticalEye;_look[0]=_verticalLook;}else if(camera.yUp){_eye[1]=_verticalEye;_look[1]=_verticalLook;}else if(camera.zUp){_eye[2]=_verticalEye;_look[2]=_verticalLook;}camera.eye=_eye;camera.look=_look;}}else if(configs.planView){if(configs.followPointer){var _dolliedThroughSurface=panController.dollyToCanvasPos(followPointerWorldPos,states.pointerCanvasPos,-dollyDeltaForDist);if(_dolliedThroughSurface){states.followPointerDirty=true;}}else{camera.ortho.scale=camera.ortho.scale+dollyDeltaForDist;camera.zoom(dollyDeltaForDist);}}else{// Orbiting
+if(dollyDeltaForDist!==0){if(dollyDeltaForDist<0){cursorType=cameraControl._cursors.dollyForward;}else{cursorType=cameraControl._cursors.dollyBackward;}if(configs.firstPerson){var _verticalEye;var _verticalLook;if(configs.constrainVertical){if(camera.xUp){_verticalEye=camera.eye[0];_verticalLook=camera.look[0];}else if(camera.yUp){_verticalEye=camera.eye[1];_verticalLook=camera.look[1];}else if(camera.zUp){_verticalEye=camera.eye[2];_verticalLook=camera.look[2];}}if(configs.followPointer){var dolliedThroughSurface=panController.dollyToCanvasPos(followPointerWorldPos,states.pointerCanvasPos,-dollyDeltaForDist);if(dolliedThroughSurface){states.followPointerDirty=true;}}else{camera.pan([0,0,dollyDeltaForDist]);camera.ortho.scale=camera.ortho.scale-dollyDeltaForDist;}if(configs.constrainVertical){var _eye=camera.eye;var _look=camera.look;if(camera.xUp){_eye[0]=_verticalEye;_look[0]=_verticalLook;}else if(camera.yUp){_eye[1]=_verticalEye;_look[1]=_verticalLook;}else if(camera.zUp){_eye[2]=_verticalEye;_look[2]=_verticalLook;}camera.eye=_eye;camera.look=_look;}}else if(configs.planView){if(configs.followPointer){var _dolliedThroughSurface=panController.dollyToCanvasPos(followPointerWorldPos,states.pointerCanvasPos,-dollyDeltaForDist);if(_dolliedThroughSurface){states.followPointerDirty=true;}}else{camera.ortho.scale=camera.ortho.scale+dollyDeltaForDist;camera.zoom(dollyDeltaForDist);}}else{// Orbiting
 if(configs.followPointer){var _dolliedThroughSurface2=panController.dollyToCanvasPos(followPointerWorldPos,states.pointerCanvasPos,-dollyDeltaForDist);if(_dolliedThroughSurface2){states.followPointerDirty=true;}}else{camera.ortho.scale=camera.ortho.scale+dollyDeltaForDist;camera.zoom(dollyDeltaForDist);}}updates.dollyDelta*=configs.dollyInertia;}pickController.fireEvents();document.body.style.cursor=cursorType;});}_createClass(CameraUpdater,[{key:"destroy",value:function destroy(){this._scene.off(this._onTick);}}]);return CameraUpdater;}();/**
  * @private
  */var MouseMiscHandler=/*#__PURE__*/function(){function MouseMiscHandler(scene,controllers,configs,states,updates){_classCallCheck(this,MouseMiscHandler);this._scene=scene;var canvas=this._scene.canvas.canvas;canvas.addEventListener("mouseenter",this._mouseEnterHandler=function(){states.mouseover=true;});canvas.addEventListener("mouseleave",this._mouseLeaveHandler=function(){states.mouseover=false;canvas.style.cursor=null;});document.addEventListener("mousemove",this._mouseMoveHandler=function(e){getCanvasPosFromEvent$2(e,canvas,states.pointerCanvasPos);});canvas.addEventListener("mousedown",this._mouseDownHandler=function(e){if(!(configs.active&&configs.pointerEnabled)){return;}getCanvasPosFromEvent$2(e,canvas,states.pointerCanvasPos);states.mouseover=true;});canvas.addEventListener("mouseup",this._mouseUpHandler=function(e){if(!(configs.active&&configs.pointerEnabled)){return;}});}_createClass(MouseMiscHandler,[{key:"reset",value:function reset(){}},{key:"destroy",value:function destroy(){var canvas=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler);canvas.removeEventListener("mouseenter",this._mouseEnterHandler);canvas.removeEventListener("mouseleave",this._mouseLeaveHandler);canvas.removeEventListener("mousedown",this._mouseDownHandler);canvas.removeEventListener("mouseup",this._mouseUpHandler);}}]);return MouseMiscHandler;}();function getCanvasPosFromEvent$2(event,canvas,canvasPos){if(!event){event=window.event;canvasPos[0]=event.x;canvasPos[1]=event.y;}else{var _canvas$getBoundingCl=canvas.getBoundingClientRect(),left=_canvas$getBoundingCl.left,top=_canvas$getBoundingCl.top;canvasPos[0]=event.clientX-left;canvasPos[1]=event.clientY-top;}return canvasPos;}var getCanvasPosFromEvent$1=function getCanvasPosFromEvent$1(event,canvasPos){if(!event){event=window.event;canvasPos[0]=event.x;canvasPos[1]=event.y;}else{var element=event.target;var totalOffsetLeft=0;var totalOffsetTop=0;while(element.offsetParent){totalOffsetLeft+=element.offsetLeft;totalOffsetTop+=element.offsetTop;element=element.offsetParent;}canvasPos[0]=event.pageX-totalOffsetLeft;canvasPos[1]=event.pageY-totalOffsetTop;}return canvasPos;};/**
@@ -23727,7 +23727,7 @@ keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:0.2,dollyInertia:0,d
 _this114._states={pointerCanvasPos:math.vec2(),mouseover:false,followPointerDirty:true,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:math.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null};// Updates for CameraUpdater to process on next Scene "tick" event
 _this114._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};// Controllers to assist input event handlers with controlling the Camera
 var scene=_this114.scene;_this114._controllers={cameraControl:_assertThisInitialized(_this114),pickController:new PickController(_assertThisInitialized(_this114),_this114._configs),pivotController:new PivotController(scene,_this114._configs),panController:new PanController(scene),cameraFlight:new CameraFlightAnimation(_assertThisInitialized(_this114),{duration:0.5})};// Input event handlers
-_this114._handlers=[new MouseMiscHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new TouchPanRotateAndDollyHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new MousePanRotateDollyHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new KeyboardAxisViewHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new MousePickHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new TouchPickHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new KeyboardPanRotateDollyHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates)];// Applies scheduled updates to the Camera on each Scene "tick" event
+_this114._handlers=[new MouseMiscHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new TouchPanRotateAndDollyHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new MousePanRotateDollyHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new KeyboardAxisViewHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new MousePickHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new TouchPickHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates),new KeyboardPanRotateDollyHandler(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates)];_this114._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:'grabbing',pan:'move'};// Applies scheduled updates to the Camera on each Scene "tick" event
 _this114._cameraUpdater=new CameraUpdater(_this114.scene,_this114._controllers,_this114._configs,_this114._states,_this114._updates);// Set initial user configurations
 _this114.navMode=cfg.navMode;if(cfg.planView){_this114.planView=cfg.planView;}_this114.constrainVertical=cfg.constrainVertical;if(cfg.keyboardLayout){_this114.keyboardLayout=cfg.keyboardLayout;// Deprecated
 }else{_this114.keyMap=cfg.keyMap;}_this114.doublePickFlyTo=cfg.doublePickFlyTo;_this114.panRightClick=cfg.panRightClick;_this114.active=cfg.active;_this114.followPointer=cfg.followPointer;_this114.rotationInertia=cfg.rotationInertia;_this114.keyboardPanRate=cfg.keyboardPanRate;_this114.touchPanRate=cfg.touchPanRate;_this114.keyboardRotationRate=cfg.keyboardRotationRate;_this114.dragRotationRate=cfg.dragRotationRate;_this114.touchDollyRate=cfg.touchDollyRate;_this114.dollyInertia=cfg.dollyInertia;_this114.dollyProximityThreshold=cfg.dollyProximityThreshold;_this114.dollyMinSpeed=cfg.dollyMinSpeed;_this114.panInertia=cfg.panInertia;_this114.pointerEnabled=true;_this114.keyboardDollyRate=cfg.keyboardDollyRate;_this114.mouseWheelDollyRate=cfg.mouseWheelDollyRate;return _this114;}/**
@@ -23852,7 +23852,24 @@ case"qwerty":keyMap[this.PAN_LEFT]=[input.KEY_A];keyMap[this.PAN_RIGHT]=[input.K
      * See class comments for more info.
      *
      * @param {Boolean} value Set ````true```` to enable the Camera to follow the pointer.
-     */,set:function set(value){this._reset();this._configs.pointerEnabled=!!value;}},{key:"_reset",value:function _reset(){for(var _i486=0,len=this._handlers.length;_i486<len;_i486++){var handler=this._handlers[_i486];if(handler.reset){handler.reset();}}this._updates.panDeltaX=0;this._updates.panDeltaY=0;this._updates.rotateDeltaX=0;this._updates.rotateDeltaY=0;this._updates.dolyDelta=0;}},{key:"followPointer",get:/**
+     */,set:function set(value){this._reset();this._configs.pointerEnabled=!!value;}/**
+     * Sets the cursor to be used when a particular action is being performed.
+     *
+     * Accepted actions are:
+     * 
+     * * "dollyForward" - when the camera is dollying in the forward direction
+     * * "dollyBackward" - when the camera is dollying in the backward direction
+     * * "pan" - when the camera is being panned
+     * * "rotate" - when the camera is being rotated
+     *
+     * @param {String} action
+     * @param {String} style
+     */},{key:"setCursorStyle",value:function setCursorStyle(action,style){if(Object.prototype.hasOwnProperty.call(this._cursors,action)){this._cursors=_objectSpread(_objectSpread({},this._cursors),{},_defineProperty2({},action,style));}else console.warn("Action '".concat(action,"' is not valid for cursor styles."));}/**
+     * Gets the current style for a particular action.
+     *
+     * @param {String} action To get the style for
+     * @returns {String} style set on the cursor for action
+     */},{key:"getCursorStyle",value:function getCursorStyle(action){return this._cursors[action]||null;}},{key:"_reset",value:function _reset(){for(var _i486=0,len=this._handlers.length;_i486<len;_i486++){var handler=this._handlers[_i486];if(handler.reset){handler.reset();}}this._updates.panDeltaX=0;this._updates.panDeltaY=0;this._updates.rotateDeltaX=0;this._updates.rotateDeltaY=0;this._updates.dolyDelta=0;}},{key:"followPointer",get:/**
      * Sets whether the {@link Camera} follows the mouse/touch pointer.
      *
      * In orbiting mode, the Camera will orbit about the pointer, and will dolly to and from the pointer.
diff --git a/dist/xeokit-sdk.min.cjs.js b/dist/xeokit-sdk.min.cjs.js
index 2e5b4ecd3..a24bcef8d 100644
--- a/dist/xeokit-sdk.min.cjs.js
+++ b/dist/xeokit-sdk.min.cjs.js
@@ -1,4 +1,4 @@
-"use strict";Object.defineProperty(exports,"__esModule",{value:!0});class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}let o=!0,n=o?Float64Array:Float32Array;const a=new n(3),l=new n(16),A=new n(16),h=new n(4),c={setDoublePrecisionEnabled(e){o=e,n=o?Float64Array:Float32Array},getDoublePrecisionEnabled:()=>o,MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId(e,t){const i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:(e,t)=>e+"#"+t,safeInv(e){const t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:e=>new n(e||2),vec3:e=>new n(e||3),vec4:e=>new n(e||4),mat3:e=>new n(e||9),mat3ToMat4:(e,t=new n(16))=>(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t),mat4:e=>new n(e||16),mat4ToMat3(e,t){},doublesToFloats(e,t,i){const s=new n(2);for(let r=0,o=e.length;r<o;r++)c.splitDouble(e[r],s),t[r]=s[0],i[r]=s[1]},splitDouble(e,t){const i=n.from([e])[0],s=e-i;t[0]=i,t[1]=s},createUUID:(()=>{const e=[];for(let t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return()=>{const 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s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],x=t[3],B=t[4],w=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+x*f,i[1]=v*r+b*l+y*u+x*g,i[2]=v*o+b*A+y*d+x*m,i[3]=v*n+b*h+y*p+x*_,i[4]=B*s+w*a+P*c+C*f,i[5]=B*r+w*l+P*u+C*g,i[6]=B*o+w*A+P*d+C*m,i[7]=B*n+w*h+P*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new n(9));const s=e[0],r=e[3],o=e[6],a=e[1],l=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=a*d+l*g+A*v,i[4]=a*p+l*m+A*b,i[7]=a*f+l*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=c.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,x=s*A-o*a,B=r*A-o*l,w=h*f-c*p,P=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-x*P+B*w);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*B-g*x+m*y)*I,t[3]=(-c*B+u*x-d*y)*I,t[4]=(-n*F+l*C-A*P)*I,t[5]=(i*F-r*C+o*P)*I,t[6]=(-p*B+g*b-m*v)*I,t[7]=(h*B-u*b+d*v)*I,t[8]=(n*E-a*C+A*w)*I,t[9]=(-i*E+s*C-o*w)*I,t[10]=(p*x-f*b+m*_)*I,t[11]=(-h*x+c*b-d*_)*I,t[12]=(-n*M+a*P-l*w)*I,t[13]=(i*M-s*P+r*w)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||c.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||c.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new 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i[0]=1-(p+g),i[1]=u+v,i[2]=d-_,i[3]=0,i[4]=u-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=d+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=c.vec4()){const s=c.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],u=e[6],d=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,d),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(u,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,d),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(-h,d),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(u,d),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,d))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(u,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,d),i[1]=0)),i},composeMat4:(e,t,i,s=c.mat4())=>(c.quaternionToRotationMat4(t,s),c.scaleMat4v(i,s),c.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new n(3),t=new n(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=c.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=c.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=c.lenVec3(e);c.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,u=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=u,t[9]*=u,t[10]*=u,c.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=c.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],u=t[1],d=t[2];if(r===h&&o===u&&n===d)return c.identityMat4();let p,f,g,m,_,v,b,y,x,B;return p=r-h,f=o-u,g=n-d,B=1/Math.sqrt(p*p+f*f+g*g),p*=B,f*=B,g*=B,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,B=Math.sqrt(m*m+_*_+v*v),B?(B=1/B,m*=B,_*=B,v*=B):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,x=p*_-f*m,B=Math.sqrt(b*b+y*y+x*x),B?(B=1/B,b*=B,y*=B,x*=B):(b=0,y=0,x=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=x,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+x*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>c.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=c.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];c.addVec4(r,s,l),c.subVec4(r,s,A);const o=2*s[2],n=A[0],a=A[1],h=A[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=l[0]/n,i[9]=l[1]/a,i[10]=-l[2]/h,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/h,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],c.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=c.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=c.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],x=e[13],B=e[14],w=e[15];let P;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],P=s[e]||(s[e]=[0,0,0]),P[0]=A*o+d*n+m*a+y,P[1]=h*o+p*n+_*a+x,P[2]=c*o+f*n+v*a+B,P[3]=u*o+g*n+b*a+w;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],x=e[14],B=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+x,i[s+3]=c*o+f*n+v*a+B;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||c.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0],o[1]=r[1]*Math.cos(i)-r[2]*Math.sin(i),o[2]=r[1]*Math.sin(i)+r[2]*Math.cos(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Y(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[2]*Math.sin(i)+r[0]*Math.cos(i),o[1]=r[1],o[2]=r[2]*Math.cos(i)-r[0]*Math.sin(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Z(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0]*Math.cos(i)-r[1]*Math.sin(i),o[1]=r[0]*Math.sin(i)+r[1]*Math.cos(i),o[2]=r[2],s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},projectVec4(e,t){const i=1/e[3];return(t=t||c.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(()=>{const e=new n(16),t=new n(16),i=new n(16);return function(s,r,o,n){return this.transformVec3(this.mulMat4(this.inverseMat4(r,e),this.inverseMat4(o,t),i),s,n)}})(),lerpVec3(e,t,i,s,r,o){const n=o||c.vec3(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n},lerpMat4(e,t,i,s,r,o){const n=o||c.mat4(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n[3]=s[3]+a*(r[3]-s[3]),n[4]=s[4]+a*(r[4]-s[4]),n[5]=s[5]+a*(r[5]-s[5]),n[6]=s[6]+a*(r[6]-s[6]),n[7]=s[7]+a*(r[7]-s[7]),n[8]=s[8]+a*(r[8]-s[8]),n[9]=s[9]+a*(r[9]-s[9]),n[10]=s[10]+a*(r[10]-s[10]),n[11]=s[11]+a*(r[11]-s[11]),n[12]=s[12]+a*(r[12]-s[12]),n[13]=s[13]+a*(r[13]-s[13]),n[14]=s[14]+a*(r[14]-s[14]),n[15]=s[15]+a*(r[15]-s[15]),n},flatten(e){const t=[];let i,s,r,o,n;for(i=0,s=e.length;i<s;i++)for(n=e[i],r=0,o=n.length;r<o;r++)t.push(n[r]);return t},identityQuaternion:(e=c.vec4())=>(e[0]=0,e[1]=0,e[2]=0,e[3]=1,e),eulerToQuaternion(e,t,i=c.vec4()){const 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e)e.hasOwnProperty(n)&&(i=e[n],s=v[n],s||(s=v[n]={}),r=i.ticksPerOcclusionTest,s.ticksPerOcclusionTest!==r&&(s.ticksPerOcclusionTest=r,s.renderCountdown=r),--i.occlusionTestCountdown<=0&&(i.doOcclusionTest(),i.occlusionTestCountdown=r),o=i.ticksPerRender,s.ticksPerRender!==o&&(s.ticksPerRender=o,s.renderCountdown=o),0==--s.renderCountdown&&(i.render(t),s.renderCountdown=o))}(),void 0!==window.requestPostAnimationFrame?window.requestPostAnimationFrame(E):requestAnimationFrame(F)};function I(e){const t=M.runTasks(e+10),i=M.getNumTasks();p.frame.tasksRun=t,p.frame.tasksScheduled=i,p.frame.tasksBudget=10}F();class D{get type(){return"Component"}get isComponent(){return!0}constructor(e=null,t={}){if(this.scene=null,"Scene"===this.type)this.scene=this,this.viewer=t.viewer;else{if("Scene"===e.type)this.scene=e;else{if(!(e instanceof D))throw"Invalid param: owner must be a Component";this.scene=e.scene}this._owner=e}this._dontClear=!!t.dontClear,this._renderer=this.scene._renderer,this.meta=t.meta||{},this.id=t.id,this.destroyed=!1,this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this!==this.scene&&this.scene._addComponent(this),this._updateScheduled=!1,e&&e._own(this)}glRedraw(){this._renderer&&(this._renderer.imageDirty(),this.castsShadow&&this._renderer.shadowsDirty())}glResort(){this._renderer&&this._renderer.needStateSort()}get owner(){return this._owner}isType(e){return this.type===e}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return 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r=e.onAttached;if(r&&(_.isFunction(r)?r(i):r.scope?r.callback.call(r.scope,i):r.callback(i)),n){let e,t,r,o;for(e in n)if(n.hasOwnProperty(e)){if(t=n[e],_.isFunction(t)?(r=t,o=null):(r=t.callback,o=t.scope),!r)continue;s.subs.push(i.on(e,r,o))}}}return a&&this.fire("dirty",this),this.fire(t,i),i}_checkComponent(e,t){if(!t.isComponent){if(!_.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}_checkComponent2(e,t){if(!t.isComponent){if(!_.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(t.scene.id===this.scene.id){for(var i=0,s=e.length;i<s;i++)if(e[i]===t.type)return t;return this.error("Expected component types: 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this._attachments)if(this._attachments.hasOwnProperty(e)){for(t=this._attachments[e],i=t.component,s=t.subs,r=0,o=s.length;r<o;r++)i.off(s[r]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&(i=this._ownedComponents[e],i.destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}const S=c.vec3(),T=c.vec3(),R=c.mat4();class L{constructor(){this.normal=c.vec3(),this.offset=0,this.testVertex=c.vec3()}set(e,t,i,s){const r=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*r,this.normal[1]=t*r,this.normal[2]=i*r,this.offset=s*r,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}class U{constructor(){this.planes=[new L,new L,new L,new L,new L,new L]}}function O(e,t,i){const s=c.mulMat4(i,t,R),r=s[0],o=s[1],n=s[2],a=s[3],l=s[4],A=s[5],h=s[6],u=s[7],d=s[8],p=s[9],f=s[10],g=s[11],m=s[12],_=s[13],v=s[14],b=s[15];e.planes[0].set(a-r,u-l,g-d,b-m),e.planes[1].set(a+r,u+l,g+d,b+m),e.planes[2].set(a-o,u-A,g-p,b-_),e.planes[3].set(a+o,u+A,g+p,b+_),e.planes[4].set(a-n,u-h,g-f,b-v),e.planes[5].set(a+n,u+h,g+f,b+v)}function k(e,t){let i=U.INSIDE;const s=S,r=T;s[0]=t[0],s[1]=t[1],s[2]=t[2],r[0]=t[3],r[1]=t[4],r[2]=t[5];const o=[s,r];for(let t=0;t<6;++t){const s=e.planes[t];if(s.normal[0]*o[s.testVertex[0]][0]+s.normal[1]*o[s.testVertex[1]][1]+s.normal[2]*o[s.testVertex[2]][2]+s.offset<0)return U.OUTSIDE;s.normal[0]*o[1-s.testVertex[0]][0]+s.normal[1]*o[1-s.testVertex[1]][1]+s.normal[2]*o[1-s.testVertex[2]][2]+s.offset<0&&(i=U.INTERSECT)}return i}U.INSIDE=0,U.INTERSECT=1,U.OUTSIDE=2;class N extends D{constructor(e={}){if(!e.viewer)throw"[MarqueePicker] Missing config: viewer";if(!e.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";super(e.viewer.scene,e),this.viewer=e.viewer,this._objectsKdTree3=e.objectsKdTree3,this._canvasMarqueeCorner1=c.vec2(),this._canvasMarqueeCorner2=c.vec2(),this._canvasMarquee=c.AABB2(),this._marqueeFrustum=new U,this._marqueeFrustumProjMat=c.mat4(),this._pickMode=!1,this._marqueeElement=document.createElement("div"),document.body.appendChild(this._marqueeElement),this._marqueeElement.style.position="absolute",this._marqueeElement.style["z-index"]="40000005",this._marqueeElement.style.width="8px",this._marqueeElement.style.height="8px",this._marqueeElement.style.visibility="hidden",this._marqueeElement.style.top="0px",this._marqueeElement.style.left="0px",this._marqueeElement.style["box-shadow"]="0 2px 5px 0 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stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=U.INTERSECT)=>{if(s===U.INTERSECT&&(s=k(this._marqueeFrustum,i.aabb)),s!==U.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===N.PICK_MODE_INSIDE){k(this._marqueeFrustum,r)===U.INSIDE&&e.push(s.id)}else{k(this._marqueeFrustum,r)!==U.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,u=-(this._canvasMarquee[1]-r)*n+1,d=this.viewer.scene.camera.frustum.near*(17*a);c.frustumMat4(l,A,h*a,u*a,d,1e4,this._marqueeFrustumProjMat),O(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}N.PICK_MODE_INTERSECTS=0,N.PICK_MODE_INSIDE=1;class Q{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class V{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){M.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const H={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i}};class j{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var s=this._dotClickable.style;s.left=Math.round(e)-9+"px",s.top=Math.round(t)-9+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}const G=c.vec3(),z=c.vec4(),W=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,c.transformVec4(s,t,i),c.setMat4Translation(s,i,o),o.slice()}}();function K(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function X(e,t,i,s=1e3){const r=c.getPositionsCenter(e,G),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function J(e,t,i,s,r){const o=r?(z.set(i,0),z[3]=1,c.mulMat4v4(r,z,z)):i,n=c.dotVec3(t,o)+e,a=c.normalizeVec3(t,G);return c.mulVec3Scalar(a,-n,s),s}const Y=1,Z=4,q=8,$=16,ee=32,te=256,ie=512,se=1024,re=2048,oe=new Float32Array([0,0,0]),ne=new Uint16Array([0,0,0]);c.OBB3();class ae{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=c.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=c.AABB3(),this._aabbDirty=!0,this._offset=c.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)c.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(Y)}set visible(e){if(!!(this._flags&Y)!==e){this._flags=e?this._flags|Y:this._flags&~Y;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(ie)}set highlighted(e){if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(te)}set xrayed(e){if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(se)}set selected(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(re)}set edges(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Z)!==e){this._flags=e?this._flags|Z:this._flags&~Z;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag($)}set clippable(e){if(!!(this._flags&$)!==e){this._flags=e?this._flags|$:this._flags&~$;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(ee)}set collidable(e){if(!!(this._flags&ee)!==e){this._flags=e?this._flags|ee:this._flags&~ee;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(q)}set pickable(e){if(!!(this._flags&q)!==e){this._flags=e?this._flags|q:this._flags&~q;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return oe[0]=e[0]/255,oe[1]=e[1]/255,oe[2]=e[2]/255,oe}set colorize(e){if(e){ne[0]=Math.floor(255*e[0]),ne[1]=Math.floor(255*e[1]),ne[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(ne)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const le=c.vec4(),Ae=c.vec4();class he extends D{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._viewPos=c.vec3(),this._canvasPos=c.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(c.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){le.set(this._viewPos),le[3]=1,c.transformPoint4(this.scene.camera.projMatrix,le,Ae);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+Ae[0]/Ae[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-Ae[1]/Ae[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof ae?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),K(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),super.destroy()}}const ce=()=>{};function ue(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}class de extends he{constructor(e,t,i,s={}){super(e,t);const r=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new j(i,{fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:r(s.onMouseOver,"mouseover"),onMouseLeave:r(s.onMouseLeave,"mouseleave"),onMouseWheel:r(s.onMouseWheel,"wheel"),onMouseDown:r(s.onMouseDown,"mousedown"),onMouseUp:r(s.onMouseUp,"mouseup"),onMouseMove:r(s.onMouseMove,"mousemove"),onTouchstart:r(s.onTouchstart,"touchstart"),onTouchmove:r(s.onTouchmove,"touchmove"),onTouchend:r(s.onTouchend,"touchend"),onContextMenu:r(s.onContextMenu,"contextmenu")});const o=()=>{const t=this.canvasPos.slice();ue(e.canvas.canvas,i,t),this._dot.setPos(t[0],t[1])};this.on("worldPos",o);const n=e.camera.on("viewMatrix",o),a=e.camera.on("projMatrix",o);this._cleanup=()=>{e.camera.off(n),e.camera.off(a),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setCulled(e){this._dot.setCulled(e)}setFillColor(e){this._dot.setFillColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this._dot.setVisible(e)}destroy(){this._cleanup(),super.destroy()}}function pe(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",ce),l=i("onMove",ce),A=i("onEnd",ce),h=s.scene,u=h.canvas.canvas,d=e=>{const t=c.vec2([e.clientX,e.clientY]);ue(u.ownerDocument.documentElement,u,t),l(t,(e=>{const t=c.vec3(),i=c.vec3();return c.canvasPosToWorldRay(u,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&d(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),d(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(u.addEventListener("mousemove",f),u.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{u.removeEventListener("mousemove",f),u.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function fe(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",ce),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return pe(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}const ge=function(e,t,i){return function(s,r,o){const n=e.scene,a=n.canvas.canvas,l=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,ue(a.ownerDocument.documentElement,a,t),t),A=e=>{const t=c.vec3(),s=c.vec3();return c.canvasPosToWorldRay(a,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,t,s),i(t,s)};let h=null;const u=()=>{};let d,p=u;const f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=u,d=null},g=function(){f(),a.removeEventListener("touchstart",m),a.removeEventListener("touchmove",_),a.removeEventListener("touchend",v)},m=function(i){const o=i.touches;if(1!==o.length)f(),s();else{const i=o[0],s=l(i,c.vec2());A(s)&&(d=i.identifier,p=e=>{c.distVec2(s,e)>20&&f()},h=setTimeout((function(){t.start(s),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=e=>{r(e,A(e))},p(s)}),300)}),250))}};a.addEventListener("touchstart",m,{passive:!0});const _=function(e){const t=[...e.changedTouches].find((e=>e.identifier===d));t&&p(l(t,c.vec2()))};a.addEventListener("touchmove",_,{passive:!0});const v=function(e){const t=[...e.changedTouches].find((e=>e.identifier===d));if(t){g();const e=l(t,c.vec2());o(e,A(e))}};return a.addEventListener("touchend",v,{passive:!0}),g}};class me{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]="rotate("+t+"deg)",s["-moz-transform"]="rotate("+t+"deg)",s["-ms-transform"]="rotate("+t+"deg)",s["-o-transform"]="rotate("+t+"deg)",s.transform="rotate("+t+"deg)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}class _e{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(i.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),i.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):i.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}var ve=c.vec3(),be=c.vec3();class ye extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._color=t.color||e.defaultColor;var i=this.plugin.viewer.scene;this._originWorld=c.vec3(),this._cornerWorld=c.vec3(),this._targetWorld=c.vec3(),this._wp=new Float64Array(12),this._vp=new Float64Array(12),this._pp=new Float64Array(12),this._cp=new Int16Array(6);const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},l=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};this._originDot=new de(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._cornerDot=new de(i,t.corner,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetDot=new de(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._originWire=new me(this._container,{color:this._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetWire=new me(this._container,{color:this._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._angleLabel=new _e(this._container,{fillColor:this._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._visible=!1,this._originVisible=!1,this._cornerVisible=!1,this._targetVisible=!1,this._originWireVisible=!1,this._targetWireVisible=!1,this._angleVisible=!1,this._labelsVisible=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._cornerDot.on("worldPos",(e=>{this._cornerWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.cornerVisible=t.cornerVisible,this.targetVisible=t.targetVisible,this.originWireVisible=t.originWireVisible,this.targetWireVisible=t.targetWireVisible,this.angleVisible=t.angleVisible,this.labelsVisible=t.labelsVisible}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(c.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){const d=-.3,p=this._originDot.viewPos[2],f=this._cornerDot.viewPos[2],g=this._targetDot.viewPos[2];if(p>d||f>d||g>d)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);c.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var t=this._pp,i=this._cp,s=e.canvas.canvas.getBoundingClientRect();const m=this._container.getBoundingClientRect();for(var r=s.top-m.top,o=s.left-m.left,n=e.canvas.boundary,a=n[2],l=n[3],A=0,h=0,u=t.length;h<u;h+=4)i[A]=o+Math.floor((1+t[h+0]/t[h+3])*a/2),i[A+1]=r+Math.floor((1-t[h+1]/t[h+3])*l/2),A+=2;if(this._originWire.setStartAndEnd(i[0],i[1],i[2],i[3]),this._targetWire.setStartAndEnd(i[2],i[3],i[4],i[5]),this._angleLabel.setPosBetweenWires(i[0],i[1],i[2],i[3],i[4],i[5]),c.subVec3(this._originWorld,this._cornerWorld,ve),c.subVec3(this._targetWorld,this._cornerWorld,be),!(0===ve[0]&&0===ve[1]&&0===ve[2]||0===be[0]&&0===be[1]&&0===be[2])){const e=this._approximate?" ~ ":" = ";c.normalizeVec3(ve),c.normalizeVec3(be);const t=Math.abs(c.angleVec3(ve,be));this._angle=t/c.DEGTORAD,this._angleLabel.setText(e+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(c.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._update(),this._angle}get color(){return this._color}set color(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}set visible(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}get originVisible(){return this._originVisible}set cornerVisible(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}get cornerVisible(){return this._cornerVisible}set targetVisible(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}get targetVisible(){return this._targetVisible}set originWireVisible(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}get originWireVisible(){return this._originWireVisible}set targetWireVisible(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}get targetWireVisible(){return this._targetWireVisible}set angleVisible(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get angleVisible(){return this._angleVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}setHighlighted(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),super.destroy()}}class xe extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Be extends xe{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=c.vec3(),A=c.vec2();this._currentAngleMeasurement=null;const h=c.vec2(),u=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:if(this._canvasToPagePos)this._canvasToPagePos(t,i,h),this.markerDiv.style.left=h[0]-5+"px",this.markerDiv.style.top=h[1]-5+"px";else{const e=c.vec2(i);ue(t,this.markerDiv.parentNode,e),this.markerDiv.style.left=e[0]-5+"px",this.markerDiv.style.top=e[1]-5+"px"}break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&u(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||u(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:c.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const d=e=>{if(r=!1,s&&(s.visible=!0,s.pointerPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&d(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||d(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class we extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=fe({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}const Pe=c.vec3(),Ce=c.vec3(),Me=c.vec3();class Ee extends he{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._marker.addEventListener("contextmenu",this._onContextMenuExtenalMarker=()=>{this.plugin.fire("contextmenu",this)}),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("contextmenu",(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=c.normalizeVec3(e.worldNormal,Pe),i=this.plugin&&this.plugin.surfaceOffset||0,s=c.mulVec3Scalar(t,i,Ce),r=c.addVec3(e.worldPos,s,Me);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class Fe extends D{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const Ie=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class De extends D{constructor(e,t={}){super(e,t),this._backgroundColor=c.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new Fe(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+c.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<Ie.length;e++)try{this.gl=this.canvas.getContext(Ie[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class Se{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=c.vec3(),this.snapPickOrigin=c.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),W(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;W(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=c.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const Te={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Re=document.createElement("canvas");if(Re){const e=Re.getContext("webgl",{antialias:!0})||Re.getContext("experimental-webgl",{antialias:!0});Te.WEBGL=!!e,Te.WEBGL&&(Te.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?Te.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?Te.FS_MAX_FLOAT_PRECISION="mediump":Te.FS_MAX_FLOAT_PRECISION="lowp":Te.FS_MAX_FLOAT_PRECISION="mediump",Te.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),Te.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),Te.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),Te.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),Te.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),Te.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),Te.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),Te.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),Te.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),Te.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){Te.SUPPORTED_EXTENSIONS[e]=!0})))}class Le{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class Ue{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class Oe{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class ke{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const Ne=new e({});function Qe(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function Ve(e){console.error(e.join("\n"))}class He{constructor(e,t){this.id=Ne.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Ue(e,e.VERTEX_SHADER,Qe(this.source.vertex)),this._fragmentShader=new Ue(e,e.FRAGMENT_SHADER,Qe(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Ve(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Ve(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Ve(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Ve(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Ve(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new Oe(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new ke(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(Ne.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class je{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class Ge{constructor(e,t){this.scene=e,this.aabb=c.AABB3(),this.origin=c.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;c.collapseAABB3(e),c.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new je(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const ze=c.vec3([1,0,0]),We=c.vec3();class Ke{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new Ge(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new Ge(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new He(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,W(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,J(i.dist,i.dir,o,We)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*ze[0],i=255*ze[1],s=255*ze[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const Xe=c.vec2();class Je{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,u=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;Xe[0]=o,Xe[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,u),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,Xe),t.uniform1f(this._uRandomSeed,d);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new He(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new je(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new je(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new je(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const Ye=new Float32Array(it(17,[0,1])),Ze=new Float32Array(it(17,[1,0])),qe=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(tt(s,t));return i}(17,4)),$e=new Float32Array(2);class et{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new He(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new je(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new je(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new je(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),$e[0]=n,$e[1]=a,s.uniform2fv(this._uViewport,$e),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,Ze):s.uniform2fv(this._uSampleOffsets,Ye),s.uniform1fv(this._uSampleWeights,qe);const u=e.getDepthTexture(),d=t.getTexture();r.bindTexture(this._uDepthTexture,u,0),r.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function tt(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function it(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class st{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class rt{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new st(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function ot(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const nt=function(t,i){i=i||{};const s=new Se(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},u=[],d=[],f=!0,g=!0,m=!0,_=!0,v=!0,b=!0,y=!0,x=!0;const B=new rt(t);let w=!1;const P=new Je(t),C=new et(t);function M(){f&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),f=!1,g=!0),g&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];u[e++]=s}}u.length=e,u.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),g=!1,m=!0),m&&function(){let e=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.rebuildRenderFlags(),i.renderFlags.culled||(d[e++]=i)}d.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!ot(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!ot(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!ot(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!ot(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!ot(o,"WEBGL_compressed_texture_pvrtc")&&!ot(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,m=!0},this.setEdgesEnabled=function(e){v=e,m=!0},this.setSAOEnabled=function(e){b=e,m=!0},this.setPBREnabled=function(e){y=e,m=!0},this.setColorTextureEnabled=function(e){x=e,m=!0},this.needStateSort=function(){g=!0},this.shadowsDirty=function(){},this.imageDirty=function(){m=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){P.init(),C.init(),m=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,f=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],f=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return m||f||g},this.render=function(e){(e=e||{}).force&&(m=!0),M(),m&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=B.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=B.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),P.render(r),n.unbind(),i.blur){const e=B.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],u=[],f=[],g=[],m=[],w=[],P=[],C=[],M=[],E=[],F=[],I=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=x&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?I:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const D=t.sao.possible;if(b&&D){const e=B.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let S,T;const R=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let L=0,U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0;for(let e=0,t=d.length;e<t;e++){if(T=d[e],!0===T.culled||!1===T.visible)continue;const t=T.renderFlags;t.colorOpaque&&(b&&D&&T.saoEnabled?i[L++]=T:T.drawColorOpaque(s)),_&&t.colorTransparent&&(l[O++]=T),t.xrayedSilhouetteTransparent&&(u[V++]=T),t.xrayedSilhouetteOpaque&&(h[N++]=T),t.highlightedSilhouetteTransparent&&(w[z++]=T),t.highlightedSilhouetteOpaque&&(g[j++]=T),t.selectedSilhouetteTransparent&&(E[J++]=T),t.selectedSilhouetteOpaque&&(C[K++]=T),T.edges&&v&&(t.edgesOpaque&&(r[U++]=T),t.edgesTransparent&&(A[k++]=T),t.selectedEdgesTransparent&&(F[Y++]=T),t.selectedEdgesOpaque&&(M[X++]=T),t.xrayedEdgesTransparent&&(f[H++]=T),t.xrayedEdgesOpaque&&(c[Q++]=T),t.highlightedEdgesTransparent&&(P[W++]=T),t.highlightedEdgesOpaque&&(m[G++]=T))}if(L>0)for(s.withSAO=!0,S=0;S<L;S++)i[S].drawColorOpaque(s);if(U>0)for(S=0;S<U;S++)r[S].drawEdgesColorOpaque(s);if(N>0)for(S=0;S<N;S++)h[S].drawSilhouetteXRayed(s);if(Q>0)for(S=0;S<Q;S++)c[S].drawEdgesXRayed(s);if(V>0||H>0||O>0||k>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(O>0||k>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),k>0)for(S=0;S<k;S++)T=A[S],T.drawEdgesColorTransparent(s);if(O>0)for(S=0;S<O;S++)T=l[S],T.drawColorTransparent(s);if(H>0)for(S=0;S<H;S++)f[S].drawEdgesXRayed(s);if(V>0)for(S=0;S<V;S++)u[S].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(j>0||G>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),G>0)for(S=0;S<G;S++)m[S].drawEdgesHighlighted(s);if(j>0)for(S=0;S<j;S++)g[S].drawSilhouetteHighlighted(s)}if(z>0||W>0||j>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(S=0;S<W;S++)P[S].drawEdgesHighlighted(s);if(z>0)for(S=0;S<z;S++)w[S].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(K>0||X>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),X>0)for(S=0;S<X;S++)M[S].drawEdgesSelected(s);if(K>0)for(S=0;S<K;S++)C[S].drawSilhouetteSelected(s)}if(J>0||Y>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Y>0)for(S=0;S<Y;S++)F[S].drawEdgesSelected(s);if(J>0)for(S=0;S<J;S++)E[S].drawSilhouetteSelected(s);o.disable(o.BLEND)}const Z=Date.now(),q=p.frame;q.renderTime=(Z-R)/1e3,q.drawElements=s.drawElements,q.drawArrays=s.drawArrays,q.useProgram=s.useProgram,q.bindTexture=s.bindTexture,q.bindArray=s.bindArray;const $=Te.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<$;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const ee=Te.MAX_VERTEX_ATTRIBS;for(let e=0;e<ee;e++)o.disableVertexAttribArray(e)}(e)}(e),p.frame.frameCount++,m=!1)},this.pick=function(){const e=c.vec3();c.mat4();const i=c.mat4(),n=c.vec3(),a=c.vec3([0,1,0]),h=new Le,u=c.vec2(),p=c.vec3(),f=c.vec3(),g=c.vec3();return c.vec3(),c.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,x=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,x=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,x=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=c.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),c.normalizeVec3(n),c.cross3Vec3(g,n,a),b=c.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,x="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const w=B.getRenderBuffer("pick",{size:[1,1]});w.bind();const P=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,u=a.excludeEntityIds;for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||u&&u[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(w,p,b,y,m,_);if(!P)return w.unbind(),null;const C=P.delegatePickedEntity?P.delegatePickedEntity():P;return C?(m.pickSurface&&(P.canPickTriangle&&P.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(w,P,p,b,y,_),P.pickTriangleSurface(b,y,x,_),_.pickSurfacePrecision=!1):P.canPickWorldPos&&P.canPickWorldPos()&&(u[0]=t.camera.project.near,u[1]=t.camera.project.far,F(w,P,p,b,y,u,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=B.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const u=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const d=[u[0]/c.MAX_INT,u[1]/c.MAX_INT,u[2]/c.MAX_INT];c.normalizeVec3(d),l.worldNormal=d}(0,P,p,b,y,_),_.pickSurfacePrecision=!1)),w.unbind(),_.entity=C,_):(w.unbind(),null)}}();const F=function(){const e=c.vec4(),i=c.vec4(),n=c.vec4(),a=c.vec4(),l=c.vec4(),A=c.mat4(),h=c.mat4(),u=c.mat4();return function(d,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return c.dotVec4(t,i)}(d.read(0,0)),x=(f[0]-r.clientWidth/2)/(r.clientWidth/2),B=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),w=p.origin;let P;if(w){const e=W(g,w,A);P=c.mulMat4(m,e,h)}else P=c.mulMat4(m,g,h);const C=c.inverseMat4(P,u);e[0]=x,e[1]=B,e[2]=-1,e[3]=1;let M=c.transformVec4(C,e);M=c.mulVec4Scalar(M,1/M[3]),i[0]=x,i[1]=B,i[2]=1,i[3]=1;let E=c.transformVec4(C,i);E=c.mulVec4Scalar(E,1/E[3]);const F=c.subVec3(E,M,n),I=c.addVec3(M,c.mulVec4Scalar(F,y,a),l);w&&c.addVec3(I,w),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new Le;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:u,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=u||30,_=B.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:c.lookAtMat4v(a,c.addVec3(a,h,c.vec3()),c.vec3([0,1,0]),c.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const x=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),w=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),P=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=x.slice(F,F+4),R=w.slice(F,F+4),L=P.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=c.normalizeVec3([R[0]/c.MAX_INT,R[1]/c.MAX_INT,R[2]/c.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<x.length;e+=4)if(x[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?x[e+3]>y.length/2:p,result:[x[e+0],x[e+1],x[e+2],x[e+3]],normal:[w[e+0],w[e+1],w[e+2],w[e+3]],id:[P[e+0],P[e+1],P[e+2],P[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=c.normalizeVec3([t[0]/c.MAX_INT,t[1]/c.MAX_INT,t[2]/c.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new Ke(t,B),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=B.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),m=!0},this.beginSnapshot=function(e={}){const t=B.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),w=!0},this.renderSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),m=!0},this.readSnapshot=function(e){return B.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return B.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").unbind(),w=!1},this.destroy=function(){A={},h={},B.destroy(),P.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class at extends D{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.MOUSE_LEFT_BUTTON=260,this.MOUSE_MIDDLE_BUTTON=261,this.MOUSE_RIGHT_BUTTON=262,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=c.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){const t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const lt=new e({});class At{constructor(e){this.id=lt.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){lt.removeItem(this.id)}}class ht extends D{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new At({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class ct extends D{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new At({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),c.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class ut extends D{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new At({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),c.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class dt extends D{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new At({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){c.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class pt extends D{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new At({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const ft=c.vec3(),gt=c.vec3(),mt=c.vec3(),_t=c.vec3(),vt=c.vec3(),bt=c.vec3(),yt=c.vec4(),xt=c.vec4(),Bt=c.vec4(),wt=c.mat4(),Pt=c.mat4(),Ct=c.vec3(),Mt=c.vec3(),Et=c.vec3(),Ft=c.vec3();class It extends D{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new At({deviceMatrix:c.mat4(),hasDeviceMatrix:!1,matrix:c.mat4(),normalMatrix:c.mat4(),inverseMatrix:c.mat4()}),this._perspective=new ct(this),this._ortho=new ut(this),this._frustum=new dt(this),this._customProjection=new pt(this),this._project=this._perspective,this._eye=c.vec3([0,0,10]),this._look=c.vec3([0,0,0]),this._up=c.vec3([0,1,0]),this._worldUp=c.vec3([0,1,0]),this._worldRight=c.vec3([1,0,0]),this._worldForward=c.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(c.subVec3(this._eye,this._look,Ct),c.normalizeVec3(Ct,Mt),c.mulVec3Scalar(Mt,1e3,Et),c.addVec3(this._look,Et,Ft),t=Ft):t=this._eye,e.hasDeviceMatrix?(c.lookAtMat4v(t,this._look,this._up,Pt),c.mulMat4(e.deviceMatrix,Pt,e.matrix)):c.lookAtMat4v(t,this._look,this._up,e.matrix),c.inverseMat4(this._state.matrix,this._state.inverseMatrix),c.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=c.subVec3(this._eye,this._look,ft);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,wt),t=c.transformPoint3(wt,t,gt),this.eye=c.addVec3(this._look,t,mt),this.up=c.transformPoint3(wt,this._up,_t)}orbitPitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._eye,this._look,ft);const i=c.cross3Vec3(c.normalizeVec3(t,gt),c.normalizeVec3(this._up,mt));c.rotationMat4v(.0174532925*e,i,wt),t=c.transformPoint3(wt,t,_t),this.up=c.transformPoint3(wt,this._up,vt),this.eye=c.addVec3(t,this._look,bt)}yaw(e){let t=c.subVec3(this._look,this._eye,ft);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,wt),t=c.transformPoint3(wt,t,gt),this.look=c.addVec3(t,this._eye,mt),this._gimbalLock&&(this.up=c.transformPoint3(wt,this._up,_t))}pitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._look,this._eye,ft);const i=c.cross3Vec3(c.normalizeVec3(t,gt),c.normalizeVec3(this._up,mt));c.rotationMat4v(.0174532925*e,i,wt),this.up=c.transformPoint3(wt,this._up,bt),t=c.transformPoint3(wt,t,_t),this.look=c.addVec3(t,this._eye,vt)}pan(e){const t=c.subVec3(this._eye,this._look,ft),i=[0,0,0];let s;if(0!==e[0]){const r=c.cross3Vec3(c.normalizeVec3(t,[]),c.normalizeVec3(this._up,gt));s=c.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=c.mulVec3Scalar(c.normalizeVec3(this._up,mt),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=c.mulVec3Scalar(c.normalizeVec3(t,_t),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=c.addVec3(this._eye,i,vt),this.look=c.addVec3(this._look,i,bt)}zoom(e){const t=c.subVec3(this._eye,this._look,ft),i=Math.abs(c.lenVec3(t,gt)),s=Math.abs(i+e);if(s<.5)return;const r=c.normalizeVec3(t,mt);this.eye=c.addVec3(this._look,c.mulVec3Scalar(r,s),_t)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=c.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return c.lenVec3(c.subVec3(this._look,this._eye,ft))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=yt,i=xt,s=Bt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,c.mulMat4v4(this.viewMatrix,t,i),c.mulMat4v4(this.projMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Dt extends D{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class St extends Dt{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new At({type:"dir",dir:c.vec3([1,1,1]),color:c.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=c.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];c.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=c.identityMat4()),c.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new st(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class Tt extends Dt{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:c.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class Rt extends D{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),p.memory.meshes++}destroy(){super.destroy(),p.memory.meshes--}}var Lt=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],c.decompressPosition(n,i,A),c.decompressPosition(a,i,h),c.decompressPosition(l,i,u)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],u[0]=e[v],u[1]=e[v+1],u[2]=e[v+2]),c.subVec3(u,h,d),c.subVec3(A,h,p),c.cross3Vec3(d,p,f),c.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:c.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],x=Math.cos(c.DEGTORAD*b),B={};let w,P,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)w=s[e+i],P=s[e+(i+1)%3],C=Math.min(w,P),M=Math.max(w,P),E=C+","+M,void 0===B[E]?B[E]={index1:C,index2:M,face1:t,face2:void 0}:B[E].face2=t}for(E in B)F=B[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=c.dotVec3(I,D),S>x)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const Ut=function(){const e=c.mat4(),t=c.mat4();return function(i,s){s=s||c.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return c.identityMat4(e),c.translationMat4v(i,e),c.identityMat4(t),c.scalingMat4v([a/h,l/h,A/h],t),c.mulMat4(e,t,s),s}}();var Ot=function(){const e=c.mat4(),t=c.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));c.identityMat4(e),c.translationMat4v(s,e),c.identityMat4(t),c.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:c.mulMat4(e,t,c.identityMat4())}}}();var kt=function(){const e=c.mat3(),t=c.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));c.identityMat3(e),c.translationMat3v(s,e),c.identityMat3(t),c.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:c.mulMat3(e,t,c.identityMat3())}}}();function Nt(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function Qt(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function Vt(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const Ht={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:Ut,compressPositions:Ot,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:kt,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=Nt(e,a,"floor","floor"),s=Qt(i),o=n=Vt(e,a,s),i=Nt(e,a,"ceil","floor"),s=Qt(i),o=Vt(e,a,s),o>n&&(r=i,n=o),i=Nt(e,a,"floor","ceil"),s=Qt(i),o=Vt(e,a,s),o>n&&(r=i,n=o),i=Nt(e,a,"ceil","ceil"),s=Qt(i),o=Vt(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},jt=p.memory,Gt=c.AABB3();class zt extends Rt{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new At({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=Ht.getPositionsBounds(t.positions),s=Ht.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=Ht.getUVBounds(t.uv),s=Ht.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=Ht.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),jt.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),jt.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new je(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),jt.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new je(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),jt.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new je(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),jt.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new je(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),jt.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=Lt(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),jt.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=c.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new je(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new je(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),jt.positions+=this._pickTrianglePositionsBuf.numItems,jt.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),Ht.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=Ht.getPositionsBounds(e),s=Ht.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),Ht.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),Ht.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=c.AABB3()),c.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=c.OBB3()),c.positions3ToAABB3(this._state.positions,Gt,this._state.positionsDecodeMatrix),c.AABB3ToOBB3(Gt,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),jt.meshes--}}function Wt(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class Kt extends D{get type(){return"Material"}constructor(e,t={}){super(e,t),p.memory.materials++}destroy(){super.destroy(),p.memory.materials--}}const Xt={opaque:0,mask:1,blend:2},Jt=["opaque","mask","blend"];class Yt extends Kt{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new At({type:"PhongMaterial",ambient:c.vec3([1,1,1]),diffuse:c.vec3([1,1,1]),specular:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=Xt[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Jt[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const Zt={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class qt extends Kt{get type(){return"EmphasisMaterial"}get presets(){return Zt}constructor(e,t={}){super(e,t),this._state=new At({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=Zt[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Zt).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const $t={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class ei extends Kt{get type(){return"EdgeMaterial"}get presets(){return $t}constructor(e,t={}){super(e,t),this._state=new At({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=$t[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys($t).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const ti={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class ii extends D{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=c.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return ti}set units(e){e||(e="meters");ti[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=c.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=c.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class si extends D{constructor(e,t={}){super(e,t),this._supported=Te.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class ri extends D{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const oi={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class ni extends Kt{get type(){return"PointsMaterial"}get presets(){return oi}constructor(e,t={}){super(e,t),this._state=new At({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=oi[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(oi).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const ai={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class li extends Kt{get type(){return"LinesMaterial"}get presets(){return ai}constructor(e,t={}){super(e,t),this._state=new At({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=ai[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(ai).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function Ai(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class hi extends D{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new De(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new nt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=c.vec4([0,0,0,0]),t=c.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new at(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new ii(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new si(this,{enabled:t.saoEnabled}),this.crossSections=new ri(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,M._addScene(this),this._initDefaults(),this._viewport=new ht(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new It(this,{id:"default.camera",dontClear:!0}),new Tt(this,{color:[1,1,1],intensity:.7}),new St(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new St(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+_.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=c.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],_.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&M.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=c.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||Wt(zt)}get material(){return this.components["default.material"]||new Yt(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new qt(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new qt(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new qt(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new ei(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new ni(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new li(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=c.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=c.AABB3());let e,t=c.MAX_DOUBLE,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MIN_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=Ai(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=Ai(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(_.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MAX_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE,a=c.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=c.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){_.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=c.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const ci=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=pi(e),u=s.getNumAllocatedSectionPlanes()>0,d=di(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=pi(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=di(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+ui[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+ui[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+ui[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+ui[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+ui[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+ui[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},ui={};function di(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function pi(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}ui[3e3]="linearToLinear",ui[3001]="sRGBToLinear";const fi=c.vec3(),gi=new e({}),mi=function(e,t){this.id=gi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new ci(t),this._allocate(t)},_i={};mi.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=_i[i];if(!s){if(s=new mi(i,e),s.errors)return console.log(s.errors.join("\n")),null;_i[i]=s,p.memory.programs++}return s._useCount++,s},mi.prototype.put=function(){0==--this._useCount&&(gi.removeItem(this.id),this._program&&this._program.destroy(),delete _i[this._hash],p.memory.programs--)},mi.prototype.webglContextRestored=function(){this._program=null},mi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=Te.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=J(i.dist,i.dir,c,fi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},mi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new He(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},mi.prototype._bindProgram=function(e){const t=Te.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class vi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const bi=new e({}),yi=c.vec3(),xi=function(e,t){this.id=bi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new vi(t),this._allocate(t)},Bi={};xi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Bi[t];return i||(i=new xi(t,e),Bi[t]=i,p.memory.programs++),i._useCount++,i},xi.prototype.put=function(){0==--this._useCount&&(bi.removeItem(this.id),this._program&&this._program.destroy(),delete Bi[this._hash],p.memory.programs--)},xi.prototype.webglContextRestored=function(){this._program=null},xi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=J(i.dist,i.dir,A,yi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},xi.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new He(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},xi.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class wi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Pi=new e({}),Ci=c.vec3(),Mi=function(e,t){this.id=Pi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new wi(t),this._allocate(t)},Ei={};Mi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ei[t];return i||(i=new Mi(t,e),Ei[t]=i,p.memory.programs++),i._useCount++,i},Mi.prototype.put=function(){0==--this._useCount&&(Pi.removeItem(this.id),this._program&&this._program.destroy(),delete Ei[this._hash],p.memory.programs--)},Mi.prototype.webglContextRestored=function(){this._program=null},Mi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=J(i.dist,i.dir,h,Ci);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},Mi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new He(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Mi.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class Fi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const Ii=c.vec3(),Di=function(e,t){this._hash=e,this._shaderSource=new Fi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Si={};Di.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=Si[t];if(!i){if(i=new Di(t,e),i.errors)return console.log(i.errors.join("\n")),null;Si[t]=i,p.memory.programs++}return i._useCount++,i},Di.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Si[this._hash],p.memory.programs--)},Di.prototype.webglContextRestored=function(){this._program=null},Di.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=J(i.dist,i.dir,a,Ii);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Di.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new He(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},Di.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class Ti{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const Ri=c.vec3(),Li=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ti(t),this._allocate(t)},Ui={};Li.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ui[t];if(!i){if(i=new Li(t,e),i.errors)return console.log(i.errors.join("\n")),null;Ui[t]=i,p.memory.programs++}return i._useCount++,i},Li.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Ui[this._hash],p.memory.programs--)},Li.prototype.webglContextRestored=function(){this._program=null},Li.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=J(i.dist,i.dir,l,Ri);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},Li.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new He(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class Oi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const ki=c.vec3(),Ni=function(e,t){this._hash=e,this._shaderSource=new Oi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Qi={};Ni.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=Qi[t];if(!i){if(i=new Ni(t,e),i.errors)return console.log(i.errors.join("\n")),null;Qi[t]=i,p.memory.programs++}return i._useCount++,i},Ni.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Qi[this._hash],p.memory.programs--)},Ni.prototype.webglContextRestored=function(){this._program=null},Ni.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=J(i.dist,i.dir,a,ki);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Ni.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new He(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Ni.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class Vi{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const Hi=function(e,t){this._hash=e,this._shaderSource=new Vi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},ji={};Hi.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=ji[i];if(!s){if(s=new Hi(i,e),s.errors)return console.log(s.errors.join("\n")),null;ji[i]=s,p.memory.programs++}return s._useCount++,s},Hi.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete ji[this._hash],p.memory.programs--)},Hi.prototype.webglContextRestored=function(){this._program=null},Hi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},Hi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new He(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Hi.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class Gi{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const zi=c.OBB3(),Wi=c.vec4(),Ki=c.vec4(),Xi=c.vec4(),Ji=c.vec3([1,0,0]),Yi=c.vec3([0,1,0]),Zi=c.vec3([0,0,1]),qi=c.vec3(3),$i=c.vec3(3),es=c.identityMat4();class ts extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new Gi,this._state=new At({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:c.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._worldMatrix=c.identityMat4(),this._worldNormalMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=c.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=c.identityMat4()),this.__localMatrix.set(e||es),c.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=c.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=mi.get(this),this._emphasisFillRenderer=xi.get(this),this._emphasisEdgesRenderer=Mi.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Di.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=Ni.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=c.mat4()),c.transposeMat4(this._worldMatrix,this._worldNormalMatrix),c.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){c.transformOBB3(e,this._geometry.obb,zi),c.OBB3ToAABB3(zi,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return Wi[0]=e[0],Wi[1]=e[1],Wi[2]=e[2],Wi[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Wi,Ki),c.mulQuaternions(this.quaternion,Ki,Xi),this.quaternion=Xi,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Wi[0]=e[0],Wi[1]=e[1],Wi[2]=e[2],Wi[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Wi,Ki),c.mulQuaternions(Ki,this.quaternion,Ki),this}rotateX(e){return this.rotate(Ji,e)}rotateY(e){return this.rotate(Yi,e)}rotateZ(e){return this.rotate(Zi,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,qi),c.mulVec3Scalar(qi,t,$i),c.addVec3(this.position,$i,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Ji,e)}translateY(e){return this.translate(Yi,e)}translateZ(e){return this.translate(Zi,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=mi.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=mi.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=xi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=xi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=xi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=Ni.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=Hi.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Di.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=Li.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){is(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const is=function(){const e=c.vec3(),t=c.vec3(),i=c.vec3(),s=c.vec3(),r=c.vec3(),o=c.vec3(),n=c.vec4(),a=c.vec3(),l=c.vec3(),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3(),m=c.vec4(),_=c.vec4(),v=c.vec4(),b=c.vec3(),y=c.vec3(),x=c.vec3(),B=c.vec3(),w=c.vec3(),P=c.vec3(),C=c.vec3(),M=c.vec3(),E=c.vec3(),F=c.vec3(),I=c.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let K,X,J;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,K=3*O,X=3*k,J=3*N}else K=3*V,X=K+3,J=X+3;if(i[0]=z[K+0],i[1]=z[K+1],i[2]=z[K+2],s[0]=z[X+0],s[1]=z[X+1],s[2]=z[X+2],r[0]=z[J+0],r[1]=z[J+1],r[2]=z[J+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(Ht.decompressPosition(i,e,i),Ht.decompressPosition(s,e,s),Ht.decompressPosition(r,e,r))}L.canvasPos?c.canvasPosToLocalRay(j.canvas,D.origin?W(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&c.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),c.normalizeVec3(t),c.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,c.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,c.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,c.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const Y=Q.normals;if(Y){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;Ht.decompressNormal(Y.subarray(e,e+2),h),Ht.decompressNormal(Y.subarray(t,t+2),u),Ht.decompressNormal(Y.subarray(i,i+2),d)}else h[0]=Y[K],h[1]=Y[K+1],h[2]=Y[K+2],u[0]=Y[X],u[1]=Y[X+1],u[2]=Y[X+2],d[0]=Y[J],d[1]=Y[J+1],d[2]=Y[J+2];const e=c.addVec3(c.addVec3(c.mulVec3Scalar(h,A[0],b),c.mulVec3Scalar(u,A[1],y),x),c.mulVec3Scalar(d,A[2],B),w);L.worldNormal=c.normalizeVec3(c.transformVec3(D.worldNormalMatrix,e,P))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(Ht.decompressUV(p,e,p),Ht.decompressUV(f,e,f),Ht.decompressUV(g,e,g))}L.uv=c.addVec3(c.addVec3(c.mulVec2Scalar(p,A[0],C),c.mulVec2Scalar(f,A[1],M),E),c.mulVec2Scalar(g,A[2],F),I)}}}}}();function ss(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative 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ns(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;_.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,v=(l||"").split("\n"),b=0,y=0,x=.04,B=0;B<v.length;B++){A=0,c=(h=v[B]).length;for(var w=0;w<c;w++)if(u=os[h.charAt(w)]){d=1,p=-1,f=-1,g=u.points.length;for(var P=0;P<g;P++)-1!==(m=u.points[P])[0]||-1!==m[1]?(n.push(A+m[0]*o*x+i),n.push(y+m[1]*o*x+s),n.push(0+r),-1===p?p=b:(-1===f||(p=f),f=b),b++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*x*o}y-=35*x*o}return _.apply(e,{primitive:"lines",positions:n,indices:a})}c.vec3();class as extends D{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new At({active:!0,pos:c.vec3(),dir:c.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){c.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const ls=c.vec4(4),As=c.vec4(),hs=c.vec4(),cs=c.vec3([1,0,0]),us=c.vec3([0,1,0]),ds=c.vec3([0,0,1]),ps=c.vec3(3),fs=c.vec3(3),gs=c.identityMat4();class ms extends D{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._offset=c.vec3(),this._localMatrix=c.identityMat4(),this._worldMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=c.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;c.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&c.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+_.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+_.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||gs),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return ls[0]=e[0],ls[1]=e[1],ls[2]=e[2],ls[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ls,As),c.mulQuaternions(this.quaternion,As,hs),this.quaternion=hs,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return ls[0]=e[0],ls[1]=e[1],ls[2]=e[2],ls[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ls,As),c.mulQuaternions(As,this.quaternion,As),this}rotateX(e){return this.rotate(cs,e)}rotateY(e){return this.rotate(us,e)}rotateZ(e){return this.rotate(ds,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,ps),c.mulVec3Scalar(ps,t,fs),c.addVec3(this.position,fs,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(cs,e)}translateY(e){return this.translate(us,e)}translateZ(e){return this.translate(ds,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class _s extends Kt{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new At({type:"LambertMaterial",ambient:c.vec3([1,1,1]),color:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const vs={opaque:0,mask:1,blend:2},bs=["opaque","mask","blend"];class ys extends Kt{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new At({type:"MetallicMaterial",baseColor:c.vec4([1,1,1]),emissive:c.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=vs[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return bs[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const xs={opaque:0,mask:1,blend:2},Bs=["opaque","mask","blend"];class ws extends Kt{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new At({type:"SpecularMaterial",diffuse:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),specular:c.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=xs[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Bs[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function Ps(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=ot(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=ot(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=ot(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=ot(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=ot(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=ot(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=ot(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const Cs=new Uint8Array([0,0,0,1]);class Ms{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(Cs[0]=Math.floor(255*e[0]),Cs[1]=Math.floor(255*e[1]),Cs[2]=Math.floor(255*e[2]),Cs[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(Cs[0]=0,Cs[1]=0,Cs[2]=0,Cs[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Cs)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Cs);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=Ps(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=Ps(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=Ps(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=Ps(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=Ps(i,this.format,this.encoding),d=Ps(i,this.type),p=Es(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(_.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=Ps(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=Ps(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=Ps(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Fs(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Fs(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Ps(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Ps(i,this.magFilter)));const a=Ps(i,this.format,this.encoding),l=Ps(i,this.type),A=Es(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=Ps(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=Ps(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=Ps(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=Ps(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function Es(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||ot(e,"EXT_color_buffer_float"),n}function Fs(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Is(e){if(!Ds(e.width)||!Ds(e.height)){const t=document.createElement("canvas");t.width=Ss(e.width),t.height=Ss(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Ds(e){return 0==(e&e-1)}function Ss(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class Ts extends D{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new At({texture:new Ms({gl:this.scene.canvas.gl}),matrix:c.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=c.vec2([0,0]),this._scale=c.vec2([1,1]),this._rotate=c.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),p.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new Ms({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=c.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=c.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?c.mulMat4(t,i):i),0!==this._rotate&&(i=c.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?c.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=Is(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=Is(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),p.memory.textures--}}const Rs=p.memory,Ls=c.AABB3();class Us extends Rt{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new At({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=c.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=Ht.getPositionsBounds(t.positions),o=Ht.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new je(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),Rs.positions+=i.positionsBuf.numItems,c.positions3ToAABB3(t.positions,this._aabb),c.positions3ToAABB3(r,Ls,i.positionsDecodeMatrix),c.AABB3ToOBB3(Ls,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new je(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),Rs.colors+=i.colorsBuf.numItems}if(t.uv){const e=Ht.getUVBounds(t.uv),r=Ht.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new je(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),Rs.uvs+=i.uvBuf.numItems}if(t.normals){const e=Ht.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new je(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),Rs.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new je(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),Rs.indices+=i.indicesBuf.numItems;const o=Lt(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new je(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),Rs.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),Rs.meshes--}}var Os={};function ks(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function Ns(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return _.apply(e,{primitive:"lines",positions:o,indices:n})}function Qs(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),v=new Float32Array(d*p*3),b=new Float32Array(d*p*2);let y,x,B,w,P,C,M,E=0,F=0;for(y=0;y<p;y++){const e=y*g-h;for(x=0;x<d;x++)B=x*f-A,m[E]=B+n,m[E+1]=a,m[E+2]=-e+l,v[E+2]=-1,b[F]=x/c,b[F+1]=(u-y)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(y=0;y<u;y++)for(x=0;x<c;x++)w=x+d*y,P=x+d*(y+1),C=x+1+d*(y+1),M=x+1+d*y,I[E]=M,I[E+1]=P,I[E+2]=w,I[E+3]=M,I[E+4]=C,I[E+5]=P,E+=6;return _.apply(e,{positions:m,normals:v,uv:b,indices:I})}function Vs(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],u=[],d=[],p=[];let f,g,m,v,b,y,x,B,w,P,C,M;for(B=0;B<=r;B++)for(x=0;x<=s;x++)f=x/s*o,g=.785398+B/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),v=(t+i*Math.cos(g))*Math.sin(f),b=i*Math.sin(g),h.push(m+a),h.push(v+l),h.push(b+A),d.push(1-x/s),d.push(B/r),y=c.normalizeVec3(c.subVec3([m,v,b],[a,l,A],[]),[]),u.push(y[0]),u.push(y[1]),u.push(y[2]);for(B=1;B<=r;B++)for(x=1;x<=s;x++)w=(s+1)*B+x-1,P=(s+1)*(B-1)+x-1,C=(s+1)*(B-1)+x,M=(s+1)*B+x,p.push(w),p.push(P),p.push(C),p.push(C),p.push(M),p.push(w);return _.apply(e,{positions:h,normals:u,uv:d,indices:p})}function Hs(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return _.apply(e,{primitive:"lines",positions:e.points,indices:i})}Os.load=function(e,t){var i=new XMLHttpRequest;i.open("GET",e,!0),i.responseType="arraybuffer",i.onload=function(e){t(e.target.response)},i.send()},Os.save=function(e,t){var i="data:application/octet-stream;base64,"+btoa(Os.parse._buffToStr(e));window.location.href=i},Os.clone=function(e){return JSON.parse(JSON.stringify(e))},Os.bin={},Os.bin.f=new Float32Array(1),Os.bin.fb=new Uint8Array(Os.bin.f.buffer),Os.bin.rf=function(e,t){for(var i=Os.bin.f,s=Os.bin.fb,r=0;r<4;r++)s[r]=e[t+r];return i[0]},Os.bin.rsl=function(e,t){return e[t]|e[t+1]<<8},Os.bin.ril=function(e,t){return e[t]|e[t+1]<<8|e[t+2]<<16|e[t+3]<<24},Os.bin.rASCII0=function(e,t){for(var i="";0!=e[t];)i+=String.fromCharCode(e[t++]);return i},Os.bin.wf=function(e,t,i){new Float32Array(e.buffer,t,1)[0]=i},Os.bin.wsl=function(e,t,i){e[t]=i,e[t+1]=i>>8},Os.bin.wil=function(e,t,i){e[t]=i,e[t+1]=i>>8,e[t+2]=i>>16,e[t+3]},Os.parse={},Os.parse._buffToStr=function(e){for(var t=new Uint8Array(e),i="",s=0;s<t.length;s++)i=i.concat(String.fromCharCode(t[s]));return i},Os.parse._strToBuff=function(e){for(var t=new ArrayBuffer(e.length),i=new Uint8Array(t),s=0;s<e.length;s++)i[s]=e.charCodeAt(s);return t},Os.parse._readLine=function(e,t){for(var i="";10!=e[t];)i+=String.fromCharCode(e[t++]);return i},Os.parse.fromJSON=function(e){return JSON.parse(Os.parse._buffToStr(e))},Os.parse.toJSON=function(e){var t=JSON.stringify(e);return Os.parse._strToBuff(t)},Os.parse.fromOBJ=function(e){for(var t={groups:{},c_verts:[],c_uvt:[],c_norms:[],i_verts:[],i_uvt:[],i_norms:[]},i={from:0,to:0},s=0,r=new Uint8Array(e);s<r.length;){var o=Os.parse._readLine(r,s);s+=o.length+1;var n=(o=(o=o.replace(/ +(?= )/g,"")).replace(/(^\s+|\s+$)/g,"")).split(" ");if("g"==n[0]&&(i.to=t.i_verts.length,null==t.groups[n[1]]&&(t.groups[n[1]]={from:t.i_verts.length,to:0}),i=t.groups[n[1]]),"v"==n[0]){var a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_verts.push(a,l,A)}if("vt"==n[0]){a=parseFloat(n[1]),l=1-parseFloat(n[2]);t.c_uvt.push(a,l)}if("vn"==n[0]){a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_norms.push(a,l,A)}if("f"==n[0]){var h=n[1].split("/"),c=n[2].split("/"),u=n[3].split("/"),d=parseInt(h[0])-1,p=parseInt(c[0])-1,f=parseInt(u[0])-1,g=parseInt(h[1])-1,m=parseInt(c[1])-1,_=parseInt(u[1])-1,v=parseInt(h[2])-1,b=parseInt(c[2])-1,y=parseInt(u[2])-1,x=t.c_verts.length/3,B=t.c_uvt.length/2,w=t.c_norms.length/3;if(d<0&&(d=x+d+1),p<0&&(p=x+p+1),f<0&&(f=x+f+1),g<0&&(g=B+g+1),m<0&&(m=B+m+1),_<0&&(_=B+_+1),v<0&&(v=w+v+1),b<0&&(b=w+b+1),y<0&&(y=w+y+1),t.i_verts.push(d,p,f),t.i_uvt.push(g,m,_),t.i_norms.push(v,b,y),5==n.length){var P=n[4].split("/"),C=parseInt(P[0])-1,M=parseInt(P[1])-1,E=parseInt(P[2])-1;C<0&&(C=x+C+1),M<0&&(M=B+M+1),E<0&&(E=w+E+1),t.i_verts.push(d,f,C),t.i_uvt.push(g,_,M),t.i_norms.push(v,y,E)}}}return i.to=t.i_verts.length,t},Os.parse.fromMD2=function(e){e=new Uint8Array(e);var t={},i={};i.ident=Os.bin.ril(e,0),i.version=Os.bin.ril(e,4),i.skinwidth=Os.bin.ril(e,8),i.skinheight=Os.bin.ril(e,12),i.framesize=Os.bin.ril(e,16),i.num_skins=Os.bin.ril(e,20),i.num_vertices=Os.bin.ril(e,24),i.num_st=Os.bin.ril(e,28),i.num_tris=Os.bin.ril(e,32),i.num_glcmds=Os.bin.ril(e,36),i.num_frames=Os.bin.ril(e,40),i.offset_skins=Os.bin.ril(e,44),i.offset_st=Os.bin.ril(e,48),i.offset_tris=Os.bin.ril(e,52),i.offset_frames=Os.bin.ril(e,56),i.offset_glcmds=Os.bin.ril(e,60),i.offset_end=Os.bin.ril(e,64);var s=i.offset_st;t.c_uvt=[];for(var r=0;r<i.num_st;r++){var o=Os.bin.rsl(e,s)/i.skinwidth,n=Os.bin.rsl(e,s+2)/i.skinheight;t.c_uvt.push(o,n),s+=4}s=i.offset_tris;var a=[],l=[];t.i_verts=a,t.i_uvt=l;for(r=0;r<i.num_tris;r++)a.push(Os.bin.rsl(e,s),Os.bin.rsl(e,s+2),Os.bin.rsl(e,s+4)),l.push(Os.bin.rsl(e,s+6),Os.bin.rsl(e,s+8),Os.bin.rsl(e,s+10)),s+=12;s=i.offset_skins;t.skins=[];for(r=0;r<i.num_skins;r++)t.skins.push(Os.bin.rASCII0(e,s)),s+=64;s=i.offset_frames;t.frames=[];var A=Os.parse.fromMD2._normals;for(r=0;r<i.num_frames;r++){var h={},c=Os.bin.rf(e,s),u=Os.bin.rf(e,s+4),d=Os.bin.rf(e,s+8);s+=12;var p=Os.bin.rf(e,s),f=Os.bin.rf(e,s+4),g=Os.bin.rf(e,s+8);s+=12,h.name=Os.bin.rASCII0(e,s),s+=16,h.verts=[],h.norms=[];for(var m=0;m<i.num_vertices;m++)h.verts.push(e[s]*c+p,e[s+1]*u+f,e[s+2]*d+g),h.norms.push(A[3*e[s+3]],A[3*e[s+3]+1],A[3*e[s+3]+2]),s+=4;t.frames.push(h)}return 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t=Os.parse._buffToStr(e),i=(new DOMParser).parseFromString(t,"text/xml"),s={},r=(i=i.childNodes[0]).getElementsByTagName("asset")[0],o=i.getElementsByTagName("library_geometries")[0],n=i.getElementsByTagName("library_images")[0],a=i.getElementsByTagName("library_materials")[0],l=i.getElementsByTagName("library_effects")[0];return r&&(s.asset=Os.parse.fromCollada._asset(r)),o&&(s.geometries=Os.parse.fromCollada._libGeometries(o)),n&&(s.images=Os.parse.fromCollada._libImages(n)),a&&(s.materials=Os.parse.fromCollada._libMaterials(a)),l&&(s.effects=Os.parse.fromCollada._libEffects(l)),s},Os.parse.fromCollada._asset=function(e){return{created:e.getElementsByTagName("created")[0].textContent,modified:e.getElementsByTagName("modified")[0].textContent,up_axis:e.getElementsByTagName("up_axis")[0].textContent}},Os.parse.fromCollada._libGeometries=function(e){e=e.getElementsByTagName("geometry");for(var t=[],i=0;i<e.length;i++){var s=e[i],r=Os.parse.fromCollada._getMesh(s.getElementsByTagName("mesh")[0]);t.push(r)}return t},Os.parse.fromCollada._getMesh=function(e){for(var t={},i=e.getElementsByTagName("source"),s=t.sources={},r=0;r<i.length;r++){for(var o=i[r].getElementsByTagName("float_array")[0].textContent.split(" "),n=o.length-(""==o[o.length-1]?1:0),a=new Array(n),l=0;l<n;l++)a[l]=parseFloat(o[l]);s[i[r].getAttribute("id")]=a}t.triangles=[];var A=e.getElementsByTagName("triangles");if(null==A)return t;for(r=0;r<A.length;r++){var h={},c=A[r];h.material=c.getAttribute("material");var u=c.getElementsByTagName("input"),d=[];for(l=0;l<u.length;l++){var p=u[l];a=[];d[parseInt(p.getAttribute("offset"))]=a;var f=p.getAttribute("semantic");h["s_"+f]="VERTEX"==f?e.getElementsByTagName("vertices")[0].getElementsByTagName("input")[0].getAttribute("source").substring(1):p.getAttribute("source").substring(1),h["i_"+f]=a,s[h["s_"+f]]}var g=c.getElementsByTagName("p")[0].textContent.split(" 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i=Os.bin.ril(e,2),s=6;s<i;){var r=Os.bin.rsl(e,s),o=Os.bin.ril(e,s+2);15677==r&&(t.edit=Os.parse.from3DS._edit3ds(e,s,o)),45056==r&&(t.keyf=Os.parse.from3DS._keyf3ds(e,s,o)),s+=o}return t},Os.parse.from3DS._edit3ds=function(e,t,i){for(var s={},r=t+6;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);16384==o&&(null==s.objects&&(s.objects=[]),s.objects.push(Os.parse.from3DS._edit_object(e,r,n))),r+=n}return s},Os.parse.from3DS._keyf3ds=function(e,t,i){for(var s={},r=t+6;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);45058==o&&(null==s.desc&&(s.desc=[]),s.desc.push(Os.parse.from3DS._keyf_objdes(e,r,n))),r+=n}return s},Os.parse.from3DS._keyf_objdes=function(e,t,i){for(var s={},r=t+6;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);45072==o&&(s.hierarchy=Os.parse.from3DS._keyf_objhierarch(e,r,n)),45073==o&&(s.dummy_name=Os.bin.rASCII0(e,r+6)),r+=n}return s},Os.parse.from3DS._keyf_objhierarch=function(e,t,i){var s={},r=t+6;return s.name=Os.bin.rASCII0(e,r),r+=s.name.length+1,s.hierarchy=Os.bin.rsl(e,r+4),s},Os.parse.from3DS._edit_object=function(e,t,i){var s={},r=t+6;for(s.name=Os.bin.rASCII0(e,r),r+=s.name.length+1;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);16640==o&&(s.mesh=Os.parse.from3DS._obj_trimesh(e,r,n)),r+=n}return s},Os.parse.from3DS._obj_trimesh=function(e,t,i){for(var s={},r=t+6;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);16656==o&&(s.vertices=Os.parse.from3DS._tri_vertexl(e,r,n)),16672==o&&(s.indices=Os.parse.from3DS._tri_facel1(e,r,n)),16704==o&&(s.uvt=Os.parse.from3DS._tri_mappingcoors(e,r,n)),16736==o&&(s.local=Os.parse.from3DS._tri_local(e,r,n)),r+=n}return s},Os.parse.from3DS._tri_vertexl=function(e,t,i){var s=[],r=t+6,o=Os.bin.rsl(e,r);r+=2;for(var n=0;n<o;n++)s.push(Os.bin.rf(e,r)),s.push(Os.bin.rf(e,r+4)),s.push(Os.bin.rf(e,r+8)),r+=12;return s},Os.parse.from3DS._tri_facel1=function(e,t,i){var s=[],r=t+6,o=Os.bin.rsl(e,r);r+=2;for(var n=0;n<o;n++)s.push(Os.bin.rsl(e,r)),s.push(Os.bin.rsl(e,r+2)),s.push(Os.bin.rsl(e,r+4)),r+=8;return s},Os.parse.from3DS._tri_mappingcoors=function(e,t,i){var s=[],r=t+6,o=Os.bin.rsl(e,r);r+=2;for(var n=0;n<o;n++)s.push(Os.bin.rf(e,r)),s.push(1-Os.bin.rf(e,r+4)),r+=8;return s},Os.parse.from3DS._tri_local=function(e,t,i){var s={},r=t+6;return s.X=[Os.bin.rf(e,r),Os.bin.rf(e,r+4),Os.bin.rf(e,r+8)],r+=12,s.Y=[Os.bin.rf(e,r),Os.bin.rf(e,r+4),Os.bin.rf(e,r+8)],r+=12,s.Z=[Os.bin.rf(e,r),Os.bin.rf(e,r+4),Os.bin.rf(e,r+8)],r+=12,s.C=[Os.bin.rf(e,r),Os.bin.rf(e,r+4),Os.bin.rf(e,r+8)],r+=12,s},Os.parse.fromBIV=function(e){e=new Uint8Array(e);var t={},i={};return i.id=Os.bin.ril(e,0),i.verS=Os.bin.ril(e,4),i.texS=Os.bin.ril(e,8),i.indS=Os.bin.ril(e,12),i.verO=Os.bin.ril(e,16),i.verL=Os.bin.ril(e,20),i.texO=Os.bin.ril(e,24),i.texL=Os.bin.ril(e,28),i.indO=Os.bin.ril(e,32),i.indL=Os.bin.ril(e,36),0!=i.verO&&(t.vertices=Os.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=Os.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=Os.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},Os.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var s=32;t<=65535&&(s=16);var r=40;e.vertices&&(r+=4*e.vertices.length),e.uvt&&(r+=4*e.uvt.length),e.indices&&(r+=e.indices.length*s/8);var o=new Uint8Array(r);Os.bin.wil(o,0,1769365870),Os.bin.wil(o,4,32),Os.bin.wil(o,8,32),Os.bin.wil(o,12,s);var n=40;return e.vertices&&(Os.bin.wil(o,16,n),Os.bin.wil(o,20,4*e.vertices.length),Os.parse.fromBIV._writeFloats(o,n,e.vertices),n+=4*e.vertices.length),e.uvt&&(Os.bin.wil(o,24,n),Os.bin.wil(o,28,4*e.uvt.length),Os.parse.fromBIV._writeFloats(o,n,e.uvt),n+=4*e.uvt.length),e.indices&&(Os.bin.wil(o,32,n),Os.bin.wil(o,36,4*e.indices.length),Os.parse.fromBIV._writeInts(o,n,e.indices,s)),o.buffer},Os.parse.fromBIV._readFloats=function(e,t,i){for(var s=[],r=0;r<i/4;r++)s.push(Os.bin.rf(e,t+4*r));return s},Os.parse.fromBIV._writeFloats=function(e,t,i){for(var s=0;s<i.length;s++)Os.bin.wf(e,t+4*s,i[s])},Os.parse.fromBIV._readInts=function(e,t,i,s){for(var r=[],o=0;o<i/4;o++)16==s&&r.push(Os.bin.rsl(e,t+2*o)),32==s&&r.push(Os.bin.ril(e,t+4*o));return r},Os.parse.fromBIV._writeInts=function(e,t,i,s){for(var r=0;r<i.length;r++)16==s&&Os.bin.wsl(e,t+2*r,i[r]),32==s&&Os.bin.wil(e,t+4*r,i[r])},Os.gen={},Os.gen.Plane=function(e,t,i,s){i||(i=1),s||(s=1);for(var r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},Os.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},Os.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},Os.mat={},Os.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},Os.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},Os.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return Os.mat.rotate(e*s,t*s,i*s)},Os.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},Os.edit={},Os.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},Os.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},Os.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},Os.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},Os.utils={},Os.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class js extends D{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=c.vec3(t.pos||[0,0,0]),this._up=c.vec3(t.up||[0,1,0]),this._normal=c.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=c.vec3(),this._rtcPos=c.vec3(),this._imageSize=c.vec2(),this._texture=new Ts(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new ms(this,{matrix:c.inverseMat4(c.lookAtMat4v(this._pos,c.subVec3(this._pos,this._normal,c.mat4()),this._up,c.mat4())),children:[this._bitmapMesh=new ts(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new zt(this,Qs({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new Yt(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const Gs=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},zs=c.vec3(),Ws=c.vec3(),Ks=c.vec3();class Xs{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!Gs(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];zs[0]=e[r],zs[1]=e[r+1],zs[2]=e[r+2],Ws[0]=e[o],Ws[1]=e[o+1],Ws[2]=e[o+2],Ks[0]=e[n],Ks[1]=e[n+1],Ks[2]=e[n+2],c.cross3Vec3(zs,Ws,zs),i+=c.dotVec3(zs,Ks)}return i/6}}const Js=new Xs,Ys=c.vec3(),Zs=c.vec3(),qs=c.vec3(),$s=c.vec3(),er=c.vec3(),tr=c.vec3();class ir{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Ys[0]=e[r],Ys[1]=e[r+1],Ys[2]=e[r+2],Zs[0]=e[o],Zs[1]=e[o+1],Zs[2]=e[o+2],qs[0]=e[n],qs[1]=e[n+1],qs[2]=e[n+2],c.subVec3(Ys,Zs,$s),c.subVec3(qs,Zs,er),i+=.5*c.lenVec3(c.cross3Vec3($s,er,tr))}return i}}const sr=new ir,rr=c.OBB3(),or=c.OBB3(),nr=c.OBB3();class ar{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=c.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Js.reset(),Js.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{Js.addVertex(e)})),this.getEachIndex((e=>{Js.addIndex(e)})),this._volume=Js.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":sr.reset(),this.getEachVertex((e=>{sr.addVertex(e)})),this.getEachIndex((e=>{sr.addIndex(e)})),this._surfaceArea=sr.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);const t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}get aabb(){return this._aabbWorldDirty&&(c.AABB3ToOBB3(this._aabbLocal,rr),this.transform?(c.transformOBB3(this.transform.worldMatrix,rr,or),c.transformOBB3(this.model.worldMatrix,or,nr),c.OBB3ToAABB3(nr,this._aabbWorld)):(c.transformOBB3(this.model.worldMatrix,rr,or),c.OBB3ToAABB3(or,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const lr=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let Ar=0;const hr={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},cr=new Float32Array([1,1,1,1]),ur=new Float32Array([0,0,0,1]),dr=c.vec4(),pr=c.vec3(),fr=c.vec3(),gr=c.mat4();class mr{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const r=this._uSectionPlanes[t];if(r)if(t<n){const o=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(r.active,o?1:0),o){const o=a[t],n=e._state.origin;if(n){const e=J(o.dist,o.dir,n,pr,s.matrix);i.uniform3fv(r.pos,e)}else i.uniform3fv(r.pos,o.pos);i.uniform3fv(r.dir,o.dir)}}else i.uniform1i(r.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=Te.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:u,positionsDecodeMatrix:d}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,worldNormalMatrix:x}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let B=0;const w=16;this._matricesUniformBlockBufferData.set(y,0);const P=0!==u[0]||0!==u[1]||0!==u[2],C=0!==b[0]||0!==b[1]||0!==b[2];if(P||C){const e=pr;if(P){const t=c.transformPoint3(y,u,fr);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(W(v,e,gr),B+=w)}else this._matricesUniformBlockBufferData.set(v,B+=w);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,B+=w),this._matricesUniformBlockBufferData.set(d,B+=w),this._matricesUniformBlockBufferData.set(x,B+=w),this._matricesUniformBlockBufferData.set(m,B+=w),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;dr[0]=i,dr[1]=s,dr[2]=t.blendCutoff,dr[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,dr),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===hr[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===hr[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===hr[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?ur:cr)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,p.memory.programs--}}class _r extends mr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class vr extends _r{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class br extends _r{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class yr extends _r{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class xr extends _r{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class Br extends xr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class wr extends xr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Pr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Cr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Mr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Er extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Fr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class Ir extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Dr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class Sr extends _r{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Tr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Rr extends _r{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Lr=c.vec3(),Ur=c.vec3(),Or=c.vec3(),kr=c.vec3(),Nr=c.mat4();class Qr extends mr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Lr;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ur;if(l){const e=Or;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Nr),g=kr,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Vr=c.vec3(),Hr=c.vec3(),jr=c.vec3(),Gr=c.vec3(),zr=c.mat4();class Wr extends mr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Vr;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Hr;if(l){const e=jr;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,zr),g=Gr,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Kr{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new yr(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Pr(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Cr(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Qr(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Wr(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new vr(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new vr(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new br(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new br(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Rr(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Rr(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Rr(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Rr(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Sr(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Sr(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new yr(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Fr(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Ir(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Br(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new wr(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Pr(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Mr(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Tr(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Cr(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Er(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Dr(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Wr(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Qr(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Xr={};let Jr=65536,Yr=5e6;class Zr{constructor(){}set doublePrecisionEnabled(e){c.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return c.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Jr=e}get maxDataTextureHeight(){return Jr}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Yr=e}get maxGeometryBatchSize(){return Yr}}const qr=new Zr;class $r{constructor(e=qr.maxGeometryBatchSize){this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const eo=c.mat4(),to=c.mat4();function io(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,u=65525,d=u/l,p=u/A,f=u/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*d),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return c.identityMat4(eo),c.translationMat4v(t,eo),c.identityMat4(to),c.scalingMat4v([l/u,A/u,h/u],to),c.mulMat4(eo,to,i),r}function so(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return c.identityMat4(eo),c.translationMat4v(e,eo),c.identityMat4(to),c.scalingMat4v([o/l,n/l,a/l],to),c.mulMat4(eo,to,t),t}function ro(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function oo(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const no=c.mat4(),ao=c.mat4(),lo=c.vec4([0,0,0,1]),Ao=c.vec3(),ho=c.vec3(),co=c.vec3(),uo=c.vec3(),po=c.vec3(),fo=c.vec3(),go=c.vec3();class mo{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Xr[t];return i||(i=new Kr(e),Xr[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Xr[t],i._destroy()}))),i}(e.model.scene),this._buffer=new $r(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new At({origin:c.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=c.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=c.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,u=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let x;if(c.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";x=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";x=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=no;m?c.inverseMat4(c.transposeMat4(m,ao),e):c.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,u,d=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(u=0;u<i;u+=3)d[0]=t[u],d[1]=t[u+1],d[2]=t[u+2],c.transformVec3(e,d,p),c.normalizeVec3(p,p),l=n=ro(p,"floor","floor"),a=oo(n),A=h=o(p,a),n=ro(p,"ceil","floor"),a=oo(n),A=o(p,a),A>h&&(l=n,h=A),n=ro(p,"floor","ceil"),a=oo(n),A=o(p,a),A>h&&(l=n,h=A),n=ro(p,"ceil","ceil"),a=oo(n),A=o(p,a),A>h&&(l=n,h=A),s[r+u+0]=l[0],s[r+u+1]=l[1],s[r+u+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(d){const e=d[0],t=d[1],i=d[2],s=g;for(let r=0;r<x;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const B=null!=p?p:0,w=null!=f?f:255;for(let e=0;e<x;e++)b.metallicRoughness.push(B),b.metallicRoughness.push(w);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(u)for(let e=0,t=u.length;e<t;e++)b.edgeIndices.push(y+u[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*x;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<x;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const P=this._portions.length,C={vertsBaseIndex:y,numVerts:x,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),P}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):io(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=c.mat4());if(e.positionsBuf=new je(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new je(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new je(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new je(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=Ht.getUVBounds(i.uv),r=Ht.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=c.mat3(r.decodeMatrix),e.uvBuf=new je(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new je(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new je(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new je(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new je(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&Y),A=!!(t&te),h=!!(t&ie),c=!!(t&se),u=!!(t&re),d=!!(t&q),p=!!(t&Z);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,g=!l||p?hr.NOT_RENDERED:c?hr.SILHOUETTE_SELECTED:h?hr.SILHOUETTE_HIGHLIGHTED:A?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let m=0;m=!l||p?hr.NOT_RENDERED:c?hr.EDGES_SELECTED:h?hr.EDGES_HIGHLIGHTED:A?hr.EDGES_XRAYED:u?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let _=l&&!p&&d?hr.PICK:hr.NOT_RENDERED;const v=t&$?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=this.model.matrix,n=c.vec4();n.set(i.origin,0),n[3]=1,c.mulMat4v4(o,n,n);const a=n[0],l=n[1],A=n[2],h=lo,u=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)h[0]=r[e],h[1]=r[e+1],h[2]=r[e+2],h[3]=1,c.decompressPosition(h,u),h[3]=1,c.mulMat4v4(o,h,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,hr.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,hr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,u=Ao,d=ho;u.set(A?c.subVec3(t,A,co):t),d.set(i),h&&c.subVec3(u,h),c.transformRay(this.model.worldNormalMatrix,u,d,u,d);const p=uo,f=po,g=fo;let m=!1,_=0;const v=go;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],c.decompressPosition(p,o.positionsDecodeMatrix),c.decompressPosition(f,o.positionsDecodeMatrix),c.decompressPosition(g,o.positionsDecodeMatrix),c.rayTriangleIntersect(u,d,p,f,g,v)){c.transformPoint3(this.model.worldMatrix,v,v),h&&c.addVec3(v,h),A&&c.addVec3(v,A);const e=Math.abs(c.lenVec3(c.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&c.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class _o extends mr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class vo extends _o{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class bo extends _o{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class yo extends _o{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class xo extends _o{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class Bo extends xo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class wo extends xo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Po extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class Co extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Mo extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Eo extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Fo extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class Io extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Do extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const So={3e3:"linearToLinear",3001:"sRGBToLinear"};class To extends _o{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+So[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+So[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Ro extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Lo extends _o{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Uo=c.vec3(),Oo=c.vec3(),ko=c.vec3(),No=c.vec3(),Qo=c.mat4();class Vo extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Uo;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Oo;if(l){const e=c.transformPoint3(h,l,ko);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Qo),g=No,g[0]=n.eye[0]-t[0],g[1]=n.eye[1]-t[1],g[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,g),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ho=c.vec3(),jo=c.vec3(),Go=c.vec3(),zo=c.vec3(),Wo=c.mat4();class Ko extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ho;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=jo;if(l){const e=c.transformPoint3(h,l,Go);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Wo),g=zo,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Xo{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new yo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Po(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Co(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Vo(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ko(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new vo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new vo(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new bo(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new bo(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Lo(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Lo(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Lo(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Lo(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new To(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new To(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new yo(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Fo(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Io(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Bo(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new wo(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Po(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Mo(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Ro(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Co(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Eo(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Do(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ko(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Vo(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Jo={};const Yo=new Uint8Array(4),Zo=new Float32Array(1),qo=c.vec4([0,0,0,1]),$o=new Float32Array(3),en=c.vec3(),tn=c.vec3(),sn=c.vec3(),rn=c.vec3(),on=c.vec3(),nn=c.vec3(),an=c.vec3(),ln=new Float32Array(4);class An{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Jo[t];return i||(i=new Xo(e),Jo[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Jo[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new At({numInstances:0,obb:c.OBB3(),origin:c.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=c.transposeMat4(n,c.mat4()),t=c.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const u=this._portions.length,d={};return this.model.scene.readableGeometryEnabled&&(d.matrix=n.slice(),d.inverseMatrix=null,d.normalMatrix=null),this._portions.push(d),this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new je(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new je(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new je(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new je(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=c.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new je(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new je(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new je(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),"triangles"!==t.primitive&&"solid"!==t.primitive&&"surface"!==t.primitive||(e.edgeIndicesBuf=new je(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new je(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Yo[0]=t[0],Yo[1]=t[1],Yo[2]=t[2],Yo[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Yo,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&Y),r=!!(t&te),o=!!(t&ie),n=!!(t&se),a=!!(t&re),l=!!(t&q),A=!!(t&Z);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,c=!s||A?hr.NOT_RENDERED:n?hr.SILHOUETTE_SELECTED:o?hr.SILHOUETTE_HIGHLIGHTED:r?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let u=0;u=!s||A?hr.NOT_RENDERED:n?hr.EDGES_SELECTED:o?hr.EDGES_HIGHLIGHTED:r?hr.EDGES_XRAYED:a?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?hr.PICK:hr.NOT_RENDERED)<<12,d|=(t&$?1:0)<<16,Zo[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Zo,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?($o[0]=t[0],$o[1]=t[1],$o[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData($o,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=this.model.matrix,a=c.vec4();a.set(i.origin,0),a[3]=1,c.mulMat4v4(n,a,a);const l=a[0],A=a[1],h=a[2],u=qo,d=r.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)u[0]=o[e],u[1]=o[e+1],u[2]=o[e+2],c.decompressPosition(u,p),c.transformPoint3(d,u,u),u[3]=1,c.mulMat4v4(n,u,u),u[0]+=l,u[1]+=A,u[2]+=h,t(u)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;ln[0]=t[0],ln[1]=t[4],ln[2]=t[8],ln[3]=t[12],this._state.modelMatrixCol0Buf.setData(ln,i),ln[0]=t[1],ln[1]=t[5],ln[2]=t[9],ln[3]=t[13],this._state.modelMatrixCol1Buf.setData(ln,i),ln[0]=t[2],ln[1]=t[6],ln[2]=t[10],ln[3]=t[14],this._state.modelMatrixCol2Buf.setData(ln,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,hr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=c.inverseMat4(a.matrix,c.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=c.transposeMat4(a.inverseMatrix,c.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,u=a.offset,d=en,p=tn;d.set(h?c.subVec3(t,h,sn):t),p.set(i),u&&c.subVec3(d,u),c.transformRay(this.model.worldNormalMatrix,d,p,d,p),c.transformRay(a.inverseMatrix,d,p,d,p);const f=rn,g=on,m=nn;let _=!1,v=0;const b=an;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:x}=n.geometry;if(c.decompressPosition(f,x),c.decompressPosition(g,x),c.decompressPosition(m,x),c.rayTriangleIntersect(d,p,f,g,m,b)){c.transformPoint3(a.matrix,b,b),c.transformPoint3(this.model.worldMatrix,b,b),u&&c.addVec3(b,u),h&&c.addVec3(b,h);const e=Math.abs(c.lenVec3(c.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&c.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(c.transformVec3(a.normalMatrix,r,r),c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class hn extends mr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class cn extends hn{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class un extends hn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const dn=c.vec3(),pn=c.vec3(),fn=c.vec3(),gn=c.vec3(),mn=c.mat4();class _n extends mr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=dn;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=pn;if(l){const e=fn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,mn),g=gn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const vn=c.vec3(),bn=c.vec3(),yn=c.vec3(),xn=c.vec3(),Bn=c.mat4();class wn extends mr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=vn;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=bn;if(l){const e=yn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Bn),g=xn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Pn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new cn(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new un(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new _n(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new wn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Cn={};class Mn{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class En{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Cn[t];return i||(i=new Pn(e),Cn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Cn[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new Mn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new At({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(c.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new je(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=io(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new je(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new je(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new je(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new je(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&Y),l=!!(t&te),A=!!(t&ie),h=!!(t&se),c=!!(t&q),u=!!(t&Z);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,p=!a||u?hr.NOT_RENDERED:h?hr.SILHOUETTE_SELECTED:A?hr.SILHOUETTE_HIGHLIGHTED:l?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let f=a&&!u&&c?hr.PICK:hr.NOT_RENDERED;const g=t&$?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class Fn extends mr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class In extends Fn{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Dn extends Fn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Sn=c.vec3(),Tn=c.vec3(),Rn=c.vec3();c.vec3();const Ln=c.mat4();class Un extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Sn;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Tn;if(l){const e=c.transformPoint3(h,l,Rn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Ln),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const On=c.vec3(),kn=c.vec3(),Nn=c.vec3();c.vec3();const Qn=c.mat4();class Vn extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=On;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=kn;if(l){const e=c.transformPoint3(h,l,Nn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Qn),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Hn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new Un(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Vn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new In(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Dn(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Un(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Vn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const jn={};const Gn=new Uint8Array(4),zn=new Float32Array(1),Wn=new Float32Array(3),Kn=new Float32Array(4);class Xn{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=jn[t];return i||(i=new Hn(e),jn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete jn[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new At({obb:c.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=c.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new je(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new je(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new je(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=c.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new je(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Gn[0]=t[0],Gn[1]=t[1],Gn[2]=t[2],Gn[3]=t[3],this._state.colorsBuf.setData(Gn,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&Y),r=!!(t&te),o=!!(t&ie),n=!!(t&se),a=!!(t&re),l=!!(t&q),A=!!(t&Z);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,c=!s||A?hr.NOT_RENDERED:n?hr.SILHOUETTE_SELECTED:o?hr.SILHOUETTE_HIGHLIGHTED:r?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let u=0;u=!s||A?hr.NOT_RENDERED:n?hr.EDGES_SELECTED:o?hr.EDGES_HIGHLIGHTED:r?hr.EDGES_XRAYED:a?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?hr.PICK:hr.NOT_RENDERED)<<12,d|=(t&$?255:0)<<16,zn[0]=d,this._state.flagsBuf.setData(zn,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Wn[0]=t[0],Wn[1]=t[1],Wn[2]=t[2],this._state.offsetsBuf.setData(Wn,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;Kn[0]=t[0],Kn[1]=t[4],Kn[2]=t[8],Kn[3]=t[12],this._state.modelMatrixCol0Buf.setData(Kn,i),Kn[0]=t[1],Kn[1]=t[5],Kn[2]=t[9],Kn[3]=t[13],this._state.modelMatrixCol1Buf.setData(Kn,i),Kn[0]=t[2],Kn[1]=t[6],Kn[2]=t[10],Kn[3]=t[14],this._state.modelMatrixCol2Buf.setData(Kn,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class Jn extends mr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class Yn extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Zn extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class qn extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class $n extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class ea extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const ta=c.vec3(),ia=c.vec3(),sa=c.vec3(),ra=c.vec3(),oa=c.mat4();class na extends mr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ta;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ia;if(l){const e=sa;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,oa),g=ra,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform1f(this._uPointSize,1);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const aa=c.vec3(),la=c.vec3(),Aa=c.vec3(),ha=c.vec3(),ca=c.mat4();class ua extends mr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=aa;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=la;if(l){const e=Aa;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,ca),g=ha,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class da{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Yn(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Zn(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new qn(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new $n(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ea(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new na(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new ua(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const pa={};class fa{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=pa[t];return i||(i=new da(e),pa[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete pa[t],i._destroy()}))),i}(e.model.scene);const t=e.maxGeometryBatchSize||5e6,i=function(){const e=[];return{append:function(t,i=1,s=1){e.push({data:t,times:i,denormalizeScale:s})},compileBuffer:function(t){let i=0;e.forEach((e=>{i+=e.times*e.data.length}));const s=new t(i);let r=0;return e.forEach((e=>{const t=e.data,i=e.denormalizeScale,o=s.subarray(r);if(1===i)o.set(t,0);else for(let e=0;e<t.length;++e)o[e]=t[e]*i;let n=t.length;const a=e.times*t.length;for(;n<a;){const e=Math.min(n,a-n);o.set(o.subarray(0,e),n),n+=e}r+=n})),s}}};this._buffer={maxVerts:t,positions:i(),colors:i(),pickColors:i(),vertsIndex:0},this._scratchMemory=e.scratchMemory,this._state=new At({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin))}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=this._buffer,s=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!s)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(s);const r=s.length/3,o=t.color,n=t.colorsCompressed,a=t.colors,l=t.pickColor;n?i.colors.append(n):a?i.colors.append(a,1,255):o&&i.colors.append([o[0],o[1],o[2],1],r),i.pickColors.append(l.slice(0,4),r),c.expandAABB3(this._modelAABB,t.aabb);const A=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(r),this._buffer.vertsIndex+=r,this._numPortions++,this.model.numPortions++,this._meshes.push(e),A}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,s=(e,i,s)=>e.length>0?new je(t,t.ARRAY_BUFFER,e,e.length,i,s):null,r=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):io(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=s(r,3,t.STATIC_DRAW),e.flagsBuf=s(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=s(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=s(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?s(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&Y),l=!!(t&te),A=!!(t&ie),h=!!(t&se),c=!!(t&q),u=!!(t&Z);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,p=!a||u?hr.NOT_RENDERED:h?hr.SILHOUETTE_SELECTED:A?hr.SILHOUETTE_HIGHLIGHTED:l?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let f=a&&!u&&c?hr.PICK:hr.NOT_RENDERED;const g=t&$?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class ga extends mr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class ma extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class _a extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class va extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class ba extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class ya extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class xa extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Ba extends ga{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const wa=c.vec3(),Pa=c.vec3(),Ca=c.vec3();c.vec3();const Ma=c.mat4();class Ea extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=wa;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Pa;if(l){const e=c.transformPoint3(h,l,Ca);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Ma),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Fa=c.vec3(),Ia=c.vec3(),Da=c.vec3();c.vec3();const Sa=c.mat4();class Ta extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Fa;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ia;if(l){const e=c.transformPoint3(h,l,Da);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Sa),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ra{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ma(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new _a(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new xa(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new va(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ba(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ya(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Ba(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ea(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ta(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const La={};const Ua=new Uint8Array(4),Oa=new Float32Array(1),ka=new Float32Array(3),Na=new Float32Array(4);class Qa{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=La[t];return i||(i=new Ra(e),La[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete La[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new At({obb:c.OBB3(),numInstances:0,origin:e.origin?c.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new je(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=c.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new je(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new je(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Ua[0]=t[0],Ua[1]=t[1],Ua[2]=t[2],this._state.colorsBuf.setData(Ua,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&Y),r=!!(t&te),o=!!(t&ie),n=!!(t&se),a=!!(t&re),l=!!(t&q),A=!!(t&Z);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,c=!s||A?hr.NOT_RENDERED:n?hr.SILHOUETTE_SELECTED:o?hr.SILHOUETTE_HIGHLIGHTED:r?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let u=0;u=!s||A?hr.NOT_RENDERED:n?hr.EDGES_SELECTED:o?hr.EDGES_HIGHLIGHTED:r?hr.EDGES_XRAYED:a?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?hr.PICK:hr.NOT_RENDERED)<<12,d|=(t&$?255:0)<<16,Oa[0]=d,this._state.flagsBuf.setData(Oa,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(ka[0]=t[0],ka[1]=t[1],ka[2]=t[2],this._state.offsetsBuf.setData(ka,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;Na[0]=t[0],Na[1]=t[4],Na[2]=t[8],Na[3]=t[12],this._state.modelMatrixCol0Buf.setData(Na,i),Na[0]=t[1],Na[1]=t[5],Na[2]=t[9],Na[3]=t[13],this._state.modelMatrixCol1Buf.setData(Na,i),Na[0]=t[2],Na[1]=t[6],Na[2]=t[10],Na[3]=t[14],this._state.modelMatrixCol2Buf.setData(Na,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const Va=c.vec3(),Ha=c.vec3(),ja=c.mat4();class Ga{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o,d=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Va;if(f){const t=c.transformPoint3(u,A,Ha);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,ja)}else p=d;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Va,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class za{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Ga(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const Wa={};class Ka{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class Xa{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class Ja{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const Ya={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Ya,null,4));let e=0;Object.keys(Ya).forEach((t=>{t.startsWith("size")&&(e+=Ya[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Ya.totalLines).toFixed(2)}`);let t={};Object.keys(Ya).forEach((i=>{i.startsWith("size")&&(t[i]=`${(Ya[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class Za{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);Ya.sizeDataColorsAndFlags+=l.byteLength,Ya.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);Ya.sizeDataTextureOffsets+=r.byteLength,Ya.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Ya.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Ya.sizeDataPositionDecodeMatrices+=o.byteLength,Ya.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);Ya.sizeDataTextureIndices+=o.byteLength,Ya.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);Ya.sizeDataTextureIndices+=o.byteLength,Ya.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);Ya.sizeDataTextureIndices+=o.byteLength,Ya.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);Ya.sizeDataTexturePositions+=n.byteLength,Ya.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),Ya.sizeDataTexturePortionIds+=o.byteLength,Ya.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}}const qa=new Zr,$a=qa.maxDataTextureHeight,el=new Float32Array(16),tl=new Uint8Array(4),il=new Float32Array(3);let sl=0;const rl=c.identityMat4();class ol{constructor(e,t){Ya.numberOfLayers++,this._layerNumber=sl++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=Wa[t];return i||(i=new za(e),Wa[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Wa[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new Ka,this._dataTextureState=new Xa,this._dataTextureGenerator=new Za,this._state=new At({origin:c.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Ya.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*$a||t+r>4096*$a)&&Ya.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*$a&&t+r<=4096*$a}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;Ya.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,Ya.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||rl),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,Ya.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,Ya.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,Ya.totalLines32Bits+=t.numLines),Ya.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,Ya.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;tl[0]=t[0],tl[1]=t[1],tl[2]=t[2],tl[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(tl,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,tl))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&Y),o=!!(t&te),n=!!(t&Z);let a,l;a=!r||n||o?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,l=!r||n?hr.NOT_RENDERED:!!(t&se)?hr.SILHOUETTE_SELECTED:!!(t&ie)?hr.SILHOUETTE_HIGHLIGHTED:o?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let A=r&&!n&&!!(t&q)?hr.PICK:hr.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;tl[0]=a,tl[1]=l,tl[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(tl,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,tl))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&$?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;tl[0]=s,tl[1]=0,tl[2]=1,tl[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(tl,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,tl))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;il[0]=t[0],il[1]=t[1],il[2]=t[2],i.texturePerObjectOffsets._textureData.set(il,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,il))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;el.set(t),i.texturePerObjectInstanceMatrices._textureData.set(el,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,el))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const nl=c.vec3(),al=c.vec3(),ll=c.vec3();c.vec3();const Al=c.vec4(),hl=c.mat4();class cl{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=nl;if(f){const t=c.transformPoint3(u,A,al);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],d=W(r.viewMatrix,e,hl),p=ll,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else d=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,nl,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new He(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;Al[0]=t,Al[1]=r,Al[2]=s.blendCutoff,Al[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,Al),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ul=new Float32Array([1,1,1]),dl=c.vec3(),pl=c.vec3(),fl=c.vec3();c.vec3();const gl=c.mat4();class ml{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o,d=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=dl;if(A){const t=pl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,gl),f=fl,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=d,f=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===hr.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===hr.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===hr.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,ul);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,r=o.renderFlags;for(let t=0;t<g;t++){const s=this._uSectionPlanes[t];if(s)if(t<m){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,dl,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const _l=new Float32Array([0,0,0,1]),vl=c.vec3(),bl=c.vec3();c.vec3();const yl=c.mat4();class xl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=vl;if(f){const t=c.transformPoint3(u,A,bl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,yl)}else p=d;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===hr.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===hr.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===hr.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,_l);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,vl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Bl=c.vec3(),wl=c.vec3(),Pl=c.mat4();class Cl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Bl;if(f){const t=c.transformPoint3(u,A,wl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,Pl)}else p=d;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Bl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ml=c.vec3(),El=c.vec3(),Fl=c.vec3(),Il=c.mat4();class Dl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=Ml;if(v){const t=c.transformPoint3(u,A,El);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=W(d,e,Il),_=Fl,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=d,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const r=this._uSectionPlanes[t];if(r)if(t<x){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Ml,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Sl=c.vec3(),Tl=c.vec3(),Rl=c.vec3();c.vec3();const Ll=c.mat4();class Ul{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Sl;if(A){const e=Tl;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=W(d,t,Ll),_=Rl,_[0]=f[0]-t[0],_[1]=f[1]-t[1],_[2]=f[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=d,_=f,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const v=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(v>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*b,o=s.renderFlags;for(let t=0;t<v;t++){const r=this._uSectionPlanes[t];if(r)if(t<b){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Sl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ol=c.vec3(),kl=c.vec3(),Nl=c.vec3(),Ql=c.vec3();c.vec3();const Vl=c.mat4();class Hl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=Ol;let g,m;f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=kl;if(_){const e=c.transformPoint3(u,A,Nl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=W(p,t,Vl),m=Ql,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Ol,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}const x="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(x,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(x,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(x,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const jl=c.vec3(),Gl=c.vec3(),zl=c.vec3(),Wl=c.vec3();c.vec3();const Kl=c.mat4();class Xl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=jl;let g,m;f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=Gl;if(_){const e=zl;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=W(p,t,Kl),m=Wl,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,jl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Jl=c.vec3(),Yl=c.vec3(),Zl=c.vec3();c.vec3();const ql=c.mat4();class $l{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Jl;if(A){const t=Yl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,ql),f=Zl,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=d,f=o.eye;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const g=r._sectionPlanesState.getNumAllocatedSectionPlanes(),m=r._sectionPlanesState.sectionPlanes.length;if(g>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,o=s.renderFlags;for(let t=0;t<g;t++){const r=this._uSectionPlanes[t];if(r)if(t<m){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Jl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const eA=c.vec3(),tA=c.vec3(),iA=c.vec3();c.vec3();const sA=c.mat4();class rA{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=eA;if(f){const t=c.transformPoint3(u,A,tA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],d=W(r.viewMatrix,e,sA),p=iA,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else d=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,eA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const oA=c.vec3(),nA=c.vec3(),aA=c.vec3();c.vec3();const lA=c.mat4();class AA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const f=0!==l[0]||0!==l[1]||0!==l[2],g=0!==A[0]||0!==A[1]||0!==A[2];if(f||g){const e=oA;if(f){const t=nA;c.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],d=W(u,e,lA),p=aA,p[0]=o.eye[0]-e[0],p[1]=o.eye[1]-e[1],p[2]=o.eye[2]-e[2]}else d=u,p=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,h),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(l){const e=J(i.dist,i.dir,l,oA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Te.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const hA=c.vec3(),cA=c.vec3(),uA=c.vec3();c.vec3(),c.vec4();const dA=c.mat4();class pA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));const d=e.pickViewMatrix||r.viewMatrix,p=e.pickProjMatrix||r.projMatrix,f=e.pickOrigin||r.eye,g=e.pickProjMatrix?e.pickZFar:r.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=hA;if(v){const t=c.transformPoint3(u,A,cA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=W(d,e,dA),_=uA,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=d,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=s._sectionPlanesState.getNumAllocatedSectionPlanes(),x=s._sectionPlanesState.sectionPlanes.length;if(y>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,r=o.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,hA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class fA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new ml(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Dl(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Ul(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new pA(this._scene)),this._snapRenderer||(this._snapRenderer=new Hl(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Xl(this._scene)),this._snapRenderer||(this._snapRenderer=new Hl(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new cl(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new cl(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ml(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new rA(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new AA(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new xl(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Cl(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Dl(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new pA(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new pA(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Ul(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Hl(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Xl(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new $l(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const gA={};class mA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class _A{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const vA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(vA,null,4));let e=0;Object.keys(vA).forEach((t=>{t.startsWith("size")&&(e+=vA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/vA.totalPolygons).toFixed(2)}`);let t={};Object.keys(vA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(vA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class bA{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);vA.sizeDataColorsAndFlags+=h.byteLength,vA.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);vA.sizeDataTextureOffsets+=r.byteLength,vA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);vA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);vA.sizeDataPositionDecodeMatrices+=o.byteLength,vA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);vA.sizeDataTextureIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);vA.sizeDataTextureIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);vA.sizeDataTextureIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);vA.sizeDataTextureEdgeIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);vA.sizeDataTextureEdgeIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);vA.sizeDataTextureEdgeIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);vA.sizeDataTexturePositions+=n.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),vA.sizeDataTexturePortionIds+=o.byteLength,vA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}}const yA=new Zr,xA=yA.maxDataTextureHeight,BA=c.vec4(),wA=new Float32Array(16),PA=new Uint8Array(4),CA=new Float32Array(3);let MA=0;const EA=c.identityMat4();class FA{constructor(e,t){vA.numberOfLayers++,this._layerNumber=MA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=gA[t];return i||(i=new fA(e),gA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete gA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new mA,this._dtxState=new _A,this._dtxTextureFactory=new bA,this._state=new At({origin:c.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&vA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*xA||t+r>4096*xA)&&vA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*xA&&t+r<=4096*xA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;vA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;vA.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,vA.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||EA),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,vA.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,vA.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,vA.totalPolygons32Bits+=t.numTriangles),vA.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,vA.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,vA.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,vA.totalEdges32Bits+=t.numEdges),vA.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,vA.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;PA[0]=t[0],PA[1]=t[1],PA[2]=t[2],PA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(PA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,PA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&Y),o=!!(t&te),n=!!(t&ie),a=!!(t&se),l=!!(t&re),A=!!(t&q),h=!!(t&Z);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,u=!r||h?hr.NOT_RENDERED:a?hr.SILHOUETTE_SELECTED:n?hr.SILHOUETTE_HIGHLIGHTED:o?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let d=0;d=!r||h?hr.NOT_RENDERED:a?hr.EDGES_SELECTED:n?hr.EDGES_HIGHLIGHTED:o?hr.EDGES_XRAYED:l?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let p=r&&!h&&A?hr.PICK:hr.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;PA[0]=c,PA[1]=u,PA[2]=d,PA[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(PA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,PA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&$?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;PA[0]=s,PA[1]=0,PA[2]=1,PA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(PA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,PA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;CA[0]=t[0],CA[1]=t[1],CA[2]=t[2],i.texturePerObjectOffsets._textureData.set(CA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,CA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;wA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(wA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,wA))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],u=l[2],d=BA;for(let e=0,i=n.length;e<i;e+=3)d[0]=n[e],d[1]=n[e+1],d[2]=n[e+2],d[3]=1,c.decompressPosition(d,a),c.transformPoint4(this.model.worldMatrix,d,d),c.transformPoint4(this.model.worldMatrix,d,d),d[0]+=A,d[1]+=h,d[2]+=u,t(d)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,hr.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class IA{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class DA{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const SA={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class TA{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const RA=new TA;class LA{constructor(e){this.manager=void 0!==e?e:RA,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const UA={};class OA extends LA{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=SA.get(e);if(void 0!==r)return this.manager.itemStart(e),M.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==UA[e])return void UA[e].push({onLoad:t,onProgress:i,onError:s});UA[e]=[],UA[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=UA[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{SA.add(e,t);const i=UA[e];delete UA[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=UA[e];if(void 0===i)throw this.manager.itemError(e),t;delete UA[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class kA{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let NA=0;class QA{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new kA,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new OA;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new OA;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=QA.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(QA.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(QA.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(QA.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),NA>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),NA++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),NA--}}QA.BasisFormat={ETC1S:0,UASTC_4x4:1},QA.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},QA.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},QA.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const VA={};function HA(e){const t=e.scene.id;let i=VA[t];return i||(i=new QA({viewer:e}),VA[t]=i,e.scene.on("destroyed",(()=>{delete VA[t],i.destroy()}))),i}
+"use strict";Object.defineProperty(exports,"__esModule",{value:!0});class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}let o=!0,n=o?Float64Array:Float32Array;const a=new n(3),l=new n(16),A=new n(16),h=new 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i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=a*d+l*g+A*v,i[4]=a*p+l*m+A*b,i[7]=a*f+l*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=c.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,x=s*A-o*a,B=r*A-o*l,w=h*f-c*p,P=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-x*P+B*w);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*B-g*x+m*y)*I,t[3]=(-c*B+u*x-d*y)*I,t[4]=(-n*F+l*C-A*P)*I,t[5]=(i*F-r*C+o*P)*I,t[6]=(-p*B+g*b-m*v)*I,t[7]=(h*B-u*b+d*v)*I,t[8]=(n*E-a*C+A*w)*I,t[9]=(-i*E+s*C-o*w)*I,t[10]=(p*x-f*b+m*_)*I,t[11]=(-h*x+c*b-d*_)*I,t[12]=(-n*M+a*P-l*w)*I,t[13]=(i*M-s*P+r*w)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||c.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||c.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.translationMat4v(e,r))})(),translationMat4s:(e,t)=>c.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>c.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=c.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,u,d,p,f,g;return h=a*l,u=l*A,d=A*a,p=a*r,f=l*r,g=A*r,(i=i||c.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*d-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*u+p,i[7]=0,i[8]=n*d+f,i[9]=n*u-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>c.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=c.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=c.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>c.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=c.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,u=s*l,d=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=u+v,i[2]=d-_,i[3]=0,i[4]=u-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=d+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=c.vec4()){const s=c.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],u=e[6],d=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,d),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(u,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,d),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(-h,d),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(u,d),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,d))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(u,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,d),i[1]=0)),i},composeMat4:(e,t,i,s=c.mat4())=>(c.quaternionToRotationMat4(t,s),c.scaleMat4v(i,s),c.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new n(3),t=new n(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=c.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=c.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=c.lenVec3(e);c.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,u=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=u,t[9]*=u,t[10]*=u,c.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=c.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],u=t[1],d=t[2];if(r===h&&o===u&&n===d)return c.identityMat4();let p,f,g,m,_,v,b,y,x,B;return p=r-h,f=o-u,g=n-d,B=1/Math.sqrt(p*p+f*f+g*g),p*=B,f*=B,g*=B,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,B=Math.sqrt(m*m+_*_+v*v),B?(B=1/B,m*=B,_*=B,v*=B):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,x=p*_-f*m,B=Math.sqrt(b*b+y*y+x*x),B?(B=1/B,b*=B,y*=B,x*=B):(b=0,y=0,x=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=x,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+x*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>c.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=c.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];c.addVec4(r,s,l),c.subVec4(r,s,A);const o=2*s[2],n=A[0],a=A[1],h=A[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=l[0]/n,i[9]=l[1]/a,i[10]=-l[2]/h,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/h,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],c.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=c.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=c.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],x=e[13],B=e[14],w=e[15];let P;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],P=s[e]||(s[e]=[0,0,0]),P[0]=A*o+d*n+m*a+y,P[1]=h*o+p*n+_*a+x,P[2]=c*o+f*n+v*a+B,P[3]=u*o+g*n+b*a+w;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],x=e[14],B=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+x,i[s+3]=c*o+f*n+v*a+B;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||c.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0],o[1]=r[1]*Math.cos(i)-r[2]*Math.sin(i),o[2]=r[1]*Math.sin(i)+r[2]*Math.cos(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Y(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[2]*Math.sin(i)+r[0]*Math.cos(i),o[1]=r[1],o[2]=r[2]*Math.cos(i)-r[0]*Math.sin(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Z(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0]*Math.cos(i)-r[1]*Math.sin(i),o[1]=r[0]*Math.sin(i)+r[1]*Math.cos(i),o[2]=r[2],s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},projectVec4(e,t){const i=1/e[3];return(t=t||c.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(()=>{const e=new n(16),t=new n(16),i=new n(16);return function(s,r,o,n){return this.transformVec3(this.mulMat4(this.inverseMat4(r,e),this.inverseMat4(o,t),i),s,n)}})(),lerpVec3(e,t,i,s,r,o){const n=o||c.vec3(),a=(e-t)/(i-t);return 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#182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==N.PICK_MODE_INSIDE&&e!==N.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===N.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=U.INTERSECT)=>{if(s===U.INTERSECT&&(s=k(this._marqueeFrustum,i.aabb)),s!==U.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===N.PICK_MODE_INSIDE){k(this._marqueeFrustum,r)===U.INSIDE&&e.push(s.id)}else{k(this._marqueeFrustum,r)!==U.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,u=-(this._canvasMarquee[1]-r)*n+1,d=this.viewer.scene.camera.frustum.near*(17*a);c.frustumMat4(l,A,h*a,u*a,d,1e4,this._marqueeFrustumProjMat),O(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}N.PICK_MODE_INTERSECTS=0,N.PICK_MODE_INSIDE=1;class Q{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class V{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){M.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const H={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i}};class j{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var s=this._dotClickable.style;s.left=Math.round(e)-9+"px",s.top=Math.round(t)-9+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}const G=c.vec3(),z=c.vec4(),W=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,c.transformVec4(s,t,i),c.setMat4Translation(s,i,o),o.slice()}}();function K(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function X(e,t,i,s=1e3){const r=c.getPositionsCenter(e,G),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function J(e,t,i,s,r){const o=r?(z.set(i,0),z[3]=1,c.mulMat4v4(r,z,z)):i,n=c.dotVec3(t,o)+e,a=c.normalizeVec3(t,G);return c.mulVec3Scalar(a,-n,s),s}const Y=1,Z=4,q=8,$=16,ee=32,te=256,ie=512,se=1024,re=2048,oe=new Float32Array([0,0,0]),ne=new Uint16Array([0,0,0]);c.OBB3();class ae{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=c.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=c.AABB3(),this._aabbDirty=!0,this._offset=c.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)c.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(Y)}set visible(e){if(!!(this._flags&Y)!==e){this._flags=e?this._flags|Y:this._flags&~Y;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(ie)}set highlighted(e){if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(te)}set xrayed(e){if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(se)}set selected(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(re)}set edges(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Z)!==e){this._flags=e?this._flags|Z:this._flags&~Z;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag($)}set clippable(e){if(!!(this._flags&$)!==e){this._flags=e?this._flags|$:this._flags&~$;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(ee)}set collidable(e){if(!!(this._flags&ee)!==e){this._flags=e?this._flags|ee:this._flags&~ee;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(q)}set pickable(e){if(!!(this._flags&q)!==e){this._flags=e?this._flags|q:this._flags&~q;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return oe[0]=e[0]/255,oe[1]=e[1]/255,oe[2]=e[2]/255,oe}set colorize(e){if(e){ne[0]=Math.floor(255*e[0]),ne[1]=Math.floor(255*e[1]),ne[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(ne)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const le=c.vec4(),Ae=c.vec4();class he extends D{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._viewPos=c.vec3(),this._canvasPos=c.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(c.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){le.set(this._viewPos),le[3]=1,c.transformPoint4(this.scene.camera.projMatrix,le,Ae);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+Ae[0]/Ae[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-Ae[1]/Ae[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof ae?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),K(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),super.destroy()}}const ce=()=>{};function ue(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}class de extends he{constructor(e,t,i,s={}){super(e,t);const r=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new j(i,{fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:r(s.onMouseOver,"mouseover"),onMouseLeave:r(s.onMouseLeave,"mouseleave"),onMouseWheel:r(s.onMouseWheel,"wheel"),onMouseDown:r(s.onMouseDown,"mousedown"),onMouseUp:r(s.onMouseUp,"mouseup"),onMouseMove:r(s.onMouseMove,"mousemove"),onTouchstart:r(s.onTouchstart,"touchstart"),onTouchmove:r(s.onTouchmove,"touchmove"),onTouchend:r(s.onTouchend,"touchend"),onContextMenu:r(s.onContextMenu,"contextmenu")});const o=()=>{const t=this.canvasPos.slice();ue(e.canvas.canvas,i,t),this._dot.setPos(t[0],t[1])};this.on("worldPos",o);const n=e.camera.on("viewMatrix",o),a=e.camera.on("projMatrix",o);this._cleanup=()=>{e.camera.off(n),e.camera.off(a),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setCulled(e){this._dot.setCulled(e)}setFillColor(e){this._dot.setFillColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this._dot.setVisible(e)}destroy(){this._cleanup(),super.destroy()}}function pe(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",ce),l=i("onMove",ce),A=i("onEnd",ce),h=s.scene,u=h.canvas.canvas,d=e=>{const t=c.vec2([e.clientX,e.clientY]);ue(u.ownerDocument.documentElement,u,t),l(t,(e=>{const t=c.vec3(),i=c.vec3();return c.canvasPosToWorldRay(u,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&d(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),d(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(u.addEventListener("mousemove",f),u.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{u.removeEventListener("mousemove",f),u.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function fe(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",ce),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return pe(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}const ge=function(e,t,i){return function(s,r,o){const n=e.scene,a=n.canvas.canvas,l=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,ue(a.ownerDocument.documentElement,a,t),t),A=e=>{const t=c.vec3(),s=c.vec3();return c.canvasPosToWorldRay(a,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,t,s),i(t,s)};let h=null;const u=()=>{};let d,p=u;const f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=u,d=null},g=function(){f(),a.removeEventListener("touchstart",m),a.removeEventListener("touchmove",_),a.removeEventListener("touchend",v)},m=function(i){const o=i.touches;if(1!==o.length)f(),s();else{const i=o[0],s=l(i,c.vec2());A(s)&&(d=i.identifier,p=e=>{c.distVec2(s,e)>20&&f()},h=setTimeout((function(){t.start(s),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=e=>{r(e,A(e))},p(s)}),300)}),250))}};a.addEventListener("touchstart",m,{passive:!0});const _=function(e){const t=[...e.changedTouches].find((e=>e.identifier===d));t&&p(l(t,c.vec2()))};a.addEventListener("touchmove",_,{passive:!0});const v=function(e){const t=[...e.changedTouches].find((e=>e.identifier===d));if(t){g();const e=l(t,c.vec2());o(e,A(e))}};return a.addEventListener("touchend",v,{passive:!0}),g}};class me{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]="rotate("+t+"deg)",s["-moz-transform"]="rotate("+t+"deg)",s["-ms-transform"]="rotate("+t+"deg)",s["-o-transform"]="rotate("+t+"deg)",s.transform="rotate("+t+"deg)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}class _e{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(i.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),i.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):i.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}var ve=c.vec3(),be=c.vec3();class ye extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._color=t.color||e.defaultColor;var i=this.plugin.viewer.scene;this._originWorld=c.vec3(),this._cornerWorld=c.vec3(),this._targetWorld=c.vec3(),this._wp=new Float64Array(12),this._vp=new Float64Array(12),this._pp=new Float64Array(12),this._cp=new Int16Array(6);const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},l=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};this._originDot=new de(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._cornerDot=new de(i,t.corner,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetDot=new de(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._originWire=new me(this._container,{color:this._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetWire=new me(this._container,{color:this._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._angleLabel=new _e(this._container,{fillColor:this._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._visible=!1,this._originVisible=!1,this._cornerVisible=!1,this._targetVisible=!1,this._originWireVisible=!1,this._targetWireVisible=!1,this._angleVisible=!1,this._labelsVisible=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._cornerDot.on("worldPos",(e=>{this._cornerWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.cornerVisible=t.cornerVisible,this.targetVisible=t.targetVisible,this.originWireVisible=t.originWireVisible,this.targetWireVisible=t.targetWireVisible,this.angleVisible=t.angleVisible,this.labelsVisible=t.labelsVisible}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(c.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){const d=-.3,p=this._originDot.viewPos[2],f=this._cornerDot.viewPos[2],g=this._targetDot.viewPos[2];if(p>d||f>d||g>d)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);c.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var t=this._pp,i=this._cp,s=e.canvas.canvas.getBoundingClientRect();const m=this._container.getBoundingClientRect();for(var r=s.top-m.top,o=s.left-m.left,n=e.canvas.boundary,a=n[2],l=n[3],A=0,h=0,u=t.length;h<u;h+=4)i[A]=o+Math.floor((1+t[h+0]/t[h+3])*a/2),i[A+1]=r+Math.floor((1-t[h+1]/t[h+3])*l/2),A+=2;if(this._originWire.setStartAndEnd(i[0],i[1],i[2],i[3]),this._targetWire.setStartAndEnd(i[2],i[3],i[4],i[5]),this._angleLabel.setPosBetweenWires(i[0],i[1],i[2],i[3],i[4],i[5]),c.subVec3(this._originWorld,this._cornerWorld,ve),c.subVec3(this._targetWorld,this._cornerWorld,be),!(0===ve[0]&&0===ve[1]&&0===ve[2]||0===be[0]&&0===be[1]&&0===be[2])){const e=this._approximate?" ~ ":" = ";c.normalizeVec3(ve),c.normalizeVec3(be);const t=Math.abs(c.angleVec3(ve,be));this._angle=t/c.DEGTORAD,this._angleLabel.setText(e+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(c.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._update(),this._angle}get color(){return this._color}set color(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}set visible(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}get originVisible(){return this._originVisible}set cornerVisible(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}get cornerVisible(){return this._cornerVisible}set targetVisible(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}get targetVisible(){return this._targetVisible}set originWireVisible(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}get originWireVisible(){return this._originWireVisible}set targetWireVisible(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}get targetWireVisible(){return this._targetWireVisible}set angleVisible(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get angleVisible(){return this._angleVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}setHighlighted(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),super.destroy()}}class xe extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Be extends xe{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=c.vec3(),A=c.vec2();this._currentAngleMeasurement=null;const h=c.vec2(),u=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:if(this._canvasToPagePos)this._canvasToPagePos(t,i,h),this.markerDiv.style.left=h[0]-5+"px",this.markerDiv.style.top=h[1]-5+"px";else{const e=c.vec2(i);ue(t,this.markerDiv.parentNode,e),this.markerDiv.style.left=e[0]-5+"px",this.markerDiv.style.top=e[1]-5+"px"}break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&u(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||u(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:c.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const d=e=>{if(r=!1,s&&(s.visible=!0,s.pointerPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&d(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||d(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class we extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=fe({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}const Pe=c.vec3(),Ce=c.vec3(),Me=c.vec3();class Ee extends he{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._marker.addEventListener("contextmenu",this._onContextMenuExtenalMarker=()=>{this.plugin.fire("contextmenu",this)}),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("contextmenu",(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=c.normalizeVec3(e.worldNormal,Pe),i=this.plugin&&this.plugin.surfaceOffset||0,s=c.mulVec3Scalar(t,i,Ce),r=c.addVec3(e.worldPos,s,Me);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class Fe extends D{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const Ie=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class De extends D{constructor(e,t={}){super(e,t),this._backgroundColor=c.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new Fe(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+c.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<Ie.length;e++)try{this.gl=this.canvas.getContext(Ie[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class Se{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=c.vec3(),this.snapPickOrigin=c.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),W(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;W(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=c.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const Te={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Re=document.createElement("canvas");if(Re){const e=Re.getContext("webgl",{antialias:!0})||Re.getContext("experimental-webgl",{antialias:!0});Te.WEBGL=!!e,Te.WEBGL&&(Te.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?Te.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?Te.FS_MAX_FLOAT_PRECISION="mediump":Te.FS_MAX_FLOAT_PRECISION="lowp":Te.FS_MAX_FLOAT_PRECISION="mediump",Te.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),Te.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),Te.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),Te.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),Te.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),Te.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),Te.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),Te.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),Te.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),Te.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){Te.SUPPORTED_EXTENSIONS[e]=!0})))}class Le{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class Ue{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class Oe{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class ke{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const Ne=new e({});function Qe(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function Ve(e){console.error(e.join("\n"))}class He{constructor(e,t){this.id=Ne.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Ue(e,e.VERTEX_SHADER,Qe(this.source.vertex)),this._fragmentShader=new Ue(e,e.FRAGMENT_SHADER,Qe(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Ve(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Ve(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Ve(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Ve(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Ve(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new Oe(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new ke(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(Ne.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class je{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class Ge{constructor(e,t){this.scene=e,this.aabb=c.AABB3(),this.origin=c.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;c.collapseAABB3(e),c.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new je(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const ze=c.vec3([1,0,0]),We=c.vec3();class Ke{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new Ge(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new Ge(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new He(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,W(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,J(i.dist,i.dir,o,We)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*ze[0],i=255*ze[1],s=255*ze[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const Xe=c.vec2();class Je{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,u=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;Xe[0]=o,Xe[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,u),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,Xe),t.uniform1f(this._uRandomSeed,d);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new He(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new je(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new je(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new je(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const Ye=new Float32Array(it(17,[0,1])),Ze=new Float32Array(it(17,[1,0])),qe=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(tt(s,t));return i}(17,4)),$e=new Float32Array(2);class et{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new He(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new je(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new je(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new je(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),$e[0]=n,$e[1]=a,s.uniform2fv(this._uViewport,$e),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,Ze):s.uniform2fv(this._uSampleOffsets,Ye),s.uniform1fv(this._uSampleWeights,qe);const u=e.getDepthTexture(),d=t.getTexture();r.bindTexture(this._uDepthTexture,u,0),r.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function tt(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function it(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class st{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class rt{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new st(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function ot(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const nt=function(t,i){i=i||{};const s=new Se(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},u=[],d=[],f=!0,g=!0,m=!0,_=!0,v=!0,b=!0,y=!0,x=!0;const B=new rt(t);let w=!1;const P=new Je(t),C=new et(t);function M(){f&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),f=!1,g=!0),g&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];u[e++]=s}}u.length=e,u.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),g=!1,m=!0),m&&function(){let e=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.rebuildRenderFlags(),i.renderFlags.culled||(d[e++]=i)}d.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!ot(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!ot(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!ot(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!ot(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!ot(o,"WEBGL_compressed_texture_pvrtc")&&!ot(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,m=!0},this.setEdgesEnabled=function(e){v=e,m=!0},this.setSAOEnabled=function(e){b=e,m=!0},this.setPBREnabled=function(e){y=e,m=!0},this.setColorTextureEnabled=function(e){x=e,m=!0},this.needStateSort=function(){g=!0},this.shadowsDirty=function(){},this.imageDirty=function(){m=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){P.init(),C.init(),m=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,f=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],f=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return m||f||g},this.render=function(e){(e=e||{}).force&&(m=!0),M(),m&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=B.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=B.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),P.render(r),n.unbind(),i.blur){const e=B.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],u=[],f=[],g=[],m=[],w=[],P=[],C=[],M=[],E=[],F=[],I=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=x&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?I:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const D=t.sao.possible;if(b&&D){const e=B.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let S,T;const R=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let L=0,U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0;for(let e=0,t=d.length;e<t;e++){if(T=d[e],!0===T.culled||!1===T.visible)continue;const t=T.renderFlags;t.colorOpaque&&(b&&D&&T.saoEnabled?i[L++]=T:T.drawColorOpaque(s)),_&&t.colorTransparent&&(l[O++]=T),t.xrayedSilhouetteTransparent&&(u[V++]=T),t.xrayedSilhouetteOpaque&&(h[N++]=T),t.highlightedSilhouetteTransparent&&(w[z++]=T),t.highlightedSilhouetteOpaque&&(g[j++]=T),t.selectedSilhouetteTransparent&&(E[J++]=T),t.selectedSilhouetteOpaque&&(C[K++]=T),T.edges&&v&&(t.edgesOpaque&&(r[U++]=T),t.edgesTransparent&&(A[k++]=T),t.selectedEdgesTransparent&&(F[Y++]=T),t.selectedEdgesOpaque&&(M[X++]=T),t.xrayedEdgesTransparent&&(f[H++]=T),t.xrayedEdgesOpaque&&(c[Q++]=T),t.highlightedEdgesTransparent&&(P[W++]=T),t.highlightedEdgesOpaque&&(m[G++]=T))}if(L>0)for(s.withSAO=!0,S=0;S<L;S++)i[S].drawColorOpaque(s);if(U>0)for(S=0;S<U;S++)r[S].drawEdgesColorOpaque(s);if(N>0)for(S=0;S<N;S++)h[S].drawSilhouetteXRayed(s);if(Q>0)for(S=0;S<Q;S++)c[S].drawEdgesXRayed(s);if(V>0||H>0||O>0||k>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(O>0||k>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),k>0)for(S=0;S<k;S++)T=A[S],T.drawEdgesColorTransparent(s);if(O>0)for(S=0;S<O;S++)T=l[S],T.drawColorTransparent(s);if(H>0)for(S=0;S<H;S++)f[S].drawEdgesXRayed(s);if(V>0)for(S=0;S<V;S++)u[S].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(j>0||G>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),G>0)for(S=0;S<G;S++)m[S].drawEdgesHighlighted(s);if(j>0)for(S=0;S<j;S++)g[S].drawSilhouetteHighlighted(s)}if(z>0||W>0||j>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(S=0;S<W;S++)P[S].drawEdgesHighlighted(s);if(z>0)for(S=0;S<z;S++)w[S].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(K>0||X>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),X>0)for(S=0;S<X;S++)M[S].drawEdgesSelected(s);if(K>0)for(S=0;S<K;S++)C[S].drawSilhouetteSelected(s)}if(J>0||Y>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Y>0)for(S=0;S<Y;S++)F[S].drawEdgesSelected(s);if(J>0)for(S=0;S<J;S++)E[S].drawSilhouetteSelected(s);o.disable(o.BLEND)}const Z=Date.now(),q=p.frame;q.renderTime=(Z-R)/1e3,q.drawElements=s.drawElements,q.drawArrays=s.drawArrays,q.useProgram=s.useProgram,q.bindTexture=s.bindTexture,q.bindArray=s.bindArray;const $=Te.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<$;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const ee=Te.MAX_VERTEX_ATTRIBS;for(let e=0;e<ee;e++)o.disableVertexAttribArray(e)}(e)}(e),p.frame.frameCount++,m=!1)},this.pick=function(){const e=c.vec3();c.mat4();const i=c.mat4(),n=c.vec3(),a=c.vec3([0,1,0]),h=new Le,u=c.vec2(),p=c.vec3(),f=c.vec3(),g=c.vec3();return c.vec3(),c.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,x=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,x=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,x=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=c.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),c.normalizeVec3(n),c.cross3Vec3(g,n,a),b=c.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,x="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const w=B.getRenderBuffer("pick",{size:[1,1]});w.bind();const P=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,u=a.excludeEntityIds;for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||u&&u[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(w,p,b,y,m,_);if(!P)return w.unbind(),null;const C=P.delegatePickedEntity?P.delegatePickedEntity():P;return C?(m.pickSurface&&(P.canPickTriangle&&P.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(w,P,p,b,y,_),P.pickTriangleSurface(b,y,x,_),_.pickSurfacePrecision=!1):P.canPickWorldPos&&P.canPickWorldPos()&&(u[0]=t.camera.project.near,u[1]=t.camera.project.far,F(w,P,p,b,y,u,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=B.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const u=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const d=[u[0]/c.MAX_INT,u[1]/c.MAX_INT,u[2]/c.MAX_INT];c.normalizeVec3(d),l.worldNormal=d}(0,P,p,b,y,_),_.pickSurfacePrecision=!1)),w.unbind(),_.entity=C,_):(w.unbind(),null)}}();const F=function(){const e=c.vec4(),i=c.vec4(),n=c.vec4(),a=c.vec4(),l=c.vec4(),A=c.mat4(),h=c.mat4(),u=c.mat4();return function(d,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return c.dotVec4(t,i)}(d.read(0,0)),x=(f[0]-r.clientWidth/2)/(r.clientWidth/2),B=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),w=p.origin;let P;if(w){const e=W(g,w,A);P=c.mulMat4(m,e,h)}else P=c.mulMat4(m,g,h);const C=c.inverseMat4(P,u);e[0]=x,e[1]=B,e[2]=-1,e[3]=1;let M=c.transformVec4(C,e);M=c.mulVec4Scalar(M,1/M[3]),i[0]=x,i[1]=B,i[2]=1,i[3]=1;let E=c.transformVec4(C,i);E=c.mulVec4Scalar(E,1/E[3]);const F=c.subVec3(E,M,n),I=c.addVec3(M,c.mulVec4Scalar(F,y,a),l);w&&c.addVec3(I,w),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new Le;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:u,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=u||30,_=B.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:c.lookAtMat4v(a,c.addVec3(a,h,c.vec3()),c.vec3([0,1,0]),c.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const x=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),w=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),P=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=x.slice(F,F+4),R=w.slice(F,F+4),L=P.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=c.normalizeVec3([R[0]/c.MAX_INT,R[1]/c.MAX_INT,R[2]/c.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<x.length;e+=4)if(x[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?x[e+3]>y.length/2:p,result:[x[e+0],x[e+1],x[e+2],x[e+3]],normal:[w[e+0],w[e+1],w[e+2],w[e+3]],id:[P[e+0],P[e+1],P[e+2],P[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=c.normalizeVec3([t[0]/c.MAX_INT,t[1]/c.MAX_INT,t[2]/c.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new Ke(t,B),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=B.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),m=!0},this.beginSnapshot=function(e={}){const t=B.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),w=!0},this.renderSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),m=!0},this.readSnapshot=function(e){return B.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return B.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").unbind(),w=!1},this.destroy=function(){A={},h={},B.destroy(),P.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class at extends D{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.MOUSE_LEFT_BUTTON=260,this.MOUSE_MIDDLE_BUTTON=261,this.MOUSE_RIGHT_BUTTON=262,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=c.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){const t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const lt=new e({});class At{constructor(e){this.id=lt.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){lt.removeItem(this.id)}}class ht extends D{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new At({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class ct extends D{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new At({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),c.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class ut extends D{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new At({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),c.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class dt extends D{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new At({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){c.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class pt extends D{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new At({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const ft=c.vec3(),gt=c.vec3(),mt=c.vec3(),_t=c.vec3(),vt=c.vec3(),bt=c.vec3(),yt=c.vec4(),xt=c.vec4(),Bt=c.vec4(),wt=c.mat4(),Pt=c.mat4(),Ct=c.vec3(),Mt=c.vec3(),Et=c.vec3(),Ft=c.vec3();class It extends D{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new At({deviceMatrix:c.mat4(),hasDeviceMatrix:!1,matrix:c.mat4(),normalMatrix:c.mat4(),inverseMatrix:c.mat4()}),this._perspective=new ct(this),this._ortho=new ut(this),this._frustum=new dt(this),this._customProjection=new pt(this),this._project=this._perspective,this._eye=c.vec3([0,0,10]),this._look=c.vec3([0,0,0]),this._up=c.vec3([0,1,0]),this._worldUp=c.vec3([0,1,0]),this._worldRight=c.vec3([1,0,0]),this._worldForward=c.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(c.subVec3(this._eye,this._look,Ct),c.normalizeVec3(Ct,Mt),c.mulVec3Scalar(Mt,1e3,Et),c.addVec3(this._look,Et,Ft),t=Ft):t=this._eye,e.hasDeviceMatrix?(c.lookAtMat4v(t,this._look,this._up,Pt),c.mulMat4(e.deviceMatrix,Pt,e.matrix)):c.lookAtMat4v(t,this._look,this._up,e.matrix),c.inverseMat4(this._state.matrix,this._state.inverseMatrix),c.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=c.subVec3(this._eye,this._look,ft);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,wt),t=c.transformPoint3(wt,t,gt),this.eye=c.addVec3(this._look,t,mt),this.up=c.transformPoint3(wt,this._up,_t)}orbitPitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._eye,this._look,ft);const i=c.cross3Vec3(c.normalizeVec3(t,gt),c.normalizeVec3(this._up,mt));c.rotationMat4v(.0174532925*e,i,wt),t=c.transformPoint3(wt,t,_t),this.up=c.transformPoint3(wt,this._up,vt),this.eye=c.addVec3(t,this._look,bt)}yaw(e){let t=c.subVec3(this._look,this._eye,ft);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,wt),t=c.transformPoint3(wt,t,gt),this.look=c.addVec3(t,this._eye,mt),this._gimbalLock&&(this.up=c.transformPoint3(wt,this._up,_t))}pitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._look,this._eye,ft);const i=c.cross3Vec3(c.normalizeVec3(t,gt),c.normalizeVec3(this._up,mt));c.rotationMat4v(.0174532925*e,i,wt),this.up=c.transformPoint3(wt,this._up,bt),t=c.transformPoint3(wt,t,_t),this.look=c.addVec3(t,this._eye,vt)}pan(e){const t=c.subVec3(this._eye,this._look,ft),i=[0,0,0];let s;if(0!==e[0]){const r=c.cross3Vec3(c.normalizeVec3(t,[]),c.normalizeVec3(this._up,gt));s=c.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=c.mulVec3Scalar(c.normalizeVec3(this._up,mt),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=c.mulVec3Scalar(c.normalizeVec3(t,_t),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=c.addVec3(this._eye,i,vt),this.look=c.addVec3(this._look,i,bt)}zoom(e){const t=c.subVec3(this._eye,this._look,ft),i=Math.abs(c.lenVec3(t,gt)),s=Math.abs(i+e);if(s<.5)return;const r=c.normalizeVec3(t,mt);this.eye=c.addVec3(this._look,c.mulVec3Scalar(r,s),_t)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=c.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return c.lenVec3(c.subVec3(this._look,this._eye,ft))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=yt,i=xt,s=Bt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,c.mulMat4v4(this.viewMatrix,t,i),c.mulMat4v4(this.projMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Dt extends D{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class St extends Dt{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new At({type:"dir",dir:c.vec3([1,1,1]),color:c.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=c.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];c.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=c.identityMat4()),c.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new st(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class Tt extends Dt{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:c.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class Rt extends D{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),p.memory.meshes++}destroy(){super.destroy(),p.memory.meshes--}}var Lt=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],c.decompressPosition(n,i,A),c.decompressPosition(a,i,h),c.decompressPosition(l,i,u)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],u[0]=e[v],u[1]=e[v+1],u[2]=e[v+2]),c.subVec3(u,h,d),c.subVec3(A,h,p),c.cross3Vec3(d,p,f),c.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:c.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],x=Math.cos(c.DEGTORAD*b),B={};let w,P,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)w=s[e+i],P=s[e+(i+1)%3],C=Math.min(w,P),M=Math.max(w,P),E=C+","+M,void 0===B[E]?B[E]={index1:C,index2:M,face1:t,face2:void 0}:B[E].face2=t}for(E in B)F=B[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=c.dotVec3(I,D),S>x)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const Ut=function(){const e=c.mat4(),t=c.mat4();return function(i,s){s=s||c.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return c.identityMat4(e),c.translationMat4v(i,e),c.identityMat4(t),c.scalingMat4v([a/h,l/h,A/h],t),c.mulMat4(e,t,s),s}}();var Ot=function(){const e=c.mat4(),t=c.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));c.identityMat4(e),c.translationMat4v(s,e),c.identityMat4(t),c.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:c.mulMat4(e,t,c.identityMat4())}}}();var kt=function(){const e=c.mat3(),t=c.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));c.identityMat3(e),c.translationMat3v(s,e),c.identityMat3(t),c.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:c.mulMat3(e,t,c.identityMat3())}}}();function Nt(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function Qt(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function Vt(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const Ht={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:Ut,compressPositions:Ot,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:kt,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=Nt(e,a,"floor","floor"),s=Qt(i),o=n=Vt(e,a,s),i=Nt(e,a,"ceil","floor"),s=Qt(i),o=Vt(e,a,s),o>n&&(r=i,n=o),i=Nt(e,a,"floor","ceil"),s=Qt(i),o=Vt(e,a,s),o>n&&(r=i,n=o),i=Nt(e,a,"ceil","ceil"),s=Qt(i),o=Vt(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},jt=p.memory,Gt=c.AABB3();class zt extends Rt{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new At({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=Ht.getPositionsBounds(t.positions),s=Ht.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=Ht.getUVBounds(t.uv),s=Ht.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=Ht.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),jt.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),jt.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new je(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),jt.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new je(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),jt.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new je(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),jt.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new je(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),jt.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=Lt(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),jt.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=c.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new je(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new je(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),jt.positions+=this._pickTrianglePositionsBuf.numItems,jt.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),Ht.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=Ht.getPositionsBounds(e),s=Ht.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),Ht.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),Ht.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=c.AABB3()),c.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=c.OBB3()),c.positions3ToAABB3(this._state.positions,Gt,this._state.positionsDecodeMatrix),c.AABB3ToOBB3(Gt,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),jt.meshes--}}function Wt(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class Kt extends D{get type(){return"Material"}constructor(e,t={}){super(e,t),p.memory.materials++}destroy(){super.destroy(),p.memory.materials--}}const Xt={opaque:0,mask:1,blend:2},Jt=["opaque","mask","blend"];class Yt extends Kt{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new At({type:"PhongMaterial",ambient:c.vec3([1,1,1]),diffuse:c.vec3([1,1,1]),specular:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=Xt[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Jt[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const Zt={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class qt extends Kt{get type(){return"EmphasisMaterial"}get presets(){return Zt}constructor(e,t={}){super(e,t),this._state=new At({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=Zt[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Zt).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const $t={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class ei extends Kt{get type(){return"EdgeMaterial"}get presets(){return $t}constructor(e,t={}){super(e,t),this._state=new At({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=$t[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys($t).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const ti={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class ii extends D{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=c.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return ti}set units(e){e||(e="meters");ti[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=c.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=c.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class si extends D{constructor(e,t={}){super(e,t),this._supported=Te.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class ri extends D{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const oi={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class ni extends Kt{get type(){return"PointsMaterial"}get presets(){return oi}constructor(e,t={}){super(e,t),this._state=new At({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=oi[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(oi).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const ai={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class li extends Kt{get type(){return"LinesMaterial"}get presets(){return ai}constructor(e,t={}){super(e,t),this._state=new At({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=ai[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(ai).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function Ai(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class hi extends D{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new De(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new nt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=c.vec4([0,0,0,0]),t=c.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new at(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new ii(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new si(this,{enabled:t.saoEnabled}),this.crossSections=new ri(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,M._addScene(this),this._initDefaults(),this._viewport=new ht(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new It(this,{id:"default.camera",dontClear:!0}),new Tt(this,{color:[1,1,1],intensity:.7}),new St(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new St(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+_.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=c.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],_.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&M.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=c.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||Wt(zt)}get material(){return this.components["default.material"]||new Yt(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new qt(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new qt(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new qt(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new ei(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new ni(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new li(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=c.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=c.AABB3());let e,t=c.MAX_DOUBLE,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MIN_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=Ai(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=Ai(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(_.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MAX_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE,a=c.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=c.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){_.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=c.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const ci=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=pi(e),u=s.getNumAllocatedSectionPlanes()>0,d=di(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=pi(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=di(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+ui[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+ui[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+ui[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+ui[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+ui[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+ui[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},ui={};function di(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function pi(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}ui[3e3]="linearToLinear",ui[3001]="sRGBToLinear";const fi=c.vec3(),gi=new e({}),mi=function(e,t){this.id=gi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new ci(t),this._allocate(t)},_i={};mi.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=_i[i];if(!s){if(s=new mi(i,e),s.errors)return console.log(s.errors.join("\n")),null;_i[i]=s,p.memory.programs++}return s._useCount++,s},mi.prototype.put=function(){0==--this._useCount&&(gi.removeItem(this.id),this._program&&this._program.destroy(),delete _i[this._hash],p.memory.programs--)},mi.prototype.webglContextRestored=function(){this._program=null},mi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=Te.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=J(i.dist,i.dir,c,fi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},mi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new He(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},mi.prototype._bindProgram=function(e){const t=Te.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class vi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const bi=new e({}),yi=c.vec3(),xi=function(e,t){this.id=bi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new vi(t),this._allocate(t)},Bi={};xi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Bi[t];return i||(i=new xi(t,e),Bi[t]=i,p.memory.programs++),i._useCount++,i},xi.prototype.put=function(){0==--this._useCount&&(bi.removeItem(this.id),this._program&&this._program.destroy(),delete Bi[this._hash],p.memory.programs--)},xi.prototype.webglContextRestored=function(){this._program=null},xi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=J(i.dist,i.dir,A,yi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},xi.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new He(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},xi.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class wi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Pi=new e({}),Ci=c.vec3(),Mi=function(e,t){this.id=Pi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new wi(t),this._allocate(t)},Ei={};Mi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ei[t];return i||(i=new Mi(t,e),Ei[t]=i,p.memory.programs++),i._useCount++,i},Mi.prototype.put=function(){0==--this._useCount&&(Pi.removeItem(this.id),this._program&&this._program.destroy(),delete Ei[this._hash],p.memory.programs--)},Mi.prototype.webglContextRestored=function(){this._program=null},Mi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=J(i.dist,i.dir,h,Ci);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},Mi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new He(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Mi.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class Fi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const Ii=c.vec3(),Di=function(e,t){this._hash=e,this._shaderSource=new Fi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Si={};Di.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=Si[t];if(!i){if(i=new Di(t,e),i.errors)return console.log(i.errors.join("\n")),null;Si[t]=i,p.memory.programs++}return i._useCount++,i},Di.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Si[this._hash],p.memory.programs--)},Di.prototype.webglContextRestored=function(){this._program=null},Di.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=J(i.dist,i.dir,a,Ii);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Di.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new He(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},Di.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class Ti{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const Ri=c.vec3(),Li=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ti(t),this._allocate(t)},Ui={};Li.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ui[t];if(!i){if(i=new Li(t,e),i.errors)return console.log(i.errors.join("\n")),null;Ui[t]=i,p.memory.programs++}return i._useCount++,i},Li.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Ui[this._hash],p.memory.programs--)},Li.prototype.webglContextRestored=function(){this._program=null},Li.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=J(i.dist,i.dir,l,Ri);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},Li.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new He(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class Oi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const ki=c.vec3(),Ni=function(e,t){this._hash=e,this._shaderSource=new Oi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Qi={};Ni.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=Qi[t];if(!i){if(i=new Ni(t,e),i.errors)return console.log(i.errors.join("\n")),null;Qi[t]=i,p.memory.programs++}return i._useCount++,i},Ni.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Qi[this._hash],p.memory.programs--)},Ni.prototype.webglContextRestored=function(){this._program=null},Ni.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=J(i.dist,i.dir,a,ki);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Ni.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new He(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Ni.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class Vi{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const Hi=function(e,t){this._hash=e,this._shaderSource=new Vi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},ji={};Hi.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=ji[i];if(!s){if(s=new Hi(i,e),s.errors)return console.log(s.errors.join("\n")),null;ji[i]=s,p.memory.programs++}return s._useCount++,s},Hi.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete ji[this._hash],p.memory.programs--)},Hi.prototype.webglContextRestored=function(){this._program=null},Hi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},Hi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new He(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Hi.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class Gi{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const zi=c.OBB3(),Wi=c.vec4(),Ki=c.vec4(),Xi=c.vec4(),Ji=c.vec3([1,0,0]),Yi=c.vec3([0,1,0]),Zi=c.vec3([0,0,1]),qi=c.vec3(3),$i=c.vec3(3),es=c.identityMat4();class ts extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new Gi,this._state=new At({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:c.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._worldMatrix=c.identityMat4(),this._worldNormalMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=c.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=c.identityMat4()),this.__localMatrix.set(e||es),c.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=c.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=mi.get(this),this._emphasisFillRenderer=xi.get(this),this._emphasisEdgesRenderer=Mi.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Di.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=Ni.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=c.mat4()),c.transposeMat4(this._worldMatrix,this._worldNormalMatrix),c.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){c.transformOBB3(e,this._geometry.obb,zi),c.OBB3ToAABB3(zi,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return Wi[0]=e[0],Wi[1]=e[1],Wi[2]=e[2],Wi[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Wi,Ki),c.mulQuaternions(this.quaternion,Ki,Xi),this.quaternion=Xi,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Wi[0]=e[0],Wi[1]=e[1],Wi[2]=e[2],Wi[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Wi,Ki),c.mulQuaternions(Ki,this.quaternion,Ki),this}rotateX(e){return this.rotate(Ji,e)}rotateY(e){return this.rotate(Yi,e)}rotateZ(e){return this.rotate(Zi,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,qi),c.mulVec3Scalar(qi,t,$i),c.addVec3(this.position,$i,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Ji,e)}translateY(e){return this.translate(Yi,e)}translateZ(e){return this.translate(Zi,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=mi.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=mi.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=xi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=xi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=xi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Mi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=Ni.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=Hi.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Di.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=Li.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){is(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const is=function(){const e=c.vec3(),t=c.vec3(),i=c.vec3(),s=c.vec3(),r=c.vec3(),o=c.vec3(),n=c.vec4(),a=c.vec3(),l=c.vec3(),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3(),m=c.vec4(),_=c.vec4(),v=c.vec4(),b=c.vec3(),y=c.vec3(),x=c.vec3(),B=c.vec3(),w=c.vec3(),P=c.vec3(),C=c.vec3(),M=c.vec3(),E=c.vec3(),F=c.vec3(),I=c.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let K,X,J;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,K=3*O,X=3*k,J=3*N}else K=3*V,X=K+3,J=X+3;if(i[0]=z[K+0],i[1]=z[K+1],i[2]=z[K+2],s[0]=z[X+0],s[1]=z[X+1],s[2]=z[X+2],r[0]=z[J+0],r[1]=z[J+1],r[2]=z[J+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(Ht.decompressPosition(i,e,i),Ht.decompressPosition(s,e,s),Ht.decompressPosition(r,e,r))}L.canvasPos?c.canvasPosToLocalRay(j.canvas,D.origin?W(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&c.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),c.normalizeVec3(t),c.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,c.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,c.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,c.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const Y=Q.normals;if(Y){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;Ht.decompressNormal(Y.subarray(e,e+2),h),Ht.decompressNormal(Y.subarray(t,t+2),u),Ht.decompressNormal(Y.subarray(i,i+2),d)}else h[0]=Y[K],h[1]=Y[K+1],h[2]=Y[K+2],u[0]=Y[X],u[1]=Y[X+1],u[2]=Y[X+2],d[0]=Y[J],d[1]=Y[J+1],d[2]=Y[J+2];const e=c.addVec3(c.addVec3(c.mulVec3Scalar(h,A[0],b),c.mulVec3Scalar(u,A[1],y),x),c.mulVec3Scalar(d,A[2],B),w);L.worldNormal=c.normalizeVec3(c.transformVec3(D.worldNormalMatrix,e,P))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(Ht.decompressUV(p,e,p),Ht.decompressUV(f,e,f),Ht.decompressUV(g,e,g))}L.uv=c.addVec3(c.addVec3(c.mulVec2Scalar(p,A[0],C),c.mulVec2Scalar(f,A[1],M),E),c.mulVec2Scalar(g,A[2],F),I)}}}}}();function ss(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative 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ns(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;_.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,v=(l||"").split("\n"),b=0,y=0,x=.04,B=0;B<v.length;B++){A=0,c=(h=v[B]).length;for(var w=0;w<c;w++)if(u=os[h.charAt(w)]){d=1,p=-1,f=-1,g=u.points.length;for(var P=0;P<g;P++)-1!==(m=u.points[P])[0]||-1!==m[1]?(n.push(A+m[0]*o*x+i),n.push(y+m[1]*o*x+s),n.push(0+r),-1===p?p=b:(-1===f||(p=f),f=b),b++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*x*o}y-=35*x*o}return _.apply(e,{primitive:"lines",positions:n,indices:a})}c.vec3();class as extends D{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new At({active:!0,pos:c.vec3(),dir:c.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){c.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const ls=c.vec4(4),As=c.vec4(),hs=c.vec4(),cs=c.vec3([1,0,0]),us=c.vec3([0,1,0]),ds=c.vec3([0,0,1]),ps=c.vec3(3),fs=c.vec3(3),gs=c.identityMat4();class ms extends D{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._offset=c.vec3(),this._localMatrix=c.identityMat4(),this._worldMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=c.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;c.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&c.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+_.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+_.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||gs),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return ls[0]=e[0],ls[1]=e[1],ls[2]=e[2],ls[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ls,As),c.mulQuaternions(this.quaternion,As,hs),this.quaternion=hs,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return ls[0]=e[0],ls[1]=e[1],ls[2]=e[2],ls[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ls,As),c.mulQuaternions(As,this.quaternion,As),this}rotateX(e){return this.rotate(cs,e)}rotateY(e){return this.rotate(us,e)}rotateZ(e){return this.rotate(ds,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,ps),c.mulVec3Scalar(ps,t,fs),c.addVec3(this.position,fs,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(cs,e)}translateY(e){return this.translate(us,e)}translateZ(e){return this.translate(ds,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class _s extends Kt{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new At({type:"LambertMaterial",ambient:c.vec3([1,1,1]),color:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const vs={opaque:0,mask:1,blend:2},bs=["opaque","mask","blend"];class ys extends Kt{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new At({type:"MetallicMaterial",baseColor:c.vec4([1,1,1]),emissive:c.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=vs[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return bs[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const xs={opaque:0,mask:1,blend:2},Bs=["opaque","mask","blend"];class ws extends Kt{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new At({type:"SpecularMaterial",diffuse:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),specular:c.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=xs[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Bs[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function Ps(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=ot(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=ot(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=ot(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=ot(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=ot(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=ot(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=ot(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const Cs=new Uint8Array([0,0,0,1]);class Ms{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(Cs[0]=Math.floor(255*e[0]),Cs[1]=Math.floor(255*e[1]),Cs[2]=Math.floor(255*e[2]),Cs[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(Cs[0]=0,Cs[1]=0,Cs[2]=0,Cs[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Cs)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Cs);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=Ps(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=Ps(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=Ps(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=Ps(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=Ps(i,this.format,this.encoding),d=Ps(i,this.type),p=Es(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(_.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=Ps(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=Ps(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=Ps(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Fs(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Fs(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Ps(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Ps(i,this.magFilter)));const a=Ps(i,this.format,this.encoding),l=Ps(i,this.type),A=Es(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=Ps(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=Ps(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=Ps(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=Ps(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function Es(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||ot(e,"EXT_color_buffer_float"),n}function Fs(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Is(e){if(!Ds(e.width)||!Ds(e.height)){const t=document.createElement("canvas");t.width=Ss(e.width),t.height=Ss(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Ds(e){return 0==(e&e-1)}function Ss(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class Ts extends D{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new At({texture:new Ms({gl:this.scene.canvas.gl}),matrix:c.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=c.vec2([0,0]),this._scale=c.vec2([1,1]),this._rotate=c.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),p.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new Ms({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=c.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=c.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?c.mulMat4(t,i):i),0!==this._rotate&&(i=c.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?c.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=Is(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=Is(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),p.memory.textures--}}const Rs=p.memory,Ls=c.AABB3();class Us extends Rt{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new At({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=c.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=Ht.getPositionsBounds(t.positions),o=Ht.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new je(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),Rs.positions+=i.positionsBuf.numItems,c.positions3ToAABB3(t.positions,this._aabb),c.positions3ToAABB3(r,Ls,i.positionsDecodeMatrix),c.AABB3ToOBB3(Ls,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new je(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),Rs.colors+=i.colorsBuf.numItems}if(t.uv){const e=Ht.getUVBounds(t.uv),r=Ht.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new je(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),Rs.uvs+=i.uvBuf.numItems}if(t.normals){const e=Ht.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new je(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),Rs.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new je(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),Rs.indices+=i.indicesBuf.numItems;const o=Lt(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new je(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),Rs.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),Rs.meshes--}}var Os={};function ks(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function Ns(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return _.apply(e,{primitive:"lines",positions:o,indices:n})}function Qs(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),v=new Float32Array(d*p*3),b=new Float32Array(d*p*2);let y,x,B,w,P,C,M,E=0,F=0;for(y=0;y<p;y++){const e=y*g-h;for(x=0;x<d;x++)B=x*f-A,m[E]=B+n,m[E+1]=a,m[E+2]=-e+l,v[E+2]=-1,b[F]=x/c,b[F+1]=(u-y)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(y=0;y<u;y++)for(x=0;x<c;x++)w=x+d*y,P=x+d*(y+1),C=x+1+d*(y+1),M=x+1+d*y,I[E]=M,I[E+1]=P,I[E+2]=w,I[E+3]=M,I[E+4]=C,I[E+5]=P,E+=6;return _.apply(e,{positions:m,normals:v,uv:b,indices:I})}function Vs(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],u=[],d=[],p=[];let f,g,m,v,b,y,x,B,w,P,C,M;for(B=0;B<=r;B++)for(x=0;x<=s;x++)f=x/s*o,g=.785398+B/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),v=(t+i*Math.cos(g))*Math.sin(f),b=i*Math.sin(g),h.push(m+a),h.push(v+l),h.push(b+A),d.push(1-x/s),d.push(B/r),y=c.normalizeVec3(c.subVec3([m,v,b],[a,l,A],[]),[]),u.push(y[0]),u.push(y[1]),u.push(y[2]);for(B=1;B<=r;B++)for(x=1;x<=s;x++)w=(s+1)*B+x-1,P=(s+1)*(B-1)+x-1,C=(s+1)*(B-1)+x,M=(s+1)*B+x,p.push(w),p.push(P),p.push(C),p.push(C),p.push(M),p.push(w);return _.apply(e,{positions:h,normals:u,uv:d,indices:p})}function Hs(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return _.apply(e,{primitive:"lines",positions:e.points,indices:i})}Os.load=function(e,t){var i=new XMLHttpRequest;i.open("GET",e,!0),i.responseType="arraybuffer",i.onload=function(e){t(e.target.response)},i.send()},Os.save=function(e,t){var i="data:application/octet-stream;base64,"+btoa(Os.parse._buffToStr(e));window.location.href=i},Os.clone=function(e){return JSON.parse(JSON.stringify(e))},Os.bin={},Os.bin.f=new Float32Array(1),Os.bin.fb=new Uint8Array(Os.bin.f.buffer),Os.bin.rf=function(e,t){for(var i=Os.bin.f,s=Os.bin.fb,r=0;r<4;r++)s[r]=e[t+r];return i[0]},Os.bin.rsl=function(e,t){return e[t]|e[t+1]<<8},Os.bin.ril=function(e,t){return e[t]|e[t+1]<<8|e[t+2]<<16|e[t+3]<<24},Os.bin.rASCII0=function(e,t){for(var i="";0!=e[t];)i+=String.fromCharCode(e[t++]);return i},Os.bin.wf=function(e,t,i){new Float32Array(e.buffer,t,1)[0]=i},Os.bin.wsl=function(e,t,i){e[t]=i,e[t+1]=i>>8},Os.bin.wil=function(e,t,i){e[t]=i,e[t+1]=i>>8,e[t+2]=i>>16,e[t+3]},Os.parse={},Os.parse._buffToStr=function(e){for(var t=new Uint8Array(e),i="",s=0;s<t.length;s++)i=i.concat(String.fromCharCode(t[s]));return i},Os.parse._strToBuff=function(e){for(var t=new ArrayBuffer(e.length),i=new Uint8Array(t),s=0;s<e.length;s++)i[s]=e.charCodeAt(s);return t},Os.parse._readLine=function(e,t){for(var i="";10!=e[t];)i+=String.fromCharCode(e[t++]);return i},Os.parse.fromJSON=function(e){return JSON.parse(Os.parse._buffToStr(e))},Os.parse.toJSON=function(e){var t=JSON.stringify(e);return Os.parse._strToBuff(t)},Os.parse.fromOBJ=function(e){for(var t={groups:{},c_verts:[],c_uvt:[],c_norms:[],i_verts:[],i_uvt:[],i_norms:[]},i={from:0,to:0},s=0,r=new Uint8Array(e);s<r.length;){var o=Os.parse._readLine(r,s);s+=o.length+1;var n=(o=(o=o.replace(/ +(?= )/g,"")).replace(/(^\s+|\s+$)/g,"")).split(" ");if("g"==n[0]&&(i.to=t.i_verts.length,null==t.groups[n[1]]&&(t.groups[n[1]]={from:t.i_verts.length,to:0}),i=t.groups[n[1]]),"v"==n[0]){var a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_verts.push(a,l,A)}if("vt"==n[0]){a=parseFloat(n[1]),l=1-parseFloat(n[2]);t.c_uvt.push(a,l)}if("vn"==n[0]){a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_norms.push(a,l,A)}if("f"==n[0]){var h=n[1].split("/"),c=n[2].split("/"),u=n[3].split("/"),d=parseInt(h[0])-1,p=parseInt(c[0])-1,f=parseInt(u[0])-1,g=parseInt(h[1])-1,m=parseInt(c[1])-1,_=parseInt(u[1])-1,v=parseInt(h[2])-1,b=parseInt(c[2])-1,y=parseInt(u[2])-1,x=t.c_verts.length/3,B=t.c_uvt.length/2,w=t.c_norms.length/3;if(d<0&&(d=x+d+1),p<0&&(p=x+p+1),f<0&&(f=x+f+1),g<0&&(g=B+g+1),m<0&&(m=B+m+1),_<0&&(_=B+_+1),v<0&&(v=w+v+1),b<0&&(b=w+b+1),y<0&&(y=w+y+1),t.i_verts.push(d,p,f),t.i_uvt.push(g,m,_),t.i_norms.push(v,b,y),5==n.length){var P=n[4].split("/"),C=parseInt(P[0])-1,M=parseInt(P[1])-1,E=parseInt(P[2])-1;C<0&&(C=x+C+1),M<0&&(M=B+M+1),E<0&&(E=w+E+1),t.i_verts.push(d,f,C),t.i_uvt.push(g,_,M),t.i_norms.push(v,y,E)}}}return i.to=t.i_verts.length,t},Os.parse.fromMD2=function(e){e=new Uint8Array(e);var t={},i={};i.ident=Os.bin.ril(e,0),i.version=Os.bin.ril(e,4),i.skinwidth=Os.bin.ril(e,8),i.skinheight=Os.bin.ril(e,12),i.framesize=Os.bin.ril(e,16),i.num_skins=Os.bin.ril(e,20),i.num_vertices=Os.bin.ril(e,24),i.num_st=Os.bin.ril(e,28),i.num_tris=Os.bin.ril(e,32),i.num_glcmds=Os.bin.ril(e,36),i.num_frames=Os.bin.ril(e,40),i.offset_skins=Os.bin.ril(e,44),i.offset_st=Os.bin.ril(e,48),i.offset_tris=Os.bin.ril(e,52),i.offset_frames=Os.bin.ril(e,56),i.offset_glcmds=Os.bin.ril(e,60),i.offset_end=Os.bin.ril(e,64);var s=i.offset_st;t.c_uvt=[];for(var r=0;r<i.num_st;r++){var o=Os.bin.rsl(e,s)/i.skinwidth,n=Os.bin.rsl(e,s+2)/i.skinheight;t.c_uvt.push(o,n),s+=4}s=i.offset_tris;var a=[],l=[];t.i_verts=a,t.i_uvt=l;for(r=0;r<i.num_tris;r++)a.push(Os.bin.rsl(e,s),Os.bin.rsl(e,s+2),Os.bin.rsl(e,s+4)),l.push(Os.bin.rsl(e,s+6),Os.bin.rsl(e,s+8),Os.bin.rsl(e,s+10)),s+=12;s=i.offset_skins;t.skins=[];for(r=0;r<i.num_skins;r++)t.skins.push(Os.bin.rASCII0(e,s)),s+=64;s=i.offset_frames;t.frames=[];var A=Os.parse.fromMD2._normals;for(r=0;r<i.num_frames;r++){var h={},c=Os.bin.rf(e,s),u=Os.bin.rf(e,s+4),d=Os.bin.rf(e,s+8);s+=12;var p=Os.bin.rf(e,s),f=Os.bin.rf(e,s+4),g=Os.bin.rf(e,s+8);s+=12,h.name=Os.bin.rASCII0(e,s),s+=16,h.verts=[],h.norms=[];for(var m=0;m<i.num_vertices;m++)h.verts.push(e[s]*c+p,e[s+1]*u+f,e[s+2]*d+g),h.norms.push(A[3*e[s+3]],A[3*e[s+3]+1],A[3*e[s+3]+2]),s+=4;t.frames.push(h)}return 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t=Os.parse._buffToStr(e),i=(new DOMParser).parseFromString(t,"text/xml"),s={},r=(i=i.childNodes[0]).getElementsByTagName("asset")[0],o=i.getElementsByTagName("library_geometries")[0],n=i.getElementsByTagName("library_images")[0],a=i.getElementsByTagName("library_materials")[0],l=i.getElementsByTagName("library_effects")[0];return r&&(s.asset=Os.parse.fromCollada._asset(r)),o&&(s.geometries=Os.parse.fromCollada._libGeometries(o)),n&&(s.images=Os.parse.fromCollada._libImages(n)),a&&(s.materials=Os.parse.fromCollada._libMaterials(a)),l&&(s.effects=Os.parse.fromCollada._libEffects(l)),s},Os.parse.fromCollada._asset=function(e){return{created:e.getElementsByTagName("created")[0].textContent,modified:e.getElementsByTagName("modified")[0].textContent,up_axis:e.getElementsByTagName("up_axis")[0].textContent}},Os.parse.fromCollada._libGeometries=function(e){e=e.getElementsByTagName("geometry");for(var t=[],i=0;i<e.length;i++){var s=e[i],r=Os.parse.fromCollada._getMesh(s.getElementsByTagName("mesh")[0]);t.push(r)}return t},Os.parse.fromCollada._getMesh=function(e){for(var t={},i=e.getElementsByTagName("source"),s=t.sources={},r=0;r<i.length;r++){for(var o=i[r].getElementsByTagName("float_array")[0].textContent.split(" "),n=o.length-(""==o[o.length-1]?1:0),a=new Array(n),l=0;l<n;l++)a[l]=parseFloat(o[l]);s[i[r].getAttribute("id")]=a}t.triangles=[];var A=e.getElementsByTagName("triangles");if(null==A)return t;for(r=0;r<A.length;r++){var h={},c=A[r];h.material=c.getAttribute("material");var u=c.getElementsByTagName("input"),d=[];for(l=0;l<u.length;l++){var p=u[l];a=[];d[parseInt(p.getAttribute("offset"))]=a;var f=p.getAttribute("semantic");h["s_"+f]="VERTEX"==f?e.getElementsByTagName("vertices")[0].getElementsByTagName("input")[0].getAttribute("source").substring(1):p.getAttribute("source").substring(1),h["i_"+f]=a,s[h["s_"+f]]}var g=c.getElementsByTagName("p")[0].textContent.split(" 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i=Os.bin.ril(e,2),s=6;s<i;){var r=Os.bin.rsl(e,s),o=Os.bin.ril(e,s+2);15677==r&&(t.edit=Os.parse.from3DS._edit3ds(e,s,o)),45056==r&&(t.keyf=Os.parse.from3DS._keyf3ds(e,s,o)),s+=o}return t},Os.parse.from3DS._edit3ds=function(e,t,i){for(var s={},r=t+6;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);16384==o&&(null==s.objects&&(s.objects=[]),s.objects.push(Os.parse.from3DS._edit_object(e,r,n))),r+=n}return s},Os.parse.from3DS._keyf3ds=function(e,t,i){for(var s={},r=t+6;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);45058==o&&(null==s.desc&&(s.desc=[]),s.desc.push(Os.parse.from3DS._keyf_objdes(e,r,n))),r+=n}return s},Os.parse.from3DS._keyf_objdes=function(e,t,i){for(var s={},r=t+6;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);45072==o&&(s.hierarchy=Os.parse.from3DS._keyf_objhierarch(e,r,n)),45073==o&&(s.dummy_name=Os.bin.rASCII0(e,r+6)),r+=n}return s},Os.parse.from3DS._keyf_objhierarch=function(e,t,i){var s={},r=t+6;return s.name=Os.bin.rASCII0(e,r),r+=s.name.length+1,s.hierarchy=Os.bin.rsl(e,r+4),s},Os.parse.from3DS._edit_object=function(e,t,i){var s={},r=t+6;for(s.name=Os.bin.rASCII0(e,r),r+=s.name.length+1;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);16640==o&&(s.mesh=Os.parse.from3DS._obj_trimesh(e,r,n)),r+=n}return s},Os.parse.from3DS._obj_trimesh=function(e,t,i){for(var s={},r=t+6;r<t+i;){var o=Os.bin.rsl(e,r),n=Os.bin.ril(e,r+2);16656==o&&(s.vertices=Os.parse.from3DS._tri_vertexl(e,r,n)),16672==o&&(s.indices=Os.parse.from3DS._tri_facel1(e,r,n)),16704==o&&(s.uvt=Os.parse.from3DS._tri_mappingcoors(e,r,n)),16736==o&&(s.local=Os.parse.from3DS._tri_local(e,r,n)),r+=n}return s},Os.parse.from3DS._tri_vertexl=function(e,t,i){var s=[],r=t+6,o=Os.bin.rsl(e,r);r+=2;for(var n=0;n<o;n++)s.push(Os.bin.rf(e,r)),s.push(Os.bin.rf(e,r+4)),s.push(Os.bin.rf(e,r+8)),r+=12;return s},Os.parse.from3DS._tri_facel1=function(e,t,i){var s=[],r=t+6,o=Os.bin.rsl(e,r);r+=2;for(var n=0;n<o;n++)s.push(Os.bin.rsl(e,r)),s.push(Os.bin.rsl(e,r+2)),s.push(Os.bin.rsl(e,r+4)),r+=8;return s},Os.parse.from3DS._tri_mappingcoors=function(e,t,i){var s=[],r=t+6,o=Os.bin.rsl(e,r);r+=2;for(var n=0;n<o;n++)s.push(Os.bin.rf(e,r)),s.push(1-Os.bin.rf(e,r+4)),r+=8;return s},Os.parse.from3DS._tri_local=function(e,t,i){var s={},r=t+6;return s.X=[Os.bin.rf(e,r),Os.bin.rf(e,r+4),Os.bin.rf(e,r+8)],r+=12,s.Y=[Os.bin.rf(e,r),Os.bin.rf(e,r+4),Os.bin.rf(e,r+8)],r+=12,s.Z=[Os.bin.rf(e,r),Os.bin.rf(e,r+4),Os.bin.rf(e,r+8)],r+=12,s.C=[Os.bin.rf(e,r),Os.bin.rf(e,r+4),Os.bin.rf(e,r+8)],r+=12,s},Os.parse.fromBIV=function(e){e=new Uint8Array(e);var t={},i={};return i.id=Os.bin.ril(e,0),i.verS=Os.bin.ril(e,4),i.texS=Os.bin.ril(e,8),i.indS=Os.bin.ril(e,12),i.verO=Os.bin.ril(e,16),i.verL=Os.bin.ril(e,20),i.texO=Os.bin.ril(e,24),i.texL=Os.bin.ril(e,28),i.indO=Os.bin.ril(e,32),i.indL=Os.bin.ril(e,36),0!=i.verO&&(t.vertices=Os.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=Os.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=Os.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},Os.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var s=32;t<=65535&&(s=16);var r=40;e.vertices&&(r+=4*e.vertices.length),e.uvt&&(r+=4*e.uvt.length),e.indices&&(r+=e.indices.length*s/8);var o=new Uint8Array(r);Os.bin.wil(o,0,1769365870),Os.bin.wil(o,4,32),Os.bin.wil(o,8,32),Os.bin.wil(o,12,s);var n=40;return e.vertices&&(Os.bin.wil(o,16,n),Os.bin.wil(o,20,4*e.vertices.length),Os.parse.fromBIV._writeFloats(o,n,e.vertices),n+=4*e.vertices.length),e.uvt&&(Os.bin.wil(o,24,n),Os.bin.wil(o,28,4*e.uvt.length),Os.parse.fromBIV._writeFloats(o,n,e.uvt),n+=4*e.uvt.length),e.indices&&(Os.bin.wil(o,32,n),Os.bin.wil(o,36,4*e.indices.length),Os.parse.fromBIV._writeInts(o,n,e.indices,s)),o.buffer},Os.parse.fromBIV._readFloats=function(e,t,i){for(var s=[],r=0;r<i/4;r++)s.push(Os.bin.rf(e,t+4*r));return s},Os.parse.fromBIV._writeFloats=function(e,t,i){for(var s=0;s<i.length;s++)Os.bin.wf(e,t+4*s,i[s])},Os.parse.fromBIV._readInts=function(e,t,i,s){for(var r=[],o=0;o<i/4;o++)16==s&&r.push(Os.bin.rsl(e,t+2*o)),32==s&&r.push(Os.bin.ril(e,t+4*o));return r},Os.parse.fromBIV._writeInts=function(e,t,i,s){for(var r=0;r<i.length;r++)16==s&&Os.bin.wsl(e,t+2*r,i[r]),32==s&&Os.bin.wil(e,t+4*r,i[r])},Os.gen={},Os.gen.Plane=function(e,t,i,s){i||(i=1),s||(s=1);for(var r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},Os.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},Os.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},Os.mat={},Os.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},Os.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},Os.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return Os.mat.rotate(e*s,t*s,i*s)},Os.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},Os.edit={},Os.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},Os.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},Os.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},Os.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},Os.utils={},Os.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class js extends D{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=c.vec3(t.pos||[0,0,0]),this._up=c.vec3(t.up||[0,1,0]),this._normal=c.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=c.vec3(),this._rtcPos=c.vec3(),this._imageSize=c.vec2(),this._texture=new Ts(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new ms(this,{matrix:c.inverseMat4(c.lookAtMat4v(this._pos,c.subVec3(this._pos,this._normal,c.mat4()),this._up,c.mat4())),children:[this._bitmapMesh=new ts(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new zt(this,Qs({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new Yt(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const Gs=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},zs=c.vec3(),Ws=c.vec3(),Ks=c.vec3();class Xs{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!Gs(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];zs[0]=e[r],zs[1]=e[r+1],zs[2]=e[r+2],Ws[0]=e[o],Ws[1]=e[o+1],Ws[2]=e[o+2],Ks[0]=e[n],Ks[1]=e[n+1],Ks[2]=e[n+2],c.cross3Vec3(zs,Ws,zs),i+=c.dotVec3(zs,Ks)}return i/6}}const Js=new Xs,Ys=c.vec3(),Zs=c.vec3(),qs=c.vec3(),$s=c.vec3(),er=c.vec3(),tr=c.vec3();class ir{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Ys[0]=e[r],Ys[1]=e[r+1],Ys[2]=e[r+2],Zs[0]=e[o],Zs[1]=e[o+1],Zs[2]=e[o+2],qs[0]=e[n],qs[1]=e[n+1],qs[2]=e[n+2],c.subVec3(Ys,Zs,$s),c.subVec3(qs,Zs,er),i+=.5*c.lenVec3(c.cross3Vec3($s,er,tr))}return i}}const sr=new ir,rr=c.OBB3(),or=c.OBB3(),nr=c.OBB3();class ar{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=c.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Js.reset(),Js.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{Js.addVertex(e)})),this.getEachIndex((e=>{Js.addIndex(e)})),this._volume=Js.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":sr.reset(),this.getEachVertex((e=>{sr.addVertex(e)})),this.getEachIndex((e=>{sr.addIndex(e)})),this._surfaceArea=sr.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);const t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}get aabb(){return this._aabbWorldDirty&&(c.AABB3ToOBB3(this._aabbLocal,rr),this.transform?(c.transformOBB3(this.transform.worldMatrix,rr,or),c.transformOBB3(this.model.worldMatrix,or,nr),c.OBB3ToAABB3(nr,this._aabbWorld)):(c.transformOBB3(this.model.worldMatrix,rr,or),c.OBB3ToAABB3(or,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const lr=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let Ar=0;const hr={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},cr=new Float32Array([1,1,1,1]),ur=new Float32Array([0,0,0,1]),dr=c.vec4(),pr=c.vec3(),fr=c.vec3(),gr=c.mat4();class mr{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const r=this._uSectionPlanes[t];if(r)if(t<n){const o=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(r.active,o?1:0),o){const o=a[t],n=e._state.origin;if(n){const e=J(o.dist,o.dir,n,pr,s.matrix);i.uniform3fv(r.pos,e)}else i.uniform3fv(r.pos,o.pos);i.uniform3fv(r.dir,o.dir)}}else i.uniform1i(r.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=Te.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:u,positionsDecodeMatrix:d}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,worldNormalMatrix:x}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let B=0;const w=16;this._matricesUniformBlockBufferData.set(y,0);const P=0!==u[0]||0!==u[1]||0!==u[2],C=0!==b[0]||0!==b[1]||0!==b[2];if(P||C){const e=pr;if(P){const t=c.transformPoint3(y,u,fr);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(W(v,e,gr),B+=w)}else this._matricesUniformBlockBufferData.set(v,B+=w);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,B+=w),this._matricesUniformBlockBufferData.set(d,B+=w),this._matricesUniformBlockBufferData.set(x,B+=w),this._matricesUniformBlockBufferData.set(m,B+=w),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;dr[0]=i,dr[1]=s,dr[2]=t.blendCutoff,dr[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,dr),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===hr[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===hr[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===hr[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?ur:cr)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,p.memory.programs--}}class _r extends mr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class vr extends _r{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class br extends _r{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class yr extends _r{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class xr extends _r{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class Br extends xr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class wr extends xr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Pr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Cr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Mr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Er extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Fr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class Ir extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Dr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class Sr extends _r{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Tr extends _r{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Rr extends _r{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Lr=c.vec3(),Ur=c.vec3(),Or=c.vec3(),kr=c.vec3(),Nr=c.mat4();class Qr extends mr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Lr;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ur;if(l){const e=Or;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Nr),g=kr,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Vr=c.vec3(),Hr=c.vec3(),jr=c.vec3(),Gr=c.vec3(),zr=c.mat4();class Wr extends mr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Vr;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Hr;if(l){const e=jr;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,zr),g=Gr,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Kr{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new yr(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Pr(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Cr(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Qr(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Wr(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new vr(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new vr(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new br(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new br(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Rr(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Rr(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Rr(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Rr(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Sr(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Sr(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new yr(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Fr(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Ir(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Br(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new wr(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Pr(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Mr(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Tr(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Cr(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Er(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Dr(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Wr(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Qr(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Xr={};let Jr=65536,Yr=5e6;class Zr{constructor(){}set doublePrecisionEnabled(e){c.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return c.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Jr=e}get maxDataTextureHeight(){return Jr}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Yr=e}get maxGeometryBatchSize(){return Yr}}const qr=new Zr;class $r{constructor(e=qr.maxGeometryBatchSize){this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const eo=c.mat4(),to=c.mat4();function io(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,u=65525,d=u/l,p=u/A,f=u/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*d),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return c.identityMat4(eo),c.translationMat4v(t,eo),c.identityMat4(to),c.scalingMat4v([l/u,A/u,h/u],to),c.mulMat4(eo,to,i),r}function so(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return c.identityMat4(eo),c.translationMat4v(e,eo),c.identityMat4(to),c.scalingMat4v([o/l,n/l,a/l],to),c.mulMat4(eo,to,t),t}function ro(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function oo(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const no=c.mat4(),ao=c.mat4(),lo=c.vec4([0,0,0,1]),Ao=c.vec3(),ho=c.vec3(),co=c.vec3(),uo=c.vec3(),po=c.vec3(),fo=c.vec3(),go=c.vec3();class mo{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Xr[t];return i||(i=new Kr(e),Xr[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Xr[t],i._destroy()}))),i}(e.model.scene),this._buffer=new $r(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new At({origin:c.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=c.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=c.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,u=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let x;if(c.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";x=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";x=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=no;m?c.inverseMat4(c.transposeMat4(m,ao),e):c.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,u,d=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(u=0;u<i;u+=3)d[0]=t[u],d[1]=t[u+1],d[2]=t[u+2],c.transformVec3(e,d,p),c.normalizeVec3(p,p),l=n=ro(p,"floor","floor"),a=oo(n),A=h=o(p,a),n=ro(p,"ceil","floor"),a=oo(n),A=o(p,a),A>h&&(l=n,h=A),n=ro(p,"floor","ceil"),a=oo(n),A=o(p,a),A>h&&(l=n,h=A),n=ro(p,"ceil","ceil"),a=oo(n),A=o(p,a),A>h&&(l=n,h=A),s[r+u+0]=l[0],s[r+u+1]=l[1],s[r+u+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(d){const e=d[0],t=d[1],i=d[2],s=g;for(let r=0;r<x;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const B=null!=p?p:0,w=null!=f?f:255;for(let e=0;e<x;e++)b.metallicRoughness.push(B),b.metallicRoughness.push(w);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(u)for(let e=0,t=u.length;e<t;e++)b.edgeIndices.push(y+u[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*x;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<x;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const P=this._portions.length,C={vertsBaseIndex:y,numVerts:x,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),P}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):io(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=c.mat4());if(e.positionsBuf=new je(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new je(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new je(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new je(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=Ht.getUVBounds(i.uv),r=Ht.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=c.mat3(r.decodeMatrix),e.uvBuf=new je(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new je(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new je(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new je(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new je(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&Y),A=!!(t&te),h=!!(t&ie),c=!!(t&se),u=!!(t&re),d=!!(t&q),p=!!(t&Z);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,g=!l||p?hr.NOT_RENDERED:c?hr.SILHOUETTE_SELECTED:h?hr.SILHOUETTE_HIGHLIGHTED:A?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let m=0;m=!l||p?hr.NOT_RENDERED:c?hr.EDGES_SELECTED:h?hr.EDGES_HIGHLIGHTED:A?hr.EDGES_XRAYED:u?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let _=l&&!p&&d?hr.PICK:hr.NOT_RENDERED;const v=t&$?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=this.model.matrix,n=c.vec4();n.set(i.origin,0),n[3]=1,c.mulMat4v4(o,n,n);const a=n[0],l=n[1],A=n[2],h=lo,u=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)h[0]=r[e],h[1]=r[e+1],h[2]=r[e+2],h[3]=1,c.decompressPosition(h,u),h[3]=1,c.mulMat4v4(o,h,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,hr.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,hr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,u=Ao,d=ho;u.set(A?c.subVec3(t,A,co):t),d.set(i),h&&c.subVec3(u,h),c.transformRay(this.model.worldNormalMatrix,u,d,u,d);const p=uo,f=po,g=fo;let m=!1,_=0;const v=go;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],c.decompressPosition(p,o.positionsDecodeMatrix),c.decompressPosition(f,o.positionsDecodeMatrix),c.decompressPosition(g,o.positionsDecodeMatrix),c.rayTriangleIntersect(u,d,p,f,g,v)){c.transformPoint3(this.model.worldMatrix,v,v),h&&c.addVec3(v,h),A&&c.addVec3(v,A);const e=Math.abs(c.lenVec3(c.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&c.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class _o extends mr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class vo extends _o{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class bo extends _o{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class yo extends _o{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class xo extends _o{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class Bo extends xo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class wo extends xo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Po extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class Co extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Mo extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Eo extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Fo extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class Io extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Do extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const So={3e3:"linearToLinear",3001:"sRGBToLinear"};class To extends _o{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+So[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+So[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Ro extends _o{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Lo extends _o{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Uo=c.vec3(),Oo=c.vec3(),ko=c.vec3(),No=c.vec3(),Qo=c.mat4();class Vo extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Uo;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Oo;if(l){const e=c.transformPoint3(h,l,ko);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Qo),g=No,g[0]=n.eye[0]-t[0],g[1]=n.eye[1]-t[1],g[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,g),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ho=c.vec3(),jo=c.vec3(),Go=c.vec3(),zo=c.vec3(),Wo=c.mat4();class Ko extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ho;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=jo;if(l){const e=c.transformPoint3(h,l,Go);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Wo),g=zo,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Xo{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new yo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Po(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Co(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Vo(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ko(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new vo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new vo(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new bo(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new bo(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Lo(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Lo(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Lo(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Lo(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new To(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new To(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new yo(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Fo(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Io(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Bo(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new wo(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Po(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Mo(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Ro(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Co(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Eo(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Do(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ko(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Vo(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Jo={};const Yo=new Uint8Array(4),Zo=new Float32Array(1),qo=c.vec4([0,0,0,1]),$o=new Float32Array(3),en=c.vec3(),tn=c.vec3(),sn=c.vec3(),rn=c.vec3(),on=c.vec3(),nn=c.vec3(),an=c.vec3(),ln=new Float32Array(4);class An{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Jo[t];return i||(i=new Xo(e),Jo[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Jo[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new At({numInstances:0,obb:c.OBB3(),origin:c.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=c.transposeMat4(n,c.mat4()),t=c.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const u=this._portions.length,d={};return this.model.scene.readableGeometryEnabled&&(d.matrix=n.slice(),d.inverseMatrix=null,d.normalMatrix=null),this._portions.push(d),this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new je(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new je(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new je(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new je(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=c.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new je(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new je(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new je(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),t.edgeIndices&&t.edgeIndices.length>0&&(e.edgeIndicesBuf=new je(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new je(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new je(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Yo[0]=t[0],Yo[1]=t[1],Yo[2]=t[2],Yo[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Yo,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&Y),r=!!(t&te),o=!!(t&ie),n=!!(t&se),a=!!(t&re),l=!!(t&q),A=!!(t&Z);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,c=!s||A?hr.NOT_RENDERED:n?hr.SILHOUETTE_SELECTED:o?hr.SILHOUETTE_HIGHLIGHTED:r?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let u=0;u=!s||A?hr.NOT_RENDERED:n?hr.EDGES_SELECTED:o?hr.EDGES_HIGHLIGHTED:r?hr.EDGES_XRAYED:a?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?hr.PICK:hr.NOT_RENDERED)<<12,d|=(t&$?1:0)<<16,Zo[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Zo,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?($o[0]=t[0],$o[1]=t[1],$o[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData($o,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=this.model.matrix,a=c.vec4();a.set(i.origin,0),a[3]=1,c.mulMat4v4(n,a,a);const l=a[0],A=a[1],h=a[2],u=qo,d=r.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)u[0]=o[e],u[1]=o[e+1],u[2]=o[e+2],c.decompressPosition(u,p),c.transformPoint3(d,u,u),u[3]=1,c.mulMat4v4(n,u,u),u[0]+=l,u[1]+=A,u[2]+=h,t(u)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;ln[0]=t[0],ln[1]=t[4],ln[2]=t[8],ln[3]=t[12],this._state.modelMatrixCol0Buf.setData(ln,i),ln[0]=t[1],ln[1]=t[5],ln[2]=t[9],ln[3]=t[13],this._state.modelMatrixCol1Buf.setData(ln,i),ln[0]=t[2],ln[1]=t[6],ln[2]=t[10],ln[3]=t[14],this._state.modelMatrixCol2Buf.setData(ln,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,hr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=c.inverseMat4(a.matrix,c.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=c.transposeMat4(a.inverseMatrix,c.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,u=a.offset,d=en,p=tn;d.set(h?c.subVec3(t,h,sn):t),p.set(i),u&&c.subVec3(d,u),c.transformRay(this.model.worldNormalMatrix,d,p,d,p),c.transformRay(a.inverseMatrix,d,p,d,p);const f=rn,g=on,m=nn;let _=!1,v=0;const b=an;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:x}=n.geometry;if(c.decompressPosition(f,x),c.decompressPosition(g,x),c.decompressPosition(m,x),c.rayTriangleIntersect(d,p,f,g,m,b)){c.transformPoint3(a.matrix,b,b),c.transformPoint3(this.model.worldMatrix,b,b),u&&c.addVec3(b,u),h&&c.addVec3(b,h);const e=Math.abs(c.lenVec3(c.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&c.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(c.transformVec3(a.normalMatrix,r,r),c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class hn extends mr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class cn extends hn{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class un extends hn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const dn=c.vec3(),pn=c.vec3(),fn=c.vec3(),gn=c.vec3(),mn=c.mat4();class _n extends mr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=dn;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=pn;if(l){const e=fn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,mn),g=gn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const vn=c.vec3(),bn=c.vec3(),yn=c.vec3(),xn=c.vec3(),Bn=c.mat4();class wn extends mr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=vn;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=bn;if(l){const e=yn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Bn),g=xn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Pn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new cn(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new un(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new _n(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new wn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Cn={};class Mn{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class En{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Cn[t];return i||(i=new Pn(e),Cn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Cn[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new Mn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new At({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(c.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new je(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=io(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new je(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new je(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new je(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new je(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new je(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&Y),l=!!(t&te),A=!!(t&ie),h=!!(t&se),c=!!(t&q),u=!!(t&Z);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,p=!a||u?hr.NOT_RENDERED:h?hr.SILHOUETTE_SELECTED:A?hr.SILHOUETTE_HIGHLIGHTED:l?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let f=a&&!u&&c?hr.PICK:hr.NOT_RENDERED;const g=t&$?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class Fn extends mr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class In extends Fn{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Dn extends Fn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Sn=c.vec3(),Tn=c.vec3(),Rn=c.vec3();c.vec3();const Ln=c.mat4();class Un extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Sn;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Tn;if(l){const e=c.transformPoint3(h,l,Rn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Ln),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const On=c.vec3(),kn=c.vec3(),Nn=c.vec3();c.vec3();const Qn=c.mat4();class Vn extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=On;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=kn;if(l){const e=c.transformPoint3(h,l,Nn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Qn),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Hn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new Un(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Vn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new In(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Dn(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Un(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Vn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const jn={};const Gn=new Uint8Array(4),zn=new Float32Array(1),Wn=new Float32Array(3),Kn=new Float32Array(4);class Xn{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=jn[t];return i||(i=new Hn(e),jn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete jn[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new At({obb:c.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=c.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new je(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new je(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new je(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=c.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new je(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Gn[0]=t[0],Gn[1]=t[1],Gn[2]=t[2],Gn[3]=t[3],this._state.colorsBuf.setData(Gn,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&Y),r=!!(t&te),o=!!(t&ie),n=!!(t&se),a=!!(t&re),l=!!(t&q),A=!!(t&Z);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,c=!s||A?hr.NOT_RENDERED:n?hr.SILHOUETTE_SELECTED:o?hr.SILHOUETTE_HIGHLIGHTED:r?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let u=0;u=!s||A?hr.NOT_RENDERED:n?hr.EDGES_SELECTED:o?hr.EDGES_HIGHLIGHTED:r?hr.EDGES_XRAYED:a?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?hr.PICK:hr.NOT_RENDERED)<<12,d|=(t&$?255:0)<<16,zn[0]=d,this._state.flagsBuf.setData(zn,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Wn[0]=t[0],Wn[1]=t[1],Wn[2]=t[2],this._state.offsetsBuf.setData(Wn,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;Kn[0]=t[0],Kn[1]=t[4],Kn[2]=t[8],Kn[3]=t[12],this._state.modelMatrixCol0Buf.setData(Kn,i),Kn[0]=t[1],Kn[1]=t[5],Kn[2]=t[9],Kn[3]=t[13],this._state.modelMatrixCol1Buf.setData(Kn,i),Kn[0]=t[2],Kn[1]=t[6],Kn[2]=t[10],Kn[3]=t[14],this._state.modelMatrixCol2Buf.setData(Kn,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class Jn extends mr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class Yn extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Zn extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class qn extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class $n extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class ea extends Jn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const ta=c.vec3(),ia=c.vec3(),sa=c.vec3(),ra=c.vec3(),oa=c.mat4();class na extends mr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ta;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ia;if(l){const e=sa;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,oa),g=ra,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform1f(this._uPointSize,1);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const aa=c.vec3(),la=c.vec3(),Aa=c.vec3(),ha=c.vec3(),ca=c.mat4();class ua extends mr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=aa;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=la;if(l){const e=Aa;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,ca),g=ha,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class da{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Yn(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Zn(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new qn(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new $n(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ea(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new na(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new ua(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const pa={};class fa{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=pa[t];return i||(i=new da(e),pa[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete pa[t],i._destroy()}))),i}(e.model.scene);const t=e.maxGeometryBatchSize||5e6,i=function(){const e=[];return{append:function(t,i=1,s=1){e.push({data:t,times:i,denormalizeScale:s})},compileBuffer:function(t){let i=0;e.forEach((e=>{i+=e.times*e.data.length}));const s=new t(i);let r=0;return e.forEach((e=>{const t=e.data,i=e.denormalizeScale,o=s.subarray(r);if(1===i)o.set(t,0);else for(let e=0;e<t.length;++e)o[e]=t[e]*i;let n=t.length;const a=e.times*t.length;for(;n<a;){const e=Math.min(n,a-n);o.set(o.subarray(0,e),n),n+=e}r+=n})),s}}};this._buffer={maxVerts:t,positions:i(),colors:i(),pickColors:i(),vertsIndex:0},this._scratchMemory=e.scratchMemory,this._state=new At({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin))}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=this._buffer,s=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!s)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(s);const r=s.length/3,o=t.color,n=t.colorsCompressed,a=t.colors,l=t.pickColor;n?i.colors.append(n):a?i.colors.append(a,1,255):o&&i.colors.append([o[0],o[1],o[2],1],r),i.pickColors.append(l.slice(0,4),r),c.expandAABB3(this._modelAABB,t.aabb);const A=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(r),this._buffer.vertsIndex+=r,this._numPortions++,this.model.numPortions++,this._meshes.push(e),A}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,s=(e,i,s)=>e.length>0?new je(t,t.ARRAY_BUFFER,e,e.length,i,s):null,r=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):io(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=s(r,3,t.STATIC_DRAW),e.flagsBuf=s(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=s(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=s(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?s(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&Y),l=!!(t&te),A=!!(t&ie),h=!!(t&se),c=!!(t&q),u=!!(t&Z);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,p=!a||u?hr.NOT_RENDERED:h?hr.SILHOUETTE_SELECTED:A?hr.SILHOUETTE_HIGHLIGHTED:l?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let f=a&&!u&&c?hr.PICK:hr.NOT_RENDERED;const g=t&$?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class ga extends mr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class ma extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class _a extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class va extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class ba extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class ya extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class xa extends ga{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Ba extends ga{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const wa=c.vec3(),Pa=c.vec3(),Ca=c.vec3();c.vec3();const Ma=c.mat4();class Ea extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=wa;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Pa;if(l){const e=c.transformPoint3(h,l,Ca);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Ma),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Fa=c.vec3(),Ia=c.vec3(),Da=c.vec3();c.vec3();const Sa=c.mat4();class Ta extends mr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Fa;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ia;if(l){const e=c.transformPoint3(h,l,Da);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=W(d,t,Sa),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ra{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ma(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new _a(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new xa(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new va(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ba(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ya(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Ba(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ea(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ta(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const La={};const Ua=new Uint8Array(4),Oa=new Float32Array(1),ka=new Float32Array(3),Na=new Float32Array(4);class Qa{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=La[t];return i||(i=new Ra(e),La[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete La[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new At({obb:c.OBB3(),numInstances:0,origin:e.origin?c.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new je(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=c.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new je(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new je(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new je(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Ua[0]=t[0],Ua[1]=t[1],Ua[2]=t[2],this._state.colorsBuf.setData(Ua,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&Y),r=!!(t&te),o=!!(t&ie),n=!!(t&se),a=!!(t&re),l=!!(t&q),A=!!(t&Z);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,c=!s||A?hr.NOT_RENDERED:n?hr.SILHOUETTE_SELECTED:o?hr.SILHOUETTE_HIGHLIGHTED:r?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let u=0;u=!s||A?hr.NOT_RENDERED:n?hr.EDGES_SELECTED:o?hr.EDGES_HIGHLIGHTED:r?hr.EDGES_XRAYED:a?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?hr.PICK:hr.NOT_RENDERED)<<12,d|=(t&$?255:0)<<16,Oa[0]=d,this._state.flagsBuf.setData(Oa,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(ka[0]=t[0],ka[1]=t[1],ka[2]=t[2],this._state.offsetsBuf.setData(ka,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;Na[0]=t[0],Na[1]=t[4],Na[2]=t[8],Na[3]=t[12],this._state.modelMatrixCol0Buf.setData(Na,i),Na[0]=t[1],Na[1]=t[5],Na[2]=t[9],Na[3]=t[13],this._state.modelMatrixCol1Buf.setData(Na,i),Na[0]=t[2],Na[1]=t[6],Na[2]=t[10],Na[3]=t[14],this._state.modelMatrixCol2Buf.setData(Na,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const Va=c.vec3(),Ha=c.vec3(),ja=c.mat4();class Ga{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o,d=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Va;if(f){const t=c.transformPoint3(u,A,Ha);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,ja)}else p=d;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Va,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class za{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Ga(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const Wa={};class Ka{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class Xa{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class Ja{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const Ya={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Ya,null,4));let e=0;Object.keys(Ya).forEach((t=>{t.startsWith("size")&&(e+=Ya[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Ya.totalLines).toFixed(2)}`);let t={};Object.keys(Ya).forEach((i=>{i.startsWith("size")&&(t[i]=`${(Ya[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class Za{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);Ya.sizeDataColorsAndFlags+=l.byteLength,Ya.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);Ya.sizeDataTextureOffsets+=r.byteLength,Ya.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Ya.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Ya.sizeDataPositionDecodeMatrices+=o.byteLength,Ya.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);Ya.sizeDataTextureIndices+=o.byteLength,Ya.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);Ya.sizeDataTextureIndices+=o.byteLength,Ya.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);Ya.sizeDataTextureIndices+=o.byteLength,Ya.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);Ya.sizeDataTexturePositions+=n.byteLength,Ya.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),Ya.sizeDataTexturePortionIds+=o.byteLength,Ya.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}}const qa=new Zr,$a=qa.maxDataTextureHeight,el=new Float32Array(16),tl=new Uint8Array(4),il=new Float32Array(3);let sl=0;const rl=c.identityMat4();class ol{constructor(e,t){Ya.numberOfLayers++,this._layerNumber=sl++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=Wa[t];return i||(i=new za(e),Wa[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Wa[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new Ka,this._dataTextureState=new Xa,this._dataTextureGenerator=new Za,this._state=new At({origin:c.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Ya.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*$a||t+r>4096*$a)&&Ya.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*$a&&t+r<=4096*$a}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;Ya.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,Ya.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||rl),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,Ya.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,Ya.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,Ya.totalLines32Bits+=t.numLines),Ya.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,Ya.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;tl[0]=t[0],tl[1]=t[1],tl[2]=t[2],tl[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(tl,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,tl))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&Y),o=!!(t&te),n=!!(t&Z);let a,l;a=!r||n||o?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,l=!r||n?hr.NOT_RENDERED:!!(t&se)?hr.SILHOUETTE_SELECTED:!!(t&ie)?hr.SILHOUETTE_HIGHLIGHTED:o?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let A=r&&!n&&!!(t&q)?hr.PICK:hr.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;tl[0]=a,tl[1]=l,tl[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(tl,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,tl))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&$?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;tl[0]=s,tl[1]=0,tl[2]=1,tl[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(tl,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,tl))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;il[0]=t[0],il[1]=t[1],il[2]=t[2],i.texturePerObjectOffsets._textureData.set(il,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,il))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;el.set(t),i.texturePerObjectInstanceMatrices._textureData.set(el,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,el))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const nl=c.vec3(),al=c.vec3(),ll=c.vec3();c.vec3();const Al=c.vec4(),hl=c.mat4();class cl{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=nl;if(f){const t=c.transformPoint3(u,A,al);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],d=W(r.viewMatrix,e,hl),p=ll,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else d=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,nl,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new He(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;Al[0]=t,Al[1]=r,Al[2]=s.blendCutoff,Al[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,Al),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ul=new Float32Array([1,1,1]),dl=c.vec3(),pl=c.vec3(),fl=c.vec3();c.vec3();const gl=c.mat4();class ml{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o,d=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=dl;if(A){const t=pl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,gl),f=fl,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=d,f=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===hr.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===hr.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===hr.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,ul);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,r=o.renderFlags;for(let t=0;t<g;t++){const s=this._uSectionPlanes[t];if(s)if(t<m){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,dl,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const _l=new Float32Array([0,0,0,1]),vl=c.vec3(),bl=c.vec3();c.vec3();const yl=c.mat4();class xl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=vl;if(f){const t=c.transformPoint3(u,A,bl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,yl)}else p=d;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===hr.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===hr.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===hr.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,_l);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,vl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Bl=c.vec3(),wl=c.vec3(),Pl=c.mat4();class Cl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Bl;if(f){const t=c.transformPoint3(u,A,wl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,Pl)}else p=d;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Bl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ml=c.vec3(),El=c.vec3(),Fl=c.vec3(),Il=c.mat4();class Dl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=Ml;if(v){const t=c.transformPoint3(u,A,El);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=W(d,e,Il),_=Fl,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=d,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const r=this._uSectionPlanes[t];if(r)if(t<x){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Ml,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Sl=c.vec3(),Tl=c.vec3(),Rl=c.vec3();c.vec3();const Ll=c.mat4();class Ul{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Sl;if(A){const e=Tl;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=W(d,t,Ll),_=Rl,_[0]=f[0]-t[0],_[1]=f[1]-t[1],_[2]=f[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=d,_=f,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const v=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(v>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*b,o=s.renderFlags;for(let t=0;t<v;t++){const r=this._uSectionPlanes[t];if(r)if(t<b){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Sl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ol=c.vec3(),kl=c.vec3(),Nl=c.vec3(),Ql=c.vec3();c.vec3();const Vl=c.mat4();class Hl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=Ol;let g,m;f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=kl;if(_){const e=c.transformPoint3(u,A,Nl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=W(p,t,Vl),m=Ql,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Ol,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}const x="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(x,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(x,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(x,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const jl=c.vec3(),Gl=c.vec3(),zl=c.vec3(),Wl=c.vec3();c.vec3();const Kl=c.mat4();class Xl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=jl;let g,m;f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=Gl;if(_){const e=zl;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=W(p,t,Kl),m=Wl,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,jl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Jl=c.vec3(),Yl=c.vec3(),Zl=c.vec3();c.vec3();const ql=c.mat4();class $l{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Jl;if(A){const t=Yl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=W(d,e,ql),f=Zl,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=d,f=o.eye;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const g=r._sectionPlanesState.getNumAllocatedSectionPlanes(),m=r._sectionPlanesState.sectionPlanes.length;if(g>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,o=s.renderFlags;for(let t=0;t<g;t++){const r=this._uSectionPlanes[t];if(r)if(t<m){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,Jl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const eA=c.vec3(),tA=c.vec3(),iA=c.vec3();c.vec3();const sA=c.mat4();class rA{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=eA;if(f){const t=c.transformPoint3(u,A,tA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],d=W(r.viewMatrix,e,sA),p=iA,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else d=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,eA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const oA=c.vec3(),nA=c.vec3(),aA=c.vec3();c.vec3();const lA=c.mat4();class AA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const f=0!==l[0]||0!==l[1]||0!==l[2],g=0!==A[0]||0!==A[1]||0!==A[2];if(f||g){const e=oA;if(f){const t=nA;c.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],d=W(u,e,lA),p=aA,p[0]=o.eye[0]-e[0],p[1]=o.eye[1]-e[1],p[2]=o.eye[2]-e[2]}else d=u,p=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,h),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(l){const e=J(i.dist,i.dir,l,oA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Te.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&Te.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const hA=c.vec3(),cA=c.vec3(),uA=c.vec3();c.vec3(),c.vec4();const dA=c.mat4();class pA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));const d=e.pickViewMatrix||r.viewMatrix,p=e.pickProjMatrix||r.projMatrix,f=e.pickOrigin||r.eye,g=e.pickProjMatrix?e.pickZFar:r.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=hA;if(v){const t=c.transformPoint3(u,A,cA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=W(d,e,dA),_=uA,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=d,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=s._sectionPlanesState.getNumAllocatedSectionPlanes(),x=s._sectionPlanesState.sectionPlanes.length;if(y>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,r=o.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=J(i.dist,i.dir,A,hA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new He(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class fA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new ml(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Dl(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Ul(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new pA(this._scene)),this._snapRenderer||(this._snapRenderer=new Hl(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Xl(this._scene)),this._snapRenderer||(this._snapRenderer=new Hl(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new cl(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new cl(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ml(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new rA(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new AA(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new xl(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Cl(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Dl(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new pA(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new pA(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Ul(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Hl(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Xl(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new $l(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const gA={};class mA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class _A{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const vA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(vA,null,4));let e=0;Object.keys(vA).forEach((t=>{t.startsWith("size")&&(e+=vA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/vA.totalPolygons).toFixed(2)}`);let t={};Object.keys(vA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(vA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class bA{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);vA.sizeDataColorsAndFlags+=h.byteLength,vA.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);vA.sizeDataTextureOffsets+=r.byteLength,vA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);vA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);vA.sizeDataPositionDecodeMatrices+=o.byteLength,vA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);vA.sizeDataTextureIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);vA.sizeDataTextureIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);vA.sizeDataTextureIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);vA.sizeDataTextureEdgeIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);vA.sizeDataTextureEdgeIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);vA.sizeDataTextureEdgeIndices+=o.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);vA.sizeDataTexturePositions+=n.byteLength,vA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),vA.sizeDataTexturePortionIds+=o.byteLength,vA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Ja(e,n,s,r)}}const yA=new Zr,xA=yA.maxDataTextureHeight,BA=c.vec4(),wA=new Float32Array(16),PA=new Uint8Array(4),CA=new Float32Array(3);let MA=0;const EA=c.identityMat4();class FA{constructor(e,t){vA.numberOfLayers++,this._layerNumber=MA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=gA[t];return i||(i=new fA(e),gA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete gA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new mA,this._dtxState=new _A,this._dtxTextureFactory=new bA,this._state=new At({origin:c.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&vA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*xA||t+r>4096*xA)&&vA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*xA&&t+r<=4096*xA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;vA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;vA.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,vA.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||EA),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,vA.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,vA.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,vA.totalPolygons32Bits+=t.numTriangles),vA.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,vA.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,vA.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,vA.totalEdges32Bits+=t.numEdges),vA.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,vA.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&Y&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ie&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&te&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&se&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&re&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&q&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Z&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&$?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&q?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;PA[0]=t[0],PA[1]=t[1],PA[2]=t[2],PA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(PA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,PA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&Y),o=!!(t&te),n=!!(t&ie),a=!!(t&se),l=!!(t&re),A=!!(t&q),h=!!(t&Z);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?hr.NOT_RENDERED:i?hr.COLOR_TRANSPARENT:hr.COLOR_OPAQUE,u=!r||h?hr.NOT_RENDERED:a?hr.SILHOUETTE_SELECTED:n?hr.SILHOUETTE_HIGHLIGHTED:o?hr.SILHOUETTE_XRAYED:hr.NOT_RENDERED;let d=0;d=!r||h?hr.NOT_RENDERED:a?hr.EDGES_SELECTED:n?hr.EDGES_HIGHLIGHTED:o?hr.EDGES_XRAYED:l?i?hr.EDGES_COLOR_TRANSPARENT:hr.EDGES_COLOR_OPAQUE:hr.NOT_RENDERED;let p=r&&!h&&A?hr.PICK:hr.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;PA[0]=c,PA[1]=u,PA[2]=d,PA[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(PA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,PA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&$?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;PA[0]=s,PA[1]=0,PA[2]=1,PA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(PA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,PA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;CA[0]=t[0],CA[1]=t[1],CA[2]=t[2],i.texturePerObjectOffsets._textureData.set(CA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,CA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;wA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(wA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,wA))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],u=l[2],d=BA;for(let e=0,i=n.length;e<i;e+=3)d[0]=n[e],d[1]=n[e+1],d[2]=n[e+2],d[3]=1,c.decompressPosition(d,a),c.transformPoint4(this.model.worldMatrix,d,d),c.transformPoint4(this.model.worldMatrix,d,d),d[0]+=A,d[1]+=h,d[2]+=u,t(d)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,hr.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,hr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,hr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,hr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,hr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,hr.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,hr.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,hr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,hr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,hr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,hr.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class IA{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class DA{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const SA={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class TA{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const RA=new TA;class LA{constructor(e){this.manager=void 0!==e?e:RA,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const UA={};class OA extends LA{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=SA.get(e);if(void 0!==r)return this.manager.itemStart(e),M.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==UA[e])return void UA[e].push({onLoad:t,onProgress:i,onError:s});UA[e]=[],UA[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=UA[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{SA.add(e,t);const i=UA[e];delete UA[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=UA[e];if(void 0===i)throw this.manager.itemError(e),t;delete UA[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class kA{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let NA=0;class QA{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new kA,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new OA;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new OA;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=QA.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(QA.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(QA.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(QA.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),NA>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),NA++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),NA--}}QA.BasisFormat={ETC1S:0,UASTC_4x4:1},QA.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},QA.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},QA.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const VA={};function HA(e){const t=e.scene.id;let i=VA[t];return i||(i=new QA({viewer:e}),VA[t]=i,e.scene.on("destroyed",(()=>{delete VA[t],i.destroy()}))),i}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
@@ -14,7 +14,7 @@
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/let KA=null;function XA(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=KA[i],o=KA[i+1],n=KA[i+2]),c=Math.min(a=KA[s],l=KA[s+1],A=KA[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let JA=null;function YA(e,t){let i=JA[2*e]-JA[2*t];return 0!==i?i:JA[2*e+1]-JA[2*t+1]}function ZA(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;KA=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)KA[i]=e[i]>>t;i.sort(XA);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}JA=new Int32Array(e),t.sort(YA);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const qA=c.vec4(4),$A=c.vec4(),eh=c.vec4(),th=c.vec3([1,0,0]),ih=c.vec3([0,1,0]),sh=c.vec3([0,0,1]);c.vec3(3),c.vec3(3);const rh=c.identityMat4();class oh{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=c.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=c.identityMat4(new Float32Array(16)),this._worldMatrix=c.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||rh),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return qA[0]=e[0],qA[1]=e[1],qA[2]=e[2],qA[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(qA,$A),c.mulQuaternions(this.quaternion,$A,eh),this.quaternion=eh,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return qA[0]=e[0],qA[1]=e[1],qA[2]=e[2],qA[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(qA,$A),c.mulQuaternions($A,this.quaternion,$A),this}rotateX(e){return this.rotate(th,e)}rotateY(e){return this.rotate(ih,e)}rotateZ(e){return this.rotate(sh,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)c.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const nh=c.vec3(),ah=c.OBB3(),lh=c.vec4(),Ah=c.vec3([1,1,1]),hh=c.vec3([0,0,0]);c.vec3([0,0,0]);const ch=c.identityQuaternion(),uh=c.identityMat4(),dh=new Uint8Array([255,255,255]);class ph extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(Ar++,lr),this._textureTranscoder=t.textureTranscoder||HA(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=c.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new Gi,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=c.vec3(t.origin||[0,0,0]),this._position=c.vec3(t.position||[0,0,0]),this._rotation=c.vec3(t.rotation||[0,0,0]),this._quaternion=c.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=c.vec4(t.quaternion||[0,0,0,1]),t.rotation&&c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=c.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=c.mat4(),this._worldRotationMatrixConjugate=c.mat4(),this._matrix=c.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=c.mat4(),c.inverseMat4(this._matrix,this._worldNormalMatrix),c.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=c.mat4(),this._viewNormalMatrix=c.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new DA({id:"defaultColorTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new DA({id:"defaultMetalRoughTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new DA({id:"defaultNormalsTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new DA({id:"defaultEmissiveTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new DA({id:"defaultOcclusionTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new IA({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||uh),c.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),c.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),c.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),c.scaleMat4v(this._scale,this._worldRotationMatrix),c.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),c.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}get rotationMatrixConjugate(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}_rebuildViewMatrices(){this._rebuildMatrices(),this._viewMatrixDirty&&(c.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}get viewMatrix(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)c.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:so(e.aabb,c.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=so(e.positionsDecodeBoundary,c.mat4())),e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=io(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),c.expandAABB3Points3(t,e.positionsCompressed),Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=c.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Lt(e.positions,e.indices,null,5):e.edgeIndices=Lt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Ht.getUVBounds(e.uv),i=Ht.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new Ms({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;if(t.crossOrigin="Anonymous",t.compressed){const e=t.data;l.setCompressedData({mipmaps:e,props:{format:e[0].format,minFilter:i,magFilter:s}})}else l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?_.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new DA({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new IA({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new oh({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Ah,i=e.position||hh;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",lh),e.meshMatrix=c.composeMat4(i,lh,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||ch,t,c.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=so(e.positionsDecodeBoundary,c.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):dh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=c.vec3(),i=[];X(e.positions,i,t)&&(e.positions=i,e.origin=c.addVec3(e.origin,t,t))}if(e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=io(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=c.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,ah),c.transformOBB3(e.meshMatrix,ah),c.OBB3ToAABB3(ah,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Lt(e.positions,e.indices,null,2):e.edgeIndices=Lt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=fh(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];X(e.positions,t,nh)&&(e.positions=t,e.origin=c.addVec3(e.origin,nh,c.vec3()))}if(e.positions){const t=c.collapseAABB3();e.meshMatrix&&(c.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),c.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,ah),c.transformOBB3(e.meshMatrix,ah),c.OBB3ToAABB3(ah,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Lt(e.positions,e.indices,null,2):e.edgeIndices=Lt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Ah,i=e.position||hh;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",lh),e.meshMatrix=c.composeMat4(i,lh,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||ch,t,c.mat4())}c.AABB3ToOBB3(e.geometry.aabb,ah),c.transformOBB3(e.meshMatrix,ah),e.aabb=c.OBB3ToAABB3(ah,c.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):dh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=fh(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):dh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new ar(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=c.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new FA(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new ol(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new mo({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new En({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new fa({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new An({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new An({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Xn({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new Qa({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=c.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=c.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;return this._visible&&!1!==e.visible&&(t|=Y),this._pickable&&!1!==e.pickable&&(t|=q),this._culled&&!1!==e.culled&&(t|=Z),this._clippable&&!1!==e.clippable&&(t|=$),this._collidable&&!1!==e.collidable&&(t|=ee),this._edges&&!1!==e.edges&&(t|=re),this._xrayed&&!1!==e.xrayed&&(t|=te),this._highlighted&&!1!==e.highlighted&&(t|=ie),this._selected&&!1!==e.selected&&(t|=se),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ae(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++,i}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${c.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Ar&&(Ar--,0===Ar&&lr._clear()),super.destroy()}}function fh(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=WA({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=ZA({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class gh extends D{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new ph(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const mh=c.vec3(),_h=c.vec3(),vh=c.vec3(),bh=c.vec3();function yh(e){return{x:e[0],y:e[1],z:e[2]}}function xh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function Bh(e){return new Float64Array([e[0],-e[2],e[1]])}function wh(e){return new Float64Array([e[0],e[2],-e[1]])}const Ph=c.vec3(),Ch=c.vec3(),Mh=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class Eh extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originWorld=c.vec3(),this._targetWorld=c.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new de(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new de(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new me(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new me(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new me(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new me(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new _e(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new _e(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new _e(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new _e(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._measurementOrientation="Horizontal",this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._useRotationAdjustment=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._xLabelEnabled=!1,this._yLabelEnabled=!1,this._zLabelEnabled=!1,this._lengthLabelEnabled=!1,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.xLabelEnabled=t.xLabelEnabled,this.yLabelEnabled=t.yLabelEnabled,this.zLabelEnabled=t.zLabelEnabled,this.lengthLabelEnabled=t.lengthLabelEnabled,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires,this._useRotationAdjustment=t.useRotationAdjustment,this._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set axesBasis(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}get axesBasis(){return this._axesBasis}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty){const e=c.subVec3(this._targetWorld,this._originWorld,Ch);this._factors=c.transformVec3(this._axesBasis,e),this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1):(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1),this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(c.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originDot.viewPos[2],i=this._targetDot.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){c.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],u=0;const i=this.plugin.viewer.scene.metrics,f=i.scale,g=i.units,m=i.unitsInfo[g].abbrev;for(var d=0,p=s.length;d<p;d+=4)r[u]=a+Math.floor((1+s[d+0]/s[d+3])*A/2),r[u+1]=n+Math.floor((1-s[d+1]/s[d+3])*h/2),u+=2;if(this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(c.lenVec3(c.subVec3(this._targetWorld,this._originWorld,Ph))),this._lengthLabel.setText(e+(this._length*f).toFixed(2)+m);const t=Math.abs(Mh(r[0],r[1],r[2],r[3])),i=Math.abs(Mh(r[2],r[3],r[4],r[5])),s=Math.abs(Mh(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs(this._factors[0]*f).toFixed(2)+m),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs(this._factors[1]*f).toFixed(2)+m),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(e+Math.abs(c.lenVec3(c.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],Ph))*f).toFixed(2)+m)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(e+Math.abs(this._factors[2]*f).toFixed(2)+m)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(c.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set useRotationAdjustment(e){e=void 0!==e?Boolean(e):this.plugin.useRotationAdjustment,this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set xLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xLabelEnabled(){return this._xLabelEnabled}set yLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yLabelEnabled(){return this._yLabelEnabled}set zLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zLabelEnabled(){return this._zLabelEnabled}set lengthLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get lengthLabelEnabled(){return this._lengthLabelEnabled}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class Fh extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Ih extends Fh{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=c.vec3(),n=c.vec2();let a,l;let A=null;this._mouseState=0;const h=c.vec2(),u=e=>{const t=e.snappedCanvasPos||e.canvasPos;if(r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState){if(this._canvasToPagePos)this._canvasToPagePos(s,t,h),this._markerDiv.style.left=h[0]-5+"px",this._markerDiv.style.top=h[1]-5+"px";else{const e=c.vec2(t);ue(s,this._markerDiv.parentNode,e),this._markerDiv.style.left=e[0]-5+"px",this._markerDiv.style.top=e[1]-5+"px"}this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity}else this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px";s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&u(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||u(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const d=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&d(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||d(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Dh extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=fe({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Sh{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){_.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);M.scheduleTask((function(){i(e)}))}catch(e){M.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class Th{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=Rh(e,i);return s?t?Lh(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=Rh(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=Lh(r,[t]),i&&(r=Lh(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function Rh(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function Lh(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class Uh extends D{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=c.subVec3(o,r,[]);return c.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=c.lenVec3(c.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class Oh extends Uh{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=c.vec3();return A[0]=c.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=c.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=c.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const kh=c.vec3();const Nh=c.vec3(),Qh=c.vec3(),Vh=c.vec3(),Hh=c.vec3(),jh=c.vec3();class Gh extends D{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=c.vec3(),this._eye1=c.vec3(),this._up1=c.vec3(),this._look2=c.vec3(),this._eye2=c.vec3(),this._up2=c.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((_.isNumeric(s)||_.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+_.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=c.getAABB3Center(o);this._look2=h||t;const i=c.subVec3(this._eye1,this._look1,Nh),s=c.normalizeVec3(i),r=h?c.getAABB3DiagPoint(o,h):c.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*c.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,M.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((_.isNumeric(t)||_.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+_.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?c.getAABB3DiagPoint(i,a):c.getAABB3Diag(i);let s;o=a||c.getAABB3Center(i,o),this._trail?c.subVec3(t.look,o,jh):c.subVec3(t.eye,t.look,jh),c.normalizeVec3(jh);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*c.DEGTORAD)):c.lenVec3(c.subVec3(t.eye,t.look,Nh)),c.mulVec3Scalar(jh,s),t.eye=c.addVec3(o,jh,Nh),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Gh._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(c.subVec3(s.eye,s.look,jh),s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,Vh),s.look=c.subVec3(Vh,jh,Qh)):this._flyingLook&&(s.look=c.lerpVec3(i,0,1,this._look1,this._look2,Qh),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,Hh)):this._flyingEyeLookUp&&(s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,Vh),s.look=c.lerpVec3(i,0,1,this._look1,this._look2,Qh),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,Hh)),this._projection2){const t="ortho"===this._projection2?Gh._easeOutExpo(e,0,1,1):Gh._easeInCubic(e,0,1,1);s.customProjection.matrix=c.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();M.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class zh extends D{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Gh(this),this._t=0,this.state=zh.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case zh.SCRUBBING:return;case zh.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=zh.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case zh.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=zh.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=zh.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=zh.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=zh.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=zh.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=zh.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=zh.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}zh.STOPPED=0,zh.SCRUBBING=1,zh.PLAYING=2,zh.PLAYING_TO=3;const Wh=c.vec3(),Kh=c.vec3();c.vec3();const Xh=c.vec3([0,-1,0]),Jh=c.vec4([0,0,0,1]);function Yh(e){if(!Zh(e.width)||!Zh(e.height)){const t=document.createElement("canvas");t.width=qh(e.width),t.height=qh(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Zh(e){return 0==(e&e-1)}function qh(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class $h extends D{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new At({texture:new Ms({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),p.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=Yh(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new Ms({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),p.memory.textures--,this._state.destroy()}}class ec{constructor(e){this._eye=c.vec3(),this._look=c.vec3(),this._up=c.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const tc=c.vec3();const ic=c.vec3();class sc{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?_.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(ic[0]=this.objectsColorize[3*c+0],ic[1]=this.objectsColorize[3*c+1],ic[2]=this.objectsColorize[3*c+2],t.colorize=ic):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class rc extends D{constructor(e,t={}){super(e,t),this._skyboxMesh=new ts(this,{geometry:new zt(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new Yt(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Ts(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}const oc=c.vec4(),nc=c.vec4(),ac=c.vec3(),lc=c.vec3(),Ac=c.vec3(),hc=c.vec4(),cc=c.vec4(),uc=c.vec4();class dc{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=c.subVec3(e,r.eye,ac);s=c.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,hc),o=c.subVec3(s,r.eye,uc),n=c.mulVec3Scalar(c.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=c.subVec3(e,r.eye,ac),i=c.lenVec3(t),s=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,lc)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,hc);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,cc),o=c.subVec3(s,e,uc),n=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,ac)),-i,lc),a=c.addVec3(o,n,Ac);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o);return i.project.unproject(e,a,oc,nc,t),t}destroy(){}}const pc=c.vec3(),fc=c.vec3(),gc=c.vec3(),mc=c.vec4(),_c=c.vec4(),vc=c.vec4();class bc{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=c.vec3(),this._cameraOffset=c.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=c.vec3(),this._rtcPos=c.vec3(),this._pivotViewPos=c.vec4(),this._pivotProjPos=c.vec4(),this._pivotCanvasPos=c.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=c.vec3();c.decomposeMat4(c.inverseMat4(this._scene.viewer.camera.viewMatrix,c.mat4()),t,c.vec4(),c.vec3());const i=c.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),K(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new Us(this._scene,rs({radius:s})),this._pivotSphere=new ts(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){c.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,c.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(K(this.getPivotPos(),this._rtcCenter,this._rtcPos),c.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new Yt(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=c.lookAtMat4v(e.eye,e.look,e.worldUp);c.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=c.distVec3(e.eye,i),t=c.inverseMat4(t);const s=c.transformVec3(t,this._cameraOffset),r=c.vec3();if(c.subVec3(e.eye,i,r),c.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=c.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=c.normalizeVec3(c.subVec3(e.look,e.eye,pc)),i=c.cross3Vec3(t,e.worldUp,fc);return c.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(c.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o),l=mc;t.project.unproject(e,a,_c,vc,l);const A=c.normalizeVec3(c.subVec3(l,t.eye,pc)),h=c.addVec3(t.eye,c.mulVec3Scalar(A,i,fc),gc);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=c.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=c.lenVec3(c.subVec3(i.look,i.eye,c.vec3())),a=this.getPivotPos();c.addVec3(o,a);let l=c.lookAtMat4v(o,a,i.worldUp);l=c.inverseMat4(l);const A=c.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],c.subVec3(i.eye,c.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class yc{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=c.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new Le;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const xc=c.vec2();class Bc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a,l,A,h=0,u=0,d=0,p=0,f=!1;const g=c.vec3();let m=!0;const _=this._scene.canvas.canvas,v=[];function b(e=!0){_.style.cursor="move",h=s.pointerCanvasPos[0],u=s.pointerCanvasPos[1],d=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(f=!0,g.set(o.pickResult.worldPos)):f=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!1}),_.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:v[e.input.KEY_SHIFT]||i.planView?(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b()):(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b(!1));break;case 2:l=!0,v[e.input.MOUSE_MIDDLE_BUTTON]=!0,b();break;case 3:A=!0,v[e.input.MOUSE_RIGHT_BUTTON]=!0,i.panRightClick&&b()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!a&&!l&&!A)return;const o=e.canvas.boundary,d=o[2],p=o[3],m=s.pointerCanvasPos[0],_=s.pointerCanvasPos[1],b=n._isKeyDownForAction(n.MOUSE_PAN,v),y=n._isKeyDownForAction(n.MOUSE_ROTATE,v),x=document.pointerLockElement?t.movementX:m-h,B=document.pointerLockElement?t.movementY:_-u;if(b){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(f?c.lenVec3(c.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*x*i/p,r.panDeltaY+=1.5*B*i/p}else r.panDeltaX+=.5*t.ortho.scale*(x/p),r.panDeltaY+=.5*t.ortho.scale*(B/p)}else y&&(i.planView||(i.firstPerson?(r.rotateDeltaY-=x/d*i.dragRotationRate/2,r.rotateDeltaX+=B/p*(i.dragRotationRate/4)):(r.rotateDeltaY-=x/d*(1.5*i.dragRotationRate),r.rotateDeltaX+=B/p*(1.5*i.dragRotationRate))));h=m,u=_}),_.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:case 2:case 3:a=!1,l=!1,A=!1,v[e.input.MOUSE_LEFT_BUTTON]=!1,v[e.input.MOUSE_MIDDLE_BUTTON]=!1,v[e.input.MOUSE_RIGHT_BUTTON]=!1}}),_.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,xc);const i=xc[0],s=xc[1];Math.abs(i-d)<3&&Math.abs(s-p)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:xc,event:e},!0)}_.style.removeProperty("cursor")}}),_.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const y=1/60;let x=null;_.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel&&n._isKeyDownForAction(n.MOUSE_DOLLY,v)))return;const t=performance.now()/1e3;var o=null!==x?t-x:0;x=t,o>.05&&(o=.05),o<y&&(o=y);const a=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===a)return;const l=a/Math.abs(a);r.dollyDelta+=-l*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const wc=c.vec3(),Pc=c.vec3(),Cc=c.vec3(),Mc=c.vec3(),Ec=c.vec3(),Fc={eye:c.vec3(),look:c.vec3(),up:c.vec3()};class Ic{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),u=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||u))return;const d=e.aabb,p=c.getAABB3Diag(d);c.getAABB3Center(d,wc);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*c.DEGTORAD)),g=1.1*p;Fc.orthoScale=g,n?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldRight,f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(o.worldUp)):a?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldForward,f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(o.worldUp)):l?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldRight,-f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(o.worldUp)):A?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldForward,-f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(o.worldUp)):h?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldUp,f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,1,Cc),Mc))):u&&(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldUp,-f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,-1,Cc)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(wc),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Fc,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Fc),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Dc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,u=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},d=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=c.vec3(),i=c.vec3();c.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),u=a.hasSubs("hoverOff"),d=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||u||d||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=d,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",d),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot(),this._lastClickedWorldPos=t.worldPos.slice()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):this._lastClickedWorldPos?n.setPivotPos(this._lastClickedWorldPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),d=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||d||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e&&e.worldPos?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||d||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(u(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=c.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(u(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=c.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Sc{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move")))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Tc=c.vec3();class Rc{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,u=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?u=n.pickResult.worldPos:(h=1,u=null),s.followPointerDirty=!1),u){const t=Math.abs(c.lenVec3(c.subVec3(u,e.camera.eye,Tc)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,u=null;const d=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=c.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==d){if(t=d<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.pan([0,0,d]),o.ortho.scale=o.ortho.scale-d;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);else if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Lc{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Uc(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Uc(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Uc(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Oc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class kc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=c.vec2(),l=c.vec2(),A=c.vec2(),h=c.vec2(),u=[],d=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Oc(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));u.length<r.length;)u.push(c.vec2());for(let e=0,t=r.length;e<t;++e)Oc(r[e],u[e]);p=r.length}),d.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],d=n[3],g=t.touches;if(t.touches.length===p){if(1===p){Oc(g[0],l),c.subVec2(l,u[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/d*i.touchPanRate,r.panDeltaY+=o*n/d*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/d)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/d)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/d*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];Oc(t,l),Oc(n,A);const a=c.geometricMeanVec2(u[0],u[1]),h=c.geometricMeanVec2(l,A),p=c.vec2();c.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=c.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(c.distVec2(u[0],u[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(c.lenVec3(c.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/d*i.touchPanRate,r.panDeltaY-=m*s/d*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/d)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/d)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Oc(g[e],u[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const Nc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Qc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,u=-1;const d=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};d.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,Nc(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)Nc(r[e],l[e]);l.length=r.length},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,d=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(u>-1&&h-u<325?(Nc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),u=-1):c.distVec2(l[0],A)<4&&(Nc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),u=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Vc extends D{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this.MOUSE_PAN=18,this.MOUSE_ROTATE=19,this.MOUSE_DOLLY=20,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:c.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:c.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new yc(this,this._configs),pivotController:new bc(i,this._configs),panController:new dc(i),cameraFlight:new Gh(this,{duration:.5})},this._handlers=[new Lc(this.scene,this._controllers,this._configs,this._states,this._updates),new kc(this.scene,this._controllers,this._configs,this._states,this._updates),new Bc(this.scene,this._controllers,this._configs,this._states,this._updates),new Ic(this.scene,this._controllers,this._configs,this._states,this._updates),new Dc(this.scene,this._controllers,this._configs,this._states,this._updates),new Qc(this.scene,this._controllers,this._configs,this._states,this._updates),new Sc(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new Rc(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",_.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_areAllKeysDown(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(let i=0,s=t.length;i<s;i++){if(!e[t[i]])return!1}return!0}_isAnyOtherKeyDown(e,t){for(let i=0,s=e.length;i<s;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}_isMouseAction(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){const s=i[e];if(Array.isArray(s)){if(this._areAllKeysDown(t,s)&&!this._isAnyOtherKeyDown(t,s))return!0}else if(t[s]&&!this._isAnyOtherKeyDown(t,s))return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e;const t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0){const e=this.scene.input;for(let i=0,s=t.length;i<s;i++)this._configs.panRightClick&&t[i]===e.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[i]!==e.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_MIDDLE_BUTTON)}}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Hc{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class jc{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new Hc(i.name,i.value,i.type,i.valueType,i.description))}}}}class Gc{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class zc{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new jc({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new Gc({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects[r]=o,s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e in i.metaObjects){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects);for(let i=0,s=t.length;i<s;i++){const s=t[i],r={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(r.parent=s.parent.id),s.attributes&&(r.attributes=s.attributes),s.propertySetIds&&(r.propertySetIds=s.propertySetIds),e.metaObjects.push(r)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=c.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=c.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(c.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=c.globalizeObjectId(this.id,s.id))}}}class Wc{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new zc({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?Kc(t):null,n=i&&i.length>0?Kc(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function Kc(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
+ **/let KA=null;function XA(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=KA[i],o=KA[i+1],n=KA[i+2]),c=Math.min(a=KA[s],l=KA[s+1],A=KA[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let JA=null;function YA(e,t){let i=JA[2*e]-JA[2*t];return 0!==i?i:JA[2*e+1]-JA[2*t+1]}function ZA(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;KA=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)KA[i]=e[i]>>t;i.sort(XA);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}JA=new Int32Array(e),t.sort(YA);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const qA=c.vec4(4),$A=c.vec4(),eh=c.vec4(),th=c.vec3([1,0,0]),ih=c.vec3([0,1,0]),sh=c.vec3([0,0,1]);c.vec3(3),c.vec3(3);const rh=c.identityMat4();class oh{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=c.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=c.identityMat4(new Float32Array(16)),this._worldMatrix=c.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||rh),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return qA[0]=e[0],qA[1]=e[1],qA[2]=e[2],qA[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(qA,$A),c.mulQuaternions(this.quaternion,$A,eh),this.quaternion=eh,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return qA[0]=e[0],qA[1]=e[1],qA[2]=e[2],qA[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(qA,$A),c.mulQuaternions($A,this.quaternion,$A),this}rotateX(e){return this.rotate(th,e)}rotateY(e){return this.rotate(ih,e)}rotateZ(e){return this.rotate(sh,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)c.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const nh=c.vec3(),ah=c.OBB3(),lh=c.vec4(),Ah=c.vec3([1,1,1]),hh=c.vec3([0,0,0]);c.vec3([0,0,0]);const ch=c.identityQuaternion(),uh=c.identityMat4(),dh=new Uint8Array([255,255,255]);class ph extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(Ar++,lr),this._textureTranscoder=t.textureTranscoder||HA(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=c.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new Gi,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=c.vec3(t.origin||[0,0,0]),this._position=c.vec3(t.position||[0,0,0]),this._rotation=c.vec3(t.rotation||[0,0,0]),this._quaternion=c.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=c.vec4(t.quaternion||[0,0,0,1]),t.rotation&&c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=c.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=c.mat4(),this._worldRotationMatrixConjugate=c.mat4(),this._matrix=c.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=c.mat4(),c.inverseMat4(this._matrix,this._worldNormalMatrix),c.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=c.mat4(),this._viewNormalMatrix=c.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new DA({id:"defaultColorTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new DA({id:"defaultMetalRoughTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new DA({id:"defaultNormalsTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new DA({id:"defaultEmissiveTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new DA({id:"defaultOcclusionTexture",texture:new Ms({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new IA({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||uh),c.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),c.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),c.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),c.scaleMat4v(this._scale,this._worldRotationMatrix),c.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),c.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}get rotationMatrixConjugate(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}_rebuildViewMatrices(){this._rebuildMatrices(),this._viewMatrixDirty&&(c.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}get viewMatrix(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)c.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:so(e.aabb,c.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=so(e.positionsDecodeBoundary,c.mat4())),e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=io(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),c.expandAABB3Points3(t,e.positionsCompressed),Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=c.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Lt(e.positions,e.indices,null,5):e.edgeIndices=Lt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Ht.getUVBounds(e.uv),i=Ht.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new Ms({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;if(t.crossOrigin="Anonymous",t.compressed){const e=t.data;l.setCompressedData({mipmaps:e,props:{format:e[0].format,minFilter:i,magFilter:s}})}else l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?_.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new DA({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new IA({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new oh({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Ah,i=e.position||hh;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",lh),e.meshMatrix=c.composeMat4(i,lh,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||ch,t,c.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=so(e.positionsDecodeBoundary,c.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):dh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=c.vec3(),i=[];X(e.positions,i,t)&&(e.positions=i,e.origin=c.addVec3(e.origin,t,t))}if(e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=io(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=c.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,ah),c.transformOBB3(e.meshMatrix,ah),c.OBB3ToAABB3(ah,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Lt(e.positions,e.indices,null,2):e.edgeIndices=Lt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=fh(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];X(e.positions,t,nh)&&(e.positions=t,e.origin=c.addVec3(e.origin,nh,c.vec3()))}if(e.positions){const t=c.collapseAABB3();e.meshMatrix&&(c.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),c.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),Ht.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,ah),c.transformOBB3(e.meshMatrix,ah),c.OBB3ToAABB3(ah,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Lt(e.positions,e.indices,null,2):e.edgeIndices=Lt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Ah,i=e.position||hh;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",lh),e.meshMatrix=c.composeMat4(i,lh,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||ch,t,c.mat4())}c.AABB3ToOBB3(e.geometry.aabb,ah),c.transformOBB3(e.meshMatrix,ah),e.aabb=c.OBB3ToAABB3(ah,c.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):dh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=fh(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):dh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new ar(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=c.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new FA(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new ol(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new mo({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new En({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new fa({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new An({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new An({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Xn({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new Qa({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=c.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=c.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;return this._visible&&!1!==e.visible&&(t|=Y),this._pickable&&!1!==e.pickable&&(t|=q),this._culled&&!1!==e.culled&&(t|=Z),this._clippable&&!1!==e.clippable&&(t|=$),this._collidable&&!1!==e.collidable&&(t|=ee),this._edges&&!1!==e.edges&&(t|=re),this._xrayed&&!1!==e.xrayed&&(t|=te),this._highlighted&&!1!==e.highlighted&&(t|=ie),this._selected&&!1!==e.selected&&(t|=se),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ae(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++,i}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${c.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Ar&&(Ar--,0===Ar&&lr._clear()),super.destroy()}}function fh(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=WA({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=ZA({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class gh extends D{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new ph(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const mh=c.vec3(),_h=c.vec3(),vh=c.vec3(),bh=c.vec3();function yh(e){return{x:e[0],y:e[1],z:e[2]}}function xh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function Bh(e){return new Float64Array([e[0],-e[2],e[1]])}function wh(e){return new Float64Array([e[0],e[2],-e[1]])}const Ph=c.vec3(),Ch=c.vec3(),Mh=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class Eh extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originWorld=c.vec3(),this._targetWorld=c.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new de(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new de(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new me(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new me(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new me(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new me(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new _e(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new _e(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new _e(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new _e(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._measurementOrientation="Horizontal",this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._useRotationAdjustment=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._xLabelEnabled=!1,this._yLabelEnabled=!1,this._zLabelEnabled=!1,this._lengthLabelEnabled=!1,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.xLabelEnabled=t.xLabelEnabled,this.yLabelEnabled=t.yLabelEnabled,this.zLabelEnabled=t.zLabelEnabled,this.lengthLabelEnabled=t.lengthLabelEnabled,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires,this._useRotationAdjustment=t.useRotationAdjustment,this._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set axesBasis(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}get axesBasis(){return this._axesBasis}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty){const e=c.subVec3(this._targetWorld,this._originWorld,Ch);this._factors=c.transformVec3(this._axesBasis,e),this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1):(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1),this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(c.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originDot.viewPos[2],i=this._targetDot.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){c.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],u=0;const i=this.plugin.viewer.scene.metrics,f=i.scale,g=i.units,m=i.unitsInfo[g].abbrev;for(var d=0,p=s.length;d<p;d+=4)r[u]=a+Math.floor((1+s[d+0]/s[d+3])*A/2),r[u+1]=n+Math.floor((1-s[d+1]/s[d+3])*h/2),u+=2;if(this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(c.lenVec3(c.subVec3(this._targetWorld,this._originWorld,Ph))),this._lengthLabel.setText(e+(this._length*f).toFixed(2)+m);const t=Math.abs(Mh(r[0],r[1],r[2],r[3])),i=Math.abs(Mh(r[2],r[3],r[4],r[5])),s=Math.abs(Mh(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs(this._factors[0]*f).toFixed(2)+m),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs(this._factors[1]*f).toFixed(2)+m),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(e+Math.abs(c.lenVec3(c.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],Ph))*f).toFixed(2)+m)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(e+Math.abs(this._factors[2]*f).toFixed(2)+m)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(c.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set useRotationAdjustment(e){e=void 0!==e?Boolean(e):this.plugin.useRotationAdjustment,this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set xLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xLabelEnabled(){return this._xLabelEnabled}set yLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yLabelEnabled(){return this._yLabelEnabled}set zLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zLabelEnabled(){return this._zLabelEnabled}set lengthLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get lengthLabelEnabled(){return this._lengthLabelEnabled}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class Fh extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Ih extends Fh{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=c.vec3(),n=c.vec2();let a,l;let A=null;this._mouseState=0;const h=c.vec2(),u=e=>{const t=e.snappedCanvasPos||e.canvasPos;if(r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState){if(this._canvasToPagePos)this._canvasToPagePos(s,t,h),this._markerDiv.style.left=h[0]-5+"px",this._markerDiv.style.top=h[1]-5+"px";else{const e=c.vec2(t);ue(s,this._markerDiv.parentNode,e),this._markerDiv.style.left=e[0]-5+"px",this._markerDiv.style.top=e[1]-5+"px"}this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity}else this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px";s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&u(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||u(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const d=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&d(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||d(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Dh extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=fe({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Sh{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){_.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);M.scheduleTask((function(){i(e)}))}catch(e){M.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class Th{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=Rh(e,i);return s?t?Lh(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=Rh(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=Lh(r,[t]),i&&(r=Lh(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function Rh(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function Lh(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class Uh extends D{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=c.subVec3(o,r,[]);return c.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=c.lenVec3(c.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class Oh extends Uh{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=c.vec3();return A[0]=c.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=c.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=c.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const kh=c.vec3();const Nh=c.vec3(),Qh=c.vec3(),Vh=c.vec3(),Hh=c.vec3(),jh=c.vec3();class Gh extends D{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=c.vec3(),this._eye1=c.vec3(),this._up1=c.vec3(),this._look2=c.vec3(),this._eye2=c.vec3(),this._up2=c.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((_.isNumeric(s)||_.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+_.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=c.getAABB3Center(o);this._look2=h||t;const i=c.subVec3(this._eye1,this._look1,Nh),s=c.normalizeVec3(i),r=h?c.getAABB3DiagPoint(o,h):c.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*c.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,M.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((_.isNumeric(t)||_.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+_.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?c.getAABB3DiagPoint(i,a):c.getAABB3Diag(i);let s;o=a||c.getAABB3Center(i,o),this._trail?c.subVec3(t.look,o,jh):c.subVec3(t.eye,t.look,jh),c.normalizeVec3(jh);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*c.DEGTORAD)):c.lenVec3(c.subVec3(t.eye,t.look,Nh)),c.mulVec3Scalar(jh,s),t.eye=c.addVec3(o,jh,Nh),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Gh._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(c.subVec3(s.eye,s.look,jh),s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,Vh),s.look=c.subVec3(Vh,jh,Qh)):this._flyingLook&&(s.look=c.lerpVec3(i,0,1,this._look1,this._look2,Qh),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,Hh)):this._flyingEyeLookUp&&(s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,Vh),s.look=c.lerpVec3(i,0,1,this._look1,this._look2,Qh),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,Hh)),this._projection2){const t="ortho"===this._projection2?Gh._easeOutExpo(e,0,1,1):Gh._easeInCubic(e,0,1,1);s.customProjection.matrix=c.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();M.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class zh extends D{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Gh(this),this._t=0,this.state=zh.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case zh.SCRUBBING:return;case zh.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=zh.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case zh.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=zh.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=zh.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=zh.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=zh.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=zh.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=zh.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=zh.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}zh.STOPPED=0,zh.SCRUBBING=1,zh.PLAYING=2,zh.PLAYING_TO=3;const Wh=c.vec3(),Kh=c.vec3();c.vec3();const Xh=c.vec3([0,-1,0]),Jh=c.vec4([0,0,0,1]);function Yh(e){if(!Zh(e.width)||!Zh(e.height)){const t=document.createElement("canvas");t.width=qh(e.width),t.height=qh(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Zh(e){return 0==(e&e-1)}function qh(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class $h extends D{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new At({texture:new Ms({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),p.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=Yh(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new Ms({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),p.memory.textures--,this._state.destroy()}}class ec{constructor(e){this._eye=c.vec3(),this._look=c.vec3(),this._up=c.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const tc=c.vec3();const ic=c.vec3();class sc{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?_.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(ic[0]=this.objectsColorize[3*c+0],ic[1]=this.objectsColorize[3*c+1],ic[2]=this.objectsColorize[3*c+2],t.colorize=ic):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class rc extends D{constructor(e,t={}){super(e,t),this._skyboxMesh=new ts(this,{geometry:new zt(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new Yt(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Ts(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}const oc=c.vec4(),nc=c.vec4(),ac=c.vec3(),lc=c.vec3(),Ac=c.vec3(),hc=c.vec4(),cc=c.vec4(),uc=c.vec4();class dc{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=c.subVec3(e,r.eye,ac);s=c.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,hc),o=c.subVec3(s,r.eye,uc),n=c.mulVec3Scalar(c.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=c.subVec3(e,r.eye,ac),i=c.lenVec3(t),s=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,lc)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,hc);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,cc),o=c.subVec3(s,e,uc),n=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,ac)),-i,lc),a=c.addVec3(o,n,Ac);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o);return i.project.unproject(e,a,oc,nc,t),t}destroy(){}}const pc=c.vec3(),fc=c.vec3(),gc=c.vec3(),mc=c.vec4(),_c=c.vec4(),vc=c.vec4();class bc{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=c.vec3(),this._cameraOffset=c.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=c.vec3(),this._rtcPos=c.vec3(),this._pivotViewPos=c.vec4(),this._pivotProjPos=c.vec4(),this._pivotCanvasPos=c.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=c.vec3();c.decomposeMat4(c.inverseMat4(this._scene.viewer.camera.viewMatrix,c.mat4()),t,c.vec4(),c.vec3());const i=c.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),K(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new Us(this._scene,rs({radius:s})),this._pivotSphere=new ts(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){c.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,c.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(K(this.getPivotPos(),this._rtcCenter,this._rtcPos),c.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new Yt(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=c.lookAtMat4v(e.eye,e.look,e.worldUp);c.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=c.distVec3(e.eye,i),t=c.inverseMat4(t);const s=c.transformVec3(t,this._cameraOffset),r=c.vec3();if(c.subVec3(e.eye,i,r),c.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=c.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=c.normalizeVec3(c.subVec3(e.look,e.eye,pc)),i=c.cross3Vec3(t,e.worldUp,fc);return c.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(c.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o),l=mc;t.project.unproject(e,a,_c,vc,l);const A=c.normalizeVec3(c.subVec3(l,t.eye,pc)),h=c.addVec3(t.eye,c.mulVec3Scalar(A,i,fc),gc);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=c.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=c.lenVec3(c.subVec3(i.look,i.eye,c.vec3())),a=this.getPivotPos();c.addVec3(o,a);let l=c.lookAtMat4v(o,a,i.worldUp);l=c.inverseMat4(l);const A=c.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],c.subVec3(i.eye,c.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class yc{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=c.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new Le;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const xc=c.vec2();class Bc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a,l,A,h=0,u=0,d=0,p=0,f=!1;const g=c.vec3();let m=!0;const _=this._scene.canvas.canvas,v=[];function b(e=!0){h=s.pointerCanvasPos[0],u=s.pointerCanvasPos[1],d=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(f=!0,g.set(o.pickResult.worldPos)):f=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!1}),_.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:v[e.input.KEY_SHIFT]||i.planView?(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b()):(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b(!1));break;case 2:l=!0,v[e.input.MOUSE_MIDDLE_BUTTON]=!0,b();break;case 3:A=!0,v[e.input.MOUSE_RIGHT_BUTTON]=!0,i.panRightClick&&b()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!a&&!l&&!A)return;const o=e.canvas.boundary,d=o[2],p=o[3],m=s.pointerCanvasPos[0],_=s.pointerCanvasPos[1],b=n._isKeyDownForAction(n.MOUSE_PAN,v),y=n._isKeyDownForAction(n.MOUSE_ROTATE,v),x=document.pointerLockElement?t.movementX:m-h,B=document.pointerLockElement?t.movementY:_-u;if(b){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(f?c.lenVec3(c.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*x*i/p,r.panDeltaY+=1.5*B*i/p}else r.panDeltaX+=.5*t.ortho.scale*(x/p),r.panDeltaY+=.5*t.ortho.scale*(B/p)}else y&&(i.planView||(i.firstPerson?(r.rotateDeltaY-=x/d*i.dragRotationRate/2,r.rotateDeltaX+=B/p*(i.dragRotationRate/4)):(r.rotateDeltaY-=x/d*(1.5*i.dragRotationRate),r.rotateDeltaX+=B/p*(1.5*i.dragRotationRate))));h=m,u=_}),_.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:case 2:case 3:a=!1,l=!1,A=!1,v[e.input.MOUSE_LEFT_BUTTON]=!1,v[e.input.MOUSE_MIDDLE_BUTTON]=!1,v[e.input.MOUSE_RIGHT_BUTTON]=!1}}),_.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,xc);const i=xc[0],s=xc[1];Math.abs(i-d)<3&&Math.abs(s-p)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:xc,event:e},!0)}_.style.removeProperty("cursor")}}),_.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const y=1/60;let x=null;_.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel&&n._isKeyDownForAction(n.MOUSE_DOLLY,v)))return;const t=performance.now()/1e3;var o=null!==x?t-x:0;x=t,o>.05&&(o=.05),o<y&&(o=y);const a=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===a)return;const l=a/Math.abs(a);r.dollyDelta+=-l*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const wc=c.vec3(),Pc=c.vec3(),Cc=c.vec3(),Mc=c.vec3(),Ec=c.vec3(),Fc={eye:c.vec3(),look:c.vec3(),up:c.vec3()};class Ic{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),u=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||u))return;const d=e.aabb,p=c.getAABB3Diag(d);c.getAABB3Center(d,wc);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*c.DEGTORAD)),g=1.1*p;Fc.orthoScale=g,n?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldRight,f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(o.worldUp)):a?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldForward,f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(o.worldUp)):l?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldRight,-f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(o.worldUp)):A?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldForward,-f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(o.worldUp)):h?(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldUp,f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,1,Cc),Mc))):u&&(Fc.eye.set(c.addVec3(wc,c.mulVec3Scalar(o.worldUp,-f,Pc),Ec)),Fc.look.set(wc),Fc.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,-1,Cc)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(wc),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Fc,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Fc),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Dc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,u=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},d=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=c.vec3(),i=c.vec3();c.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),u=a.hasSubs("hoverOff"),d=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||u||d||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=d,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",d),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot(),this._lastClickedWorldPos=t.worldPos.slice()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):this._lastClickedWorldPos?n.setPivotPos(this._lastClickedWorldPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),d=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||d||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e&&e.worldPos?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||d||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(u(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=c.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(u(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=c.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Sc{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[];e.canvas.canvas;let a=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{a=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(l=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=l.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),a&&(s.followPointerDirty=!0,a=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Tc=c.vec3();class Rc{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController,A=t.cameraControl;let h=1,u=1,d=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--h<=0&&(h=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?d=n.pickResult.worldPos:(u=1,d=null),s.followPointerDirty=!1),d){const t=Math.abs(c.lenVec3(c.subVec3(d,e.camera.eye,Tc)));u=t/i.dollyProximityThreshold}u<i.dollyMinSpeed&&(u=i.dollyMinSpeed)}}else u=1,d=null;const p=r.dollyDelta*u;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t=A._cursors.rotate),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=c.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t=A._cursors.pan}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==p){if(t=p<0?A._cursors.dollyForward:A._cursors.dollyBackward,i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.pan([0,0,p]),o.ortho.scale=o.ortho.scale-p;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);else if(i.followPointer){l.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Lc{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Uc(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Uc(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Uc(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Oc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class kc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=c.vec2(),l=c.vec2(),A=c.vec2(),h=c.vec2(),u=[],d=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Oc(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));u.length<r.length;)u.push(c.vec2());for(let e=0,t=r.length;e<t;++e)Oc(r[e],u[e]);p=r.length}),d.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],d=n[3],g=t.touches;if(t.touches.length===p){if(1===p){Oc(g[0],l),c.subVec2(l,u[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/d*i.touchPanRate,r.panDeltaY+=o*n/d*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/d)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/d)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/d*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];Oc(t,l),Oc(n,A);const a=c.geometricMeanVec2(u[0],u[1]),h=c.geometricMeanVec2(l,A),p=c.vec2();c.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=c.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(c.distVec2(u[0],u[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(c.lenVec3(c.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/d*i.touchPanRate,r.panDeltaY-=m*s/d*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/d)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/d)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Oc(g[e],u[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const Nc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Qc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,u=-1;const d=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};d.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,Nc(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)Nc(r[e],l[e]);l.length=r.length},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,d=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(u>-1&&h-u<325?(Nc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),u=-1):c.distVec2(l[0],A)<4&&(Nc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),u=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Vc extends D{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this.MOUSE_PAN=18,this.MOUSE_ROTATE=19,this.MOUSE_DOLLY=20,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:c.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:c.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new yc(this,this._configs),pivotController:new bc(i,this._configs),panController:new dc(i),cameraFlight:new Gh(this,{duration:.5})},this._handlers=[new Lc(this.scene,this._controllers,this._configs,this._states,this._updates),new kc(this.scene,this._controllers,this._configs,this._states,this._updates),new Bc(this.scene,this._controllers,this._configs,this._states,this._updates),new Ic(this.scene,this._controllers,this._configs,this._states,this._updates),new Dc(this.scene,this._controllers,this._configs,this._states,this._updates),new Qc(this.scene,this._controllers,this._configs,this._states,this._updates),new Sc(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:"grabbing",pan:"move"},this._cameraUpdater=new Rc(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",_.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_areAllKeysDown(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(let i=0,s=t.length;i<s;i++){if(!e[t[i]])return!1}return!0}_isAnyOtherKeyDown(e,t){for(let i=0,s=e.length;i<s;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}_isMouseAction(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){const s=i[e];if(Array.isArray(s)){if(this._areAllKeysDown(t,s)&&!this._isAnyOtherKeyDown(t,s))return!0}else if(t[s]&&!this._isAnyOtherKeyDown(t,s))return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}setCursorStyle(e,t){Object.prototype.hasOwnProperty.call(this._cursors,e)?this._cursors={...this._cursors,[e]:t}:console.warn(`Action '${e}' is not valid for cursor styles.`)}getCursorStyle(e){return this._cursors[e]||null}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e;const t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0){const e=this.scene.input;for(let i=0,s=t.length;i<s;i++)this._configs.panRightClick&&t[i]===e.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[i]!==e.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_MIDDLE_BUTTON)}}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Hc{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class jc{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new Hc(i.name,i.value,i.type,i.valueType,i.description))}}}}class Gc{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class zc{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new jc({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new Gc({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects[r]=o,s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e in i.metaObjects){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects);for(let i=0,s=t.length;i<s;i++){const s=t[i],r={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(r.parent=s.parent.id),s.attributes&&(r.attributes=s.attributes),s.propertySetIds&&(r.propertySetIds=s.propertySetIds),e.metaObjects.push(r)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=c.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=c.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(c.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=c.globalizeObjectId(this.id,s.id))}}}class Wc{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new zc({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?Kc(t):null,n=i&&i.length>0?Kc(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function Kc(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
diff --git a/dist/xeokit-sdk.min.es.js b/dist/xeokit-sdk.min.es.js
index 4cd2b2f56..76ccbd4e0 100644
--- a/dist/xeokit-sdk.min.es.js
+++ b/dist/xeokit-sdk.min.es.js
@@ -1,4 +1,4 @@
-class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}class o{constructor(e={}){this._id=t.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==e.hideOnMouseDown&&(document.addEventListener("mousedown",(e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),e.items&&(this.items=e.items),this._hideOnAction=!1!==e.hideOnAction,this.context=e.context,this.enabled=!1!==e.enabled,this.hide()}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}set items(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}get items(){return this._itemsCfg}set enabled(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}get enabled(){return this._enabled}set context(e){this._context=e}get context(){return this._context}show(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._updateSubMenuInfo(),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}get shown(){return this._shown}hide(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}destroy(){this._context=null,this._clear(),null!==this._id&&(t.removeItem(this._id),this._id=null)}_clear(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e].menuElement;t.parentElement.removeChild(t)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}_parseItems(e){const t=e=>{const o=this._getNextId(),n=new i(o);for(let i=0,o=e.length;i<o;i++){const o=e[i],a=new s;n.groups.push(a);for(let e=0,i=o.length;e<i;e++){const i=o[e],s=i.items,l=s&&s.length>0,A=this._getNextId(),h=i.getTitle||(()=>i.title||""),c=i.doAction||i.callback||(()=>{}),u=i.getEnabled||(()=>!0),d=i.getShown||(()=>!0),p=new r(A,h,c,u,d);if(p.parentMenu=n,a.items.push(p),l){const e=t(s);p.subMenu=e,e.parentItem=p}this._itemList.push(p),this._itemMap[p.id]=p}}return this._menuList.push(n),this._menuMap[n.id]=n,n};this._rootMenu=t(e)}_getNextId(){return"ContextMenu_"+this._id+"_"+this._nextId++}_createUI(){const e=t=>{this._createMenuUI(t);const i=t.groups;for(let t=0,s=i.length;t<s;t++){const s=i[t].items;for(let t=0,i=s.length;t<i;t++){const i=s[t].subMenu;i&&e(i)}}};e(this._rootMenu)}_createMenuUI(e){const t=e.groups,i=[];if(i.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),i.push("<ul>"),t)for(let e=0,s=t.length;e<s;e++){const r=e,o=s,n=t[e].items;if(n)for(let e=0,t=n.length;e<t;e++){const s=n[e],a=s.subMenu,l=s.title||"";a?(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item xeokit-context-menu-submenu">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>')):(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>'))}}i.push("</ul>"),i.push("</div>");const s=i.join("");document.body.insertAdjacentHTML("beforeend",s);const r=document.querySelector("."+e.id);e.menuElement=r,r.style["border-radius"]="4px",r.style.display="none",r.style["z-index"]=3e5,r.style.background="white",r.style.border="1px solid black",r.style["box-shadow"]="0 4px 5px 0 gray",r.oncontextmenu=e=>{e.preventDefault()};const o=this;let n=null;if(t)for(let e=0,i=t.length;e<i;e++){const i=t[e].items;if(i)for(let e=0,t=i.length;e<t;e++){const t=i[e],s=t.subMenu;t.itemElement=document.getElementById(t.id),t.itemElement?(t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault();const i=t.subMenu;if(!i)return void(n&&(o._hideMenu(n.id),n=null));if(n&&n.id!==i.id&&(o._hideMenu(n.id),n=null),!1===t.enabled)return;const s=t.itemElement,r=i.menuElement,a=s.getBoundingClientRect();r.getBoundingClientRect();a.right+200>window.innerWidth?o._showMenu(i.id,a.left-200,a.top-1):o._showMenu(i.id,a.right-5,a.top-1),n=i})),s||(t.itemElement.addEventListener("click",(e=>{e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus()))})),t.itemElement.addEventListener("mouseup",(e=>{3===e.which&&(e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus())))})),t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault(),!1!==t.enabled&&t.doHover&&t.doHover(o._context)})))):console.error("ContextMenu item element not found: "+t.id)}}}_updateItemsTitles(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getShown;if(!s||!s(this._context))continue;const r=t.getTitle(this._context);t.subMenu,i.innerText=r}}_updateItemsEnabledStatus(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getEnabled;if(!s)continue;const r=t.getShown;if(!r)continue;const o=r(this._context);if(t.shown=o,!o){i.style.display="none";continue}i.style.display="";const n=s(this._context);t.enabled=n,n?i.classList.remove("disabled"):i.classList.add("disabled")}}_updateSubMenuInfo(){if(!this._context)return;let e,t,i,s,r,o;this._itemList.forEach((n=>{n.subMenu&&(e=n.itemElement,t=e.getBoundingClientRect(),i=n.subMenu.menuElement,s={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",o=n.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=s.visibility,i.style.display=s.display,r=t.right+o>window.innerWidth,e.setAttribute("data-submenuposition",r?"left":"right"))}))}_showMenu(e,t,i){const s=this._menuMap[e];if(!s)return void console.error("Menu not found: "+e);if(s.shown)return;const r=s.menuElement;r&&(this._showMenuElement(r,t,i),s.shown=!0)}_hideMenu(e){const t=this._menuMap[e];if(!t)return void console.error("Menu not found: "+e);if(!t.shown)return;const i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}_hideAllMenus(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e];this._hideMenu(t.id)}}_showMenuElement(e,t,i){e.style.display="block";const s=e.offsetHeight,r=e.offsetWidth;i+s>window.innerHeight&&(i=window.innerHeight-s),t+r>window.innerWidth&&(t=window.innerWidth-r),e.style.left=t+"px",e.style.top=i+"px"}_hideMenuElement(e){e.style.display="none"}}class n{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=t.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id=`${this._lensContainerId}-canvas`,this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=t.lensPosToggle||!0,this._lensPosToggleAmount=t.lensPosToggleAmount||85,this._lensPosMarginLeft=t.lensPosMarginLeft||85,this._lensPosMarginTop=t.lensPosMarginTop||25,this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,this._zoomLevel=t.zoomLevel||2,this._active=!1!==t.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(()=>{this._active&&this._visible&&this.update()}))}update(){if(!this._active||!this._visible)return;if(!this._canvasPos)return;const e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,i&&(this._lensPosToggle?this._lensContainer.style.marginTop=t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount+"px":this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);const s=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-s/2,this._canvasPos[1]-s/2,s,s,0,0,this._lensCanvas.width,this._lensCanvas.height);const r=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){const e=this._snappedCanvasPos[0]-this._canvasPos[0],t=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft=r[0]+e*this._zoomLevel-10+"px",this._lensCursorDiv.style.marginTop=r[1]+t*this._zoomLevel-10+"px"}else this._lensCursorDiv.style.marginLeft=r[0]-10+"px",this._lensCursorDiv.style.marginTop=r[1]-10+"px"}set zoomFactor(e){this._zoomFactor=e,this.update()}get zoomFactor(){return this._zoomFactor}set canvasPos(e){this._canvasPos=e,this.update()}get canvasPos(){return this._canvasPos}set snappedCanvasPos(e){this._snappedCanvasPos=e,this.update()}get snappedCanvasPos(){return this._snappedCanvasPos}set snapped(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}get snapped(){return this._snapped}set active(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get active(){return this._active}set visible(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get visible(){return this._visible}destroy(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}let a=!0,l=a?Float64Array:Float32Array;const A=new l(3),h=new l(16),c=new l(16),u=new l(4),d={setDoublePrecisionEnabled(e){a=e,l=a?Float64Array:Float32Array},getDoublePrecisionEnabled:()=>a,MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId(e,t){const i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:(e,t)=>e+"#"+t,safeInv(e){const t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:e=>new l(e||2),vec3:e=>new l(e||3),vec4:e=>new l(e||4),mat3:e=>new l(e||9),mat3ToMat4:(e,t=new l(16))=>(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t),mat4:e=>new l(e||16),mat4ToMat3(e,t){},doublesToFloats(e,t,i){const s=new l(2);for(let r=0,o=e.length;r<o;r++)d.splitDouble(e[r],s),t[r]=s[0],i[r]=s[1]},splitDouble(e,t){const i=l.from([e])[0],s=e-i;t[0]=i,t[1]=s},createUUID:(()=>{const e=[];for(let t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return()=>{const t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,s=4294967295*Math.random()|0,r=4294967295*Math.random()|0;return`${e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255]}-${e[255&i]}${e[i>>8&255]}-${e[i>>16&15|64]}${e[i>>24&255]}-${e[63&s|128]}${e[s>>8&255]}-${e[s>>16&255]}${e[s>>24&255]}${e[255&r]}${e[r>>8&255]}${e[r>>16&255]}${e[r>>24&255]}`}})(),clamp:(e,t,i)=>Math.max(t,Math.min(i,e)),fmod(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2],negateVec3:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t),negateVec4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t),addVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i),addVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i),addVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i),addVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i),subVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i),subVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i),subVec2:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i),geometricMeanVec2(...e){const t=new l(e[0]);for(let i=1;i<e.length;i++)t[0]+=e[i][0],t[1]+=e[i][1];return t[0]/=e.length,t[1]/=e.length,t},subVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i),subScalarVec4:(e,t,i)=>(i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i),mulVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i),mulVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i),mulVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i),mulVec2Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i),divVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i),divVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i),divScalarVec3:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i),divVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i),divVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i),divScalarVec4:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i),dotVec4:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3],cross3Vec4(e,t){const i=e[0],s=e[1],r=e[2],o=t[0],n=t[1],a=t[2];return[s*a-r*n,r*o-i*a,i*n-s*o,0]},cross3Vec3(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=t[0],a=t[1],l=t[2];return i[0]=r*l-o*a,i[1]=o*n-s*l,i[2]=s*a-r*n,i},sqLenVec4:e=>d.dotVec4(e,e),lenVec4:e=>Math.sqrt(d.sqLenVec4(e)),dotVec3:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2],dotVec2:(e,t)=>e[0]*t[0]+e[1]*t[1],sqLenVec3:e=>d.dotVec3(e,e),sqLenVec2:e=>d.dotVec2(e,e),lenVec3:e=>Math.sqrt(d.sqLenVec3(e)),distVec3:(()=>{const e=new l(3);return(t,i)=>d.lenVec3(d.subVec3(t,i,e))})(),lenVec2:e=>Math.sqrt(d.sqLenVec2(e)),distVec2:(()=>{const e=new l(2);return(t,i)=>d.lenVec2(d.subVec2(t,i,e))})(),rcpVec3:(e,t)=>d.divScalarVec3(1,e,t),normalizeVec4(e,t){const i=1/d.lenVec4(e);return d.mulVec4Scalar(e,i,t)},normalizeVec3(e,t){const i=1/d.lenVec3(e);return d.mulVec3Scalar(e,i,t)},normalizeVec2(e,t){const i=1/d.lenVec2(e);return d.mulVec2Scalar(e,i,t)},angleVec3(e,t){let i=d.dotVec3(e,t)/Math.sqrt(d.sqLenVec3(e)*d.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:(()=>{const e=new l(3);return(t,i)=>(e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=d.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=d.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=d.lenVec3(e),i)})(),vecToArray:(()=>{function e(e){return Math.round(1e5*e)/1e5}return t=>{for(let i=0,s=(t=Array.prototype.slice.call(t)).length;i<s;i++)t[i]=e(t[i]);return t}})(),xyzArrayToObject:e=>({x:e[0],y:e[1],z:e[2]}),xyzObjectToArray:(e,t)=>((t=t||d.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t),dupMat4:e=>e.slice(0,16),mat4To3:e=>[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]],m4s:e=>[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e],setMat4ToZeroes:()=>d.m4s(0),setMat4ToOnes:()=>d.m4s(1),diagonalMat4v:e=>new l([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]]),diagonalMat4c:(e,t,i,s)=>d.diagonalMat4v([e,t,i,s]),diagonalMat4s:e=>d.diagonalMat4c(e,e,e,e),identityMat4:(e=new l(16))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e),identityMat3:(e=new l(9))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e),isIdentityMat4:e=>1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15],negateMat4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t),addMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i),addMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i),addScalarMat4:(e,t,i)=>d.addMat4Scalar(t,e,i),subMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i),subMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i),subScalarMat4:(e,t,i)=>(i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i),mulMat4(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],x=t[3],B=t[4],w=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+x*f,i[1]=v*r+b*l+y*u+x*g,i[2]=v*o+b*A+y*d+x*m,i[3]=v*n+b*h+y*p+x*_,i[4]=B*s+w*a+P*c+C*f,i[5]=B*r+w*l+P*u+C*g,i[6]=B*o+w*A+P*d+C*m,i[7]=B*n+w*h+P*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new l(9));const s=e[0],r=e[3],o=e[6],n=e[1],a=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=n*d+a*g+A*v,i[4]=n*p+a*m+A*b,i[7]=n*f+a*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=d.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,x=s*A-o*a,B=r*A-o*l,w=h*f-c*p,P=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-x*P+B*w);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*B-g*x+m*y)*I,t[3]=(-c*B+u*x-d*y)*I,t[4]=(-n*F+l*C-A*P)*I,t[5]=(i*F-r*C+o*P)*I,t[6]=(-p*B+g*b-m*v)*I,t[7]=(h*B-u*b+d*v)*I,t[8]=(n*E-a*C+A*w)*I,t[9]=(-i*E+s*C-o*w)*I,t[10]=(p*x-f*b+m*_)*I,t[11]=(-h*x+c*b-d*_)*I,t[12]=(-n*M+a*P-l*w)*I,t[13]=(i*M-s*P+r*w)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||d.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||d.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.translationMat4v(e,r))})(),translationMat4s:(e,t)=>d.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>d.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=d.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,c,u,p,f,g;return h=a*l,c=l*A,u=A*a,p=a*r,f=l*r,g=A*r,(i=i||d.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*u-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*c+p,i[7]=0,i[8]=n*u+f,i[9]=n*c-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>d.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=d.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=d.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>d.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=d.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,c=s*l,u=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=c+v,i[2]=u-_,i[3]=0,i[4]=c-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=u+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=d.vec4()){const s=d.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],c=e[6],u=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,u),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(c,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,u),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(c,-1,1)),Math.abs(c)<.99999?(i[1]=Math.atan2(-h,u),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(c,u),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,u))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(c,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,u),i[1]=0)),i},composeMat4:(e,t,i,s=d.mat4())=>(d.quaternionToRotationMat4(t,s),d.scaleMat4v(i,s),d.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new l(3),t=new l(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=d.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=d.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=d.lenVec3(e);d.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,c=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=c,t[9]*=c,t[10]*=c,d.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=d.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],c=t[1],u=t[2];if(r===h&&o===c&&n===u)return d.identityMat4();let p,f,g,m,_,v,b,y,x,B;return p=r-h,f=o-c,g=n-u,B=1/Math.sqrt(p*p+f*f+g*g),p*=B,f*=B,g*=B,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,B=Math.sqrt(m*m+_*_+v*v),B?(B=1/B,m*=B,_*=B,v*=B):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,x=p*_-f*m,B=Math.sqrt(b*b+y*y+x*x),B?(B=1/B,b*=B,y*=B,x*=B):(b=0,y=0,x=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=x,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+x*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>d.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=d.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];d.addVec4(r,s,h),d.subVec4(r,s,c);const o=2*s[2],n=c[0],a=c[1],l=c[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=h[0]/n,i[9]=h[1]/a,i[10]=-h[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/l,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],d.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=d.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=d.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],x=e[13],B=e[14],w=e[15];let P;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],P=s[e]||(s[e]=[0,0,0]),P[0]=A*o+d*n+m*a+y,P[1]=h*o+p*n+_*a+x,P[2]=c*o+f*n+v*a+B,P[3]=u*o+g*n+b*a+w;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],x=e[14],B=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+x,i[s+3]=c*o+f*n+v*a+B;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||d.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return 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l(3),i=new l(3);return s=>(e[0]=s[0],e[1]=s[1],e[2]=s[2],t[0]=s[3],t[1]=s[4],t[2]=s[5],d.subVec3(t,e,i),Math.abs(d.lenVec3(i)))})(),getAABB3DiagPoint:(()=>{const e=new l(3),t=new l(3),i=new l(3);return(s,r)=>{e[0]=s[0],e[1]=s[1],e[2]=s[2],t[0]=s[3],t[1]=s[4],t[2]=s[5];const o=d.subVec3(t,e,i),n=r[0]-s[0],a=s[3]-r[0],l=r[1]-s[1],A=s[4]-r[1],h=r[2]-s[2],c=s[5]-r[2];return o[0]+=n>a?n:a,o[1]+=l>A?l:A,o[2]+=h>c?h:c,Math.abs(d.lenVec3(o))}})(),getAABB3Area:e=>(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2]),getAABB3Center(e,t){const i=t||d.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center(e,t){const i=t||d.vec2();return 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r=e.onAttached;if(r&&(y.isFunction(r)?r(i):r.scope?r.callback.call(r.scope,i):r.callback(i)),n){let e,t,r,o;for(e in n)if(n.hasOwnProperty(e)){if(t=n[e],y.isFunction(t)?(r=t,o=null):(r=t.callback,o=t.scope),!r)continue;s.subs.push(i.on(e,r,o))}}}return a&&this.fire("dirty",this),this.fire(t,i),i}_checkComponent(e,t){if(!t.isComponent){if(!y.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}_checkComponent2(e,t){if(!t.isComponent){if(!y.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(t.scene.id===this.scene.id){for(var i=0,s=e.length;i<s;i++)if(e[i]===t.type)return t;return this.error("Expected component types: 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this._attachments)if(this._attachments.hasOwnProperty(e)){for(t=this._attachments[e],i=t.component,s=t.subs,r=0,o=s.length;r<o;r++)i.off(s[r]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&(i=this._ownedComponents[e],i.destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}const L=d.vec3(),U=d.vec3(),O=d.mat4();class k{constructor(){this.normal=d.vec3(),this.offset=0,this.testVertex=d.vec3()}set(e,t,i,s){const r=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*r,this.normal[1]=t*r,this.normal[2]=i*r,this.offset=s*r,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}class N{constructor(){this.planes=[new k,new k,new k,new k,new k,new k]}}function Q(e,t,i){const s=d.mulMat4(i,t,O),r=s[0],o=s[1],n=s[2],a=s[3],l=s[4],A=s[5],h=s[6],c=s[7],u=s[8],p=s[9],f=s[10],g=s[11],m=s[12],_=s[13],v=s[14],b=s[15];e.planes[0].set(a-r,c-l,g-u,b-m),e.planes[1].set(a+r,c+l,g+u,b+m),e.planes[2].set(a-o,c-A,g-p,b-_),e.planes[3].set(a+o,c+A,g+p,b+_),e.planes[4].set(a-n,c-h,g-f,b-v),e.planes[5].set(a+n,c+h,g+f,b+v)}function V(e,t){let i=N.INSIDE;const s=L,r=U;s[0]=t[0],s[1]=t[1],s[2]=t[2],r[0]=t[3],r[1]=t[4],r[2]=t[5];const o=[s,r];for(let t=0;t<6;++t){const s=e.planes[t];if(s.normal[0]*o[s.testVertex[0]][0]+s.normal[1]*o[s.testVertex[1]][1]+s.normal[2]*o[s.testVertex[2]][2]+s.offset<0)return N.OUTSIDE;s.normal[0]*o[1-s.testVertex[0]][0]+s.normal[1]*o[1-s.testVertex[1]][1]+s.normal[2]*o[1-s.testVertex[2]][2]+s.offset<0&&(i=N.INTERSECT)}return i}N.INSIDE=0,N.INTERSECT=1,N.OUTSIDE=2;class H extends R{constructor(e={}){if(!e.viewer)throw"[MarqueePicker] Missing config: viewer";if(!e.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";super(e.viewer.scene,e),this.viewer=e.viewer,this._objectsKdTree3=e.objectsKdTree3,this._canvasMarqueeCorner1=d.vec2(),this._canvasMarqueeCorner2=d.vec2(),this._canvasMarquee=d.AABB2(),this._marqueeFrustum=new N,this._marqueeFrustumProjMat=d.mat4(),this._pickMode=!1,this._marqueeElement=document.createElement("div"),document.body.appendChild(this._marqueeElement),this._marqueeElement.style.position="absolute",this._marqueeElement.style["z-index"]="40000005",this._marqueeElement.style.width="8px",this._marqueeElement.style.height="8px",this._marqueeElement.style.visibility="hidden",this._marqueeElement.style.top="0px",this._marqueeElement.style.left="0px",this._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==H.PICK_MODE_INSIDE&&e!==H.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===H.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=N.INTERSECT)=>{if(s===N.INTERSECT&&(s=V(this._marqueeFrustum,i.aabb)),s!==N.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===H.PICK_MODE_INSIDE){V(this._marqueeFrustum,r)===N.INSIDE&&e.push(s.id)}else{V(this._marqueeFrustum,r)!==N.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,c=-(this._canvasMarquee[1]-r)*n+1,u=this.viewer.scene.camera.frustum.near*(17*a);d.frustumMat4(l,A,h*a,c*a,u,1e4,this._marqueeFrustumProjMat),Q(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}H.PICK_MODE_INTERSECTS=0,H.PICK_MODE_INSIDE=1;class j extends R{constructor(e){super(e.marqueePicker,e);const t=e.marqueePicker,i=t.viewer.scene.canvas.canvas;let s,r,o,n,a,l,A,h=!1,c=!1,u=!1;i.addEventListener("mousedown",(e=>{this.getActive()&&0===e.button&&(A=setTimeout((function(){const o=t.viewer.scene.input;o.keyDown[o.KEY_CTRL]||t.clear(),s=e.pageX,r=e.pageY,a=e.offsetX,t.setMarqueeCorner1([s,r]),h=!0,t.viewer.cameraControl.pointerEnabled=!1,t.setMarqueeVisible(!0),i.style.cursor="crosshair"}),400),c=!0)})),i.addEventListener("mouseup",(e=>{if(!this.getActive())return;if(!h&&!u)return;if(0!==e.button)return;clearTimeout(A),o=e.pageX,n=e.pageY;const i=Math.abs(o-s),a=Math.abs(n-r);h=!1,t.viewer.cameraControl.pointerEnabled=!0,u&&(u=!1),(i>3||a>3)&&t.pick()})),document.addEventListener("mouseup",(e=>{this.getActive()&&0===e.button&&(clearTimeout(A),h&&(t.setMarqueeVisible(!1),h=!1,c=!1,u=!0,t.viewer.cameraControl.pointerEnabled=!0))}),!0),i.addEventListener("mousemove",(e=>{this.getActive()&&0===e.button&&c&&(clearTimeout(A),h&&(o=e.pageX,n=e.pageY,l=e.offsetX,t.setMarqueeVisible(!0),t.setMarqueeCorner2([o,n]),t.setPickMode(a<l?H.PICK_MODE_INSIDE:H.PICK_MODE_INTERSECTS)))}))}setActive(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}getActive(){return this._active}destroy(){}}class G{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class z{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){I.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const W={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i}};class K{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var s=this._dotClickable.style;s.left=Math.round(e)-9+"px",s.top=Math.round(t)-9+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}const X=d.vec3(),Y=d.vec4(),J=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,d.transformVec4(s,t,i),d.setMat4Translation(s,i,o),o.slice()}}();function Z(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function q(e,t,i,s=1e3){const r=d.getPositionsCenter(e,X),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function $(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function ee(e,t,i,s,r){const o=r?(Y.set(i,0),Y[3]=1,d.mulMat4v4(r,Y,Y)):i,n=d.dotVec3(t,o)+e,a=d.normalizeVec3(t,X);return d.mulVec3Scalar(a,-n,s),s}const te=1,ie=4,se=8,re=16,oe=32,ne=256,ae=512,le=1024,Ae=2048,he=new Float32Array([0,0,0]),ce=new Uint16Array([0,0,0]);d.OBB3();class ue{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=d.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=d.AABB3(),this._aabbDirty=!0,this._offset=d.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)d.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(te)}set visible(e){if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(ae)}set highlighted(e){if(!!(this._flags&ae)!==e){this._flags=e?this._flags|ae:this._flags&~ae;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(ne)}set xrayed(e){if(!!(this._flags&ne)!==e){this._flags=e?this._flags|ne:this._flags&~ne;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(le)}set selected(e){if(!!(this._flags&le)!==e){this._flags=e?this._flags|le:this._flags&~le;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(Ae)}set edges(e){if(!!(this._flags&Ae)!==e){this._flags=e?this._flags|Ae:this._flags&~Ae;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(re)}set clippable(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(oe)}set collidable(e){if(!!(this._flags&oe)!==e){this._flags=e?this._flags|oe:this._flags&~oe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(se)}set pickable(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return he[0]=e[0]/255,he[1]=e[1]/255,he[2]=e[2]/255,he}set colorize(e){if(e){ce[0]=Math.floor(255*e[0]),ce[1]=Math.floor(255*e[1]),ce[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(ce)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const de=d.vec4(),pe=d.vec4();class fe extends R{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._viewPos=d.vec3(),this._canvasPos=d.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(d.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){de.set(this._viewPos),de[3]=1,d.transformPoint4(this.scene.camera.projMatrix,de,pe);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+pe[0]/pe[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-pe[1]/pe[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof ue?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),Z(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),super.destroy()}}const ge=()=>{};function me(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}class _e extends fe{constructor(e,t,i,s={}){super(e,t);const r=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new K(i,{fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:r(s.onMouseOver,"mouseover"),onMouseLeave:r(s.onMouseLeave,"mouseleave"),onMouseWheel:r(s.onMouseWheel,"wheel"),onMouseDown:r(s.onMouseDown,"mousedown"),onMouseUp:r(s.onMouseUp,"mouseup"),onMouseMove:r(s.onMouseMove,"mousemove"),onTouchstart:r(s.onTouchstart,"touchstart"),onTouchmove:r(s.onTouchmove,"touchmove"),onTouchend:r(s.onTouchend,"touchend"),onContextMenu:r(s.onContextMenu,"contextmenu")});const o=()=>{const t=this.canvasPos.slice();me(e.canvas.canvas,i,t),this._dot.setPos(t[0],t[1])};this.on("worldPos",o);const n=e.camera.on("viewMatrix",o),a=e.camera.on("projMatrix",o);this._cleanup=()=>{e.camera.off(n),e.camera.off(a),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setCulled(e){this._dot.setCulled(e)}setFillColor(e){this._dot.setFillColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this._dot.setVisible(e)}destroy(){this._cleanup(),super.destroy()}}function ve(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",ge),l=i("onMove",ge),A=i("onEnd",ge),h=s.scene,c=h.canvas.canvas,u=e=>{const t=d.vec2([e.clientX,e.clientY]);me(c.ownerDocument.documentElement,c,t),l(t,(e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(c,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&u(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),u(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(c.addEventListener("mousemove",f),c.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{c.removeEventListener("mousemove",f),c.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function be(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",ge),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return ve(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}const ye=function(e,t,i){return function(s,r,o){const n=e.scene,a=n.canvas.canvas,l=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,me(a.ownerDocument.documentElement,a,t),t),A=e=>{const t=d.vec3(),s=d.vec3();return d.canvasPosToWorldRay(a,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,t,s),i(t,s)};let h=null;const c=()=>{};let u,p=c;const f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=c,u=null},g=function(){f(),a.removeEventListener("touchstart",m),a.removeEventListener("touchmove",_),a.removeEventListener("touchend",v)},m=function(i){const o=i.touches;if(1!==o.length)f(),s();else{const i=o[0],s=l(i,d.vec2());A(s)&&(u=i.identifier,p=e=>{d.distVec2(s,e)>20&&f()},h=setTimeout((function(){t.start(s),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=e=>{r(e,A(e))},p(s)}),300)}),250))}};a.addEventListener("touchstart",m,{passive:!0});const _=function(e){const t=[...e.changedTouches].find((e=>e.identifier===u));t&&p(l(t,d.vec2()))};a.addEventListener("touchmove",_,{passive:!0});const v=function(e){const t=[...e.changedTouches].find((e=>e.identifier===u));if(t){g();const e=l(t,d.vec2());o(e,A(e))}};return a.addEventListener("touchend",v,{passive:!0}),g}};class xe{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]="rotate("+t+"deg)",s["-moz-transform"]="rotate("+t+"deg)",s["-ms-transform"]="rotate("+t+"deg)",s["-o-transform"]="rotate("+t+"deg)",s.transform="rotate("+t+"deg)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}class Be{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(i.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),i.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):i.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}var we=d.vec3(),Pe=d.vec3();class Ce extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._color=t.color||e.defaultColor;var i=this.plugin.viewer.scene;this._originWorld=d.vec3(),this._cornerWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(12),this._vp=new Float64Array(12),this._pp=new Float64Array(12),this._cp=new Int16Array(6);const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},l=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};this._originDot=new _e(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._cornerDot=new _e(i,t.corner,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetDot=new _e(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._originWire=new xe(this._container,{color:this._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetWire=new xe(this._container,{color:this._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._angleLabel=new Be(this._container,{fillColor:this._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._visible=!1,this._originVisible=!1,this._cornerVisible=!1,this._targetVisible=!1,this._originWireVisible=!1,this._targetWireVisible=!1,this._angleVisible=!1,this._labelsVisible=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._cornerDot.on("worldPos",(e=>{this._cornerWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.cornerVisible=t.cornerVisible,this.targetVisible=t.targetVisible,this.originWireVisible=t.originWireVisible,this.targetWireVisible=t.targetWireVisible,this.angleVisible=t.angleVisible,this.labelsVisible=t.labelsVisible}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){const u=-.3,p=this._originDot.viewPos[2],f=this._cornerDot.viewPos[2],g=this._targetDot.viewPos[2];if(p>u||f>u||g>u)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var t=this._pp,i=this._cp,s=e.canvas.canvas.getBoundingClientRect();const m=this._container.getBoundingClientRect();for(var r=s.top-m.top,o=s.left-m.left,n=e.canvas.boundary,a=n[2],l=n[3],A=0,h=0,c=t.length;h<c;h+=4)i[A]=o+Math.floor((1+t[h+0]/t[h+3])*a/2),i[A+1]=r+Math.floor((1-t[h+1]/t[h+3])*l/2),A+=2;if(this._originWire.setStartAndEnd(i[0],i[1],i[2],i[3]),this._targetWire.setStartAndEnd(i[2],i[3],i[4],i[5]),this._angleLabel.setPosBetweenWires(i[0],i[1],i[2],i[3],i[4],i[5]),d.subVec3(this._originWorld,this._cornerWorld,we),d.subVec3(this._targetWorld,this._cornerWorld,Pe),!(0===we[0]&&0===we[1]&&0===we[2]||0===Pe[0]&&0===Pe[1]&&0===Pe[2])){const e=this._approximate?" ~ ":" = ";d.normalizeVec3(we),d.normalizeVec3(Pe);const t=Math.abs(d.angleVec3(we,Pe));this._angle=t/d.DEGTORAD,this._angleLabel.setText(e+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._update(),this._angle}get color(){return this._color}set color(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}set visible(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}get originVisible(){return this._originVisible}set cornerVisible(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}get cornerVisible(){return this._cornerVisible}set targetVisible(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}get targetVisible(){return this._targetVisible}set originWireVisible(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}get originWireVisible(){return this._originWireVisible}set targetWireVisible(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}get targetWireVisible(){return this._targetWireVisible}set angleVisible(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get angleVisible(){return this._angleVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}setHighlighted(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),super.destroy()}}class Me extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Ee extends Me{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=d.vec3(),A=d.vec2();this._currentAngleMeasurement=null;const h=d.vec2(),c=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:if(this._canvasToPagePos)this._canvasToPagePos(t,i,h),this.markerDiv.style.left=h[0]-5+"px",this.markerDiv.style.top=h[1]-5+"px";else{const e=d.vec2(i);me(t,this.markerDiv.parentNode,e),this.markerDiv.style.left=e[0]-5+"px",this.markerDiv.style.top=e[1]-5+"px"}break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&c(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||c(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:d.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const u=e=>{if(r=!1,s&&(s.visible=!0,s.pointerPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&u(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||u(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Fe extends z{constructor(e,t={}){super("AngleMeasurements",e),this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,angleMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get control(){return this._defaultControl||(this._defaultControl=new Ee(this,{})),this._defaultControl}get measurements(){return this._measurements}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.corner,s=e.target,r=new Ce(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},corner:{entity:i.entity,worldPos:i.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:e.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[r.id]=r,r.on("destroyed",(()=>{delete this._measurements[r.id]})),r.clickable=!0,this.fire("measurementCreated",r),r}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class Ie extends Me{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentAngleMeasurement=null,this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._touchState=0,this._attachPlugin(e,t)}_attachPlugin(e){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const c=i.touches[0],p=c.clientX,f=c.clientY;switch(n.set([p,f]),a.set([p,f]),this._touchState){case 0:if(1!==l&&null!==o)return void u();const i=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement?this._currentAngleMeasurement.origin.worldPos=s:(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},corner:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1),this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=c.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=c.identifier;break;case 6:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=8,h()}),this._longTouchTimeoutMs),this._touchState=7),A=c.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(e=>{this.pointerCircle.stop();const i=e.touches.length;if(1!==i||1!==e.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const r=e.touches[0],n=r.clientX,l=r.clientY;if(r.identifier!==A)return;let h,c;switch(a.set([n,l]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(h.worldPos),this._currentAngleMeasurement.origin.worldPos=h.worldPos):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),s.set(c.worldPos),this._currentAngleMeasurement.origin.worldPos=c.worldPos):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.corner.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.corner.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1)),this._touchState=5;break;case 8:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.target.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.target.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0)),this._touchState=8}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0],u=h.clientX,p=h.clientY;if(h.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([u,p]),this._touchState){case 1:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos},corner:{worldPos:i.worldPos},target:{worldPos:i.worldPos}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=3):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=6):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 5:this.pointerLens&&(this.pointerLens.visible=!1),this._touchState=6,c();break;case 7:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=6);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0}c();break;case 8:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement&&this._currentAngleMeasurement.targetVisible?(this._currentAngleMeasurement.clickable=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._touchState=0):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class De extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=be({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Se extends De{constructor(e,t){super(e,t,!0,!1)}}class Te extends De{constructor(e,t){super(e,t,!1,!0)}}const Re=d.vec3(),Le=d.vec3(),Ue=d.vec3();class Oe extends fe{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._marker.addEventListener("contextmenu",this._onContextMenuExtenalMarker=()=>{this.plugin.fire("contextmenu",this)}),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("contextmenu",(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=d.normalizeVec3(e.worldNormal,Re),i=this.plugin&&this.plugin.surfaceOffset||0,s=d.mulVec3Scalar(t,i,Le),r=d.addVec3(e.worldPos,s,Ue);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class ke extends z{constructor(e,t){super("Annotations",e),this._labelHTML=t.labelHTML||"<div></div>",this._markerHTML=t.markerHTML||"<div></div>",this._container=t.container||document.body,this._values=t.values||{},this.annotations={},this.surfaceOffset=t.surfaceOffset}getContainerElement(){return this._container}send(e,t){if("clearAnnotations"===e)this.clear()}set surfaceOffset(e){null==e&&(e=.3),this._surfaceOffset=e}get surfaceOffset(){return this._surfaceOffset}createAnnotation(e){this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=null;e.markerElementId&&((t=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var i=null;e.labelElementId&&((i=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));const s=new Oe(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:t,labelElement:i,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:y.apply(e.values,y.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(()=>{delete this.annotations[s.id],this.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}destroyAnnotation(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}clear(){const e=Object.keys(this.annotations);for(var t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}destroy(){this.clear(),super.destroy()}}class Ne extends R{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const Qe=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class Ve extends R{constructor(e,t={}){super(e,t),this._backgroundColor=d.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new Ne(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+d.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<Qe.length;e++)try{this.gl=this.canvas.getContext(Qe[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class He{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=d.vec3(),this.snapPickOrigin=d.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),J(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;J(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=d.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const je={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Ge=document.createElement("canvas");if(Ge){const e=Ge.getContext("webgl",{antialias:!0})||Ge.getContext("experimental-webgl",{antialias:!0});je.WEBGL=!!e,je.WEBGL&&(je.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?je.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?je.FS_MAX_FLOAT_PRECISION="mediump":je.FS_MAX_FLOAT_PRECISION="lowp":je.FS_MAX_FLOAT_PRECISION="mediump",je.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),je.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),je.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),je.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),je.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),je.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),je.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),je.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),je.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),je.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){je.SUPPORTED_EXTENSIONS[e]=!0})))}class ze{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class We{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class Ke{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class Xe{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const Ye=new e({});function Je(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function Ze(e){console.error(e.join("\n"))}class qe{constructor(e,t){this.id=Ye.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new We(e,e.VERTEX_SHADER,Je(this.source.vertex)),this._fragmentShader=new We(e,e.FRAGMENT_SHADER,Je(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Ze(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Ze(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Ze(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Ze(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Ze(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new Ke(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new Xe(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(Ye.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class $e{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class et{constructor(e,t){this.scene=e,this.aabb=d.AABB3(),this.origin=d.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;d.collapseAABB3(e),d.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new $e(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const tt=d.vec3([1,0,0]),it=d.vec3();class st{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new et(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new et(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new qe(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,J(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,ee(i.dist,i.dir,o,it)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*tt[0],i=255*tt[1],s=255*tt[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const rt=d.vec2();class ot{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,c=this._getInverseProjectMat(),u=Math.random(),p="perspective"===s.camera.projection;rt[0]=o,rt[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,c),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,rt),t.uniform1f(this._uRandomSeed,u);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new qe(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new $e(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new $e(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new $e(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const nt=new Float32Array(ut(17,[0,1])),at=new Float32Array(ut(17,[1,0])),lt=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(ct(s,t));return i}(17,4)),At=new Float32Array(2);class ht{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new qe(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new $e(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new $e(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new $e(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),At[0]=n,At[1]=a,s.uniform2fv(this._uViewport,At),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,at):s.uniform2fv(this._uSampleOffsets,nt),s.uniform1fv(this._uSampleWeights,lt);const c=e.getDepthTexture(),u=t.getTexture();r.bindTexture(this._uDepthTexture,c,0),r.bindTexture(this._uOcclusionTexture,u,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function ct(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function ut(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class dt{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class pt{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new dt(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function ft(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const gt=function(t,i){i=i||{};const s=new He(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},c=[],u=[],p=!0,f=!0,g=!0,_=!0,v=!0,b=!0,y=!0,x=!0;const B=new pt(t);let w=!1;const P=new ot(t),C=new ht(t);function M(){p&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),p=!1,f=!0),f&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];c[e++]=s}}c.length=e,c.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),f=!1,g=!0),g&&function(){let e=0;for(let t=0,i=c.length;t<i;t++){const i=c[t];i.rebuildRenderFlags(),i.renderFlags.culled||(u[e++]=i)}u.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!ft(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!ft(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!ft(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!ft(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!ft(o,"WEBGL_compressed_texture_pvrtc")&&!ft(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,g=!0},this.setEdgesEnabled=function(e){v=e,g=!0},this.setSAOEnabled=function(e){b=e,g=!0},this.setPBREnabled=function(e){y=e,g=!0},this.setColorTextureEnabled=function(e){x=e,g=!0},this.needStateSort=function(){f=!0},this.shadowsDirty=function(){},this.imageDirty=function(){g=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){P.init(),C.init(),g=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,p=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],p=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return g||p||f},this.render=function(e){(e=e||{}).force&&(g=!0),M(),g&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=B.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=B.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),P.render(r),n.unbind(),i.blur){const e=B.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],d=[],p=[],f=[],g=[],w=[],P=[],C=[],M=[],E=[],F=[],I=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=x&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?I:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const D=t.sao.possible;if(b&&D){const e=B.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let S,T;const R=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let L=0,U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,Y=0,J=0;for(let e=0,t=u.length;e<t;e++){if(T=u[e],!0===T.culled||!1===T.visible)continue;const t=T.renderFlags;t.colorOpaque&&(b&&D&&T.saoEnabled?i[L++]=T:T.drawColorOpaque(s)),_&&t.colorTransparent&&(l[O++]=T),t.xrayedSilhouetteTransparent&&(d[V++]=T),t.xrayedSilhouetteOpaque&&(h[N++]=T),t.highlightedSilhouetteTransparent&&(w[z++]=T),t.highlightedSilhouetteOpaque&&(f[j++]=T),t.selectedSilhouetteTransparent&&(E[Y++]=T),t.selectedSilhouetteOpaque&&(C[K++]=T),T.edges&&v&&(t.edgesOpaque&&(r[U++]=T),t.edgesTransparent&&(A[k++]=T),t.selectedEdgesTransparent&&(F[J++]=T),t.selectedEdgesOpaque&&(M[X++]=T),t.xrayedEdgesTransparent&&(p[H++]=T),t.xrayedEdgesOpaque&&(c[Q++]=T),t.highlightedEdgesTransparent&&(P[W++]=T),t.highlightedEdgesOpaque&&(g[G++]=T))}if(L>0)for(s.withSAO=!0,S=0;S<L;S++)i[S].drawColorOpaque(s);if(U>0)for(S=0;S<U;S++)r[S].drawEdgesColorOpaque(s);if(N>0)for(S=0;S<N;S++)h[S].drawSilhouetteXRayed(s);if(Q>0)for(S=0;S<Q;S++)c[S].drawEdgesXRayed(s);if(V>0||H>0||O>0||k>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(O>0||k>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),k>0)for(S=0;S<k;S++)T=A[S],T.drawEdgesColorTransparent(s);if(O>0)for(S=0;S<O;S++)T=l[S],T.drawColorTransparent(s);if(H>0)for(S=0;S<H;S++)p[S].drawEdgesXRayed(s);if(V>0)for(S=0;S<V;S++)d[S].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(j>0||G>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),G>0)for(S=0;S<G;S++)g[S].drawEdgesHighlighted(s);if(j>0)for(S=0;S<j;S++)f[S].drawSilhouetteHighlighted(s)}if(z>0||W>0||j>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(S=0;S<W;S++)P[S].drawEdgesHighlighted(s);if(z>0)for(S=0;S<z;S++)w[S].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(K>0||X>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),X>0)for(S=0;S<X;S++)M[S].drawEdgesSelected(s);if(K>0)for(S=0;S<K;S++)C[S].drawSilhouetteSelected(s)}if(Y>0||J>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),J>0)for(S=0;S<J;S++)F[S].drawEdgesSelected(s);if(Y>0)for(S=0;S<Y;S++)E[S].drawSilhouetteSelected(s);o.disable(o.BLEND)}const Z=Date.now(),q=m.frame;q.renderTime=(Z-R)/1e3,q.drawElements=s.drawElements,q.drawArrays=s.drawArrays,q.useProgram=s.useProgram,q.bindTexture=s.bindTexture,q.bindArray=s.bindArray;const $=je.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<$;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const ee=je.MAX_VERTEX_ATTRIBS;for(let e=0;e<ee;e++)o.disableVertexAttribArray(e)}(e)}(e),m.frame.frameCount++,g=!1)},this.pick=function(){const e=d.vec3();d.mat4();const i=d.mat4(),n=d.vec3(),a=d.vec3([0,1,0]),h=new ze,c=d.vec2(),p=d.vec3(),f=d.vec3(),g=d.vec3();return d.vec3(),d.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,x=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,x=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,x=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=d.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),d.normalizeVec3(n),d.cross3Vec3(g,n,a),b=d.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,x="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const w=B.getRenderBuffer("pick",{size:[1,1]});w.bind();const P=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,d=a.excludeEntityIds;for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||d&&d[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(w,p,b,y,m,_);if(!P)return w.unbind(),null;const C=P.delegatePickedEntity?P.delegatePickedEntity():P;return C?(m.pickSurface&&(P.canPickTriangle&&P.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(w,P,p,b,y,_),P.pickTriangleSurface(b,y,x,_),_.pickSurfacePrecision=!1):P.canPickWorldPos&&P.canPickWorldPos()&&(c[0]=t.camera.project.near,c[1]=t.camera.project.far,F(w,P,p,b,y,c,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=B.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const c=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const u=[c[0]/d.MAX_INT,c[1]/d.MAX_INT,c[2]/d.MAX_INT];d.normalizeVec3(u),l.worldNormal=u}(0,P,p,b,y,_),_.pickSurfacePrecision=!1)),w.unbind(),_.entity=C,_):(w.unbind(),null)}}();const F=function(){const e=d.vec4(),i=d.vec4(),n=d.vec4(),a=d.vec4(),l=d.vec4(),A=d.mat4(),h=d.mat4(),c=d.mat4();return function(u,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return d.dotVec4(t,i)}(u.read(0,0)),x=(f[0]-r.clientWidth/2)/(r.clientWidth/2),B=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),w=p.origin;let P;if(w){const e=J(g,w,A);P=d.mulMat4(m,e,h)}else P=d.mulMat4(m,g,h);const C=d.inverseMat4(P,c);e[0]=x,e[1]=B,e[2]=-1,e[3]=1;let M=d.transformVec4(C,e);M=d.mulVec4Scalar(M,1/M[3]),i[0]=x,i[1]=B,i[2]=1,i[3]=1;let E=d.transformVec4(C,i);E=d.mulVec4Scalar(E,1/E[3]);const F=d.subVec3(E,M,n),I=d.addVec3(M,d.mulVec4Scalar(F,y,a),l);w&&d.addVec3(I,w),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new ze;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:c,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=c||30,_=B.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:d.lookAtMat4v(a,d.addVec3(a,h,d.vec3()),d.vec3([0,1,0]),d.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const x=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),w=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),P=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=x.slice(F,F+4),R=w.slice(F,F+4),L=P.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=d.normalizeVec3([R[0]/d.MAX_INT,R[1]/d.MAX_INT,R[2]/d.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<x.length;e+=4)if(x[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?x[e+3]>y.length/2:p,result:[x[e+0],x[e+1],x[e+2],x[e+3]],normal:[w[e+0],w[e+1],w[e+2],w[e+3]],id:[P[e+0],P[e+1],P[e+2],P[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=d.normalizeVec3([t[0]/d.MAX_INT,t[1]/d.MAX_INT,t[2]/d.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new st(t,B),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=B.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),g=!0},this.beginSnapshot=function(e={}){const t=B.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),w=!0},this.renderSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),g=!0},this.readSnapshot=function(e){return B.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return B.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").unbind(),w=!1},this.destroy=function(){A={},h={},B.destroy(),P.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class mt extends R{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.MOUSE_LEFT_BUTTON=260,this.MOUSE_MIDDLE_BUTTON=261,this.MOUSE_RIGHT_BUTTON=262,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=d.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){const t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const _t=new e({});class vt{constructor(e){this.id=_t.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){_t.removeItem(this.id)}}class bt extends R{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new vt({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class yt extends R{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new vt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),d.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class xt extends R{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new vt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),d.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class Bt extends R{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new vt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){d.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class wt extends R{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new vt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const Pt=d.vec3(),Ct=d.vec3(),Mt=d.vec3(),Et=d.vec3(),Ft=d.vec3(),It=d.vec3(),Dt=d.vec4(),St=d.vec4(),Tt=d.vec4(),Rt=d.mat4(),Lt=d.mat4(),Ut=d.vec3(),Ot=d.vec3(),kt=d.vec3(),Nt=d.vec3();class Qt extends R{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new vt({deviceMatrix:d.mat4(),hasDeviceMatrix:!1,matrix:d.mat4(),normalMatrix:d.mat4(),inverseMatrix:d.mat4()}),this._perspective=new yt(this),this._ortho=new xt(this),this._frustum=new Bt(this),this._customProjection=new wt(this),this._project=this._perspective,this._eye=d.vec3([0,0,10]),this._look=d.vec3([0,0,0]),this._up=d.vec3([0,1,0]),this._worldUp=d.vec3([0,1,0]),this._worldRight=d.vec3([1,0,0]),this._worldForward=d.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(d.subVec3(this._eye,this._look,Ut),d.normalizeVec3(Ut,Ot),d.mulVec3Scalar(Ot,1e3,kt),d.addVec3(this._look,kt,Nt),t=Nt):t=this._eye,e.hasDeviceMatrix?(d.lookAtMat4v(t,this._look,this._up,Lt),d.mulMat4(e.deviceMatrix,Lt,e.matrix)):d.lookAtMat4v(t,this._look,this._up,e.matrix),d.inverseMat4(this._state.matrix,this._state.inverseMatrix),d.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=d.subVec3(this._eye,this._look,Pt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Rt),t=d.transformPoint3(Rt,t,Ct),this.eye=d.addVec3(this._look,t,Mt),this.up=d.transformPoint3(Rt,this._up,Et)}orbitPitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._eye,this._look,Pt);const i=d.cross3Vec3(d.normalizeVec3(t,Ct),d.normalizeVec3(this._up,Mt));d.rotationMat4v(.0174532925*e,i,Rt),t=d.transformPoint3(Rt,t,Et),this.up=d.transformPoint3(Rt,this._up,Ft),this.eye=d.addVec3(t,this._look,It)}yaw(e){let t=d.subVec3(this._look,this._eye,Pt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Rt),t=d.transformPoint3(Rt,t,Ct),this.look=d.addVec3(t,this._eye,Mt),this._gimbalLock&&(this.up=d.transformPoint3(Rt,this._up,Et))}pitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._look,this._eye,Pt);const i=d.cross3Vec3(d.normalizeVec3(t,Ct),d.normalizeVec3(this._up,Mt));d.rotationMat4v(.0174532925*e,i,Rt),this.up=d.transformPoint3(Rt,this._up,It),t=d.transformPoint3(Rt,t,Et),this.look=d.addVec3(t,this._eye,Ft)}pan(e){const t=d.subVec3(this._eye,this._look,Pt),i=[0,0,0];let s;if(0!==e[0]){const r=d.cross3Vec3(d.normalizeVec3(t,[]),d.normalizeVec3(this._up,Ct));s=d.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=d.mulVec3Scalar(d.normalizeVec3(this._up,Mt),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=d.mulVec3Scalar(d.normalizeVec3(t,Et),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=d.addVec3(this._eye,i,Ft),this.look=d.addVec3(this._look,i,It)}zoom(e){const t=d.subVec3(this._eye,this._look,Pt),i=Math.abs(d.lenVec3(t,Ct)),s=Math.abs(i+e);if(s<.5)return;const r=d.normalizeVec3(t,Mt);this.eye=d.addVec3(this._look,d.mulVec3Scalar(r,s),Et)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=d.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return d.lenVec3(d.subVec3(this._look,this._eye,Pt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=Dt,i=St,s=Tt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,d.mulMat4v4(this.viewMatrix,t,i),d.mulMat4v4(this.projMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Vt extends R{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class Ht extends Vt{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new vt({type:"dir",dir:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=d.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];d.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=d.identityMat4()),d.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new dt(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class jt extends Vt{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:d.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class Gt extends R{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),m.memory.meshes++}destroy(){super.destroy(),m.memory.meshes--}}var zt=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],d.decompressPosition(n,i,A),d.decompressPosition(a,i,h),d.decompressPosition(l,i,c)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],c[0]=e[v],c[1]=e[v+1],c[2]=e[v+2]),d.subVec3(c,h,u),d.subVec3(A,h,p),d.cross3Vec3(u,p,f),d.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:d.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],x=Math.cos(d.DEGTORAD*b),B={};let w,P,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)w=s[e+i],P=s[e+(i+1)%3],C=Math.min(w,P),M=Math.max(w,P),E=C+","+M,void 0===B[E]?B[E]={index1:C,index2:M,face1:t,face2:void 0}:B[E].face2=t}for(E in B)F=B[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=d.dotVec3(I,D),S>x)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const Wt=function(){const e=d.mat4(),t=d.mat4();return function(i,s){s=s||d.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return d.identityMat4(e),d.translationMat4v(i,e),d.identityMat4(t),d.scalingMat4v([a/h,l/h,A/h],t),d.mulMat4(e,t,s),s}}();var Kt=function(){const e=d.mat4(),t=d.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));d.identityMat4(e),d.translationMat4v(s,e),d.identityMat4(t),d.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:d.mulMat4(e,t,d.identityMat4())}}}();var Xt=function(){const e=d.mat3(),t=d.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));d.identityMat3(e),d.translationMat3v(s,e),d.identityMat3(t),d.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:d.mulMat3(e,t,d.identityMat3())}}}();function Yt(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function Jt(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function Zt(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const qt={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:Wt,compressPositions:Kt,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:Xt,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=Yt(e,a,"floor","floor"),s=Jt(i),o=n=Zt(e,a,s),i=Yt(e,a,"ceil","floor"),s=Jt(i),o=Zt(e,a,s),o>n&&(r=i,n=o),i=Yt(e,a,"floor","ceil"),s=Jt(i),o=Zt(e,a,s),o>n&&(r=i,n=o),i=Yt(e,a,"ceil","ceil"),s=Jt(i),o=Zt(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},$t=m.memory,ei=d.AABB3();class ti extends Gt{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new vt({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=qt.getPositionsBounds(t.positions),s=qt.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=qt.getUVBounds(t.uv),s=qt.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=qt.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),$t.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),$t.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new $e(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),$t.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new $e(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),$t.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new $e(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),$t.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new $e(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),$t.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=zt(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),$t.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=d.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new $e(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new $e(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),$t.positions+=this._pickTrianglePositionsBuf.numItems,$t.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),qt.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=qt.getPositionsBounds(e),s=qt.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),qt.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),qt.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=d.AABB3()),d.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=d.OBB3()),d.positions3ToAABB3(this._state.positions,ei,this._state.positionsDecodeMatrix),d.AABB3ToOBB3(ei,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),$t.meshes--}}function ii(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class si extends R{get type(){return"Material"}constructor(e,t={}){super(e,t),m.memory.materials++}destroy(){super.destroy(),m.memory.materials--}}const ri={opaque:0,mask:1,blend:2},oi=["opaque","mask","blend"];class ni extends si{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new vt({type:"PhongMaterial",ambient:d.vec3([1,1,1]),diffuse:d.vec3([1,1,1]),specular:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=ri[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return oi[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const ai={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class li extends si{get type(){return"EmphasisMaterial"}get presets(){return ai}constructor(e,t={}){super(e,t),this._state=new vt({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=ai[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(ai).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Ai={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class hi extends si{get type(){return"EdgeMaterial"}get presets(){return Ai}constructor(e,t={}){super(e,t),this._state=new vt({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=Ai[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Ai).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const ci={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class ui extends R{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=d.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return ci}set units(e){e||(e="meters");ci[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=d.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=d.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class di extends R{constructor(e,t={}){super(e,t),this._supported=je.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class pi extends R{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const fi={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class gi extends si{get type(){return"PointsMaterial"}get presets(){return fi}constructor(e,t={}){super(e,t),this._state=new vt({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=fi[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(fi).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const mi={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class _i extends si{get type(){return"LinesMaterial"}get presets(){return mi}constructor(e,t={}){super(e,t),this._state=new vt({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=mi[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(mi).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function vi(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class bi extends R{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new Ve(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new gt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=d.vec4([0,0,0,0]),t=d.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new mt(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new ui(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new di(this,{enabled:t.saoEnabled}),this.crossSections=new pi(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,I._addScene(this),this._initDefaults(),this._viewport=new bt(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new Qt(this,{id:"default.camera",dontClear:!0}),new jt(this,{color:[1,1,1],intensity:.7}),new Ht(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Ht(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+y.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=d.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],y.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&I.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=d.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||ii(ti)}get material(){return this.components["default.material"]||new ni(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new li(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new li(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new li(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new hi(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new gi(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new _i(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=d.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=d.AABB3());let e,t=d.MAX_DOUBLE,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MIN_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=vi(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=vi(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(y.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MAX_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE,a=d.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=d.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){y.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=d.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const yi=1e3,xi=1001,Bi=1002,wi=1003,Pi=1004,Ci=1004,Mi=1005,Ei=1005,Fi=1006,Ii=1007,Di=1007,Si=1008,Ti=1008,Ri=1009,Li=1010,Ui=1011,Oi=1012,ki=1013,Ni=1014,Qi=1015,Vi=1016,Hi=1017,ji=1018,Gi=1020,zi=1021,Wi=1022,Ki=1023,Xi=1024,Yi=1025,Ji=1026,Zi=1027,qi=1028,$i=1029,es=1030,ts=1031,is=1033,ss=33776,rs=33777,os=33778,ns=33779,as=35840,ls=35841,As=35842,hs=35843,cs=36196,us=37492,ds=37496,ps=37808,fs=37809,gs=37810,ms=37811,_s=37812,vs=37813,bs=37814,ys=37815,xs=37816,Bs=37817,ws=37818,Ps=37819,Cs=37820,Ms=37821,Es=36492,Fs=3e3,Is=3001,Ds=1e4,Ss=10001,Ts=10002,Rs=10003,Ls=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=ks(e),u=s.getNumAllocatedSectionPlanes()>0,d=Os(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=ks(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=Os(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Us[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Us[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Us[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Us[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Us[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Us[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Us={};function Os(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function ks(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Us[3e3]="linearToLinear",Us[3001]="sRGBToLinear";const Ns=d.vec3(),Qs=new e({}),Vs=function(e,t){this.id=Qs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ls(t),this._allocate(t)},Hs={};Vs.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=Hs[i];if(!s){if(s=new Vs(i,e),s.errors)return console.log(s.errors.join("\n")),null;Hs[i]=s,m.memory.programs++}return s._useCount++,s},Vs.prototype.put=function(){0==--this._useCount&&(Qs.removeItem(this.id),this._program&&this._program.destroy(),delete Hs[this._hash],m.memory.programs--)},Vs.prototype.webglContextRestored=function(){this._program=null},Vs.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=je.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=ee(i.dist,i.dir,c,Ns);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},Vs.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},Vs.prototype._bindProgram=function(e){const t=je.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class js{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Gs=new e({}),zs=d.vec3(),Ws=function(e,t){this.id=Gs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new js(t),this._allocate(t)},Ks={};Ws.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ks[t];return i||(i=new Ws(t,e),Ks[t]=i,m.memory.programs++),i._useCount++,i},Ws.prototype.put=function(){0==--this._useCount&&(Gs.removeItem(this.id),this._program&&this._program.destroy(),delete Ks[this._hash],m.memory.programs--)},Ws.prototype.webglContextRestored=function(){this._program=null},Ws.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=ee(i.dist,i.dir,A,zs);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Ws.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new qe(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Ws.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class Xs{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Ys=new e({}),Js=d.vec3(),Zs=function(e,t){this.id=Ys.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Xs(t),this._allocate(t)},qs={};Zs.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=qs[t];return i||(i=new Zs(t,e),qs[t]=i,m.memory.programs++),i._useCount++,i},Zs.prototype.put=function(){0==--this._useCount&&(Ys.removeItem(this.id),this._program&&this._program.destroy(),delete qs[this._hash],m.memory.programs--)},Zs.prototype.webglContextRestored=function(){this._program=null},Zs.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=ee(i.dist,i.dir,h,Js);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},Zs.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Zs.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class $s{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const er=d.vec3(),tr=function(e,t){this._hash=e,this._shaderSource=new $s(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},ir={};tr.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=ir[t];if(!i){if(i=new tr(t,e),i.errors)return console.log(i.errors.join("\n")),null;ir[t]=i,m.memory.programs++}return i._useCount++,i},tr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete ir[this._hash],m.memory.programs--)},tr.prototype.webglContextRestored=function(){this._program=null},tr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=ee(i.dist,i.dir,a,er);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},tr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},tr.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class sr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const rr=d.vec3(),or=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new sr(t),this._allocate(t)},nr={};or.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=nr[t];if(!i){if(i=new or(t,e),i.errors)return console.log(i.errors.join("\n")),null;nr[t]=i,m.memory.programs++}return i._useCount++,i},or.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete nr[this._hash],m.memory.programs--)},or.prototype.webglContextRestored=function(){this._program=null},or.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=ee(i.dist,i.dir,l,rr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},or.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new qe(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class ar{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const lr=d.vec3(),Ar=function(e,t){this._hash=e,this._shaderSource=new ar(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},hr={};Ar.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=hr[t];if(!i){if(i=new Ar(t,e),i.errors)return console.log(i.errors.join("\n")),null;hr[t]=i,m.memory.programs++}return i._useCount++,i},Ar.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete hr[this._hash],m.memory.programs--)},Ar.prototype.webglContextRestored=function(){this._program=null},Ar.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=ee(i.dist,i.dir,a,lr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Ar.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Ar.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class cr{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const ur=function(e,t){this._hash=e,this._shaderSource=new cr(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},dr={};ur.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=dr[i];if(!s){if(s=new ur(i,e),s.errors)return console.log(s.errors.join("\n")),null;dr[i]=s,m.memory.programs++}return s._useCount++,s},ur.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete dr[this._hash],m.memory.programs--)},ur.prototype.webglContextRestored=function(){this._program=null},ur.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},ur.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new qe(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},ur.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class pr{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const fr=d.OBB3(),gr=d.vec4(),mr=d.vec4(),_r=d.vec4(),vr=d.vec3([1,0,0]),br=d.vec3([0,1,0]),yr=d.vec3([0,0,1]),xr=d.vec3(3),Br=d.vec3(3),wr=d.identityMat4();class Pr extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new pr,this._state=new vt({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:d.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._worldMatrix=d.identityMat4(),this._worldNormalMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=d.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=d.identityMat4()),this.__localMatrix.set(e||wr),d.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=d.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Vs.get(this),this._emphasisFillRenderer=Ws.get(this),this._emphasisEdgesRenderer=Zs.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=tr.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=Ar.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=d.mat4()),d.transposeMat4(this._worldMatrix,this._worldNormalMatrix),d.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){d.transformOBB3(e,this._geometry.obb,fr),d.OBB3ToAABB3(fr,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return gr[0]=e[0],gr[1]=e[1],gr[2]=e[2],gr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(gr,mr),d.mulQuaternions(this.quaternion,mr,_r),this.quaternion=_r,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return gr[0]=e[0],gr[1]=e[1],gr[2]=e[2],gr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(gr,mr),d.mulQuaternions(mr,this.quaternion,mr),this}rotateX(e){return this.rotate(vr,e)}rotateY(e){return this.rotate(br,e)}rotateZ(e){return this.rotate(yr,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,xr),d.mulVec3Scalar(xr,t,Br),d.addVec3(this.position,Br,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(vr,e)}translateY(e){return this.translate(br,e)}translateZ(e){return this.translate(yr,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=Vs.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=Vs.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ws.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ws.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ws.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=Ar.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=ur.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=tr.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=or.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){Cr(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const Cr=function(){const e=d.vec3(),t=d.vec3(),i=d.vec3(),s=d.vec3(),r=d.vec3(),o=d.vec3(),n=d.vec4(),a=d.vec3(),l=d.vec3(),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3(),m=d.vec4(),_=d.vec4(),v=d.vec4(),b=d.vec3(),y=d.vec3(),x=d.vec3(),B=d.vec3(),w=d.vec3(),P=d.vec3(),C=d.vec3(),M=d.vec3(),E=d.vec3(),F=d.vec3(),I=d.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let W,K,X;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,W=3*O,K=3*k,X=3*N}else W=3*V,K=W+3,X=K+3;if(i[0]=z[W+0],i[1]=z[W+1],i[2]=z[W+2],s[0]=z[K+0],s[1]=z[K+1],s[2]=z[K+2],r[0]=z[X+0],r[1]=z[X+1],r[2]=z[X+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(qt.decompressPosition(i,e,i),qt.decompressPosition(s,e,s),qt.decompressPosition(r,e,r))}L.canvasPos?d.canvasPosToLocalRay(j.canvas,D.origin?J(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&d.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),d.normalizeVec3(t),d.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,d.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,d.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,d.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const Y=Q.normals;if(Y){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;qt.decompressNormal(Y.subarray(e,e+2),h),qt.decompressNormal(Y.subarray(t,t+2),c),qt.decompressNormal(Y.subarray(i,i+2),u)}else h[0]=Y[W],h[1]=Y[W+1],h[2]=Y[W+2],c[0]=Y[K],c[1]=Y[K+1],c[2]=Y[K+2],u[0]=Y[X],u[1]=Y[X+1],u[2]=Y[X+2];const e=d.addVec3(d.addVec3(d.mulVec3Scalar(h,A[0],b),d.mulVec3Scalar(c,A[1],y),x),d.mulVec3Scalar(u,A[2],B),w);L.worldNormal=d.normalizeVec3(d.transformVec3(D.worldNormalMatrix,e,P))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(qt.decompressUV(p,e,p),qt.decompressUV(f,e,f),qt.decompressUV(g,e,g))}L.uv=d.addVec3(d.addVec3(d.mulVec2Scalar(p,A[0],C),d.mulVec2Scalar(f,A[1],M),E),d.mulVec2Scalar(g,A[2],F),I)}}}}}();function Mr(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),o<1&&(o=1);const n=!!e.openEnded;let a=e.center;const l=a?a[0]:0,A=a?a[1]:0,h=a?a[2]:0,c=s/2,u=s/o,d=2*Math.PI/r,p=1/r,f=(t-i)/o,g=[],m=[],_=[],v=[];let b,x,B,w,P,C,M,E,F,I,D;const S=(90-180*Math.atan(s/(i-t))/Math.PI)/90;for(b=0;b<=o;b++)for(P=t-b*f,C=c-b*u,x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),m.push(P*B),m.push(S),m.push(P*w),_.push(x*p),_.push(1*b/o),g.push(P*B+l),g.push(C+A),g.push(P*w+h);for(b=0;b<o;b++)for(x=0;x<=r;x++)M=b*(r+1)+x,E=M+r,v.push(M),v.push(E),v.push(E+1),v.push(M),v.push(E+1),v.push(M+1);if(!n&&t>0){for(F=g.length/3,m.push(0),m.push(1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(c+A),g.push(0+h),x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),I=.5*Math.sin(x*d)+.5,D=.5*Math.cos(x*d)+.5,m.push(t*B),m.push(1),m.push(t*w),_.push(I),_.push(D),g.push(t*B+l),g.push(c+A),g.push(t*w+h);for(x=0;x<r;x++)a=F,M=F+1+x,v.push(M),v.push(M+1),v.push(a)}if(!n&&i>0){for(F=g.length/3,m.push(0),m.push(-1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(0-c+A),g.push(0+h),x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),I=.5*Math.sin(x*d)+.5,D=.5*Math.cos(x*d)+.5,m.push(i*B),m.push(-1),m.push(i*w),_.push(I),_.push(D),g.push(i*B+l),g.push(0-c+A),g.push(i*w+h);for(x=0;x<r;x++)a=F,M=F+1+x,v.push(a),v.push(M+1),v.push(M)}return y.apply(e,{positions:g,normals:m,uv:_,indices:v})}function Er(e={}){const t=e.lod||1,i=e.center?e.center[0]:0,s=e.center?e.center[1]:0,r=e.center?e.center[2]:0;let o=e.radius||1;o<0&&(console.error("negative radius not allowed - will invert"),o*=-1);let n=e.heightSegments||18;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n=Math.floor(t*n),n<18&&(n=18);let a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),a=Math.floor(t*a),a<18&&(a=18);const l=[],A=[],h=[],c=[];let u,d,p,f,g,m,_,v,b,x,B,w,P,C,M;for(u=0;u<=n;u++)for(p=u*Math.PI/n,f=Math.sin(p),g=Math.cos(p),d=0;d<=a;d++)m=2*d*Math.PI/a,_=Math.sin(m),v=Math.cos(m),b=v*f,x=g,B=_*f,w=1-d/a,P=u/n,A.push(b),A.push(x),A.push(B),h.push(w),h.push(P),l.push(i+o*b),l.push(s+o*x),l.push(r+o*B);for(u=0;u<n;u++)for(d=0;d<a;d++)C=u*(a+1)+d,M=C+a+1,c.push(C+1),c.push(M+1),c.push(M),c.push(C+1),c.push(M),c.push(C);return y.apply(e,{positions:l,normals:A,uv:h,indices:c})}const Fr={" 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[8,1],[7,0],[6,-2],[6,-4],[7,-6],[-1,-1],[6,8],[8,6],[8,4],[7,2],[6,1],[5,-1],[5,-3],[6,-5],[7,-6],[9,-7]]},"|":{width:8,points:[[4,25],[4,-7]]},"}":{width:14,points:[[5,25],[7,24],[8,23],[9,21],[9,19],[8,17],[7,16],[6,14],[6,12],[8,10],[-1,-1],[7,24],[8,22],[8,20],[7,18],[6,17],[5,15],[5,13],[6,11],[10,9],[6,7],[5,5],[5,3],[6,1],[7,0],[8,-2],[8,-4],[7,-6],[-1,-1],[8,8],[6,6],[6,4],[7,2],[8,1],[9,-1],[9,-3],[8,-5],[7,-6],[5,-7]]},"~":{width:24,points:[[3,6],[3,8],[4,11],[6,12],[8,12],[10,11],[14,8],[16,7],[18,7],[20,8],[21,10],[-1,-1],[3,8],[4,10],[6,11],[8,11],[10,10],[14,7],[16,6],[18,6],[20,7],[21,10],[21,12]]}};function Ir(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;y.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,_=(l||"").split("\n"),v=0,b=0,x=.04,B=0;B<_.length;B++){A=0,c=(h=_[B]).length;for(var w=0;w<c;w++)if(u=Fr[h.charAt(w)]){d=1,p=-1,f=-1,g=u.points.length;for(var P=0;P<g;P++)-1!==(m=u.points[P])[0]||-1!==m[1]?(n.push(A+m[0]*o*x+i),n.push(b+m[1]*o*x+s),n.push(0+r),-1===p?p=v:(-1===f||(p=f),f=v),v++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*x*o}b-=35*x*o}return y.apply(e,{primitive:"lines",positions:n,indices:a})}class Dr extends z{constructor(e,t){super("AxisGizmo",e,t=t||{});const i=e.scene.camera;t.canvasId||t.canvasElement||this.error("Config expected: either 'canvasId' or 'canvasElement'");try{this._axisGizmoScene=new bi(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0})}catch(e){return void this.error(e)}const s=this._axisGizmoScene;s.clearLights(),new jt(s,{color:[.45,.45,.5],intensity:.9}),new Ht(s,{dir:[-.5,.5,-.6],color:[.8,.8,.7],intensity:1,space:"view"}),new Ht(s,{dir:[.5,-.5,-.6],color:[.8,.8,.8],intensity:1,space:"view"});const r=s.camera;i.on("matrix",(function(){const e=i.eye,t=i.look,s=i.up,o=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(e,t,[])),22);r.look=[0,0,0],r.eye=o,r.up=s}));const o=new ti(s,Mr({radiusTop:.01,radiusBottom:.6,height:1.7,radialSegments:20,heightSegments:1,openEnded:!1})),n=new ti(s,Mr({radiusTop:.2,radiusBottom:.2,height:4.5,radialSegments:20,heightSegments:1,openEnded:!1})),a=new ni(s,{diffuse:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),l=new ni(s,{emissive:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),A=new ni(s,{diffuse:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),h=new ni(s,{emissive:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),c=new ni(s,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),u=new ni(s,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),p=new ni(s,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});this._meshes=[new Pr(s,{geometry:new ti(s,Er({radius:9,heightSegments:60,widthSegments:60})),material:new ni(s,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==t.visible}),new Pr(s,{geometry:new ti(s,Er({radius:1})),material:p,pickable:!1,collidable:!1,visible:!1!==t.visible}),new Pr(s,{geometry:o,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[5,0,0],rotation:[0,0,-90]}),new Pr(s,{geometry:n,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[2,0,0],rotation:[0,0,90]}),new Pr(s,{geometry:new ti(s,Ir({text:"X",size:1.5})),material:l,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[7,0,0],billboard:"spherical"}),new Pr(s,{geometry:o,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,5,0]}),new Pr(s,{geometry:n,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,2,0]}),new Pr(s,{geometry:new ti(s,Ir({text:"Y",size:1.5})),material:h,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,7,0],billboard:"spherical"}),new Pr(s,{geometry:o,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,5],rotation:[90,0,0]}),new Pr(s,{geometry:n,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,2],rotation:[90,0,0]}),new Pr(s,{geometry:new ti(s,Ir({text:"Z",size:1.5})),material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,7],billboard:"spherical"})]}setVisible(e){for(let t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}destroy(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,super.destroy()}}d.vec3();class Sr extends R{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new vt({active:!0,pos:d.vec3(),dir:d.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){d.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const Tr=d.vec4(4),Rr=d.vec4(),Lr=d.vec4(),Ur=d.vec3([1,0,0]),Or=d.vec3([0,1,0]),kr=d.vec3([0,0,1]),Nr=d.vec3(3),Qr=d.vec3(3),Vr=d.identityMat4();class Hr extends R{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._offset=d.vec3(),this._localMatrix=d.identityMat4(),this._worldMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=d.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;d.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&d.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+y.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+y.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||Vr),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Tr[0]=e[0],Tr[1]=e[1],Tr[2]=e[2],Tr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Tr,Rr),d.mulQuaternions(this.quaternion,Rr,Lr),this.quaternion=Lr,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Tr[0]=e[0],Tr[1]=e[1],Tr[2]=e[2],Tr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Tr,Rr),d.mulQuaternions(Rr,this.quaternion,Rr),this}rotateX(e){return this.rotate(Ur,e)}rotateY(e){return this.rotate(Or,e)}rotateZ(e){return this.rotate(kr,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,Nr),d.mulVec3Scalar(Nr,t,Qr),d.addVec3(this.position,Qr,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Ur,e)}translateY(e){return this.translate(Or,e)}translateZ(e){return this.translate(kr,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class jr extends si{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new vt({type:"LambertMaterial",ambient:d.vec3([1,1,1]),color:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const Gr={opaque:0,mask:1,blend:2},zr=["opaque","mask","blend"];class Wr extends si{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new vt({type:"MetallicMaterial",baseColor:d.vec4([1,1,1]),emissive:d.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=Gr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return zr[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const Kr={opaque:0,mask:1,blend:2},Xr=["opaque","mask","blend"];class Yr extends si{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new vt({type:"SpecularMaterial",diffuse:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),specular:d.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=Kr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Xr[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function Jr(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=ft(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=ft(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=ft(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=ft(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=ft(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=ft(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=ft(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const Zr=new Uint8Array([0,0,0,1]);class qr{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(Zr[0]=Math.floor(255*e[0]),Zr[1]=Math.floor(255*e[1]),Zr[2]=Math.floor(255*e[2]),Zr[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(Zr[0]=0,Zr[1]=0,Zr[2]=0,Zr[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Zr)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Zr);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=Jr(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=Jr(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=Jr(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=Jr(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=Jr(i,this.format,this.encoding),d=Jr(i,this.type),p=$r(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(y.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=Jr(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=Jr(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=Jr(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,eo(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,eo(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Jr(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Jr(i,this.magFilter)));const a=Jr(i,this.format,this.encoding),l=Jr(i,this.type),A=$r(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=Jr(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=Jr(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=Jr(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=Jr(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function $r(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||ft(e,"EXT_color_buffer_float"),n}function eo(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function to(e){if(!io(e.width)||!io(e.height)){const t=document.createElement("canvas");t.width=so(e.width),t.height=so(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function io(e){return 0==(e&e-1)}function so(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class ro extends R{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new vt({texture:new qr({gl:this.scene.canvas.gl}),matrix:d.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=d.vec2([0,0]),this._scale=d.vec2([1,1]),this._rotate=d.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),m.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new qr({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=d.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=d.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?d.mulMat4(t,i):i),0!==this._rotate&&(i=d.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?d.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=to(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=to(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),m.memory.textures--}}class oo extends R{get type(){return"Fresnel"}constructor(e,t={}){super(e,t),this._state=new vt({edgeColor:d.vec3([0,0,0]),centerColor:d.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),this.edgeColor=t.edgeColor,this.centerColor=t.centerColor,this.edgeBias=t.edgeBias,this.centerBias=t.centerBias,this.power=t.power}set edgeColor(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set centerColor(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}get centerColor(){return this._state.centerColor}set edgeBias(e){this._state.edgeBias=e||0,this.glRedraw()}get edgeBias(){return this._state.edgeBias}set centerBias(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}get centerBias(){return this._state.centerBias}set power(e){this._state.power=null!=e?e:1,this.glRedraw()}get power(){return this._state.power}destroy(){super.destroy(),this._state.destroy()}}const no=m.memory,ao=d.AABB3();class lo extends Gt{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new vt({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=d.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=qt.getPositionsBounds(t.positions),o=qt.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new $e(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),no.positions+=i.positionsBuf.numItems,d.positions3ToAABB3(t.positions,this._aabb),d.positions3ToAABB3(r,ao,i.positionsDecodeMatrix),d.AABB3ToOBB3(ao,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new $e(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),no.colors+=i.colorsBuf.numItems}if(t.uv){const e=qt.getUVBounds(t.uv),r=qt.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new $e(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),no.uvs+=i.uvBuf.numItems}if(t.normals){const e=qt.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new $e(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),no.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new $e(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),no.indices+=i.indicesBuf.numItems;const o=zt(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new $e(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),no.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),no.meshes--}}var Ao={};function ho(e,t={}){return new Promise((function(i,s){t.src||(console.error("load3DSGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),r.processes--,s());var o=Ao.parse.from3DS(e).edit.objects[0].mesh,n=o.vertices,a=o.uvt,l=o.indices;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),r.processes--,s()}))}))}function co(e,t={}){return new Promise((function(i,s){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),r.processes--,s());for(var o=Ao.parse.fromOBJ(e),n=Ao.edit.unwrap(o.i_verts,o.c_verts,3),a=Ao.edit.unwrap(o.i_norms,o.c_norms,3),l=Ao.edit.unwrap(o.i_uvt,o.c_uvt,2),A=new Int32Array(o.i_verts.length),h=0;h<o.i_verts.length;h++)A[h]=h;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:A}))}),(function(e){console.error("loadOBJGeometry: "+e),r.processes--,s()}))}))}function uo(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function po(e={}){return uo({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function fo(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return y.apply(e,{primitive:"lines",positions:o,indices:n})}function go(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),_=new Float32Array(d*p*3),v=new Float32Array(d*p*2);let b,x,B,w,P,C,M,E=0,F=0;for(b=0;b<p;b++){const e=b*g-h;for(x=0;x<d;x++)B=x*f-A,m[E]=B+n,m[E+1]=a,m[E+2]=-e+l,_[E+2]=-1,v[F]=x/c,v[F+1]=(u-b)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(b=0;b<u;b++)for(x=0;x<c;x++)w=x+d*b,P=x+d*(b+1),C=x+1+d*(b+1),M=x+1+d*b,I[E]=M,I[E+1]=P,I[E+2]=w,I[E+3]=M,I[E+4]=C,I[E+5]=P,E+=6;return y.apply(e,{positions:m,normals:_,uv:v,indices:I})}function mo(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],c=[],u=[],p=[];let f,g,m,_,v,b,x,B,w,P,C,M;for(B=0;B<=r;B++)for(x=0;x<=s;x++)f=x/s*o,g=.785398+B/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),_=(t+i*Math.cos(g))*Math.sin(f),v=i*Math.sin(g),h.push(m+a),h.push(_+l),h.push(v+A),u.push(1-x/s),u.push(B/r),b=d.normalizeVec3(d.subVec3([m,_,v],[a,l,A],[]),[]),c.push(b[0]),c.push(b[1]),c.push(b[2]);for(B=1;B<=r;B++)for(x=1;x<=s;x++)w=(s+1)*B+x-1,P=(s+1)*(B-1)+x-1,C=(s+1)*(B-1)+x,M=(s+1)*B+x,p.push(w),p.push(P),p.push(C),p.push(C),p.push(M),p.push(w);return y.apply(e,{positions:h,normals:c,uv:u,indices:p})}function _o(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return y.apply(e,{primitive:"lines",positions:e.points,indices:i})}function vo(e={}){let t=e.curve.getPoints(e.divisions).map((e=>[...e])).flat();return _o({id:e.id,points:t})}function bo(e={}){if(3!==e.startPoint.length)throw"Start point should contain 3 elements in array: x, y and z";if(3!==e.endPoint.length)throw"End point should contain 3 elements in array: x, y and z";let t=[],i=[],s=e.startPoint[0],r=e.startPoint[1],o=e.startPoint[2],n=e.endPoint[0],a=e.endPoint[1],l=e.endPoint[2],A=Math.sqrt((n-s)**2+(a-r)**2+(l-o)**2),h=[(n-s)/A,(a-r)/A,(l-o)/A];if(e.pattern){let c=e.pattern.length,u=!1,d=0,p=0,f=0,g=[s,r,o],m=e.pattern[p];for(i.push(g[0],g[1],g[2]);m<=A-d;){let s=[h[0]*m,h[1]*m,h[2]*m],r=[g[0]+s[0],g[1]+s[1],g[2]+s[2]];i.push(r[0],r[1],r[2]),u||(t.push(f),t.push(f+1)),u=!u,f+=1,g=r,p+=1,p>=c&&(p=0),d+=m,m=e.pattern[p]}e.extendToEnd&&(i.push(n,a,l),t.push(t.length-2),t.push(t.length-1))}else t.push(0),t.push(1),i.push(s,r,o,n,a,l);return y.apply(e,{primitive:"lines",positions:i,indices:t})}Ao.load=function(e,t){var i=new 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i.id=Ao.bin.ril(e,0),i.verS=Ao.bin.ril(e,4),i.texS=Ao.bin.ril(e,8),i.indS=Ao.bin.ril(e,12),i.verO=Ao.bin.ril(e,16),i.verL=Ao.bin.ril(e,20),i.texO=Ao.bin.ril(e,24),i.texL=Ao.bin.ril(e,28),i.indO=Ao.bin.ril(e,32),i.indL=Ao.bin.ril(e,36),0!=i.verO&&(t.vertices=Ao.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=Ao.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=Ao.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},Ao.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var s=32;t<=65535&&(s=16);var r=40;e.vertices&&(r+=4*e.vertices.length),e.uvt&&(r+=4*e.uvt.length),e.indices&&(r+=e.indices.length*s/8);var o=new Uint8Array(r);Ao.bin.wil(o,0,1769365870),Ao.bin.wil(o,4,32),Ao.bin.wil(o,8,32),Ao.bin.wil(o,12,s);var n=40;return e.vertices&&(Ao.bin.wil(o,16,n),Ao.bin.wil(o,20,4*e.vertices.length),Ao.parse.fromBIV._writeFloats(o,n,e.vertices),n+=4*e.vertices.length),e.uvt&&(Ao.bin.wil(o,24,n),Ao.bin.wil(o,28,4*e.uvt.length),Ao.parse.fromBIV._writeFloats(o,n,e.uvt),n+=4*e.uvt.length),e.indices&&(Ao.bin.wil(o,32,n),Ao.bin.wil(o,36,4*e.indices.length),Ao.parse.fromBIV._writeInts(o,n,e.indices,s)),o.buffer},Ao.parse.fromBIV._readFloats=function(e,t,i){for(var s=[],r=0;r<i/4;r++)s.push(Ao.bin.rf(e,t+4*r));return s},Ao.parse.fromBIV._writeFloats=function(e,t,i){for(var s=0;s<i.length;s++)Ao.bin.wf(e,t+4*s,i[s])},Ao.parse.fromBIV._readInts=function(e,t,i,s){for(var r=[],o=0;o<i/4;o++)16==s&&r.push(Ao.bin.rsl(e,t+2*o)),32==s&&r.push(Ao.bin.ril(e,t+4*o));return r},Ao.parse.fromBIV._writeInts=function(e,t,i,s){for(var r=0;r<i.length;r++)16==s&&Ao.bin.wsl(e,t+2*r,i[r]),32==s&&Ao.bin.wil(e,t+4*r,i[r])},Ao.gen={},Ao.gen.Plane=function(e,t,i,s){i||(i=1),s||(s=1);for(var r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},Ao.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},Ao.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},Ao.mat={},Ao.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},Ao.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},Ao.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return Ao.mat.rotate(e*s,t*s,i*s)},Ao.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},Ao.edit={},Ao.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},Ao.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},Ao.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},Ao.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},Ao.utils={},Ao.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class yo extends R{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=d.vec3(t.pos||[0,0,0]),this._up=d.vec3(t.up||[0,1,0]),this._normal=d.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=d.vec3(),this._rtcPos=d.vec3(),this._imageSize=d.vec2(),this._texture=new ro(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new Hr(this,{matrix:d.inverseMat4(d.lookAtMat4v(this._pos,d.subVec3(this._pos,this._normal,d.mat4()),this._up,d.mat4())),children:[this._bitmapMesh=new Pr(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new ti(this,go({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new ni(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const xo=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},Bo=d.vec3(),wo=d.vec3(),Po=d.vec3();class Co{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!xo(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Bo[0]=e[r],Bo[1]=e[r+1],Bo[2]=e[r+2],wo[0]=e[o],wo[1]=e[o+1],wo[2]=e[o+2],Po[0]=e[n],Po[1]=e[n+1],Po[2]=e[n+2],d.cross3Vec3(Bo,wo,Bo),i+=d.dotVec3(Bo,Po)}return i/6}}const Mo=new Co,Eo=d.vec3(),Fo=d.vec3(),Io=d.vec3(),Do=d.vec3(),So=d.vec3(),To=d.vec3();class Ro{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Eo[0]=e[r],Eo[1]=e[r+1],Eo[2]=e[r+2],Fo[0]=e[o],Fo[1]=e[o+1],Fo[2]=e[o+2],Io[0]=e[n],Io[1]=e[n+1],Io[2]=e[n+2],d.subVec3(Eo,Fo,Do),d.subVec3(Io,Fo,So),i+=.5*d.lenVec3(d.cross3Vec3(Do,So,To))}return i}}const Lo=new Ro,Uo=d.OBB3(),Oo=d.OBB3(),ko=d.OBB3();class No{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=d.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Mo.reset(),Mo.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{Mo.addVertex(e)})),this.getEachIndex((e=>{Mo.addIndex(e)})),this._volume=Mo.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Lo.reset(),this.getEachVertex((e=>{Lo.addVertex(e)})),this.getEachIndex((e=>{Lo.addIndex(e)})),this._surfaceArea=Lo.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);const t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}get aabb(){return this._aabbWorldDirty&&(d.AABB3ToOBB3(this._aabbLocal,Uo),this.transform?(d.transformOBB3(this.transform.worldMatrix,Uo,Oo),d.transformOBB3(this.model.worldMatrix,Oo,ko),d.OBB3ToAABB3(ko,this._aabbWorld)):(d.transformOBB3(this.model.worldMatrix,Uo,Oo),d.OBB3ToAABB3(Oo,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const Qo=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let Vo=0;const Ho={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},jo=new Float32Array([1,1,1,1]),Go=new Float32Array([0,0,0,1]),zo=d.vec4(),Wo=d.vec3(),Ko=d.vec3(),Xo=d.mat4();class Yo{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const r=this._uSectionPlanes[t];if(r)if(t<n){const o=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(r.active,o?1:0),o){const o=a[t],n=e._state.origin;if(n){const e=ee(o.dist,o.dir,n,Wo,s.matrix);i.uniform3fv(r.pos,e)}else i.uniform3fv(r.pos,o.pos);i.uniform3fv(r.dir,o.dir)}}else i.uniform1i(r.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=je.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:c,positionsDecodeMatrix:u}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,worldNormalMatrix:x}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let B=0;const w=16;this._matricesUniformBlockBufferData.set(y,0);const P=0!==c[0]||0!==c[1]||0!==c[2],C=0!==b[0]||0!==b[1]||0!==b[2];if(P||C){const e=Wo;if(P){const t=d.transformPoint3(y,c,Ko);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(J(v,e,Xo),B+=w)}else this._matricesUniformBlockBufferData.set(v,B+=w);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,B+=w),this._matricesUniformBlockBufferData.set(u,B+=w),this._matricesUniformBlockBufferData.set(x,B+=w),this._matricesUniformBlockBufferData.set(m,B+=w),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;zo[0]=i,zo[1]=s,zo[2]=t.blendCutoff,zo[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,zo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===Ho[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Ho[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Ho[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?Go:jo)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,m.memory.programs--}}class Jo extends Yo{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class Zo extends Jo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class qo extends Jo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class $o extends Jo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class en extends Jo{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class tn extends en{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class sn extends en{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class rn extends Jo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class on extends Jo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class nn extends Jo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class an extends Jo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class ln extends Jo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class An extends Jo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class hn extends Jo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class cn extends Jo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class un extends Jo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class dn extends Jo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const pn=d.vec3(),fn=d.vec3(),gn=d.vec3(),mn=d.vec3(),_n=d.mat4();class vn extends Yo{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=pn;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=fn;if(l){const e=gn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,_n),g=mn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const bn=d.vec3(),yn=d.vec3(),xn=d.vec3(),Bn=d.vec3(),wn=d.mat4();class Pn extends Yo{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=bn;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=yn;if(l){const e=xn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,wn),g=Bn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Cn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new $o(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new rn(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new on(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new vn(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Pn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Zo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Zo(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new qo(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new qo(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new dn(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new dn(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new dn(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new dn(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new cn(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new cn(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new $o(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new ln(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new An(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new tn(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new sn(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new rn(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new nn(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new un(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new on(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new an(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new hn(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Pn(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new vn(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Mn={};let En=65536,Fn=5e6;class In{constructor(){}set doublePrecisionEnabled(e){d.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return d.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),En=e}get maxDataTextureHeight(){return En}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Fn=e}get maxGeometryBatchSize(){return Fn}}const Dn=new In;class Sn{constructor(e=Dn.maxGeometryBatchSize){this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const Tn=d.mat4(),Rn=d.mat4();function Ln(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,c=65525,u=c/l,p=c/A,f=c/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*u),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return d.identityMat4(Tn),d.translationMat4v(t,Tn),d.identityMat4(Rn),d.scalingMat4v([l/c,A/c,h/c],Rn),d.mulMat4(Tn,Rn,i),r}function Un(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return d.identityMat4(Tn),d.translationMat4v(e,Tn),d.identityMat4(Rn),d.scalingMat4v([o/l,n/l,a/l],Rn),d.mulMat4(Tn,Rn,t),t}function On(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function kn(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const Nn=d.mat4(),Qn=d.mat4(),Vn=d.vec4([0,0,0,1]),Hn=d.vec3(),jn=d.vec3(),Gn=d.vec3(),zn=d.vec3(),Wn=d.vec3(),Kn=d.vec3(),Xn=d.vec3();class Yn{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Mn[t];return i||(i=new Cn(e),Mn[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Mn[t],i._destroy()}))),i}(e.model.scene),this._buffer=new Sn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new vt({origin:d.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=d.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=d.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,c=t.edgeIndices,u=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let x;if(d.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";x=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";x=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=Nn;m?d.inverseMat4(d.transposeMat4(m,Qn),e):d.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,c,u=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)u[0]=t[c],u[1]=t[c+1],u[2]=t[c+2],d.transformVec3(e,u,p),d.normalizeVec3(p,p),l=n=On(p,"floor","floor"),a=kn(n),A=h=o(p,a),n=On(p,"ceil","floor"),a=kn(n),A=o(p,a),A>h&&(l=n,h=A),n=On(p,"floor","ceil"),a=kn(n),A=o(p,a),A>h&&(l=n,h=A),n=On(p,"ceil","ceil"),a=kn(n),A=o(p,a),A>h&&(l=n,h=A),s[r+c+0]=l[0],s[r+c+1]=l[1],s[r+c+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(u){const e=u[0],t=u[1],i=u[2],s=g;for(let r=0;r<x;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const B=null!=p?p:0,w=null!=f?f:255;for(let e=0;e<x;e++)b.metallicRoughness.push(B),b.metallicRoughness.push(w);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(c)for(let e=0,t=c.length;e<t;e++)b.edgeIndices.push(y+c[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*x;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<x;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const P=this._portions.length,C={vertsBaseIndex:y,numVerts:x,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),P}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Ln(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=d.mat4());if(e.positionsBuf=new $e(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new $e(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new $e(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new $e(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=qt.getUVBounds(i.uv),r=qt.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=d.mat3(r.decodeMatrix),e.uvBuf=new $e(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new $e(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new $e(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new $e(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new $e(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&te),A=!!(t&ne),h=!!(t&ae),c=!!(t&le),u=!!(t&Ae),d=!!(t&se),p=!!(t&ie);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,g=!l||p?Ho.NOT_RENDERED:c?Ho.SILHOUETTE_SELECTED:h?Ho.SILHOUETTE_HIGHLIGHTED:A?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let m=0;m=!l||p?Ho.NOT_RENDERED:c?Ho.EDGES_SELECTED:h?Ho.EDGES_HIGHLIGHTED:A?Ho.EDGES_XRAYED:u?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let _=l&&!p&&d?Ho.PICK:Ho.NOT_RENDERED;const v=t&re?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=this.model.matrix,n=d.vec4();n.set(i.origin,0),n[3]=1,d.mulMat4v4(o,n,n);const a=n[0],l=n[1],A=n[2],h=Vn,c=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)h[0]=r[e],h[1]=r[e+1],h[2]=r[e+2],h[3]=1,d.decompressPosition(h,c),h[3]=1,d.mulMat4v4(o,h,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ho.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Ho.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,c=Hn,u=jn;c.set(A?d.subVec3(t,A,Gn):t),u.set(i),h&&d.subVec3(c,h),d.transformRay(this.model.worldNormalMatrix,c,u,c,u);const p=zn,f=Wn,g=Kn;let m=!1,_=0;const v=Xn;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],d.decompressPosition(p,o.positionsDecodeMatrix),d.decompressPosition(f,o.positionsDecodeMatrix),d.decompressPosition(g,o.positionsDecodeMatrix),d.rayTriangleIntersect(c,u,p,f,g,v)){d.transformPoint3(this.model.worldMatrix,v,v),h&&d.addVec3(v,h),A&&d.addVec3(v,A);const e=Math.abs(d.lenVec3(d.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&d.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class Jn extends Yo{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class Zn extends Jn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class qn extends Jn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class $n extends Jn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class ea extends Jn{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class ta extends ea{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ia extends ea{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class sa extends Jn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class ra extends Jn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class oa extends Jn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class na extends Jn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class aa extends Jn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class la extends Jn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Aa extends Jn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const ha={3e3:"linearToLinear",3001:"sRGBToLinear"};class ca extends Jn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+ha[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+ha[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class ua extends Jn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class da extends Jn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const pa=d.vec3(),fa=d.vec3(),ga=d.vec3(),ma=d.vec3(),_a=d.mat4();class va extends Yo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=pa;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=fa;if(l){const e=d.transformPoint3(h,l,ga);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,_a),g=ma,g[0]=n.eye[0]-t[0],g[1]=n.eye[1]-t[1],g[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,g),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ba=d.vec3(),ya=d.vec3(),xa=d.vec3(),Ba=d.vec3(),wa=d.mat4();class Pa extends Yo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ba;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ya;if(l){const e=d.transformPoint3(h,l,xa);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,wa),g=Ba,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ca{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new $n(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new sa(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new ra(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new va(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Pa(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Zn(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Zn(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new qn(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new qn(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new da(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new da(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new da(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new da(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new ca(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new ca(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new $n(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new aa(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new la(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new ta(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new ia(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new sa(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new oa(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new ua(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ra(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new na(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Aa(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Pa(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new va(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Ma={};const Ea=new Uint8Array(4),Fa=new Float32Array(1),Ia=d.vec4([0,0,0,1]),Da=new Float32Array(3),Sa=d.vec3(),Ta=d.vec3(),Ra=d.vec3(),La=d.vec3(),Ua=d.vec3(),Oa=d.vec3(),ka=d.vec3(),Na=new Float32Array(4);class Qa{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Ma[t];return i||(i=new Ca(e),Ma[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Ma[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new vt({numInstances:0,obb:d.OBB3(),origin:d.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=d.transposeMat4(n,d.mat4()),t=d.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const c=this._portions.length,u={};return this.model.scene.readableGeometryEnabled&&(u.matrix=n.slice(),u.inverseMatrix=null,u.normalMatrix=null),this._portions.push(u),this._numPortions++,this.model.numPortions++,this._meshes.push(e),c}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new $e(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new $e(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new $e(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new $e(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=d.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new $e(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new $e(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new $e(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),"triangles"!==t.primitive&&"solid"!==t.primitive&&"surface"!==t.primitive||(e.edgeIndicesBuf=new $e(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new $e(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Ea[0]=t[0],Ea[1]=t[1],Ea[2]=t[2],Ea[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Ea,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&te),r=!!(t&ne),o=!!(t&ae),n=!!(t&le),a=!!(t&Ae),l=!!(t&se),A=!!(t&ie);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,c=!s||A?Ho.NOT_RENDERED:n?Ho.SILHOUETTE_SELECTED:o?Ho.SILHOUETTE_HIGHLIGHTED:r?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let u=0;u=!s||A?Ho.NOT_RENDERED:n?Ho.EDGES_SELECTED:o?Ho.EDGES_HIGHLIGHTED:r?Ho.EDGES_XRAYED:a?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Ho.PICK:Ho.NOT_RENDERED)<<12,d|=(t&re?1:0)<<16,Fa[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Fa,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Da[0]=t[0],Da[1]=t[1],Da[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Da,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=this.model.matrix,a=d.vec4();a.set(i.origin,0),a[3]=1,d.mulMat4v4(n,a,a);const l=a[0],A=a[1],h=a[2],c=Ia,u=r.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)c[0]=o[e],c[1]=o[e+1],c[2]=o[e+2],d.decompressPosition(c,p),d.transformPoint3(u,c,c),c[3]=1,d.mulMat4v4(n,c,c),c[0]+=l,c[1]+=A,c[2]+=h,t(c)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Na[0]=t[0],Na[1]=t[4],Na[2]=t[8],Na[3]=t[12],this._state.modelMatrixCol0Buf.setData(Na,i),Na[0]=t[1],Na[1]=t[5],Na[2]=t[9],Na[3]=t[13],this._state.modelMatrixCol1Buf.setData(Na,i),Na[0]=t[2],Na[1]=t[6],Na[2]=t[10],Na[3]=t[14],this._state.modelMatrixCol2Buf.setData(Na,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Ho.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=d.inverseMat4(a.matrix,d.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=d.transposeMat4(a.inverseMatrix,d.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,c=a.offset,u=Sa,p=Ta;u.set(h?d.subVec3(t,h,Ra):t),p.set(i),c&&d.subVec3(u,c),d.transformRay(this.model.worldNormalMatrix,u,p,u,p),d.transformRay(a.inverseMatrix,u,p,u,p);const f=La,g=Ua,m=Oa;let _=!1,v=0;const b=ka;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:x}=n.geometry;if(d.decompressPosition(f,x),d.decompressPosition(g,x),d.decompressPosition(m,x),d.rayTriangleIntersect(u,p,f,g,m,b)){d.transformPoint3(a.matrix,b,b),d.transformPoint3(this.model.worldMatrix,b,b),c&&d.addVec3(b,c),h&&d.addVec3(b,h);const e=Math.abs(d.lenVec3(d.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&d.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(d.transformVec3(a.normalMatrix,r,r),d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class Va extends Yo{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class Ha extends Va{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ja extends Va{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Ga=d.vec3(),za=d.vec3(),Wa=d.vec3(),Ka=d.vec3(),Xa=d.mat4();class Ya extends Yo{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ga;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=za;if(l){const e=Wa;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,Xa),g=Ka,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ja=d.vec3(),Za=d.vec3(),qa=d.vec3(),$a=d.vec3(),el=d.mat4();class tl extends Yo{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ja;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Za;if(l){const e=qa;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,el),g=$a,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class il{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Ha(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ja(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ya(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new tl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const sl={};class rl{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class ol{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=sl[t];return i||(i=new il(e),sl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete sl[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new rl(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new vt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(d.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new $e(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=Ln(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new $e(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new $e(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new $e(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new $e(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&te),l=!!(t&ne),A=!!(t&ae),h=!!(t&le),c=!!(t&se),u=!!(t&ie);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,p=!a||u?Ho.NOT_RENDERED:h?Ho.SILHOUETTE_SELECTED:A?Ho.SILHOUETTE_HIGHLIGHTED:l?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let f=a&&!u&&c?Ho.PICK:Ho.NOT_RENDERED;const g=t&re?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class nl extends Yo{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class al extends nl{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class ll extends nl{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Al=d.vec3(),hl=d.vec3(),cl=d.vec3();d.vec3();const ul=d.mat4();class dl extends Yo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Al;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=hl;if(l){const e=d.transformPoint3(h,l,cl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,ul),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const pl=d.vec3(),fl=d.vec3(),gl=d.vec3();d.vec3();const ml=d.mat4();class _l extends Yo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=pl;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=fl;if(l){const e=d.transformPoint3(h,l,gl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,ml),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class vl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new dl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new _l(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new al(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ll(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new dl(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new _l(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const bl={};const yl=new Uint8Array(4),xl=new Float32Array(1),Bl=new Float32Array(3),wl=new Float32Array(4);class Pl{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=bl[t];return i||(i=new vl(e),bl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete bl[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new vt({obb:d.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=d.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new $e(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new $e(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new $e(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=d.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new $e(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";yl[0]=t[0],yl[1]=t[1],yl[2]=t[2],yl[3]=t[3],this._state.colorsBuf.setData(yl,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&te),r=!!(t&ne),o=!!(t&ae),n=!!(t&le),a=!!(t&Ae),l=!!(t&se),A=!!(t&ie);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,c=!s||A?Ho.NOT_RENDERED:n?Ho.SILHOUETTE_SELECTED:o?Ho.SILHOUETTE_HIGHLIGHTED:r?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let u=0;u=!s||A?Ho.NOT_RENDERED:n?Ho.EDGES_SELECTED:o?Ho.EDGES_HIGHLIGHTED:r?Ho.EDGES_XRAYED:a?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Ho.PICK:Ho.NOT_RENDERED)<<12,d|=(t&re?255:0)<<16,xl[0]=d,this._state.flagsBuf.setData(xl,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Bl[0]=t[0],Bl[1]=t[1],Bl[2]=t[2],this._state.offsetsBuf.setData(Bl,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;wl[0]=t[0],wl[1]=t[4],wl[2]=t[8],wl[3]=t[12],this._state.modelMatrixCol0Buf.setData(wl,i),wl[0]=t[1],wl[1]=t[5],wl[2]=t[9],wl[3]=t[13],this._state.modelMatrixCol1Buf.setData(wl,i),wl[0]=t[2],wl[1]=t[6],wl[2]=t[10],wl[3]=t[14],this._state.modelMatrixCol2Buf.setData(wl,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class Cl extends Yo{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class Ml extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class El extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class Fl extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Il extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Dl extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const Sl=d.vec3(),Tl=d.vec3(),Rl=d.vec3(),Ll=d.vec3(),Ul=d.mat4();class Ol extends Yo{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Sl;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Tl;if(l){const e=Rl;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,Ul),g=Ll,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform1f(this._uPointSize,1);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const kl=d.vec3(),Nl=d.vec3(),Ql=d.vec3(),Vl=d.vec3(),Hl=d.mat4();class jl extends Yo{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=kl;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Nl;if(l){const e=Ql;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,Hl),g=Vl,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Gl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Ml(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new El(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Fl(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Il(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Dl(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ol(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new jl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const zl={};class Wl{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=zl[t];return i||(i=new Gl(e),zl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete zl[t],i._destroy()}))),i}(e.model.scene);const t=e.maxGeometryBatchSize||5e6,i=function(){const e=[];return{append:function(t,i=1,s=1){e.push({data:t,times:i,denormalizeScale:s})},compileBuffer:function(t){let i=0;e.forEach((e=>{i+=e.times*e.data.length}));const s=new t(i);let r=0;return e.forEach((e=>{const t=e.data,i=e.denormalizeScale,o=s.subarray(r);if(1===i)o.set(t,0);else for(let e=0;e<t.length;++e)o[e]=t[e]*i;let n=t.length;const a=e.times*t.length;for(;n<a;){const e=Math.min(n,a-n);o.set(o.subarray(0,e),n),n+=e}r+=n})),s}}};this._buffer={maxVerts:t,positions:i(),colors:i(),pickColors:i(),vertsIndex:0},this._scratchMemory=e.scratchMemory,this._state=new vt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin))}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=this._buffer,s=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!s)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(s);const r=s.length/3,o=t.color,n=t.colorsCompressed,a=t.colors,l=t.pickColor;n?i.colors.append(n):a?i.colors.append(a,1,255):o&&i.colors.append([o[0],o[1],o[2],1],r),i.pickColors.append(l.slice(0,4),r),d.expandAABB3(this._modelAABB,t.aabb);const A=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(r),this._buffer.vertsIndex+=r,this._numPortions++,this.model.numPortions++,this._meshes.push(e),A}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,s=(e,i,s)=>e.length>0?new $e(t,t.ARRAY_BUFFER,e,e.length,i,s):null,r=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):Ln(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=s(r,3,t.STATIC_DRAW),e.flagsBuf=s(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=s(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=s(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?s(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&te),l=!!(t&ne),A=!!(t&ae),h=!!(t&le),c=!!(t&se),u=!!(t&ie);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,p=!a||u?Ho.NOT_RENDERED:h?Ho.SILHOUETTE_SELECTED:A?Ho.SILHOUETTE_HIGHLIGHTED:l?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let f=a&&!u&&c?Ho.PICK:Ho.NOT_RENDERED;const g=t&re?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class Kl extends Yo{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class Xl extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Yl extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Jl extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class Zl extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class ql extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class $l extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class eA extends Kl{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const tA=d.vec3(),iA=d.vec3(),sA=d.vec3();d.vec3();const rA=d.mat4();class oA extends Yo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=tA;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=iA;if(l){const e=d.transformPoint3(h,l,sA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,rA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const nA=d.vec3(),aA=d.vec3(),lA=d.vec3();d.vec3();const AA=d.mat4();class hA extends Yo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=nA;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=aA;if(l){const e=d.transformPoint3(h,l,lA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(u,t,AA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class cA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Xl(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Yl(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new $l(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Jl(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Zl(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ql(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new eA(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new oA(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new hA(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const uA={};const dA=new Uint8Array(4),pA=new Float32Array(1),fA=new Float32Array(3),gA=new Float32Array(4);class mA{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=uA[t];return i||(i=new cA(e),uA[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete uA[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new vt({obb:d.OBB3(),numInstances:0,origin:e.origin?d.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new $e(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=d.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new $e(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new $e(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";dA[0]=t[0],dA[1]=t[1],dA[2]=t[2],this._state.colorsBuf.setData(dA,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&te),r=!!(t&ne),o=!!(t&ae),n=!!(t&le),a=!!(t&Ae),l=!!(t&se),A=!!(t&ie);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,c=!s||A?Ho.NOT_RENDERED:n?Ho.SILHOUETTE_SELECTED:o?Ho.SILHOUETTE_HIGHLIGHTED:r?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let u=0;u=!s||A?Ho.NOT_RENDERED:n?Ho.EDGES_SELECTED:o?Ho.EDGES_HIGHLIGHTED:r?Ho.EDGES_XRAYED:a?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Ho.PICK:Ho.NOT_RENDERED)<<12,d|=(t&re?255:0)<<16,pA[0]=d,this._state.flagsBuf.setData(pA,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(fA[0]=t[0],fA[1]=t[1],fA[2]=t[2],this._state.offsetsBuf.setData(fA,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;gA[0]=t[0],gA[1]=t[4],gA[2]=t[8],gA[3]=t[12],this._state.modelMatrixCol0Buf.setData(gA,i),gA[0]=t[1],gA[1]=t[5],gA[2]=t[9],gA[3]=t[13],this._state.modelMatrixCol1Buf.setData(gA,i),gA[0]=t[2],gA[1]=t[6],gA[2]=t[10],gA[3]=t[14],this._state.modelMatrixCol2Buf.setData(gA,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const _A=d.vec3(),vA=d.vec3(),bA=d.mat4();class yA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o,u=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=_A;if(f){const t=d.transformPoint3(c,A,vA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(u,e,bA)}else p=u;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,_A,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class xA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new yA(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const BA={};class wA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class PA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class CA{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const MA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(MA,null,4));let e=0;Object.keys(MA).forEach((t=>{t.startsWith("size")&&(e+=MA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/MA.totalLines).toFixed(2)}`);let t={};Object.keys(MA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(MA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class EA{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);MA.sizeDataColorsAndFlags+=l.byteLength,MA.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);MA.sizeDataTextureOffsets+=r.byteLength,MA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);MA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);MA.sizeDataPositionDecodeMatrices+=o.byteLength,MA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);MA.sizeDataTextureIndices+=o.byteLength,MA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);MA.sizeDataTextureIndices+=o.byteLength,MA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);MA.sizeDataTextureIndices+=o.byteLength,MA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);MA.sizeDataTexturePositions+=n.byteLength,MA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),MA.sizeDataTexturePortionIds+=o.byteLength,MA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}}const FA=new In,IA=FA.maxDataTextureHeight,DA=new Float32Array(16),SA=new Uint8Array(4),TA=new Float32Array(3);let RA=0;const LA=d.identityMat4();class UA{constructor(e,t){MA.numberOfLayers++,this._layerNumber=RA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=BA[t];return i||(i=new xA(e),BA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete BA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new wA,this._dataTextureState=new PA,this._dataTextureGenerator=new EA,this._state=new vt({origin:d.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&MA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*IA||t+r>4096*IA)&&MA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*IA&&t+r<=4096*IA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;MA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,MA.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||LA),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,MA.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,MA.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,MA.totalLines32Bits+=t.numLines),MA.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,MA.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;SA[0]=t[0],SA[1]=t[1],SA[2]=t[2],SA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(SA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,SA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&te),o=!!(t&ne),n=!!(t&ie);let a,l;a=!r||n||o?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,l=!r||n?Ho.NOT_RENDERED:!!(t&le)?Ho.SILHOUETTE_SELECTED:!!(t&ae)?Ho.SILHOUETTE_HIGHLIGHTED:o?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let A=r&&!n&&!!(t&se)?Ho.PICK:Ho.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;SA[0]=a,SA[1]=l,SA[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(SA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,SA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&re?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;SA[0]=s,SA[1]=0,SA[2]=1,SA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(SA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,SA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;TA[0]=t[0],TA[1]=t[1],TA[2]=t[2],i.texturePerObjectOffsets._textureData.set(TA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,TA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;DA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(DA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,DA))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const OA=d.vec3(),kA=d.vec3(),NA=d.vec3();d.vec3();const QA=d.vec4(),VA=d.mat4();class HA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=OA;if(f){const t=d.transformPoint3(c,A,kA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],u=J(r.viewMatrix,e,VA),p=NA,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else u=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,OA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new qe(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;QA[0]=t,QA[1]=r,QA[2]=s.blendCutoff,QA[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,QA),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const jA=new Float32Array([1,1,1]),GA=d.vec3(),zA=d.vec3(),WA=d.vec3();d.vec3();const KA=d.mat4();class XA{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o,u=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=GA;if(A){const t=zA;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(u,e,KA),f=WA,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=u,f=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===Ho.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Ho.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Ho.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,jA);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,r=o.renderFlags;for(let t=0;t<g;t++){const s=this._uSectionPlanes[t];if(s)if(t<m){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,GA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const YA=new Float32Array([0,0,0,1]),JA=d.vec3(),ZA=d.vec3();d.vec3();const qA=d.mat4();class $A{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=JA;if(f){const t=d.transformPoint3(c,A,ZA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(u,e,qA)}else p=u;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===Ho.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Ho.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Ho.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,YA);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,JA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const eh=d.vec3(),th=d.vec3(),ih=d.mat4();class sh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=eh;if(f){const t=d.transformPoint3(c,A,th);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(u,e,ih)}else p=u;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,eh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const rh=d.vec3(),oh=d.vec3(),nh=d.vec3(),ah=d.mat4();class lh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=rh;if(v){const t=d.transformPoint3(c,A,oh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=J(u,e,ah),_=nh,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=u,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const r=this._uSectionPlanes[t];if(r)if(t<x){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,rh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ah=d.vec3(),hh=d.vec3(),ch=d.vec3();d.vec3();const uh=d.mat4();class dh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Ah;if(A){const e=hh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=J(u,t,uh),_=ch,_[0]=f[0]-t[0],_[1]=f[1]-t[1],_[2]=f[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=u,_=f,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const v=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(v>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*b,o=s.renderFlags;for(let t=0;t<v;t++){const r=this._uSectionPlanes[t];if(r)if(t<b){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,Ah,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ph=d.vec3(),fh=d.vec3(),gh=d.vec3(),mh=d.vec3();d.vec3();const _h=d.mat4();class vh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=ph;let g,m;f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=fh;if(_){const e=d.transformPoint3(c,A,gh);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=J(p,t,_h),m=mh,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,ph,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}const x="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(x,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(x,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(x,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const bh=d.vec3(),yh=d.vec3(),xh=d.vec3(),Bh=d.vec3();d.vec3();const wh=d.mat4();class Ph{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=bh;let g,m;f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=yh;if(_){const e=xh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=J(p,t,wh),m=Bh,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,bh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ch=d.vec3(),Mh=d.vec3(),Eh=d.vec3();d.vec3();const Fh=d.mat4();class Ih{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Ch;if(A){const t=Mh;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(u,e,Fh),f=Eh,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=u,f=o.eye;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const g=r._sectionPlanesState.getNumAllocatedSectionPlanes(),m=r._sectionPlanesState.sectionPlanes.length;if(g>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,o=s.renderFlags;for(let t=0;t<g;t++){const r=this._uSectionPlanes[t];if(r)if(t<m){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,Ch,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Dh=d.vec3(),Sh=d.vec3(),Th=d.vec3();d.vec3();const Rh=d.mat4();class Lh{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Dh;if(f){const t=d.transformPoint3(c,A,Sh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],u=J(r.viewMatrix,e,Rh),p=Th,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else u=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,Dh,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Uh=d.vec3(),Oh=d.vec3(),kh=d.vec3();d.vec3();const Nh=d.mat4();class Qh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const f=0!==l[0]||0!==l[1]||0!==l[2],g=0!==A[0]||0!==A[1]||0!==A[2];if(f||g){const e=Uh;if(f){const t=Oh;d.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],u=J(c,e,Nh),p=kh,p[0]=o.eye[0]-e[0],p[1]=o.eye[1]-e[1],p[2]=o.eye[2]-e[2]}else u=c,p=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,h),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(l){const e=ee(i.dist,i.dir,l,Uh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(je.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Vh=d.vec3(),Hh=d.vec3(),jh=d.vec3();d.vec3(),d.vec4();const Gh=d.mat4();class zh{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));const u=e.pickViewMatrix||r.viewMatrix,p=e.pickProjMatrix||r.projMatrix,f=e.pickOrigin||r.eye,g=e.pickProjMatrix?e.pickZFar:r.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=Vh;if(v){const t=d.transformPoint3(c,A,Hh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=J(u,e,Gh),_=jh,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=u,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=s._sectionPlanesState.getNumAllocatedSectionPlanes(),x=s._sectionPlanesState.sectionPlanes.length;if(y>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,r=o.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,Vh,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Wh{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new XA(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new lh(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new dh(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new zh(this._scene)),this._snapRenderer||(this._snapRenderer=new vh(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Ph(this._scene)),this._snapRenderer||(this._snapRenderer=new vh(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new HA(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new HA(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new XA(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Lh(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Qh(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new $A(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new sh(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new lh(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new zh(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new zh(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new dh(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new vh(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ph(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Ih(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const Kh={};class Xh{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class Yh{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const Jh={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Jh,null,4));let e=0;Object.keys(Jh).forEach((t=>{t.startsWith("size")&&(e+=Jh[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Jh.totalPolygons).toFixed(2)}`);let t={};Object.keys(Jh).forEach((i=>{i.startsWith("size")&&(t[i]=`${(Jh[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class Zh{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);Jh.sizeDataColorsAndFlags+=h.byteLength,Jh.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);Jh.sizeDataTextureOffsets+=r.byteLength,Jh.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Jh.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Jh.sizeDataPositionDecodeMatrices+=o.byteLength,Jh.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);Jh.sizeDataTextureIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);Jh.sizeDataTextureIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);Jh.sizeDataTextureIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);Jh.sizeDataTextureEdgeIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);Jh.sizeDataTextureEdgeIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);Jh.sizeDataTextureEdgeIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);Jh.sizeDataTexturePositions+=n.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),Jh.sizeDataTexturePortionIds+=o.byteLength,Jh.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}}const qh=new In,$h=qh.maxDataTextureHeight,ec=d.vec4(),tc=new Float32Array(16),ic=new Uint8Array(4),sc=new Float32Array(3);let rc=0;const oc=d.identityMat4();class nc{constructor(e,t){Jh.numberOfLayers++,this._layerNumber=rc++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=Kh[t];return i||(i=new Wh(e),Kh[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Kh[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new Xh,this._dtxState=new Yh,this._dtxTextureFactory=new Zh,this._state=new vt({origin:d.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Jh.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*$h||t+r>4096*$h)&&Jh.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*$h&&t+r<=4096*$h}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;Jh.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;Jh.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,Jh.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||oc),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,Jh.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,Jh.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,Jh.totalPolygons32Bits+=t.numTriangles),Jh.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,Jh.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,Jh.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,Jh.totalEdges32Bits+=t.numEdges),Jh.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,Jh.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;ic[0]=t[0],ic[1]=t[1],ic[2]=t[2],ic[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(ic,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,ic))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&te),o=!!(t&ne),n=!!(t&ae),a=!!(t&le),l=!!(t&Ae),A=!!(t&se),h=!!(t&ie);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,u=!r||h?Ho.NOT_RENDERED:a?Ho.SILHOUETTE_SELECTED:n?Ho.SILHOUETTE_HIGHLIGHTED:o?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let d=0;d=!r||h?Ho.NOT_RENDERED:a?Ho.EDGES_SELECTED:n?Ho.EDGES_HIGHLIGHTED:o?Ho.EDGES_XRAYED:l?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let p=r&&!h&&A?Ho.PICK:Ho.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;ic[0]=c,ic[1]=u,ic[2]=d,ic[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(ic,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,ic))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&re?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;ic[0]=s,ic[1]=0,ic[2]=1,ic[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(ic,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,ic))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;sc[0]=t[0],sc[1]=t[1],sc[2]=t[2],i.texturePerObjectOffsets._textureData.set(sc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,sc))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;tc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(tc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,tc))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],c=l[2],u=ec;for(let e=0,i=n.length;e<i;e+=3)u[0]=n[e],u[1]=n[e+1],u[2]=n[e+2],u[3]=1,d.decompressPosition(u,a),d.transformPoint4(this.model.worldMatrix,u,u),d.transformPoint4(this.model.worldMatrix,u,u),u[0]+=A,u[1]+=h,u[2]+=c,t(u)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Ho.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class ac{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class lc{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const Ac={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class hc{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const cc=new hc;class uc{constructor(e){this.manager=void 0!==e?e:cc,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const dc={};class pc extends uc{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=Ac.get(e);if(void 0!==r)return this.manager.itemStart(e),I.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==dc[e])return void dc[e].push({onLoad:t,onProgress:i,onError:s});dc[e]=[],dc[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=dc[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{Ac.add(e,t);const i=dc[e];delete dc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=dc[e];if(void 0===i)throw this.manager.itemError(e),t;delete dc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class fc{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let gc=0;class mc{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new fc,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new pc;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new pc;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=mc.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(mc.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(mc.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(mc.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),gc>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),gc++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),gc--}}mc.BasisFormat={ETC1S:0,UASTC_4x4:1},mc.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},mc.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},mc.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const _c={};function vc(e){const t=e.scene.id;let i=_c[t];return i||(i=new mc({viewer:e}),_c[t]=i,e.scene.on("destroyed",(()=>{delete _c[t],i.destroy()}))),i}
+class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}class o{constructor(e={}){this._id=t.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==e.hideOnMouseDown&&(document.addEventListener("mousedown",(e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),e.items&&(this.items=e.items),this._hideOnAction=!1!==e.hideOnAction,this.context=e.context,this.enabled=!1!==e.enabled,this.hide()}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}set items(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}get items(){return this._itemsCfg}set enabled(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}get enabled(){return this._enabled}set context(e){this._context=e}get context(){return this._context}show(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._updateSubMenuInfo(),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}get shown(){return this._shown}hide(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}destroy(){this._context=null,this._clear(),null!==this._id&&(t.removeItem(this._id),this._id=null)}_clear(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e].menuElement;t.parentElement.removeChild(t)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}_parseItems(e){const t=e=>{const o=this._getNextId(),n=new i(o);for(let i=0,o=e.length;i<o;i++){const o=e[i],a=new s;n.groups.push(a);for(let e=0,i=o.length;e<i;e++){const i=o[e],s=i.items,l=s&&s.length>0,A=this._getNextId(),h=i.getTitle||(()=>i.title||""),c=i.doAction||i.callback||(()=>{}),u=i.getEnabled||(()=>!0),d=i.getShown||(()=>!0),p=new r(A,h,c,u,d);if(p.parentMenu=n,a.items.push(p),l){const e=t(s);p.subMenu=e,e.parentItem=p}this._itemList.push(p),this._itemMap[p.id]=p}}return this._menuList.push(n),this._menuMap[n.id]=n,n};this._rootMenu=t(e)}_getNextId(){return"ContextMenu_"+this._id+"_"+this._nextId++}_createUI(){const e=t=>{this._createMenuUI(t);const i=t.groups;for(let t=0,s=i.length;t<s;t++){const s=i[t].items;for(let t=0,i=s.length;t<i;t++){const i=s[t].subMenu;i&&e(i)}}};e(this._rootMenu)}_createMenuUI(e){const t=e.groups,i=[];if(i.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),i.push("<ul>"),t)for(let e=0,s=t.length;e<s;e++){const r=e,o=s,n=t[e].items;if(n)for(let e=0,t=n.length;e<t;e++){const s=n[e],a=s.subMenu,l=s.title||"";a?(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item xeokit-context-menu-submenu">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>')):(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>'))}}i.push("</ul>"),i.push("</div>");const s=i.join("");document.body.insertAdjacentHTML("beforeend",s);const r=document.querySelector("."+e.id);e.menuElement=r,r.style["border-radius"]="4px",r.style.display="none",r.style["z-index"]=3e5,r.style.background="white",r.style.border="1px solid black",r.style["box-shadow"]="0 4px 5px 0 gray",r.oncontextmenu=e=>{e.preventDefault()};const o=this;let n=null;if(t)for(let e=0,i=t.length;e<i;e++){const i=t[e].items;if(i)for(let e=0,t=i.length;e<t;e++){const t=i[e],s=t.subMenu;t.itemElement=document.getElementById(t.id),t.itemElement?(t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault();const i=t.subMenu;if(!i)return void(n&&(o._hideMenu(n.id),n=null));if(n&&n.id!==i.id&&(o._hideMenu(n.id),n=null),!1===t.enabled)return;const s=t.itemElement,r=i.menuElement,a=s.getBoundingClientRect();r.getBoundingClientRect();a.right+200>window.innerWidth?o._showMenu(i.id,a.left-200,a.top-1):o._showMenu(i.id,a.right-5,a.top-1),n=i})),s||(t.itemElement.addEventListener("click",(e=>{e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus()))})),t.itemElement.addEventListener("mouseup",(e=>{3===e.which&&(e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus())))})),t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault(),!1!==t.enabled&&t.doHover&&t.doHover(o._context)})))):console.error("ContextMenu item element not found: "+t.id)}}}_updateItemsTitles(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getShown;if(!s||!s(this._context))continue;const r=t.getTitle(this._context);t.subMenu,i.innerText=r}}_updateItemsEnabledStatus(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getEnabled;if(!s)continue;const r=t.getShown;if(!r)continue;const o=r(this._context);if(t.shown=o,!o){i.style.display="none";continue}i.style.display="";const n=s(this._context);t.enabled=n,n?i.classList.remove("disabled"):i.classList.add("disabled")}}_updateSubMenuInfo(){if(!this._context)return;let e,t,i,s,r,o;this._itemList.forEach((n=>{n.subMenu&&(e=n.itemElement,t=e.getBoundingClientRect(),i=n.subMenu.menuElement,s={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",o=n.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=s.visibility,i.style.display=s.display,r=t.right+o>window.innerWidth,e.setAttribute("data-submenuposition",r?"left":"right"))}))}_showMenu(e,t,i){const s=this._menuMap[e];if(!s)return void console.error("Menu not found: "+e);if(s.shown)return;const r=s.menuElement;r&&(this._showMenuElement(r,t,i),s.shown=!0)}_hideMenu(e){const t=this._menuMap[e];if(!t)return void console.error("Menu not found: "+e);if(!t.shown)return;const i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}_hideAllMenus(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e];this._hideMenu(t.id)}}_showMenuElement(e,t,i){e.style.display="block";const s=e.offsetHeight,r=e.offsetWidth;i+s>window.innerHeight&&(i=window.innerHeight-s),t+r>window.innerWidth&&(t=window.innerWidth-r),e.style.left=t+"px",e.style.top=i+"px"}_hideMenuElement(e){e.style.display="none"}}class n{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=t.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id=`${this._lensContainerId}-canvas`,this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=t.lensPosToggle||!0,this._lensPosToggleAmount=t.lensPosToggleAmount||85,this._lensPosMarginLeft=t.lensPosMarginLeft||85,this._lensPosMarginTop=t.lensPosMarginTop||25,this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,this._zoomLevel=t.zoomLevel||2,this._active=!1!==t.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(()=>{this._active&&this._visible&&this.update()}))}update(){if(!this._active||!this._visible)return;if(!this._canvasPos)return;const e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,i&&(this._lensPosToggle?this._lensContainer.style.marginTop=t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount+"px":this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);const s=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-s/2,this._canvasPos[1]-s/2,s,s,0,0,this._lensCanvas.width,this._lensCanvas.height);const r=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){const e=this._snappedCanvasPos[0]-this._canvasPos[0],t=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft=r[0]+e*this._zoomLevel-10+"px",this._lensCursorDiv.style.marginTop=r[1]+t*this._zoomLevel-10+"px"}else this._lensCursorDiv.style.marginLeft=r[0]-10+"px",this._lensCursorDiv.style.marginTop=r[1]-10+"px"}set zoomFactor(e){this._zoomFactor=e,this.update()}get zoomFactor(){return this._zoomFactor}set canvasPos(e){this._canvasPos=e,this.update()}get canvasPos(){return this._canvasPos}set snappedCanvasPos(e){this._snappedCanvasPos=e,this.update()}get snappedCanvasPos(){return this._snappedCanvasPos}set snapped(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}get snapped(){return this._snapped}set active(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get active(){return this._active}set visible(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get visible(){return this._visible}destroy(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}let a=!0,l=a?Float64Array:Float32Array;const A=new l(3),h=new l(16),c=new l(16),u=new l(4),d={setDoublePrecisionEnabled(e){a=e,l=a?Float64Array:Float32Array},getDoublePrecisionEnabled:()=>a,MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId(e,t){const i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:(e,t)=>e+"#"+t,safeInv(e){const t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:e=>new l(e||2),vec3:e=>new l(e||3),vec4:e=>new l(e||4),mat3:e=>new l(e||9),mat3ToMat4:(e,t=new l(16))=>(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t),mat4:e=>new l(e||16),mat4ToMat3(e,t){},doublesToFloats(e,t,i){const s=new l(2);for(let r=0,o=e.length;r<o;r++)d.splitDouble(e[r],s),t[r]=s[0],i[r]=s[1]},splitDouble(e,t){const i=l.from([e])[0],s=e-i;t[0]=i,t[1]=s},createUUID:(()=>{const e=[];for(let t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return()=>{const t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,s=4294967295*Math.random()|0,r=4294967295*Math.random()|0;return`${e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255]}-${e[255&i]}${e[i>>8&255]}-${e[i>>16&15|64]}${e[i>>24&255]}-${e[63&s|128]}${e[s>>8&255]}-${e[s>>16&255]}${e[s>>24&255]}${e[255&r]}${e[r>>8&255]}${e[r>>16&255]}${e[r>>24&255]}`}})(),clamp:(e,t,i)=>Math.max(t,Math.min(i,e)),fmod(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2],negateVec3:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t),negateVec4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t),addVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i),addVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i),addVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i),addVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i),subVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i),subVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i),subVec2:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i),geometricMeanVec2(...e){const t=new l(e[0]);for(let i=1;i<e.length;i++)t[0]+=e[i][0],t[1]+=e[i][1];return t[0]/=e.length,t[1]/=e.length,t},subVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i),subScalarVec4:(e,t,i)=>(i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i),mulVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i),mulVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i),mulVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i),mulVec2Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i),divVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i),divVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i),divScalarVec3:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i),divVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i),divVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i),divScalarVec4:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i),dotVec4:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3],cross3Vec4(e,t){const i=e[0],s=e[1],r=e[2],o=t[0],n=t[1],a=t[2];return[s*a-r*n,r*o-i*a,i*n-s*o,0]},cross3Vec3(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=t[0],a=t[1],l=t[2];return i[0]=r*l-o*a,i[1]=o*n-s*l,i[2]=s*a-r*n,i},sqLenVec4:e=>d.dotVec4(e,e),lenVec4:e=>Math.sqrt(d.sqLenVec4(e)),dotVec3:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2],dotVec2:(e,t)=>e[0]*t[0]+e[1]*t[1],sqLenVec3:e=>d.dotVec3(e,e),sqLenVec2:e=>d.dotVec2(e,e),lenVec3:e=>Math.sqrt(d.sqLenVec3(e)),distVec3:(()=>{const e=new l(3);return(t,i)=>d.lenVec3(d.subVec3(t,i,e))})(),lenVec2:e=>Math.sqrt(d.sqLenVec2(e)),distVec2:(()=>{const e=new l(2);return(t,i)=>d.lenVec2(d.subVec2(t,i,e))})(),rcpVec3:(e,t)=>d.divScalarVec3(1,e,t),normalizeVec4(e,t){const i=1/d.lenVec4(e);return d.mulVec4Scalar(e,i,t)},normalizeVec3(e,t){const i=1/d.lenVec3(e);return d.mulVec3Scalar(e,i,t)},normalizeVec2(e,t){const i=1/d.lenVec2(e);return d.mulVec2Scalar(e,i,t)},angleVec3(e,t){let i=d.dotVec3(e,t)/Math.sqrt(d.sqLenVec3(e)*d.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:(()=>{const e=new l(3);return(t,i)=>(e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=d.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=d.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=d.lenVec3(e),i)})(),vecToArray:(()=>{function e(e){return Math.round(1e5*e)/1e5}return t=>{for(let i=0,s=(t=Array.prototype.slice.call(t)).length;i<s;i++)t[i]=e(t[i]);return t}})(),xyzArrayToObject:e=>({x:e[0],y:e[1],z:e[2]}),xyzObjectToArray:(e,t)=>((t=t||d.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t),dupMat4:e=>e.slice(0,16),mat4To3:e=>[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]],m4s:e=>[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e],setMat4ToZeroes:()=>d.m4s(0),setMat4ToOnes:()=>d.m4s(1),diagonalMat4v:e=>new l([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]]),diagonalMat4c:(e,t,i,s)=>d.diagonalMat4v([e,t,i,s]),diagonalMat4s:e=>d.diagonalMat4c(e,e,e,e),identityMat4:(e=new l(16))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e),identityMat3:(e=new l(9))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e),isIdentityMat4:e=>1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15],negateMat4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t),addMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i),addMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i),addScalarMat4:(e,t,i)=>d.addMat4Scalar(t,e,i),subMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i),subMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i),subScalarMat4:(e,t,i)=>(i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i),mulMat4(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],x=t[3],B=t[4],w=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+x*f,i[1]=v*r+b*l+y*u+x*g,i[2]=v*o+b*A+y*d+x*m,i[3]=v*n+b*h+y*p+x*_,i[4]=B*s+w*a+P*c+C*f,i[5]=B*r+w*l+P*u+C*g,i[6]=B*o+w*A+P*d+C*m,i[7]=B*n+w*h+P*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new l(9));const s=e[0],r=e[3],o=e[6],n=e[1],a=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=n*d+a*g+A*v,i[4]=n*p+a*m+A*b,i[7]=n*f+a*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=d.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,x=s*A-o*a,B=r*A-o*l,w=h*f-c*p,P=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-x*P+B*w);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*B-g*x+m*y)*I,t[3]=(-c*B+u*x-d*y)*I,t[4]=(-n*F+l*C-A*P)*I,t[5]=(i*F-r*C+o*P)*I,t[6]=(-p*B+g*b-m*v)*I,t[7]=(h*B-u*b+d*v)*I,t[8]=(n*E-a*C+A*w)*I,t[9]=(-i*E+s*C-o*w)*I,t[10]=(p*x-f*b+m*_)*I,t[11]=(-h*x+c*b-d*_)*I,t[12]=(-n*M+a*P-l*w)*I,t[13]=(i*M-s*P+r*w)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||d.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||d.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.translationMat4v(e,r))})(),translationMat4s:(e,t)=>d.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>d.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=d.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,c,u,p,f,g;return h=a*l,c=l*A,u=A*a,p=a*r,f=l*r,g=A*r,(i=i||d.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*u-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*c+p,i[7]=0,i[8]=n*u+f,i[9]=n*c-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>d.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=d.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=d.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>d.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=d.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,c=s*l,u=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=c+v,i[2]=u-_,i[3]=0,i[4]=c-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=u+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=d.vec4()){const s=d.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],c=e[6],u=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,u),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(c,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,u),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(c,-1,1)),Math.abs(c)<.99999?(i[1]=Math.atan2(-h,u),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(c,u),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,u))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(c,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,u),i[1]=0)),i},composeMat4:(e,t,i,s=d.mat4())=>(d.quaternionToRotationMat4(t,s),d.scaleMat4v(i,s),d.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new l(3),t=new l(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=d.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=d.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=d.lenVec3(e);d.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,c=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=c,t[9]*=c,t[10]*=c,d.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=d.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],c=t[1],u=t[2];if(r===h&&o===c&&n===u)return d.identityMat4();let p,f,g,m,_,v,b,y,x,B;return p=r-h,f=o-c,g=n-u,B=1/Math.sqrt(p*p+f*f+g*g),p*=B,f*=B,g*=B,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,B=Math.sqrt(m*m+_*_+v*v),B?(B=1/B,m*=B,_*=B,v*=B):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,x=p*_-f*m,B=Math.sqrt(b*b+y*y+x*x),B?(B=1/B,b*=B,y*=B,x*=B):(b=0,y=0,x=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=x,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+x*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>d.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=d.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];d.addVec4(r,s,h),d.subVec4(r,s,c);const o=2*s[2],n=c[0],a=c[1],l=c[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=h[0]/n,i[9]=h[1]/a,i[10]=-h[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/l,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],d.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=d.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=d.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],x=e[13],B=e[14],w=e[15];let P;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],P=s[e]||(s[e]=[0,0,0]),P[0]=A*o+d*n+m*a+y,P[1]=h*o+p*n+_*a+x,P[2]=c*o+f*n+v*a+B,P[3]=u*o+g*n+b*a+w;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],x=e[14],B=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+x,i[s+3]=c*o+f*n+v*a+B;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||d.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return 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l(3),i=new l(3);return s=>(e[0]=s[0],e[1]=s[1],e[2]=s[2],t[0]=s[3],t[1]=s[4],t[2]=s[5],d.subVec3(t,e,i),Math.abs(d.lenVec3(i)))})(),getAABB3DiagPoint:(()=>{const e=new l(3),t=new l(3),i=new l(3);return(s,r)=>{e[0]=s[0],e[1]=s[1],e[2]=s[2],t[0]=s[3],t[1]=s[4],t[2]=s[5];const o=d.subVec3(t,e,i),n=r[0]-s[0],a=s[3]-r[0],l=r[1]-s[1],A=s[4]-r[1],h=r[2]-s[2],c=s[5]-r[2];return o[0]+=n>a?n:a,o[1]+=l>A?l:A,o[2]+=h>c?h:c,Math.abs(d.lenVec3(o))}})(),getAABB3Area:e=>(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2]),getAABB3Center(e,t){const i=t||d.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center(e,t){const i=t||d.vec2();return 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r=e.onAttached;if(r&&(y.isFunction(r)?r(i):r.scope?r.callback.call(r.scope,i):r.callback(i)),n){let e,t,r,o;for(e in n)if(n.hasOwnProperty(e)){if(t=n[e],y.isFunction(t)?(r=t,o=null):(r=t.callback,o=t.scope),!r)continue;s.subs.push(i.on(e,r,o))}}}return a&&this.fire("dirty",this),this.fire(t,i),i}_checkComponent(e,t){if(!t.isComponent){if(!y.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}_checkComponent2(e,t){if(!t.isComponent){if(!y.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(t.scene.id===this.scene.id){for(var i=0,s=e.length;i<s;i++)if(e[i]===t.type)return t;return this.error("Expected component types: 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this._attachments)if(this._attachments.hasOwnProperty(e)){for(t=this._attachments[e],i=t.component,s=t.subs,r=0,o=s.length;r<o;r++)i.off(s[r]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&(i=this._ownedComponents[e],i.destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}const L=d.vec3(),U=d.vec3(),O=d.mat4();class k{constructor(){this.normal=d.vec3(),this.offset=0,this.testVertex=d.vec3()}set(e,t,i,s){const r=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*r,this.normal[1]=t*r,this.normal[2]=i*r,this.offset=s*r,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}class N{constructor(){this.planes=[new k,new k,new k,new k,new k,new k]}}function Q(e,t,i){const s=d.mulMat4(i,t,O),r=s[0],o=s[1],n=s[2],a=s[3],l=s[4],A=s[5],h=s[6],c=s[7],u=s[8],p=s[9],f=s[10],g=s[11],m=s[12],_=s[13],v=s[14],b=s[15];e.planes[0].set(a-r,c-l,g-u,b-m),e.planes[1].set(a+r,c+l,g+u,b+m),e.planes[2].set(a-o,c-A,g-p,b-_),e.planes[3].set(a+o,c+A,g+p,b+_),e.planes[4].set(a-n,c-h,g-f,b-v),e.planes[5].set(a+n,c+h,g+f,b+v)}function V(e,t){let i=N.INSIDE;const s=L,r=U;s[0]=t[0],s[1]=t[1],s[2]=t[2],r[0]=t[3],r[1]=t[4],r[2]=t[5];const o=[s,r];for(let t=0;t<6;++t){const s=e.planes[t];if(s.normal[0]*o[s.testVertex[0]][0]+s.normal[1]*o[s.testVertex[1]][1]+s.normal[2]*o[s.testVertex[2]][2]+s.offset<0)return N.OUTSIDE;s.normal[0]*o[1-s.testVertex[0]][0]+s.normal[1]*o[1-s.testVertex[1]][1]+s.normal[2]*o[1-s.testVertex[2]][2]+s.offset<0&&(i=N.INTERSECT)}return i}N.INSIDE=0,N.INTERSECT=1,N.OUTSIDE=2;class H extends R{constructor(e={}){if(!e.viewer)throw"[MarqueePicker] Missing config: viewer";if(!e.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";super(e.viewer.scene,e),this.viewer=e.viewer,this._objectsKdTree3=e.objectsKdTree3,this._canvasMarqueeCorner1=d.vec2(),this._canvasMarqueeCorner2=d.vec2(),this._canvasMarquee=d.AABB2(),this._marqueeFrustum=new N,this._marqueeFrustumProjMat=d.mat4(),this._pickMode=!1,this._marqueeElement=document.createElement("div"),document.body.appendChild(this._marqueeElement),this._marqueeElement.style.position="absolute",this._marqueeElement.style["z-index"]="40000005",this._marqueeElement.style.width="8px",this._marqueeElement.style.height="8px",this._marqueeElement.style.visibility="hidden",this._marqueeElement.style.top="0px",this._marqueeElement.style.left="0px",this._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==H.PICK_MODE_INSIDE&&e!==H.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===H.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=N.INTERSECT)=>{if(s===N.INTERSECT&&(s=V(this._marqueeFrustum,i.aabb)),s!==N.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===H.PICK_MODE_INSIDE){V(this._marqueeFrustum,r)===N.INSIDE&&e.push(s.id)}else{V(this._marqueeFrustum,r)!==N.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,c=-(this._canvasMarquee[1]-r)*n+1,u=this.viewer.scene.camera.frustum.near*(17*a);d.frustumMat4(l,A,h*a,c*a,u,1e4,this._marqueeFrustumProjMat),Q(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}H.PICK_MODE_INTERSECTS=0,H.PICK_MODE_INSIDE=1;class j extends R{constructor(e){super(e.marqueePicker,e);const t=e.marqueePicker,i=t.viewer.scene.canvas.canvas;let s,r,o,n,a,l,A,h=!1,c=!1,u=!1;i.addEventListener("mousedown",(e=>{this.getActive()&&0===e.button&&(A=setTimeout((function(){const o=t.viewer.scene.input;o.keyDown[o.KEY_CTRL]||t.clear(),s=e.pageX,r=e.pageY,a=e.offsetX,t.setMarqueeCorner1([s,r]),h=!0,t.viewer.cameraControl.pointerEnabled=!1,t.setMarqueeVisible(!0),i.style.cursor="crosshair"}),400),c=!0)})),i.addEventListener("mouseup",(e=>{if(!this.getActive())return;if(!h&&!u)return;if(0!==e.button)return;clearTimeout(A),o=e.pageX,n=e.pageY;const i=Math.abs(o-s),a=Math.abs(n-r);h=!1,t.viewer.cameraControl.pointerEnabled=!0,u&&(u=!1),(i>3||a>3)&&t.pick()})),document.addEventListener("mouseup",(e=>{this.getActive()&&0===e.button&&(clearTimeout(A),h&&(t.setMarqueeVisible(!1),h=!1,c=!1,u=!0,t.viewer.cameraControl.pointerEnabled=!0))}),!0),i.addEventListener("mousemove",(e=>{this.getActive()&&0===e.button&&c&&(clearTimeout(A),h&&(o=e.pageX,n=e.pageY,l=e.offsetX,t.setMarqueeVisible(!0),t.setMarqueeCorner2([o,n]),t.setPickMode(a<l?H.PICK_MODE_INSIDE:H.PICK_MODE_INTERSECTS)))}))}setActive(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}getActive(){return this._active}destroy(){}}class G{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class z{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){I.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const W={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i}};class K{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var s=this._dotClickable.style;s.left=Math.round(e)-9+"px",s.top=Math.round(t)-9+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}const X=d.vec3(),J=d.vec4(),Y=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,d.transformVec4(s,t,i),d.setMat4Translation(s,i,o),o.slice()}}();function Z(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function q(e,t,i,s=1e3){const r=d.getPositionsCenter(e,X),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function $(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function ee(e,t,i,s,r){const o=r?(J.set(i,0),J[3]=1,d.mulMat4v4(r,J,J)):i,n=d.dotVec3(t,o)+e,a=d.normalizeVec3(t,X);return d.mulVec3Scalar(a,-n,s),s}const te=1,ie=4,se=8,re=16,oe=32,ne=256,ae=512,le=1024,Ae=2048,he=new Float32Array([0,0,0]),ce=new Uint16Array([0,0,0]);d.OBB3();class ue{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=d.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=d.AABB3(),this._aabbDirty=!0,this._offset=d.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)d.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(te)}set visible(e){if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(ae)}set highlighted(e){if(!!(this._flags&ae)!==e){this._flags=e?this._flags|ae:this._flags&~ae;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(ne)}set xrayed(e){if(!!(this._flags&ne)!==e){this._flags=e?this._flags|ne:this._flags&~ne;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(le)}set selected(e){if(!!(this._flags&le)!==e){this._flags=e?this._flags|le:this._flags&~le;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(Ae)}set edges(e){if(!!(this._flags&Ae)!==e){this._flags=e?this._flags|Ae:this._flags&~Ae;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(re)}set clippable(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(oe)}set collidable(e){if(!!(this._flags&oe)!==e){this._flags=e?this._flags|oe:this._flags&~oe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(se)}set pickable(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return he[0]=e[0]/255,he[1]=e[1]/255,he[2]=e[2]/255,he}set colorize(e){if(e){ce[0]=Math.floor(255*e[0]),ce[1]=Math.floor(255*e[1]),ce[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(ce)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const de=d.vec4(),pe=d.vec4();class fe extends R{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._viewPos=d.vec3(),this._canvasPos=d.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(d.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){de.set(this._viewPos),de[3]=1,d.transformPoint4(this.scene.camera.projMatrix,de,pe);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+pe[0]/pe[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-pe[1]/pe[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof ue?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),Z(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),super.destroy()}}const ge=()=>{};function me(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}class _e extends fe{constructor(e,t,i,s={}){super(e,t);const r=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new K(i,{fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:r(s.onMouseOver,"mouseover"),onMouseLeave:r(s.onMouseLeave,"mouseleave"),onMouseWheel:r(s.onMouseWheel,"wheel"),onMouseDown:r(s.onMouseDown,"mousedown"),onMouseUp:r(s.onMouseUp,"mouseup"),onMouseMove:r(s.onMouseMove,"mousemove"),onTouchstart:r(s.onTouchstart,"touchstart"),onTouchmove:r(s.onTouchmove,"touchmove"),onTouchend:r(s.onTouchend,"touchend"),onContextMenu:r(s.onContextMenu,"contextmenu")});const o=()=>{const t=this.canvasPos.slice();me(e.canvas.canvas,i,t),this._dot.setPos(t[0],t[1])};this.on("worldPos",o);const n=e.camera.on("viewMatrix",o),a=e.camera.on("projMatrix",o);this._cleanup=()=>{e.camera.off(n),e.camera.off(a),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setCulled(e){this._dot.setCulled(e)}setFillColor(e){this._dot.setFillColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this._dot.setVisible(e)}destroy(){this._cleanup(),super.destroy()}}function ve(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",ge),l=i("onMove",ge),A=i("onEnd",ge),h=s.scene,c=h.canvas.canvas,u=e=>{const t=d.vec2([e.clientX,e.clientY]);me(c.ownerDocument.documentElement,c,t),l(t,(e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(c,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&u(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),u(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(c.addEventListener("mousemove",f),c.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{c.removeEventListener("mousemove",f),c.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function be(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",ge),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return ve(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}const ye=function(e,t,i){return function(s,r,o){const n=e.scene,a=n.canvas.canvas,l=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,me(a.ownerDocument.documentElement,a,t),t),A=e=>{const t=d.vec3(),s=d.vec3();return d.canvasPosToWorldRay(a,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,t,s),i(t,s)};let h=null;const c=()=>{};let u,p=c;const f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=c,u=null},g=function(){f(),a.removeEventListener("touchstart",m),a.removeEventListener("touchmove",_),a.removeEventListener("touchend",v)},m=function(i){const o=i.touches;if(1!==o.length)f(),s();else{const i=o[0],s=l(i,d.vec2());A(s)&&(u=i.identifier,p=e=>{d.distVec2(s,e)>20&&f()},h=setTimeout((function(){t.start(s),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=e=>{r(e,A(e))},p(s)}),300)}),250))}};a.addEventListener("touchstart",m,{passive:!0});const _=function(e){const t=[...e.changedTouches].find((e=>e.identifier===u));t&&p(l(t,d.vec2()))};a.addEventListener("touchmove",_,{passive:!0});const v=function(e){const t=[...e.changedTouches].find((e=>e.identifier===u));if(t){g();const e=l(t,d.vec2());o(e,A(e))}};return a.addEventListener("touchend",v,{passive:!0}),g}};class xe{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]="rotate("+t+"deg)",s["-moz-transform"]="rotate("+t+"deg)",s["-ms-transform"]="rotate("+t+"deg)",s["-o-transform"]="rotate("+t+"deg)",s.transform="rotate("+t+"deg)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}class Be{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(i.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),i.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):i.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}var we=d.vec3(),Pe=d.vec3();class Ce extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._color=t.color||e.defaultColor;var i=this.plugin.viewer.scene;this._originWorld=d.vec3(),this._cornerWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(12),this._vp=new Float64Array(12),this._pp=new Float64Array(12),this._cp=new Int16Array(6);const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},l=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};this._originDot=new _e(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._cornerDot=new _e(i,t.corner,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetDot=new _e(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._originWire=new xe(this._container,{color:this._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetWire=new xe(this._container,{color:this._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._angleLabel=new Be(this._container,{fillColor:this._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._visible=!1,this._originVisible=!1,this._cornerVisible=!1,this._targetVisible=!1,this._originWireVisible=!1,this._targetWireVisible=!1,this._angleVisible=!1,this._labelsVisible=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._cornerDot.on("worldPos",(e=>{this._cornerWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.cornerVisible=t.cornerVisible,this.targetVisible=t.targetVisible,this.originWireVisible=t.originWireVisible,this.targetWireVisible=t.targetWireVisible,this.angleVisible=t.angleVisible,this.labelsVisible=t.labelsVisible}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){const u=-.3,p=this._originDot.viewPos[2],f=this._cornerDot.viewPos[2],g=this._targetDot.viewPos[2];if(p>u||f>u||g>u)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var t=this._pp,i=this._cp,s=e.canvas.canvas.getBoundingClientRect();const m=this._container.getBoundingClientRect();for(var r=s.top-m.top,o=s.left-m.left,n=e.canvas.boundary,a=n[2],l=n[3],A=0,h=0,c=t.length;h<c;h+=4)i[A]=o+Math.floor((1+t[h+0]/t[h+3])*a/2),i[A+1]=r+Math.floor((1-t[h+1]/t[h+3])*l/2),A+=2;if(this._originWire.setStartAndEnd(i[0],i[1],i[2],i[3]),this._targetWire.setStartAndEnd(i[2],i[3],i[4],i[5]),this._angleLabel.setPosBetweenWires(i[0],i[1],i[2],i[3],i[4],i[5]),d.subVec3(this._originWorld,this._cornerWorld,we),d.subVec3(this._targetWorld,this._cornerWorld,Pe),!(0===we[0]&&0===we[1]&&0===we[2]||0===Pe[0]&&0===Pe[1]&&0===Pe[2])){const e=this._approximate?" ~ ":" = ";d.normalizeVec3(we),d.normalizeVec3(Pe);const t=Math.abs(d.angleVec3(we,Pe));this._angle=t/d.DEGTORAD,this._angleLabel.setText(e+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._update(),this._angle}get color(){return this._color}set color(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}set visible(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}get originVisible(){return this._originVisible}set cornerVisible(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}get cornerVisible(){return this._cornerVisible}set targetVisible(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}get targetVisible(){return this._targetVisible}set originWireVisible(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}get originWireVisible(){return this._originWireVisible}set targetWireVisible(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}get targetWireVisible(){return this._targetWireVisible}set angleVisible(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get angleVisible(){return this._angleVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}setHighlighted(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),super.destroy()}}class Me extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Ee extends Me{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=d.vec3(),A=d.vec2();this._currentAngleMeasurement=null;const h=d.vec2(),c=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:if(this._canvasToPagePos)this._canvasToPagePos(t,i,h),this.markerDiv.style.left=h[0]-5+"px",this.markerDiv.style.top=h[1]-5+"px";else{const e=d.vec2(i);me(t,this.markerDiv.parentNode,e),this.markerDiv.style.left=e[0]-5+"px",this.markerDiv.style.top=e[1]-5+"px"}break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&c(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||c(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:d.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const u=e=>{if(r=!1,s&&(s.visible=!0,s.pointerPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&u(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||u(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Fe extends z{constructor(e,t={}){super("AngleMeasurements",e),this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,angleMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get control(){return this._defaultControl||(this._defaultControl=new Ee(this,{})),this._defaultControl}get measurements(){return this._measurements}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.corner,s=e.target,r=new Ce(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},corner:{entity:i.entity,worldPos:i.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:e.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[r.id]=r,r.on("destroyed",(()=>{delete this._measurements[r.id]})),r.clickable=!0,this.fire("measurementCreated",r),r}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class Ie extends Me{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentAngleMeasurement=null,this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._touchState=0,this._attachPlugin(e,t)}_attachPlugin(e){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const c=i.touches[0],p=c.clientX,f=c.clientY;switch(n.set([p,f]),a.set([p,f]),this._touchState){case 0:if(1!==l&&null!==o)return void u();const i=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement?this._currentAngleMeasurement.origin.worldPos=s:(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},corner:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1),this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=c.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=c.identifier;break;case 6:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=8,h()}),this._longTouchTimeoutMs),this._touchState=7),A=c.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(e=>{this.pointerCircle.stop();const i=e.touches.length;if(1!==i||1!==e.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const r=e.touches[0],n=r.clientX,l=r.clientY;if(r.identifier!==A)return;let h,c;switch(a.set([n,l]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(h.worldPos),this._currentAngleMeasurement.origin.worldPos=h.worldPos):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),s.set(c.worldPos),this._currentAngleMeasurement.origin.worldPos=c.worldPos):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.corner.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.corner.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1)),this._touchState=5;break;case 8:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.target.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.target.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0)),this._touchState=8}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0],u=h.clientX,p=h.clientY;if(h.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([u,p]),this._touchState){case 1:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos},corner:{worldPos:i.worldPos},target:{worldPos:i.worldPos}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=3):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=6):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 5:this.pointerLens&&(this.pointerLens.visible=!1),this._touchState=6,c();break;case 7:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=6);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0}c();break;case 8:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement&&this._currentAngleMeasurement.targetVisible?(this._currentAngleMeasurement.clickable=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._touchState=0):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class De extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=be({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Se extends De{constructor(e,t){super(e,t,!0,!1)}}class Te extends De{constructor(e,t){super(e,t,!1,!0)}}const Re=d.vec3(),Le=d.vec3(),Ue=d.vec3();class Oe extends fe{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._marker.addEventListener("contextmenu",this._onContextMenuExtenalMarker=()=>{this.plugin.fire("contextmenu",this)}),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("contextmenu",(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=d.normalizeVec3(e.worldNormal,Re),i=this.plugin&&this.plugin.surfaceOffset||0,s=d.mulVec3Scalar(t,i,Le),r=d.addVec3(e.worldPos,s,Ue);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class ke extends z{constructor(e,t){super("Annotations",e),this._labelHTML=t.labelHTML||"<div></div>",this._markerHTML=t.markerHTML||"<div></div>",this._container=t.container||document.body,this._values=t.values||{},this.annotations={},this.surfaceOffset=t.surfaceOffset}getContainerElement(){return this._container}send(e,t){if("clearAnnotations"===e)this.clear()}set surfaceOffset(e){null==e&&(e=.3),this._surfaceOffset=e}get surfaceOffset(){return this._surfaceOffset}createAnnotation(e){this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=null;e.markerElementId&&((t=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var i=null;e.labelElementId&&((i=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));const s=new Oe(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:t,labelElement:i,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:y.apply(e.values,y.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(()=>{delete this.annotations[s.id],this.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}destroyAnnotation(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}clear(){const e=Object.keys(this.annotations);for(var t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}destroy(){this.clear(),super.destroy()}}class Ne extends R{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const Qe=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class Ve extends R{constructor(e,t={}){super(e,t),this._backgroundColor=d.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new Ne(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+d.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<Qe.length;e++)try{this.gl=this.canvas.getContext(Qe[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class He{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=d.vec3(),this.snapPickOrigin=d.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),Y(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;Y(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=d.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const je={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Ge=document.createElement("canvas");if(Ge){const e=Ge.getContext("webgl",{antialias:!0})||Ge.getContext("experimental-webgl",{antialias:!0});je.WEBGL=!!e,je.WEBGL&&(je.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?je.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?je.FS_MAX_FLOAT_PRECISION="mediump":je.FS_MAX_FLOAT_PRECISION="lowp":je.FS_MAX_FLOAT_PRECISION="mediump",je.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),je.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),je.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),je.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),je.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),je.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),je.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),je.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),je.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),je.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){je.SUPPORTED_EXTENSIONS[e]=!0})))}class ze{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class We{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class Ke{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class Xe{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const Je=new e({});function Ye(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function Ze(e){console.error(e.join("\n"))}class qe{constructor(e,t){this.id=Je.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new We(e,e.VERTEX_SHADER,Ye(this.source.vertex)),this._fragmentShader=new We(e,e.FRAGMENT_SHADER,Ye(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Ze(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Ze(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Ze(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Ze(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Ze(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new Ke(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new Xe(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(Je.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class $e{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class et{constructor(e,t){this.scene=e,this.aabb=d.AABB3(),this.origin=d.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;d.collapseAABB3(e),d.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new $e(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const tt=d.vec3([1,0,0]),it=d.vec3();class st{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new et(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new et(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new qe(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,Y(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,ee(i.dist,i.dir,o,it)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*tt[0],i=255*tt[1],s=255*tt[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const rt=d.vec2();class ot{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,c=this._getInverseProjectMat(),u=Math.random(),p="perspective"===s.camera.projection;rt[0]=o,rt[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,c),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,rt),t.uniform1f(this._uRandomSeed,u);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new qe(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new $e(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new $e(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new $e(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const nt=new Float32Array(ut(17,[0,1])),at=new Float32Array(ut(17,[1,0])),lt=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(ct(s,t));return i}(17,4)),At=new Float32Array(2);class ht{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new qe(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new $e(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new $e(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new $e(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),At[0]=n,At[1]=a,s.uniform2fv(this._uViewport,At),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,at):s.uniform2fv(this._uSampleOffsets,nt),s.uniform1fv(this._uSampleWeights,lt);const c=e.getDepthTexture(),u=t.getTexture();r.bindTexture(this._uDepthTexture,c,0),r.bindTexture(this._uOcclusionTexture,u,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function ct(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function ut(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class dt{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class pt{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new dt(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function ft(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const gt=function(t,i){i=i||{};const s=new He(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},c=[],u=[],p=!0,f=!0,g=!0,_=!0,v=!0,b=!0,y=!0,x=!0;const B=new pt(t);let w=!1;const P=new ot(t),C=new ht(t);function M(){p&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),p=!1,f=!0),f&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];c[e++]=s}}c.length=e,c.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),f=!1,g=!0),g&&function(){let e=0;for(let t=0,i=c.length;t<i;t++){const i=c[t];i.rebuildRenderFlags(),i.renderFlags.culled||(u[e++]=i)}u.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!ft(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!ft(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!ft(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!ft(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!ft(o,"WEBGL_compressed_texture_pvrtc")&&!ft(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,g=!0},this.setEdgesEnabled=function(e){v=e,g=!0},this.setSAOEnabled=function(e){b=e,g=!0},this.setPBREnabled=function(e){y=e,g=!0},this.setColorTextureEnabled=function(e){x=e,g=!0},this.needStateSort=function(){f=!0},this.shadowsDirty=function(){},this.imageDirty=function(){g=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){P.init(),C.init(),g=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,p=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],p=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return g||p||f},this.render=function(e){(e=e||{}).force&&(g=!0),M(),g&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=B.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=B.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),P.render(r),n.unbind(),i.blur){const e=B.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],d=[],p=[],f=[],g=[],w=[],P=[],C=[],M=[],E=[],F=[],I=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=x&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?I:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const D=t.sao.possible;if(b&&D){const e=B.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let S,T;const R=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let L=0,U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0;for(let e=0,t=u.length;e<t;e++){if(T=u[e],!0===T.culled||!1===T.visible)continue;const t=T.renderFlags;t.colorOpaque&&(b&&D&&T.saoEnabled?i[L++]=T:T.drawColorOpaque(s)),_&&t.colorTransparent&&(l[O++]=T),t.xrayedSilhouetteTransparent&&(d[V++]=T),t.xrayedSilhouetteOpaque&&(h[N++]=T),t.highlightedSilhouetteTransparent&&(w[z++]=T),t.highlightedSilhouetteOpaque&&(f[j++]=T),t.selectedSilhouetteTransparent&&(E[J++]=T),t.selectedSilhouetteOpaque&&(C[K++]=T),T.edges&&v&&(t.edgesOpaque&&(r[U++]=T),t.edgesTransparent&&(A[k++]=T),t.selectedEdgesTransparent&&(F[Y++]=T),t.selectedEdgesOpaque&&(M[X++]=T),t.xrayedEdgesTransparent&&(p[H++]=T),t.xrayedEdgesOpaque&&(c[Q++]=T),t.highlightedEdgesTransparent&&(P[W++]=T),t.highlightedEdgesOpaque&&(g[G++]=T))}if(L>0)for(s.withSAO=!0,S=0;S<L;S++)i[S].drawColorOpaque(s);if(U>0)for(S=0;S<U;S++)r[S].drawEdgesColorOpaque(s);if(N>0)for(S=0;S<N;S++)h[S].drawSilhouetteXRayed(s);if(Q>0)for(S=0;S<Q;S++)c[S].drawEdgesXRayed(s);if(V>0||H>0||O>0||k>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(O>0||k>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),k>0)for(S=0;S<k;S++)T=A[S],T.drawEdgesColorTransparent(s);if(O>0)for(S=0;S<O;S++)T=l[S],T.drawColorTransparent(s);if(H>0)for(S=0;S<H;S++)p[S].drawEdgesXRayed(s);if(V>0)for(S=0;S<V;S++)d[S].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(j>0||G>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),G>0)for(S=0;S<G;S++)g[S].drawEdgesHighlighted(s);if(j>0)for(S=0;S<j;S++)f[S].drawSilhouetteHighlighted(s)}if(z>0||W>0||j>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(S=0;S<W;S++)P[S].drawEdgesHighlighted(s);if(z>0)for(S=0;S<z;S++)w[S].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(K>0||X>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),X>0)for(S=0;S<X;S++)M[S].drawEdgesSelected(s);if(K>0)for(S=0;S<K;S++)C[S].drawSilhouetteSelected(s)}if(J>0||Y>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Y>0)for(S=0;S<Y;S++)F[S].drawEdgesSelected(s);if(J>0)for(S=0;S<J;S++)E[S].drawSilhouetteSelected(s);o.disable(o.BLEND)}const Z=Date.now(),q=m.frame;q.renderTime=(Z-R)/1e3,q.drawElements=s.drawElements,q.drawArrays=s.drawArrays,q.useProgram=s.useProgram,q.bindTexture=s.bindTexture,q.bindArray=s.bindArray;const $=je.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<$;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const ee=je.MAX_VERTEX_ATTRIBS;for(let e=0;e<ee;e++)o.disableVertexAttribArray(e)}(e)}(e),m.frame.frameCount++,g=!1)},this.pick=function(){const e=d.vec3();d.mat4();const i=d.mat4(),n=d.vec3(),a=d.vec3([0,1,0]),h=new ze,c=d.vec2(),p=d.vec3(),f=d.vec3(),g=d.vec3();return d.vec3(),d.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,x=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,x=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,x=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=d.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),d.normalizeVec3(n),d.cross3Vec3(g,n,a),b=d.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,x="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const w=B.getRenderBuffer("pick",{size:[1,1]});w.bind();const P=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,d=a.excludeEntityIds;for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||d&&d[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(w,p,b,y,m,_);if(!P)return w.unbind(),null;const C=P.delegatePickedEntity?P.delegatePickedEntity():P;return C?(m.pickSurface&&(P.canPickTriangle&&P.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(w,P,p,b,y,_),P.pickTriangleSurface(b,y,x,_),_.pickSurfacePrecision=!1):P.canPickWorldPos&&P.canPickWorldPos()&&(c[0]=t.camera.project.near,c[1]=t.camera.project.far,F(w,P,p,b,y,c,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=B.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const c=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const u=[c[0]/d.MAX_INT,c[1]/d.MAX_INT,c[2]/d.MAX_INT];d.normalizeVec3(u),l.worldNormal=u}(0,P,p,b,y,_),_.pickSurfacePrecision=!1)),w.unbind(),_.entity=C,_):(w.unbind(),null)}}();const F=function(){const e=d.vec4(),i=d.vec4(),n=d.vec4(),a=d.vec4(),l=d.vec4(),A=d.mat4(),h=d.mat4(),c=d.mat4();return function(u,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return d.dotVec4(t,i)}(u.read(0,0)),x=(f[0]-r.clientWidth/2)/(r.clientWidth/2),B=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),w=p.origin;let P;if(w){const e=Y(g,w,A);P=d.mulMat4(m,e,h)}else P=d.mulMat4(m,g,h);const C=d.inverseMat4(P,c);e[0]=x,e[1]=B,e[2]=-1,e[3]=1;let M=d.transformVec4(C,e);M=d.mulVec4Scalar(M,1/M[3]),i[0]=x,i[1]=B,i[2]=1,i[3]=1;let E=d.transformVec4(C,i);E=d.mulVec4Scalar(E,1/E[3]);const F=d.subVec3(E,M,n),I=d.addVec3(M,d.mulVec4Scalar(F,y,a),l);w&&d.addVec3(I,w),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new ze;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:c,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=c||30,_=B.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:d.lookAtMat4v(a,d.addVec3(a,h,d.vec3()),d.vec3([0,1,0]),d.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const x=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),w=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),P=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=x.slice(F,F+4),R=w.slice(F,F+4),L=P.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=d.normalizeVec3([R[0]/d.MAX_INT,R[1]/d.MAX_INT,R[2]/d.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<x.length;e+=4)if(x[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?x[e+3]>y.length/2:p,result:[x[e+0],x[e+1],x[e+2],x[e+3]],normal:[w[e+0],w[e+1],w[e+2],w[e+3]],id:[P[e+0],P[e+1],P[e+2],P[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=d.normalizeVec3([t[0]/d.MAX_INT,t[1]/d.MAX_INT,t[2]/d.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new st(t,B),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=B.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),g=!0},this.beginSnapshot=function(e={}){const t=B.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),w=!0},this.renderSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),g=!0},this.readSnapshot=function(e){return B.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return B.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").unbind(),w=!1},this.destroy=function(){A={},h={},B.destroy(),P.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class mt extends R{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.MOUSE_LEFT_BUTTON=260,this.MOUSE_MIDDLE_BUTTON=261,this.MOUSE_RIGHT_BUTTON=262,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=d.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){const t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const _t=new e({});class vt{constructor(e){this.id=_t.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){_t.removeItem(this.id)}}class bt extends R{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new vt({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class yt extends R{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new vt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),d.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class xt extends R{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new vt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),d.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class Bt extends R{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new vt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){d.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class wt extends R{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new vt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const Pt=d.vec3(),Ct=d.vec3(),Mt=d.vec3(),Et=d.vec3(),Ft=d.vec3(),It=d.vec3(),Dt=d.vec4(),St=d.vec4(),Tt=d.vec4(),Rt=d.mat4(),Lt=d.mat4(),Ut=d.vec3(),Ot=d.vec3(),kt=d.vec3(),Nt=d.vec3();class Qt extends R{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new vt({deviceMatrix:d.mat4(),hasDeviceMatrix:!1,matrix:d.mat4(),normalMatrix:d.mat4(),inverseMatrix:d.mat4()}),this._perspective=new yt(this),this._ortho=new xt(this),this._frustum=new Bt(this),this._customProjection=new wt(this),this._project=this._perspective,this._eye=d.vec3([0,0,10]),this._look=d.vec3([0,0,0]),this._up=d.vec3([0,1,0]),this._worldUp=d.vec3([0,1,0]),this._worldRight=d.vec3([1,0,0]),this._worldForward=d.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(d.subVec3(this._eye,this._look,Ut),d.normalizeVec3(Ut,Ot),d.mulVec3Scalar(Ot,1e3,kt),d.addVec3(this._look,kt,Nt),t=Nt):t=this._eye,e.hasDeviceMatrix?(d.lookAtMat4v(t,this._look,this._up,Lt),d.mulMat4(e.deviceMatrix,Lt,e.matrix)):d.lookAtMat4v(t,this._look,this._up,e.matrix),d.inverseMat4(this._state.matrix,this._state.inverseMatrix),d.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=d.subVec3(this._eye,this._look,Pt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Rt),t=d.transformPoint3(Rt,t,Ct),this.eye=d.addVec3(this._look,t,Mt),this.up=d.transformPoint3(Rt,this._up,Et)}orbitPitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._eye,this._look,Pt);const i=d.cross3Vec3(d.normalizeVec3(t,Ct),d.normalizeVec3(this._up,Mt));d.rotationMat4v(.0174532925*e,i,Rt),t=d.transformPoint3(Rt,t,Et),this.up=d.transformPoint3(Rt,this._up,Ft),this.eye=d.addVec3(t,this._look,It)}yaw(e){let t=d.subVec3(this._look,this._eye,Pt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Rt),t=d.transformPoint3(Rt,t,Ct),this.look=d.addVec3(t,this._eye,Mt),this._gimbalLock&&(this.up=d.transformPoint3(Rt,this._up,Et))}pitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._look,this._eye,Pt);const i=d.cross3Vec3(d.normalizeVec3(t,Ct),d.normalizeVec3(this._up,Mt));d.rotationMat4v(.0174532925*e,i,Rt),this.up=d.transformPoint3(Rt,this._up,It),t=d.transformPoint3(Rt,t,Et),this.look=d.addVec3(t,this._eye,Ft)}pan(e){const t=d.subVec3(this._eye,this._look,Pt),i=[0,0,0];let s;if(0!==e[0]){const r=d.cross3Vec3(d.normalizeVec3(t,[]),d.normalizeVec3(this._up,Ct));s=d.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=d.mulVec3Scalar(d.normalizeVec3(this._up,Mt),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=d.mulVec3Scalar(d.normalizeVec3(t,Et),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=d.addVec3(this._eye,i,Ft),this.look=d.addVec3(this._look,i,It)}zoom(e){const t=d.subVec3(this._eye,this._look,Pt),i=Math.abs(d.lenVec3(t,Ct)),s=Math.abs(i+e);if(s<.5)return;const r=d.normalizeVec3(t,Mt);this.eye=d.addVec3(this._look,d.mulVec3Scalar(r,s),Et)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=d.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return d.lenVec3(d.subVec3(this._look,this._eye,Pt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=Dt,i=St,s=Tt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,d.mulMat4v4(this.viewMatrix,t,i),d.mulMat4v4(this.projMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Vt extends R{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class Ht extends Vt{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new vt({type:"dir",dir:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=d.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];d.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=d.identityMat4()),d.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new dt(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class jt extends Vt{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:d.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class Gt extends R{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),m.memory.meshes++}destroy(){super.destroy(),m.memory.meshes--}}var zt=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],d.decompressPosition(n,i,A),d.decompressPosition(a,i,h),d.decompressPosition(l,i,c)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],c[0]=e[v],c[1]=e[v+1],c[2]=e[v+2]),d.subVec3(c,h,u),d.subVec3(A,h,p),d.cross3Vec3(u,p,f),d.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:d.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],x=Math.cos(d.DEGTORAD*b),B={};let w,P,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)w=s[e+i],P=s[e+(i+1)%3],C=Math.min(w,P),M=Math.max(w,P),E=C+","+M,void 0===B[E]?B[E]={index1:C,index2:M,face1:t,face2:void 0}:B[E].face2=t}for(E in B)F=B[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=d.dotVec3(I,D),S>x)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const Wt=function(){const e=d.mat4(),t=d.mat4();return function(i,s){s=s||d.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return d.identityMat4(e),d.translationMat4v(i,e),d.identityMat4(t),d.scalingMat4v([a/h,l/h,A/h],t),d.mulMat4(e,t,s),s}}();var Kt=function(){const e=d.mat4(),t=d.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));d.identityMat4(e),d.translationMat4v(s,e),d.identityMat4(t),d.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:d.mulMat4(e,t,d.identityMat4())}}}();var Xt=function(){const e=d.mat3(),t=d.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));d.identityMat3(e),d.translationMat3v(s,e),d.identityMat3(t),d.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:d.mulMat3(e,t,d.identityMat3())}}}();function Jt(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function Yt(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function Zt(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const qt={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:Wt,compressPositions:Kt,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:Xt,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=Jt(e,a,"floor","floor"),s=Yt(i),o=n=Zt(e,a,s),i=Jt(e,a,"ceil","floor"),s=Yt(i),o=Zt(e,a,s),o>n&&(r=i,n=o),i=Jt(e,a,"floor","ceil"),s=Yt(i),o=Zt(e,a,s),o>n&&(r=i,n=o),i=Jt(e,a,"ceil","ceil"),s=Yt(i),o=Zt(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},$t=m.memory,ei=d.AABB3();class ti extends Gt{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new vt({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=qt.getPositionsBounds(t.positions),s=qt.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=qt.getUVBounds(t.uv),s=qt.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=qt.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),$t.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),$t.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new $e(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),$t.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new $e(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),$t.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new $e(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),$t.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new $e(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),$t.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=zt(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),$t.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=d.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new $e(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new $e(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),$t.positions+=this._pickTrianglePositionsBuf.numItems,$t.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),qt.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=qt.getPositionsBounds(e),s=qt.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),qt.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),qt.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=d.AABB3()),d.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=d.OBB3()),d.positions3ToAABB3(this._state.positions,ei,this._state.positionsDecodeMatrix),d.AABB3ToOBB3(ei,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),$t.meshes--}}function ii(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class si extends R{get type(){return"Material"}constructor(e,t={}){super(e,t),m.memory.materials++}destroy(){super.destroy(),m.memory.materials--}}const ri={opaque:0,mask:1,blend:2},oi=["opaque","mask","blend"];class ni extends si{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new vt({type:"PhongMaterial",ambient:d.vec3([1,1,1]),diffuse:d.vec3([1,1,1]),specular:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=ri[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return oi[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const ai={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class li extends si{get type(){return"EmphasisMaterial"}get presets(){return ai}constructor(e,t={}){super(e,t),this._state=new vt({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=ai[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(ai).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Ai={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class hi extends si{get type(){return"EdgeMaterial"}get presets(){return Ai}constructor(e,t={}){super(e,t),this._state=new vt({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=Ai[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Ai).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const ci={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class ui extends R{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=d.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return ci}set units(e){e||(e="meters");ci[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=d.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=d.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class di extends R{constructor(e,t={}){super(e,t),this._supported=je.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class pi extends R{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const fi={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class gi extends si{get type(){return"PointsMaterial"}get presets(){return fi}constructor(e,t={}){super(e,t),this._state=new vt({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=fi[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(fi).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const mi={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class _i extends si{get type(){return"LinesMaterial"}get presets(){return mi}constructor(e,t={}){super(e,t),this._state=new vt({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=mi[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(mi).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function vi(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class bi extends R{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new Ve(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new gt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=d.vec4([0,0,0,0]),t=d.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new mt(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new ui(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new di(this,{enabled:t.saoEnabled}),this.crossSections=new pi(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,I._addScene(this),this._initDefaults(),this._viewport=new bt(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new Qt(this,{id:"default.camera",dontClear:!0}),new jt(this,{color:[1,1,1],intensity:.7}),new Ht(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Ht(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+y.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=d.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],y.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&I.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=d.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||ii(ti)}get material(){return this.components["default.material"]||new ni(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new li(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new li(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new li(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new hi(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new gi(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new _i(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=d.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=d.AABB3());let e,t=d.MAX_DOUBLE,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MIN_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=vi(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=vi(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(y.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MAX_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE,a=d.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=d.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){y.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=d.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const yi=1e3,xi=1001,Bi=1002,wi=1003,Pi=1004,Ci=1004,Mi=1005,Ei=1005,Fi=1006,Ii=1007,Di=1007,Si=1008,Ti=1008,Ri=1009,Li=1010,Ui=1011,Oi=1012,ki=1013,Ni=1014,Qi=1015,Vi=1016,Hi=1017,ji=1018,Gi=1020,zi=1021,Wi=1022,Ki=1023,Xi=1024,Ji=1025,Yi=1026,Zi=1027,qi=1028,$i=1029,es=1030,ts=1031,is=1033,ss=33776,rs=33777,os=33778,ns=33779,as=35840,ls=35841,As=35842,hs=35843,cs=36196,us=37492,ds=37496,ps=37808,fs=37809,gs=37810,ms=37811,_s=37812,vs=37813,bs=37814,ys=37815,xs=37816,Bs=37817,ws=37818,Ps=37819,Cs=37820,Ms=37821,Es=36492,Fs=3e3,Is=3001,Ds=1e4,Ss=10001,Ts=10002,Rs=10003,Ls=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=ks(e),u=s.getNumAllocatedSectionPlanes()>0,d=Os(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=ks(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=Os(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Us[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Us[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Us[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Us[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Us[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Us[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Us={};function Os(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function ks(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Us[3e3]="linearToLinear",Us[3001]="sRGBToLinear";const Ns=d.vec3(),Qs=new e({}),Vs=function(e,t){this.id=Qs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ls(t),this._allocate(t)},Hs={};Vs.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=Hs[i];if(!s){if(s=new Vs(i,e),s.errors)return console.log(s.errors.join("\n")),null;Hs[i]=s,m.memory.programs++}return s._useCount++,s},Vs.prototype.put=function(){0==--this._useCount&&(Qs.removeItem(this.id),this._program&&this._program.destroy(),delete Hs[this._hash],m.memory.programs--)},Vs.prototype.webglContextRestored=function(){this._program=null},Vs.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=je.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=ee(i.dist,i.dir,c,Ns);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},Vs.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},Vs.prototype._bindProgram=function(e){const t=je.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class js{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Gs=new e({}),zs=d.vec3(),Ws=function(e,t){this.id=Gs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new js(t),this._allocate(t)},Ks={};Ws.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ks[t];return i||(i=new Ws(t,e),Ks[t]=i,m.memory.programs++),i._useCount++,i},Ws.prototype.put=function(){0==--this._useCount&&(Gs.removeItem(this.id),this._program&&this._program.destroy(),delete Ks[this._hash],m.memory.programs--)},Ws.prototype.webglContextRestored=function(){this._program=null},Ws.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=ee(i.dist,i.dir,A,zs);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Ws.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new qe(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Ws.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class Xs{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Js=new e({}),Ys=d.vec3(),Zs=function(e,t){this.id=Js.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Xs(t),this._allocate(t)},qs={};Zs.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=qs[t];return i||(i=new Zs(t,e),qs[t]=i,m.memory.programs++),i._useCount++,i},Zs.prototype.put=function(){0==--this._useCount&&(Js.removeItem(this.id),this._program&&this._program.destroy(),delete qs[this._hash],m.memory.programs--)},Zs.prototype.webglContextRestored=function(){this._program=null},Zs.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=ee(i.dist,i.dir,h,Ys);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},Zs.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Zs.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class $s{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const er=d.vec3(),tr=function(e,t){this._hash=e,this._shaderSource=new $s(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},ir={};tr.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=ir[t];if(!i){if(i=new tr(t,e),i.errors)return console.log(i.errors.join("\n")),null;ir[t]=i,m.memory.programs++}return i._useCount++,i},tr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete ir[this._hash],m.memory.programs--)},tr.prototype.webglContextRestored=function(){this._program=null},tr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=ee(i.dist,i.dir,a,er);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},tr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},tr.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class sr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const rr=d.vec3(),or=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new sr(t),this._allocate(t)},nr={};or.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=nr[t];if(!i){if(i=new or(t,e),i.errors)return console.log(i.errors.join("\n")),null;nr[t]=i,m.memory.programs++}return i._useCount++,i},or.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete nr[this._hash],m.memory.programs--)},or.prototype.webglContextRestored=function(){this._program=null},or.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=ee(i.dist,i.dir,l,rr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},or.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new qe(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class ar{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const lr=d.vec3(),Ar=function(e,t){this._hash=e,this._shaderSource=new ar(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},hr={};Ar.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=hr[t];if(!i){if(i=new Ar(t,e),i.errors)return console.log(i.errors.join("\n")),null;hr[t]=i,m.memory.programs++}return i._useCount++,i},Ar.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete hr[this._hash],m.memory.programs--)},Ar.prototype.webglContextRestored=function(){this._program=null},Ar.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=ee(i.dist,i.dir,a,lr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Ar.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Ar.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class cr{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const ur=function(e,t){this._hash=e,this._shaderSource=new cr(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},dr={};ur.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=dr[i];if(!s){if(s=new ur(i,e),s.errors)return console.log(s.errors.join("\n")),null;dr[i]=s,m.memory.programs++}return s._useCount++,s},ur.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete dr[this._hash],m.memory.programs--)},ur.prototype.webglContextRestored=function(){this._program=null},ur.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},ur.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new qe(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},ur.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class pr{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const fr=d.OBB3(),gr=d.vec4(),mr=d.vec4(),_r=d.vec4(),vr=d.vec3([1,0,0]),br=d.vec3([0,1,0]),yr=d.vec3([0,0,1]),xr=d.vec3(3),Br=d.vec3(3),wr=d.identityMat4();class Pr extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new pr,this._state=new vt({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:d.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._worldMatrix=d.identityMat4(),this._worldNormalMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=d.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=d.identityMat4()),this.__localMatrix.set(e||wr),d.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=d.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Vs.get(this),this._emphasisFillRenderer=Ws.get(this),this._emphasisEdgesRenderer=Zs.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=tr.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=Ar.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=d.mat4()),d.transposeMat4(this._worldMatrix,this._worldNormalMatrix),d.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){d.transformOBB3(e,this._geometry.obb,fr),d.OBB3ToAABB3(fr,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return gr[0]=e[0],gr[1]=e[1],gr[2]=e[2],gr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(gr,mr),d.mulQuaternions(this.quaternion,mr,_r),this.quaternion=_r,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return gr[0]=e[0],gr[1]=e[1],gr[2]=e[2],gr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(gr,mr),d.mulQuaternions(mr,this.quaternion,mr),this}rotateX(e){return this.rotate(vr,e)}rotateY(e){return this.rotate(br,e)}rotateZ(e){return this.rotate(yr,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,xr),d.mulVec3Scalar(xr,t,Br),d.addVec3(this.position,Br,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(vr,e)}translateY(e){return this.translate(br,e)}translateZ(e){return this.translate(yr,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=Vs.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=Vs.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ws.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ws.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ws.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Zs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=Ar.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=ur.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=tr.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=or.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){Cr(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const Cr=function(){const e=d.vec3(),t=d.vec3(),i=d.vec3(),s=d.vec3(),r=d.vec3(),o=d.vec3(),n=d.vec4(),a=d.vec3(),l=d.vec3(),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3(),m=d.vec4(),_=d.vec4(),v=d.vec4(),b=d.vec3(),y=d.vec3(),x=d.vec3(),B=d.vec3(),w=d.vec3(),P=d.vec3(),C=d.vec3(),M=d.vec3(),E=d.vec3(),F=d.vec3(),I=d.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let W,K,X;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,W=3*O,K=3*k,X=3*N}else W=3*V,K=W+3,X=K+3;if(i[0]=z[W+0],i[1]=z[W+1],i[2]=z[W+2],s[0]=z[K+0],s[1]=z[K+1],s[2]=z[K+2],r[0]=z[X+0],r[1]=z[X+1],r[2]=z[X+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(qt.decompressPosition(i,e,i),qt.decompressPosition(s,e,s),qt.decompressPosition(r,e,r))}L.canvasPos?d.canvasPosToLocalRay(j.canvas,D.origin?Y(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&d.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),d.normalizeVec3(t),d.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,d.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,d.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,d.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const J=Q.normals;if(J){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;qt.decompressNormal(J.subarray(e,e+2),h),qt.decompressNormal(J.subarray(t,t+2),c),qt.decompressNormal(J.subarray(i,i+2),u)}else h[0]=J[W],h[1]=J[W+1],h[2]=J[W+2],c[0]=J[K],c[1]=J[K+1],c[2]=J[K+2],u[0]=J[X],u[1]=J[X+1],u[2]=J[X+2];const e=d.addVec3(d.addVec3(d.mulVec3Scalar(h,A[0],b),d.mulVec3Scalar(c,A[1],y),x),d.mulVec3Scalar(u,A[2],B),w);L.worldNormal=d.normalizeVec3(d.transformVec3(D.worldNormalMatrix,e,P))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(qt.decompressUV(p,e,p),qt.decompressUV(f,e,f),qt.decompressUV(g,e,g))}L.uv=d.addVec3(d.addVec3(d.mulVec2Scalar(p,A[0],C),d.mulVec2Scalar(f,A[1],M),E),d.mulVec2Scalar(g,A[2],F),I)}}}}}();function Mr(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),o<1&&(o=1);const n=!!e.openEnded;let a=e.center;const l=a?a[0]:0,A=a?a[1]:0,h=a?a[2]:0,c=s/2,u=s/o,d=2*Math.PI/r,p=1/r,f=(t-i)/o,g=[],m=[],_=[],v=[];let b,x,B,w,P,C,M,E,F,I,D;const S=(90-180*Math.atan(s/(i-t))/Math.PI)/90;for(b=0;b<=o;b++)for(P=t-b*f,C=c-b*u,x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),m.push(P*B),m.push(S),m.push(P*w),_.push(x*p),_.push(1*b/o),g.push(P*B+l),g.push(C+A),g.push(P*w+h);for(b=0;b<o;b++)for(x=0;x<=r;x++)M=b*(r+1)+x,E=M+r,v.push(M),v.push(E),v.push(E+1),v.push(M),v.push(E+1),v.push(M+1);if(!n&&t>0){for(F=g.length/3,m.push(0),m.push(1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(c+A),g.push(0+h),x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),I=.5*Math.sin(x*d)+.5,D=.5*Math.cos(x*d)+.5,m.push(t*B),m.push(1),m.push(t*w),_.push(I),_.push(D),g.push(t*B+l),g.push(c+A),g.push(t*w+h);for(x=0;x<r;x++)a=F,M=F+1+x,v.push(M),v.push(M+1),v.push(a)}if(!n&&i>0){for(F=g.length/3,m.push(0),m.push(-1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(0-c+A),g.push(0+h),x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),I=.5*Math.sin(x*d)+.5,D=.5*Math.cos(x*d)+.5,m.push(i*B),m.push(-1),m.push(i*w),_.push(I),_.push(D),g.push(i*B+l),g.push(0-c+A),g.push(i*w+h);for(x=0;x<r;x++)a=F,M=F+1+x,v.push(a),v.push(M+1),v.push(M)}return y.apply(e,{positions:g,normals:m,uv:_,indices:v})}function Er(e={}){const t=e.lod||1,i=e.center?e.center[0]:0,s=e.center?e.center[1]:0,r=e.center?e.center[2]:0;let o=e.radius||1;o<0&&(console.error("negative radius not allowed - will invert"),o*=-1);let n=e.heightSegments||18;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n=Math.floor(t*n),n<18&&(n=18);let a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),a=Math.floor(t*a),a<18&&(a=18);const l=[],A=[],h=[],c=[];let u,d,p,f,g,m,_,v,b,x,B,w,P,C,M;for(u=0;u<=n;u++)for(p=u*Math.PI/n,f=Math.sin(p),g=Math.cos(p),d=0;d<=a;d++)m=2*d*Math.PI/a,_=Math.sin(m),v=Math.cos(m),b=v*f,x=g,B=_*f,w=1-d/a,P=u/n,A.push(b),A.push(x),A.push(B),h.push(w),h.push(P),l.push(i+o*b),l.push(s+o*x),l.push(r+o*B);for(u=0;u<n;u++)for(d=0;d<a;d++)C=u*(a+1)+d,M=C+a+1,c.push(C+1),c.push(M+1),c.push(M),c.push(C+1),c.push(M),c.push(C);return y.apply(e,{positions:l,normals:A,uv:h,indices:c})}const Fr={" 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[8,1],[7,0],[6,-2],[6,-4],[7,-6],[-1,-1],[6,8],[8,6],[8,4],[7,2],[6,1],[5,-1],[5,-3],[6,-5],[7,-6],[9,-7]]},"|":{width:8,points:[[4,25],[4,-7]]},"}":{width:14,points:[[5,25],[7,24],[8,23],[9,21],[9,19],[8,17],[7,16],[6,14],[6,12],[8,10],[-1,-1],[7,24],[8,22],[8,20],[7,18],[6,17],[5,15],[5,13],[6,11],[10,9],[6,7],[5,5],[5,3],[6,1],[7,0],[8,-2],[8,-4],[7,-6],[-1,-1],[8,8],[6,6],[6,4],[7,2],[8,1],[9,-1],[9,-3],[8,-5],[7,-6],[5,-7]]},"~":{width:24,points:[[3,6],[3,8],[4,11],[6,12],[8,12],[10,11],[14,8],[16,7],[18,7],[20,8],[21,10],[-1,-1],[3,8],[4,10],[6,11],[8,11],[10,10],[14,7],[16,6],[18,6],[20,7],[21,10],[21,12]]}};function Ir(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;y.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,_=(l||"").split("\n"),v=0,b=0,x=.04,B=0;B<_.length;B++){A=0,c=(h=_[B]).length;for(var w=0;w<c;w++)if(u=Fr[h.charAt(w)]){d=1,p=-1,f=-1,g=u.points.length;for(var P=0;P<g;P++)-1!==(m=u.points[P])[0]||-1!==m[1]?(n.push(A+m[0]*o*x+i),n.push(b+m[1]*o*x+s),n.push(0+r),-1===p?p=v:(-1===f||(p=f),f=v),v++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*x*o}b-=35*x*o}return y.apply(e,{primitive:"lines",positions:n,indices:a})}class Dr extends z{constructor(e,t){super("AxisGizmo",e,t=t||{});const i=e.scene.camera;t.canvasId||t.canvasElement||this.error("Config expected: either 'canvasId' or 'canvasElement'");try{this._axisGizmoScene=new bi(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0})}catch(e){return void this.error(e)}const s=this._axisGizmoScene;s.clearLights(),new jt(s,{color:[.45,.45,.5],intensity:.9}),new Ht(s,{dir:[-.5,.5,-.6],color:[.8,.8,.7],intensity:1,space:"view"}),new Ht(s,{dir:[.5,-.5,-.6],color:[.8,.8,.8],intensity:1,space:"view"});const r=s.camera;i.on("matrix",(function(){const e=i.eye,t=i.look,s=i.up,o=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(e,t,[])),22);r.look=[0,0,0],r.eye=o,r.up=s}));const o=new ti(s,Mr({radiusTop:.01,radiusBottom:.6,height:1.7,radialSegments:20,heightSegments:1,openEnded:!1})),n=new ti(s,Mr({radiusTop:.2,radiusBottom:.2,height:4.5,radialSegments:20,heightSegments:1,openEnded:!1})),a=new ni(s,{diffuse:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),l=new ni(s,{emissive:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),A=new ni(s,{diffuse:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),h=new ni(s,{emissive:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),c=new ni(s,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),u=new ni(s,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),p=new ni(s,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});this._meshes=[new Pr(s,{geometry:new ti(s,Er({radius:9,heightSegments:60,widthSegments:60})),material:new ni(s,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==t.visible}),new Pr(s,{geometry:new ti(s,Er({radius:1})),material:p,pickable:!1,collidable:!1,visible:!1!==t.visible}),new Pr(s,{geometry:o,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[5,0,0],rotation:[0,0,-90]}),new Pr(s,{geometry:n,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[2,0,0],rotation:[0,0,90]}),new Pr(s,{geometry:new ti(s,Ir({text:"X",size:1.5})),material:l,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[7,0,0],billboard:"spherical"}),new Pr(s,{geometry:o,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,5,0]}),new Pr(s,{geometry:n,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,2,0]}),new Pr(s,{geometry:new ti(s,Ir({text:"Y",size:1.5})),material:h,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,7,0],billboard:"spherical"}),new Pr(s,{geometry:o,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,5],rotation:[90,0,0]}),new Pr(s,{geometry:n,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,2],rotation:[90,0,0]}),new Pr(s,{geometry:new ti(s,Ir({text:"Z",size:1.5})),material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,7],billboard:"spherical"})]}setVisible(e){for(let t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}destroy(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,super.destroy()}}d.vec3();class Sr extends R{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new vt({active:!0,pos:d.vec3(),dir:d.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){d.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const Tr=d.vec4(4),Rr=d.vec4(),Lr=d.vec4(),Ur=d.vec3([1,0,0]),Or=d.vec3([0,1,0]),kr=d.vec3([0,0,1]),Nr=d.vec3(3),Qr=d.vec3(3),Vr=d.identityMat4();class Hr extends R{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._offset=d.vec3(),this._localMatrix=d.identityMat4(),this._worldMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=d.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;d.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&d.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+y.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+y.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||Vr),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Tr[0]=e[0],Tr[1]=e[1],Tr[2]=e[2],Tr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Tr,Rr),d.mulQuaternions(this.quaternion,Rr,Lr),this.quaternion=Lr,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Tr[0]=e[0],Tr[1]=e[1],Tr[2]=e[2],Tr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Tr,Rr),d.mulQuaternions(Rr,this.quaternion,Rr),this}rotateX(e){return this.rotate(Ur,e)}rotateY(e){return this.rotate(Or,e)}rotateZ(e){return this.rotate(kr,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,Nr),d.mulVec3Scalar(Nr,t,Qr),d.addVec3(this.position,Qr,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Ur,e)}translateY(e){return this.translate(Or,e)}translateZ(e){return this.translate(kr,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class jr extends si{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new vt({type:"LambertMaterial",ambient:d.vec3([1,1,1]),color:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const Gr={opaque:0,mask:1,blend:2},zr=["opaque","mask","blend"];class Wr extends si{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new vt({type:"MetallicMaterial",baseColor:d.vec4([1,1,1]),emissive:d.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=Gr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return zr[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const Kr={opaque:0,mask:1,blend:2},Xr=["opaque","mask","blend"];class Jr extends si{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new vt({type:"SpecularMaterial",diffuse:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),specular:d.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=Kr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Xr[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function Yr(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=ft(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=ft(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=ft(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=ft(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=ft(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=ft(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=ft(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const Zr=new Uint8Array([0,0,0,1]);class qr{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(Zr[0]=Math.floor(255*e[0]),Zr[1]=Math.floor(255*e[1]),Zr[2]=Math.floor(255*e[2]),Zr[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(Zr[0]=0,Zr[1]=0,Zr[2]=0,Zr[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Zr)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Zr);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=Yr(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=Yr(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=Yr(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=Yr(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=Yr(i,this.format,this.encoding),d=Yr(i,this.type),p=$r(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(y.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=Yr(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=Yr(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=Yr(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,eo(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,eo(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Yr(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Yr(i,this.magFilter)));const a=Yr(i,this.format,this.encoding),l=Yr(i,this.type),A=$r(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=Yr(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=Yr(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=Yr(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=Yr(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function $r(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||ft(e,"EXT_color_buffer_float"),n}function eo(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function to(e){if(!io(e.width)||!io(e.height)){const t=document.createElement("canvas");t.width=so(e.width),t.height=so(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function io(e){return 0==(e&e-1)}function so(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class ro extends R{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new vt({texture:new qr({gl:this.scene.canvas.gl}),matrix:d.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=d.vec2([0,0]),this._scale=d.vec2([1,1]),this._rotate=d.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),m.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new qr({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=d.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=d.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?d.mulMat4(t,i):i),0!==this._rotate&&(i=d.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?d.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=to(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=to(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),m.memory.textures--}}class oo extends R{get type(){return"Fresnel"}constructor(e,t={}){super(e,t),this._state=new vt({edgeColor:d.vec3([0,0,0]),centerColor:d.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),this.edgeColor=t.edgeColor,this.centerColor=t.centerColor,this.edgeBias=t.edgeBias,this.centerBias=t.centerBias,this.power=t.power}set edgeColor(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set centerColor(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}get centerColor(){return this._state.centerColor}set edgeBias(e){this._state.edgeBias=e||0,this.glRedraw()}get edgeBias(){return this._state.edgeBias}set centerBias(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}get centerBias(){return this._state.centerBias}set power(e){this._state.power=null!=e?e:1,this.glRedraw()}get power(){return this._state.power}destroy(){super.destroy(),this._state.destroy()}}const no=m.memory,ao=d.AABB3();class lo extends Gt{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new vt({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=d.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=qt.getPositionsBounds(t.positions),o=qt.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new $e(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),no.positions+=i.positionsBuf.numItems,d.positions3ToAABB3(t.positions,this._aabb),d.positions3ToAABB3(r,ao,i.positionsDecodeMatrix),d.AABB3ToOBB3(ao,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new $e(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),no.colors+=i.colorsBuf.numItems}if(t.uv){const e=qt.getUVBounds(t.uv),r=qt.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new $e(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),no.uvs+=i.uvBuf.numItems}if(t.normals){const e=qt.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new $e(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),no.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new $e(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),no.indices+=i.indicesBuf.numItems;const o=zt(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new $e(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),no.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),no.meshes--}}var Ao={};function ho(e,t={}){return new Promise((function(i,s){t.src||(console.error("load3DSGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),r.processes--,s());var o=Ao.parse.from3DS(e).edit.objects[0].mesh,n=o.vertices,a=o.uvt,l=o.indices;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),r.processes--,s()}))}))}function co(e,t={}){return new Promise((function(i,s){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),r.processes--,s());for(var o=Ao.parse.fromOBJ(e),n=Ao.edit.unwrap(o.i_verts,o.c_verts,3),a=Ao.edit.unwrap(o.i_norms,o.c_norms,3),l=Ao.edit.unwrap(o.i_uvt,o.c_uvt,2),A=new Int32Array(o.i_verts.length),h=0;h<o.i_verts.length;h++)A[h]=h;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:A}))}),(function(e){console.error("loadOBJGeometry: "+e),r.processes--,s()}))}))}function uo(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function po(e={}){return uo({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function fo(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return y.apply(e,{primitive:"lines",positions:o,indices:n})}function go(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),_=new Float32Array(d*p*3),v=new Float32Array(d*p*2);let b,x,B,w,P,C,M,E=0,F=0;for(b=0;b<p;b++){const e=b*g-h;for(x=0;x<d;x++)B=x*f-A,m[E]=B+n,m[E+1]=a,m[E+2]=-e+l,_[E+2]=-1,v[F]=x/c,v[F+1]=(u-b)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(b=0;b<u;b++)for(x=0;x<c;x++)w=x+d*b,P=x+d*(b+1),C=x+1+d*(b+1),M=x+1+d*b,I[E]=M,I[E+1]=P,I[E+2]=w,I[E+3]=M,I[E+4]=C,I[E+5]=P,E+=6;return y.apply(e,{positions:m,normals:_,uv:v,indices:I})}function mo(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],c=[],u=[],p=[];let f,g,m,_,v,b,x,B,w,P,C,M;for(B=0;B<=r;B++)for(x=0;x<=s;x++)f=x/s*o,g=.785398+B/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),_=(t+i*Math.cos(g))*Math.sin(f),v=i*Math.sin(g),h.push(m+a),h.push(_+l),h.push(v+A),u.push(1-x/s),u.push(B/r),b=d.normalizeVec3(d.subVec3([m,_,v],[a,l,A],[]),[]),c.push(b[0]),c.push(b[1]),c.push(b[2]);for(B=1;B<=r;B++)for(x=1;x<=s;x++)w=(s+1)*B+x-1,P=(s+1)*(B-1)+x-1,C=(s+1)*(B-1)+x,M=(s+1)*B+x,p.push(w),p.push(P),p.push(C),p.push(C),p.push(M),p.push(w);return y.apply(e,{positions:h,normals:c,uv:u,indices:p})}function _o(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return y.apply(e,{primitive:"lines",positions:e.points,indices:i})}function vo(e={}){let t=e.curve.getPoints(e.divisions).map((e=>[...e])).flat();return _o({id:e.id,points:t})}function bo(e={}){if(3!==e.startPoint.length)throw"Start point should contain 3 elements in array: x, y and z";if(3!==e.endPoint.length)throw"End point should contain 3 elements in array: x, y and z";let t=[],i=[],s=e.startPoint[0],r=e.startPoint[1],o=e.startPoint[2],n=e.endPoint[0],a=e.endPoint[1],l=e.endPoint[2],A=Math.sqrt((n-s)**2+(a-r)**2+(l-o)**2),h=[(n-s)/A,(a-r)/A,(l-o)/A];if(e.pattern){let c=e.pattern.length,u=!1,d=0,p=0,f=0,g=[s,r,o],m=e.pattern[p];for(i.push(g[0],g[1],g[2]);m<=A-d;){let s=[h[0]*m,h[1]*m,h[2]*m],r=[g[0]+s[0],g[1]+s[1],g[2]+s[2]];i.push(r[0],r[1],r[2]),u||(t.push(f),t.push(f+1)),u=!u,f+=1,g=r,p+=1,p>=c&&(p=0),d+=m,m=e.pattern[p]}e.extendToEnd&&(i.push(n,a,l),t.push(t.length-2),t.push(t.length-1))}else t.push(0),t.push(1),i.push(s,r,o,n,a,l);return y.apply(e,{primitive:"lines",positions:i,indices:t})}Ao.load=function(e,t){var i=new 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i.id=Ao.bin.ril(e,0),i.verS=Ao.bin.ril(e,4),i.texS=Ao.bin.ril(e,8),i.indS=Ao.bin.ril(e,12),i.verO=Ao.bin.ril(e,16),i.verL=Ao.bin.ril(e,20),i.texO=Ao.bin.ril(e,24),i.texL=Ao.bin.ril(e,28),i.indO=Ao.bin.ril(e,32),i.indL=Ao.bin.ril(e,36),0!=i.verO&&(t.vertices=Ao.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=Ao.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=Ao.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},Ao.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var s=32;t<=65535&&(s=16);var r=40;e.vertices&&(r+=4*e.vertices.length),e.uvt&&(r+=4*e.uvt.length),e.indices&&(r+=e.indices.length*s/8);var o=new Uint8Array(r);Ao.bin.wil(o,0,1769365870),Ao.bin.wil(o,4,32),Ao.bin.wil(o,8,32),Ao.bin.wil(o,12,s);var n=40;return e.vertices&&(Ao.bin.wil(o,16,n),Ao.bin.wil(o,20,4*e.vertices.length),Ao.parse.fromBIV._writeFloats(o,n,e.vertices),n+=4*e.vertices.length),e.uvt&&(Ao.bin.wil(o,24,n),Ao.bin.wil(o,28,4*e.uvt.length),Ao.parse.fromBIV._writeFloats(o,n,e.uvt),n+=4*e.uvt.length),e.indices&&(Ao.bin.wil(o,32,n),Ao.bin.wil(o,36,4*e.indices.length),Ao.parse.fromBIV._writeInts(o,n,e.indices,s)),o.buffer},Ao.parse.fromBIV._readFloats=function(e,t,i){for(var s=[],r=0;r<i/4;r++)s.push(Ao.bin.rf(e,t+4*r));return s},Ao.parse.fromBIV._writeFloats=function(e,t,i){for(var s=0;s<i.length;s++)Ao.bin.wf(e,t+4*s,i[s])},Ao.parse.fromBIV._readInts=function(e,t,i,s){for(var r=[],o=0;o<i/4;o++)16==s&&r.push(Ao.bin.rsl(e,t+2*o)),32==s&&r.push(Ao.bin.ril(e,t+4*o));return r},Ao.parse.fromBIV._writeInts=function(e,t,i,s){for(var r=0;r<i.length;r++)16==s&&Ao.bin.wsl(e,t+2*r,i[r]),32==s&&Ao.bin.wil(e,t+4*r,i[r])},Ao.gen={},Ao.gen.Plane=function(e,t,i,s){i||(i=1),s||(s=1);for(var r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},Ao.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},Ao.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},Ao.mat={},Ao.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},Ao.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},Ao.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return Ao.mat.rotate(e*s,t*s,i*s)},Ao.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},Ao.edit={},Ao.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},Ao.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},Ao.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},Ao.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},Ao.utils={},Ao.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class yo extends R{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=d.vec3(t.pos||[0,0,0]),this._up=d.vec3(t.up||[0,1,0]),this._normal=d.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=d.vec3(),this._rtcPos=d.vec3(),this._imageSize=d.vec2(),this._texture=new ro(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new Hr(this,{matrix:d.inverseMat4(d.lookAtMat4v(this._pos,d.subVec3(this._pos,this._normal,d.mat4()),this._up,d.mat4())),children:[this._bitmapMesh=new Pr(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new ti(this,go({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new ni(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const xo=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},Bo=d.vec3(),wo=d.vec3(),Po=d.vec3();class Co{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!xo(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Bo[0]=e[r],Bo[1]=e[r+1],Bo[2]=e[r+2],wo[0]=e[o],wo[1]=e[o+1],wo[2]=e[o+2],Po[0]=e[n],Po[1]=e[n+1],Po[2]=e[n+2],d.cross3Vec3(Bo,wo,Bo),i+=d.dotVec3(Bo,Po)}return i/6}}const Mo=new Co,Eo=d.vec3(),Fo=d.vec3(),Io=d.vec3(),Do=d.vec3(),So=d.vec3(),To=d.vec3();class Ro{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Eo[0]=e[r],Eo[1]=e[r+1],Eo[2]=e[r+2],Fo[0]=e[o],Fo[1]=e[o+1],Fo[2]=e[o+2],Io[0]=e[n],Io[1]=e[n+1],Io[2]=e[n+2],d.subVec3(Eo,Fo,Do),d.subVec3(Io,Fo,So),i+=.5*d.lenVec3(d.cross3Vec3(Do,So,To))}return i}}const Lo=new Ro,Uo=d.OBB3(),Oo=d.OBB3(),ko=d.OBB3();class No{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=d.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Mo.reset(),Mo.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{Mo.addVertex(e)})),this.getEachIndex((e=>{Mo.addIndex(e)})),this._volume=Mo.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Lo.reset(),this.getEachVertex((e=>{Lo.addVertex(e)})),this.getEachIndex((e=>{Lo.addIndex(e)})),this._surfaceArea=Lo.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);const t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}get aabb(){return this._aabbWorldDirty&&(d.AABB3ToOBB3(this._aabbLocal,Uo),this.transform?(d.transformOBB3(this.transform.worldMatrix,Uo,Oo),d.transformOBB3(this.model.worldMatrix,Oo,ko),d.OBB3ToAABB3(ko,this._aabbWorld)):(d.transformOBB3(this.model.worldMatrix,Uo,Oo),d.OBB3ToAABB3(Oo,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const Qo=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let Vo=0;const Ho={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},jo=new Float32Array([1,1,1,1]),Go=new Float32Array([0,0,0,1]),zo=d.vec4(),Wo=d.vec3(),Ko=d.vec3(),Xo=d.mat4();class Jo{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const r=this._uSectionPlanes[t];if(r)if(t<n){const o=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(r.active,o?1:0),o){const o=a[t],n=e._state.origin;if(n){const e=ee(o.dist,o.dir,n,Wo,s.matrix);i.uniform3fv(r.pos,e)}else i.uniform3fv(r.pos,o.pos);i.uniform3fv(r.dir,o.dir)}}else i.uniform1i(r.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=je.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:c,positionsDecodeMatrix:u}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,worldNormalMatrix:x}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let B=0;const w=16;this._matricesUniformBlockBufferData.set(y,0);const P=0!==c[0]||0!==c[1]||0!==c[2],C=0!==b[0]||0!==b[1]||0!==b[2];if(P||C){const e=Wo;if(P){const t=d.transformPoint3(y,c,Ko);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(Y(v,e,Xo),B+=w)}else this._matricesUniformBlockBufferData.set(v,B+=w);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,B+=w),this._matricesUniformBlockBufferData.set(u,B+=w),this._matricesUniformBlockBufferData.set(x,B+=w),this._matricesUniformBlockBufferData.set(m,B+=w),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;zo[0]=i,zo[1]=s,zo[2]=t.blendCutoff,zo[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,zo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===Ho[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Ho[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Ho[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?Go:jo)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,m.memory.programs--}}class Yo extends Jo{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class Zo extends Yo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class qo extends Yo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class $o extends Yo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class en extends Yo{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class tn extends en{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class sn extends en{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class rn extends Yo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class on extends Yo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class nn extends Yo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class an extends Yo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class ln extends Yo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class An extends Yo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class hn extends Yo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class cn extends Yo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class un extends Yo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class dn extends Yo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const pn=d.vec3(),fn=d.vec3(),gn=d.vec3(),mn=d.vec3(),_n=d.mat4();class vn extends Jo{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=pn;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=fn;if(l){const e=gn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,_n),g=mn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const bn=d.vec3(),yn=d.vec3(),xn=d.vec3(),Bn=d.vec3(),wn=d.mat4();class Pn extends Jo{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=bn;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=yn;if(l){const e=xn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,wn),g=Bn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Cn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new $o(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new rn(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new on(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new vn(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Pn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Zo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Zo(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new qo(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new qo(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new dn(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new dn(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new dn(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new dn(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new cn(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new cn(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new $o(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new ln(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new An(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new tn(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new sn(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new rn(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new nn(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new un(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new on(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new an(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new hn(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Pn(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new vn(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Mn={};let En=65536,Fn=5e6;class In{constructor(){}set doublePrecisionEnabled(e){d.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return d.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),En=e}get maxDataTextureHeight(){return En}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Fn=e}get maxGeometryBatchSize(){return Fn}}const Dn=new In;class Sn{constructor(e=Dn.maxGeometryBatchSize){this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const Tn=d.mat4(),Rn=d.mat4();function Ln(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,c=65525,u=c/l,p=c/A,f=c/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*u),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return d.identityMat4(Tn),d.translationMat4v(t,Tn),d.identityMat4(Rn),d.scalingMat4v([l/c,A/c,h/c],Rn),d.mulMat4(Tn,Rn,i),r}function Un(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return d.identityMat4(Tn),d.translationMat4v(e,Tn),d.identityMat4(Rn),d.scalingMat4v([o/l,n/l,a/l],Rn),d.mulMat4(Tn,Rn,t),t}function On(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function kn(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const Nn=d.mat4(),Qn=d.mat4(),Vn=d.vec4([0,0,0,1]),Hn=d.vec3(),jn=d.vec3(),Gn=d.vec3(),zn=d.vec3(),Wn=d.vec3(),Kn=d.vec3(),Xn=d.vec3();class Jn{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Mn[t];return i||(i=new Cn(e),Mn[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Mn[t],i._destroy()}))),i}(e.model.scene),this._buffer=new Sn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new vt({origin:d.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=d.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=d.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,c=t.edgeIndices,u=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let x;if(d.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";x=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";x=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=Nn;m?d.inverseMat4(d.transposeMat4(m,Qn),e):d.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,c,u=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)u[0]=t[c],u[1]=t[c+1],u[2]=t[c+2],d.transformVec3(e,u,p),d.normalizeVec3(p,p),l=n=On(p,"floor","floor"),a=kn(n),A=h=o(p,a),n=On(p,"ceil","floor"),a=kn(n),A=o(p,a),A>h&&(l=n,h=A),n=On(p,"floor","ceil"),a=kn(n),A=o(p,a),A>h&&(l=n,h=A),n=On(p,"ceil","ceil"),a=kn(n),A=o(p,a),A>h&&(l=n,h=A),s[r+c+0]=l[0],s[r+c+1]=l[1],s[r+c+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(u){const e=u[0],t=u[1],i=u[2],s=g;for(let r=0;r<x;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const B=null!=p?p:0,w=null!=f?f:255;for(let e=0;e<x;e++)b.metallicRoughness.push(B),b.metallicRoughness.push(w);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(c)for(let e=0,t=c.length;e<t;e++)b.edgeIndices.push(y+c[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*x;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<x;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const P=this._portions.length,C={vertsBaseIndex:y,numVerts:x,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),P}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Ln(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=d.mat4());if(e.positionsBuf=new $e(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new $e(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new $e(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new $e(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=qt.getUVBounds(i.uv),r=qt.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=d.mat3(r.decodeMatrix),e.uvBuf=new $e(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new $e(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new $e(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new $e(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new $e(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&te),A=!!(t&ne),h=!!(t&ae),c=!!(t&le),u=!!(t&Ae),d=!!(t&se),p=!!(t&ie);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,g=!l||p?Ho.NOT_RENDERED:c?Ho.SILHOUETTE_SELECTED:h?Ho.SILHOUETTE_HIGHLIGHTED:A?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let m=0;m=!l||p?Ho.NOT_RENDERED:c?Ho.EDGES_SELECTED:h?Ho.EDGES_HIGHLIGHTED:A?Ho.EDGES_XRAYED:u?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let _=l&&!p&&d?Ho.PICK:Ho.NOT_RENDERED;const v=t&re?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=this.model.matrix,n=d.vec4();n.set(i.origin,0),n[3]=1,d.mulMat4v4(o,n,n);const a=n[0],l=n[1],A=n[2],h=Vn,c=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)h[0]=r[e],h[1]=r[e+1],h[2]=r[e+2],h[3]=1,d.decompressPosition(h,c),h[3]=1,d.mulMat4v4(o,h,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ho.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Ho.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,c=Hn,u=jn;c.set(A?d.subVec3(t,A,Gn):t),u.set(i),h&&d.subVec3(c,h),d.transformRay(this.model.worldNormalMatrix,c,u,c,u);const p=zn,f=Wn,g=Kn;let m=!1,_=0;const v=Xn;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],d.decompressPosition(p,o.positionsDecodeMatrix),d.decompressPosition(f,o.positionsDecodeMatrix),d.decompressPosition(g,o.positionsDecodeMatrix),d.rayTriangleIntersect(c,u,p,f,g,v)){d.transformPoint3(this.model.worldMatrix,v,v),h&&d.addVec3(v,h),A&&d.addVec3(v,A);const e=Math.abs(d.lenVec3(d.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&d.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class Yn extends Jo{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class Zn extends Yn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class qn extends Yn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class $n extends Yn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class ea extends Yn{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class ta extends ea{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ia extends ea{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class sa extends Yn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class ra extends Yn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class oa extends Yn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class na extends Yn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class aa extends Yn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class la extends Yn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Aa extends Yn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const ha={3e3:"linearToLinear",3001:"sRGBToLinear"};class ca extends Yn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+ha[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+ha[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class ua extends Yn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class da extends Yn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const pa=d.vec3(),fa=d.vec3(),ga=d.vec3(),ma=d.vec3(),_a=d.mat4();class va extends Jo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=pa;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=fa;if(l){const e=d.transformPoint3(h,l,ga);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,_a),g=ma,g[0]=n.eye[0]-t[0],g[1]=n.eye[1]-t[1],g[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,g),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ba=d.vec3(),ya=d.vec3(),xa=d.vec3(),Ba=d.vec3(),wa=d.mat4();class Pa extends Jo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ba;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ya;if(l){const e=d.transformPoint3(h,l,xa);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,wa),g=Ba,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ca{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new $n(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new sa(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new ra(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new va(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Pa(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Zn(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Zn(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new qn(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new qn(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new da(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new da(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new da(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new da(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new ca(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new ca(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new $n(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new aa(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new la(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new ta(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new ia(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new sa(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new oa(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new ua(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ra(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new na(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Aa(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Pa(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new va(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Ma={};const Ea=new Uint8Array(4),Fa=new Float32Array(1),Ia=d.vec4([0,0,0,1]),Da=new Float32Array(3),Sa=d.vec3(),Ta=d.vec3(),Ra=d.vec3(),La=d.vec3(),Ua=d.vec3(),Oa=d.vec3(),ka=d.vec3(),Na=new Float32Array(4);class Qa{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Ma[t];return i||(i=new Ca(e),Ma[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Ma[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new vt({numInstances:0,obb:d.OBB3(),origin:d.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=d.transposeMat4(n,d.mat4()),t=d.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const c=this._portions.length,u={};return this.model.scene.readableGeometryEnabled&&(u.matrix=n.slice(),u.inverseMatrix=null,u.normalMatrix=null),this._portions.push(u),this._numPortions++,this.model.numPortions++,this._meshes.push(e),c}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new $e(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new $e(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new $e(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new $e(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=d.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new $e(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new $e(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new $e(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),t.edgeIndices&&t.edgeIndices.length>0&&(e.edgeIndicesBuf=new $e(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new $e(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new $e(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Ea[0]=t[0],Ea[1]=t[1],Ea[2]=t[2],Ea[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Ea,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&te),r=!!(t&ne),o=!!(t&ae),n=!!(t&le),a=!!(t&Ae),l=!!(t&se),A=!!(t&ie);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,c=!s||A?Ho.NOT_RENDERED:n?Ho.SILHOUETTE_SELECTED:o?Ho.SILHOUETTE_HIGHLIGHTED:r?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let u=0;u=!s||A?Ho.NOT_RENDERED:n?Ho.EDGES_SELECTED:o?Ho.EDGES_HIGHLIGHTED:r?Ho.EDGES_XRAYED:a?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Ho.PICK:Ho.NOT_RENDERED)<<12,d|=(t&re?1:0)<<16,Fa[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Fa,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Da[0]=t[0],Da[1]=t[1],Da[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Da,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=this.model.matrix,a=d.vec4();a.set(i.origin,0),a[3]=1,d.mulMat4v4(n,a,a);const l=a[0],A=a[1],h=a[2],c=Ia,u=r.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)c[0]=o[e],c[1]=o[e+1],c[2]=o[e+2],d.decompressPosition(c,p),d.transformPoint3(u,c,c),c[3]=1,d.mulMat4v4(n,c,c),c[0]+=l,c[1]+=A,c[2]+=h,t(c)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Na[0]=t[0],Na[1]=t[4],Na[2]=t[8],Na[3]=t[12],this._state.modelMatrixCol0Buf.setData(Na,i),Na[0]=t[1],Na[1]=t[5],Na[2]=t[9],Na[3]=t[13],this._state.modelMatrixCol1Buf.setData(Na,i),Na[0]=t[2],Na[1]=t[6],Na[2]=t[10],Na[3]=t[14],this._state.modelMatrixCol2Buf.setData(Na,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Ho.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=d.inverseMat4(a.matrix,d.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=d.transposeMat4(a.inverseMatrix,d.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,c=a.offset,u=Sa,p=Ta;u.set(h?d.subVec3(t,h,Ra):t),p.set(i),c&&d.subVec3(u,c),d.transformRay(this.model.worldNormalMatrix,u,p,u,p),d.transformRay(a.inverseMatrix,u,p,u,p);const f=La,g=Ua,m=Oa;let _=!1,v=0;const b=ka;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:x}=n.geometry;if(d.decompressPosition(f,x),d.decompressPosition(g,x),d.decompressPosition(m,x),d.rayTriangleIntersect(u,p,f,g,m,b)){d.transformPoint3(a.matrix,b,b),d.transformPoint3(this.model.worldMatrix,b,b),c&&d.addVec3(b,c),h&&d.addVec3(b,h);const e=Math.abs(d.lenVec3(d.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&d.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(d.transformVec3(a.normalMatrix,r,r),d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class Va extends Jo{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class Ha extends Va{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ja extends Va{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Ga=d.vec3(),za=d.vec3(),Wa=d.vec3(),Ka=d.vec3(),Xa=d.mat4();class Ja extends Jo{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ga;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=za;if(l){const e=Wa;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,Xa),g=Ka,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ya=d.vec3(),Za=d.vec3(),qa=d.vec3(),$a=d.vec3(),el=d.mat4();class tl extends Jo{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ya;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Za;if(l){const e=qa;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,el),g=$a,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class il{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Ha(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ja(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ja(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new tl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const sl={};class rl{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class ol{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=sl[t];return i||(i=new il(e),sl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete sl[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new rl(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new vt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(d.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new $e(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=Ln(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new $e(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new $e(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new $e(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new $e(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new $e(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&te),l=!!(t&ne),A=!!(t&ae),h=!!(t&le),c=!!(t&se),u=!!(t&ie);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,p=!a||u?Ho.NOT_RENDERED:h?Ho.SILHOUETTE_SELECTED:A?Ho.SILHOUETTE_HIGHLIGHTED:l?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let f=a&&!u&&c?Ho.PICK:Ho.NOT_RENDERED;const g=t&re?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class nl extends Jo{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class al extends nl{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class ll extends nl{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Al=d.vec3(),hl=d.vec3(),cl=d.vec3();d.vec3();const ul=d.mat4();class dl extends Jo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Al;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=hl;if(l){const e=d.transformPoint3(h,l,cl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,ul),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const pl=d.vec3(),fl=d.vec3(),gl=d.vec3();d.vec3();const ml=d.mat4();class _l extends Jo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=pl;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=fl;if(l){const e=d.transformPoint3(h,l,gl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,ml),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class vl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new dl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new _l(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new al(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ll(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new dl(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new _l(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const bl={};const yl=new Uint8Array(4),xl=new Float32Array(1),Bl=new Float32Array(3),wl=new Float32Array(4);class Pl{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=bl[t];return i||(i=new vl(e),bl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete bl[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new vt({obb:d.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=d.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new $e(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new $e(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new $e(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=d.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new $e(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";yl[0]=t[0],yl[1]=t[1],yl[2]=t[2],yl[3]=t[3],this._state.colorsBuf.setData(yl,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&te),r=!!(t&ne),o=!!(t&ae),n=!!(t&le),a=!!(t&Ae),l=!!(t&se),A=!!(t&ie);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,c=!s||A?Ho.NOT_RENDERED:n?Ho.SILHOUETTE_SELECTED:o?Ho.SILHOUETTE_HIGHLIGHTED:r?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let u=0;u=!s||A?Ho.NOT_RENDERED:n?Ho.EDGES_SELECTED:o?Ho.EDGES_HIGHLIGHTED:r?Ho.EDGES_XRAYED:a?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Ho.PICK:Ho.NOT_RENDERED)<<12,d|=(t&re?255:0)<<16,xl[0]=d,this._state.flagsBuf.setData(xl,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Bl[0]=t[0],Bl[1]=t[1],Bl[2]=t[2],this._state.offsetsBuf.setData(Bl,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;wl[0]=t[0],wl[1]=t[4],wl[2]=t[8],wl[3]=t[12],this._state.modelMatrixCol0Buf.setData(wl,i),wl[0]=t[1],wl[1]=t[5],wl[2]=t[9],wl[3]=t[13],this._state.modelMatrixCol1Buf.setData(wl,i),wl[0]=t[2],wl[1]=t[6],wl[2]=t[10],wl[3]=t[14],this._state.modelMatrixCol2Buf.setData(wl,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class Cl extends Jo{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class Ml extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class El extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class Fl extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Il extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Dl extends Cl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const Sl=d.vec3(),Tl=d.vec3(),Rl=d.vec3(),Ll=d.vec3(),Ul=d.mat4();class Ol extends Jo{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Sl;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Tl;if(l){const e=Rl;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,Ul),g=Ll,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform1f(this._uPointSize,1);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const kl=d.vec3(),Nl=d.vec3(),Ql=d.vec3(),Vl=d.vec3(),Hl=d.mat4();class jl extends Jo{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=kl;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Nl;if(l){const e=Ql;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,Hl),g=Vl,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Gl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Ml(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new El(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Fl(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Il(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Dl(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ol(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new jl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const zl={};class Wl{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=zl[t];return i||(i=new Gl(e),zl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete zl[t],i._destroy()}))),i}(e.model.scene);const t=e.maxGeometryBatchSize||5e6,i=function(){const e=[];return{append:function(t,i=1,s=1){e.push({data:t,times:i,denormalizeScale:s})},compileBuffer:function(t){let i=0;e.forEach((e=>{i+=e.times*e.data.length}));const s=new t(i);let r=0;return e.forEach((e=>{const t=e.data,i=e.denormalizeScale,o=s.subarray(r);if(1===i)o.set(t,0);else for(let e=0;e<t.length;++e)o[e]=t[e]*i;let n=t.length;const a=e.times*t.length;for(;n<a;){const e=Math.min(n,a-n);o.set(o.subarray(0,e),n),n+=e}r+=n})),s}}};this._buffer={maxVerts:t,positions:i(),colors:i(),pickColors:i(),vertsIndex:0},this._scratchMemory=e.scratchMemory,this._state=new vt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin))}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=this._buffer,s=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!s)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(s);const r=s.length/3,o=t.color,n=t.colorsCompressed,a=t.colors,l=t.pickColor;n?i.colors.append(n):a?i.colors.append(a,1,255):o&&i.colors.append([o[0],o[1],o[2],1],r),i.pickColors.append(l.slice(0,4),r),d.expandAABB3(this._modelAABB,t.aabb);const A=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(r),this._buffer.vertsIndex+=r,this._numPortions++,this.model.numPortions++,this._meshes.push(e),A}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,s=(e,i,s)=>e.length>0?new $e(t,t.ARRAY_BUFFER,e,e.length,i,s):null,r=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):Ln(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=s(r,3,t.STATIC_DRAW),e.flagsBuf=s(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=s(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=s(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?s(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&te),l=!!(t&ne),A=!!(t&ae),h=!!(t&le),c=!!(t&se),u=!!(t&ie);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,p=!a||u?Ho.NOT_RENDERED:h?Ho.SILHOUETTE_SELECTED:A?Ho.SILHOUETTE_HIGHLIGHTED:l?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let f=a&&!u&&c?Ho.PICK:Ho.NOT_RENDERED;const g=t&re?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class Kl extends Jo{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class Xl extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Jl extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Yl extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class Zl extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class ql extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class $l extends Kl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class eA extends Kl{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const tA=d.vec3(),iA=d.vec3(),sA=d.vec3();d.vec3();const rA=d.mat4();class oA extends Jo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=tA;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=iA;if(l){const e=d.transformPoint3(h,l,sA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,rA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const nA=d.vec3(),aA=d.vec3(),lA=d.vec3();d.vec3();const AA=d.mat4();class hA extends Jo{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=nA;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=aA;if(l){const e=d.transformPoint3(h,l,lA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=Y(u,t,AA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class cA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Xl(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Jl(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new $l(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Yl(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Zl(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ql(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new eA(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new oA(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new hA(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const uA={};const dA=new Uint8Array(4),pA=new Float32Array(1),fA=new Float32Array(3),gA=new Float32Array(4);class mA{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=uA[t];return i||(i=new cA(e),uA[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete uA[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new vt({obb:d.OBB3(),numInstances:0,origin:e.origin?d.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new $e(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=d.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new $e(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new $e(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new $e(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";dA[0]=t[0],dA[1]=t[1],dA[2]=t[2],this._state.colorsBuf.setData(dA,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&te),r=!!(t&ne),o=!!(t&ae),n=!!(t&le),a=!!(t&Ae),l=!!(t&se),A=!!(t&ie);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,c=!s||A?Ho.NOT_RENDERED:n?Ho.SILHOUETTE_SELECTED:o?Ho.SILHOUETTE_HIGHLIGHTED:r?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let u=0;u=!s||A?Ho.NOT_RENDERED:n?Ho.EDGES_SELECTED:o?Ho.EDGES_HIGHLIGHTED:r?Ho.EDGES_XRAYED:a?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Ho.PICK:Ho.NOT_RENDERED)<<12,d|=(t&re?255:0)<<16,pA[0]=d,this._state.flagsBuf.setData(pA,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(fA[0]=t[0],fA[1]=t[1],fA[2]=t[2],this._state.offsetsBuf.setData(fA,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;gA[0]=t[0],gA[1]=t[4],gA[2]=t[8],gA[3]=t[12],this._state.modelMatrixCol0Buf.setData(gA,i),gA[0]=t[1],gA[1]=t[5],gA[2]=t[9],gA[3]=t[13],this._state.modelMatrixCol1Buf.setData(gA,i),gA[0]=t[2],gA[1]=t[6],gA[2]=t[10],gA[3]=t[14],this._state.modelMatrixCol2Buf.setData(gA,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const _A=d.vec3(),vA=d.vec3(),bA=d.mat4();class yA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o,u=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=_A;if(f){const t=d.transformPoint3(c,A,vA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=Y(u,e,bA)}else p=u;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,_A,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class xA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new yA(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const BA={};class wA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class PA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class CA{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const MA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(MA,null,4));let e=0;Object.keys(MA).forEach((t=>{t.startsWith("size")&&(e+=MA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/MA.totalLines).toFixed(2)}`);let t={};Object.keys(MA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(MA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class EA{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);MA.sizeDataColorsAndFlags+=l.byteLength,MA.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);MA.sizeDataTextureOffsets+=r.byteLength,MA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);MA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);MA.sizeDataPositionDecodeMatrices+=o.byteLength,MA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);MA.sizeDataTextureIndices+=o.byteLength,MA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);MA.sizeDataTextureIndices+=o.byteLength,MA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);MA.sizeDataTextureIndices+=o.byteLength,MA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);MA.sizeDataTexturePositions+=n.byteLength,MA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),MA.sizeDataTexturePortionIds+=o.byteLength,MA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}}const FA=new In,IA=FA.maxDataTextureHeight,DA=new Float32Array(16),SA=new Uint8Array(4),TA=new Float32Array(3);let RA=0;const LA=d.identityMat4();class UA{constructor(e,t){MA.numberOfLayers++,this._layerNumber=RA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=BA[t];return i||(i=new xA(e),BA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete BA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new wA,this._dataTextureState=new PA,this._dataTextureGenerator=new EA,this._state=new vt({origin:d.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&MA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*IA||t+r>4096*IA)&&MA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*IA&&t+r<=4096*IA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;MA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,MA.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||LA),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,MA.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,MA.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,MA.totalLines32Bits+=t.numLines),MA.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,MA.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;SA[0]=t[0],SA[1]=t[1],SA[2]=t[2],SA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(SA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,SA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&te),o=!!(t&ne),n=!!(t&ie);let a,l;a=!r||n||o?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,l=!r||n?Ho.NOT_RENDERED:!!(t&le)?Ho.SILHOUETTE_SELECTED:!!(t&ae)?Ho.SILHOUETTE_HIGHLIGHTED:o?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let A=r&&!n&&!!(t&se)?Ho.PICK:Ho.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;SA[0]=a,SA[1]=l,SA[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(SA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,SA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&re?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;SA[0]=s,SA[1]=0,SA[2]=1,SA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(SA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,SA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;TA[0]=t[0],TA[1]=t[1],TA[2]=t[2],i.texturePerObjectOffsets._textureData.set(TA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,TA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;DA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(DA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,DA))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const OA=d.vec3(),kA=d.vec3(),NA=d.vec3();d.vec3();const QA=d.vec4(),VA=d.mat4();class HA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=OA;if(f){const t=d.transformPoint3(c,A,kA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],u=Y(r.viewMatrix,e,VA),p=NA,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else u=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,OA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new qe(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;QA[0]=t,QA[1]=r,QA[2]=s.blendCutoff,QA[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,QA),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const jA=new Float32Array([1,1,1]),GA=d.vec3(),zA=d.vec3(),WA=d.vec3();d.vec3();const KA=d.mat4();class XA{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o,u=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=GA;if(A){const t=zA;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=Y(u,e,KA),f=WA,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=u,f=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===Ho.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Ho.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Ho.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,jA);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,r=o.renderFlags;for(let t=0;t<g;t++){const s=this._uSectionPlanes[t];if(s)if(t<m){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,GA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const JA=new Float32Array([0,0,0,1]),YA=d.vec3(),ZA=d.vec3();d.vec3();const qA=d.mat4();class $A{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=YA;if(f){const t=d.transformPoint3(c,A,ZA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=Y(u,e,qA)}else p=u;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===Ho.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Ho.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Ho.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,JA);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,YA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const eh=d.vec3(),th=d.vec3(),ih=d.mat4();class sh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=eh;if(f){const t=d.transformPoint3(c,A,th);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=Y(u,e,ih)}else p=u;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,eh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const rh=d.vec3(),oh=d.vec3(),nh=d.vec3(),ah=d.mat4();class lh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=rh;if(v){const t=d.transformPoint3(c,A,oh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=Y(u,e,ah),_=nh,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=u,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const r=this._uSectionPlanes[t];if(r)if(t<x){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,rh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ah=d.vec3(),hh=d.vec3(),ch=d.vec3();d.vec3();const uh=d.mat4();class dh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Ah;if(A){const e=hh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=Y(u,t,uh),_=ch,_[0]=f[0]-t[0],_[1]=f[1]-t[1],_[2]=f[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=u,_=f,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const v=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(v>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*b,o=s.renderFlags;for(let t=0;t<v;t++){const r=this._uSectionPlanes[t];if(r)if(t<b){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,Ah,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ph=d.vec3(),fh=d.vec3(),gh=d.vec3(),mh=d.vec3();d.vec3();const _h=d.mat4();class vh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=ph;let g,m;f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=fh;if(_){const e=d.transformPoint3(c,A,gh);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=Y(p,t,_h),m=mh,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,ph,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}const x="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(x,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(x,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(x,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const bh=d.vec3(),yh=d.vec3(),xh=d.vec3(),Bh=d.vec3();d.vec3();const wh=d.mat4();class Ph{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=bh;let g,m;f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=yh;if(_){const e=xh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=Y(p,t,wh),m=Bh,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,bh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ch=d.vec3(),Mh=d.vec3(),Eh=d.vec3();d.vec3();const Fh=d.mat4();class Ih{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Ch;if(A){const t=Mh;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=Y(u,e,Fh),f=Eh,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=u,f=o.eye;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const g=r._sectionPlanesState.getNumAllocatedSectionPlanes(),m=r._sectionPlanesState.sectionPlanes.length;if(g>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,o=s.renderFlags;for(let t=0;t<g;t++){const r=this._uSectionPlanes[t];if(r)if(t<m){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,Ch,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Dh=d.vec3(),Sh=d.vec3(),Th=d.vec3();d.vec3();const Rh=d.mat4();class Lh{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Dh;if(f){const t=d.transformPoint3(c,A,Sh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],u=Y(r.viewMatrix,e,Rh),p=Th,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else u=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,Dh,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Uh=d.vec3(),Oh=d.vec3(),kh=d.vec3();d.vec3();const Nh=d.mat4();class Qh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const f=0!==l[0]||0!==l[1]||0!==l[2],g=0!==A[0]||0!==A[1]||0!==A[2];if(f||g){const e=Uh;if(f){const t=Oh;d.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],u=Y(c,e,Nh),p=kh,p[0]=o.eye[0]-e[0],p[1]=o.eye[1]-e[1],p[2]=o.eye[2]-e[2]}else u=c,p=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,h),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(l){const e=ee(i.dist,i.dir,l,Uh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(je.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&je.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Vh=d.vec3(),Hh=d.vec3(),jh=d.vec3();d.vec3(),d.vec4();const Gh=d.mat4();class zh{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));const u=e.pickViewMatrix||r.viewMatrix,p=e.pickProjMatrix||r.projMatrix,f=e.pickOrigin||r.eye,g=e.pickProjMatrix?e.pickZFar:r.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=Vh;if(v){const t=d.transformPoint3(c,A,Hh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=Y(u,e,Gh),_=jh,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=u,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=s._sectionPlanesState.getNumAllocatedSectionPlanes(),x=s._sectionPlanesState.sectionPlanes.length;if(y>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,r=o.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=ee(i.dist,i.dir,A,Vh,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Wh{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new XA(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new lh(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new dh(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new zh(this._scene)),this._snapRenderer||(this._snapRenderer=new vh(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Ph(this._scene)),this._snapRenderer||(this._snapRenderer=new vh(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new HA(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new HA(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new XA(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Lh(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Qh(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new $A(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new sh(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new lh(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new zh(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new zh(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new dh(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new vh(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ph(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Ih(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const Kh={};class Xh{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class Jh{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const Yh={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Yh,null,4));let e=0;Object.keys(Yh).forEach((t=>{t.startsWith("size")&&(e+=Yh[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Yh.totalPolygons).toFixed(2)}`);let t={};Object.keys(Yh).forEach((i=>{i.startsWith("size")&&(t[i]=`${(Yh[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class Zh{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);Yh.sizeDataColorsAndFlags+=h.byteLength,Yh.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);Yh.sizeDataTextureOffsets+=r.byteLength,Yh.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Yh.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Yh.sizeDataPositionDecodeMatrices+=o.byteLength,Yh.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);Yh.sizeDataTextureIndices+=o.byteLength,Yh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);Yh.sizeDataTextureIndices+=o.byteLength,Yh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);Yh.sizeDataTextureIndices+=o.byteLength,Yh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);Yh.sizeDataTextureEdgeIndices+=o.byteLength,Yh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);Yh.sizeDataTextureEdgeIndices+=o.byteLength,Yh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);Yh.sizeDataTextureEdgeIndices+=o.byteLength,Yh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);Yh.sizeDataTexturePositions+=n.byteLength,Yh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),Yh.sizeDataTexturePortionIds+=o.byteLength,Yh.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new CA(e,n,s,r)}}const qh=new In,$h=qh.maxDataTextureHeight,ec=d.vec4(),tc=new Float32Array(16),ic=new Uint8Array(4),sc=new Float32Array(3);let rc=0;const oc=d.identityMat4();class nc{constructor(e,t){Yh.numberOfLayers++,this._layerNumber=rc++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=Kh[t];return i||(i=new Wh(e),Kh[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Kh[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new Xh,this._dtxState=new Jh,this._dtxTextureFactory=new Zh,this._state=new vt({origin:d.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Yh.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*$h||t+r>4096*$h)&&Yh.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*$h&&t+r<=4096*$h}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;Yh.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;Yh.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,Yh.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||oc),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,Yh.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,Yh.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,Yh.totalPolygons32Bits+=t.numTriangles),Yh.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,Yh.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,Yh.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,Yh.totalEdges32Bits+=t.numEdges),Yh.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,Yh.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&te&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ae&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ne&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&le&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&re&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&se&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ie&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&re?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;ic[0]=t[0],ic[1]=t[1],ic[2]=t[2],ic[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(ic,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,ic))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&te),o=!!(t&ne),n=!!(t&ae),a=!!(t&le),l=!!(t&Ae),A=!!(t&se),h=!!(t&ie);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?Ho.NOT_RENDERED:i?Ho.COLOR_TRANSPARENT:Ho.COLOR_OPAQUE,u=!r||h?Ho.NOT_RENDERED:a?Ho.SILHOUETTE_SELECTED:n?Ho.SILHOUETTE_HIGHLIGHTED:o?Ho.SILHOUETTE_XRAYED:Ho.NOT_RENDERED;let d=0;d=!r||h?Ho.NOT_RENDERED:a?Ho.EDGES_SELECTED:n?Ho.EDGES_HIGHLIGHTED:o?Ho.EDGES_XRAYED:l?i?Ho.EDGES_COLOR_TRANSPARENT:Ho.EDGES_COLOR_OPAQUE:Ho.NOT_RENDERED;let p=r&&!h&&A?Ho.PICK:Ho.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;ic[0]=c,ic[1]=u,ic[2]=d,ic[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(ic,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,ic))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&re?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;ic[0]=s,ic[1]=0,ic[2]=1,ic[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(ic,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,ic))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;sc[0]=t[0],sc[1]=t[1],sc[2]=t[2],i.texturePerObjectOffsets._textureData.set(sc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,sc))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;tc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(tc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,tc))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],c=l[2],u=ec;for(let e=0,i=n.length;e<i;e+=3)u[0]=n[e],u[1]=n[e+1],u[2]=n[e+2],u[3]=1,d.decompressPosition(u,a),d.transformPoint4(this.model.worldMatrix,u,u),d.transformPoint4(this.model.worldMatrix,u,u),u[0]+=A,u[1]+=h,u[2]+=c,t(u)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ho.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ho.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ho.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ho.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ho.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ho.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ho.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ho.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ho.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ho.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Ho.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class ac{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class lc{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const Ac={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class hc{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const cc=new hc;class uc{constructor(e){this.manager=void 0!==e?e:cc,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const dc={};class pc extends uc{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=Ac.get(e);if(void 0!==r)return this.manager.itemStart(e),I.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==dc[e])return void dc[e].push({onLoad:t,onProgress:i,onError:s});dc[e]=[],dc[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=dc[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{Ac.add(e,t);const i=dc[e];delete dc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=dc[e];if(void 0===i)throw this.manager.itemError(e),t;delete dc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class fc{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let gc=0;class mc{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new fc,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new pc;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new pc;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=mc.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(mc.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(mc.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(mc.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),gc>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),gc++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),gc--}}mc.BasisFormat={ETC1S:0,UASTC_4x4:1},mc.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},mc.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},mc.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const _c={};function vc(e){const t=e.scene.id;let i=_c[t];return i||(i=new mc({viewer:e}),_c[t]=i,e.scene.on("destroyed",(()=>{delete _c[t],i.destroy()}))),i}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
@@ -14,7 +14,7 @@ class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/let wc=null;function Pc(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=wc[i],o=wc[i+1],n=wc[i+2]),c=Math.min(a=wc[s],l=wc[s+1],A=wc[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let Cc=null;function Mc(e,t){let i=Cc[2*e]-Cc[2*t];return 0!==i?i:Cc[2*e+1]-Cc[2*t+1]}function Ec(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;wc=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)wc[i]=e[i]>>t;i.sort(Pc);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}Cc=new Int32Array(e),t.sort(Mc);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const Fc=d.vec4(4),Ic=d.vec4(),Dc=d.vec4(),Sc=d.vec3([1,0,0]),Tc=d.vec3([0,1,0]),Rc=d.vec3([0,0,1]);d.vec3(3),d.vec3(3);const Lc=d.identityMat4();class Uc{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=d.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=d.identityMat4(new Float32Array(16)),this._worldMatrix=d.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||Lc),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Fc[0]=e[0],Fc[1]=e[1],Fc[2]=e[2],Fc[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Fc,Ic),d.mulQuaternions(this.quaternion,Ic,Dc),this.quaternion=Dc,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return Fc[0]=e[0],Fc[1]=e[1],Fc[2]=e[2],Fc[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Fc,Ic),d.mulQuaternions(Ic,this.quaternion,Ic),this}rotateX(e){return this.rotate(Sc,e)}rotateY(e){return this.rotate(Tc,e)}rotateZ(e){return this.rotate(Rc,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)d.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const Oc=d.vec3(),kc=d.OBB3(),Nc=d.vec4(),Qc=d.vec3([1,1,1]),Vc=d.vec3([0,0,0]);d.vec3([0,0,0]);const Hc=d.identityQuaternion(),jc=d.identityMat4(),Gc=new Uint8Array([255,255,255]);class zc extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(Vo++,Qo),this._textureTranscoder=t.textureTranscoder||vc(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=d.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new pr,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=d.vec3(t.origin||[0,0,0]),this._position=d.vec3(t.position||[0,0,0]),this._rotation=d.vec3(t.rotation||[0,0,0]),this._quaternion=d.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=d.vec4(t.quaternion||[0,0,0,1]),t.rotation&&d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=d.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=d.mat4(),this._worldRotationMatrixConjugate=d.mat4(),this._matrix=d.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=d.mat4(),d.inverseMat4(this._matrix,this._worldNormalMatrix),d.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=d.mat4(),this._viewNormalMatrix=d.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new lc({id:"defaultColorTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new lc({id:"defaultMetalRoughTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new lc({id:"defaultNormalsTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new lc({id:"defaultEmissiveTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new lc({id:"defaultOcclusionTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new ac({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||jc),d.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),d.scaleMat4v(this._scale,this._worldRotationMatrix),d.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}get rotationMatrixConjugate(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}_rebuildViewMatrices(){this._rebuildMatrices(),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}get viewMatrix(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)d.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Un(e.aabb,d.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Un(e.positionsDecodeBoundary,d.mat4())),e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Ln(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),d.expandAABB3Points3(t,e.positionsCompressed),qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=d.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=zt(e.positions,e.indices,null,5):e.edgeIndices=zt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=qt.getUVBounds(e.uv),i=qt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new qr({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;if(t.crossOrigin="Anonymous",t.compressed){const e=t.data;l.setCompressedData({mipmaps:e,props:{format:e[0].format,minFilter:i,magFilter:s}})}else l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?y.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new lc({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new ac({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new Uc({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Qc,i=e.position||Vc;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",Nc),e.meshMatrix=d.composeMat4(i,Nc,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||Hc,t,d.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Un(e.positionsDecodeBoundary,d.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=d.vec3(),i=[];q(e.positions,i,t)&&(e.positions=i,e.origin=d.addVec3(e.origin,t,t))}if(e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Ln(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=d.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,kc),d.transformOBB3(e.meshMatrix,kc),d.OBB3ToAABB3(kc,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=zt(e.positions,e.indices,null,2):e.edgeIndices=zt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=Wc(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];q(e.positions,t,Oc)&&(e.positions=t,e.origin=d.addVec3(e.origin,Oc,d.vec3()))}if(e.positions){const t=d.collapseAABB3();e.meshMatrix&&(d.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),d.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,kc),d.transformOBB3(e.meshMatrix,kc),d.OBB3ToAABB3(kc,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=zt(e.positions,e.indices,null,2):e.edgeIndices=zt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Qc,i=e.position||Vc;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",Nc),e.meshMatrix=d.composeMat4(i,Nc,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||Hc,t,d.mat4())}d.AABB3ToOBB3(e.geometry.aabb,kc),d.transformOBB3(e.meshMatrix,kc),e.aabb=d.OBB3ToAABB3(kc,d.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=Wc(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new No(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=d.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new nc(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new UA(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new Yn({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new ol({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new Wl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new Qa({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new Qa({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Pl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new mA({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=d.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=d.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;return this._visible&&!1!==e.visible&&(t|=te),this._pickable&&!1!==e.pickable&&(t|=se),this._culled&&!1!==e.culled&&(t|=ie),this._clippable&&!1!==e.clippable&&(t|=re),this._collidable&&!1!==e.collidable&&(t|=oe),this._edges&&!1!==e.edges&&(t|=Ae),this._xrayed&&!1!==e.xrayed&&(t|=ne),this._highlighted&&!1!==e.highlighted&&(t|=ae),this._selected&&!1!==e.selected&&(t|=le),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ue(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++,i}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${d.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Vo&&(Vo--,0===Vo&&Qo._clear()),super.destroy()}}function Wc(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=Bc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=Ec({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class Kc extends R{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new zc(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const Xc=d.vec3(),Yc=d.vec3(),Jc=d.vec3(),Zc=d.vec3();class qc extends z{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=d.normalizeVec3(d.subVec3(i.look,i.eye,d.vec3())),a=i.eye,l=i.up;i.yUp&&(n=tu(n),a=tu(a),l=tu(l));const A=$c(d.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:$c(n),camera_up_vector:$c(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:$c(n),camera_up_vector:$c(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?d.negateVec3(t.dir,d.vec3()):t.dir,i.yUp&&(a=tu(a),n=tu(n)),d.addVec3(a,s),a=$c(a),n=$c(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const u=t.bitmaps;for(let e in u)if(u.hasOwnProperty(e)){let t=u[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=tu(r),n=tu(n),a=tu(a)),d.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:$c(r),normal:$c(n),up:$c(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),f=new Set(t.xrayedObjectIds),g=new Set(t.colorizedObjectIds),m=Object.values(t.objects).filter((e=>p.has(e.id)||g.has(e.id)||f.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(m).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,y=t.visibleObjectIds,x=v.filter((e=>!b[e])),B=t.selectedObjectIds;return e.defaultInvisible||y.length<x.length?(o.components.visibility.exceptions=this._createBCFComponents(y),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(x),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(B),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=eu(e.location,Xc),i=eu(e.direction,Xc);A&&d.negateVec3(i),d.subVec3(t,l),r.yUp&&(t=iu(t),i=iu(i)),new Sr(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new Kc(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=eu(e.location,Yc),n=eu(e.normal,Jc),a=eu(e.up,Zc),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=iu(o),n=iu(n),a=iu(a)),new yo(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=eu(e.perspective_camera.camera_view_point,Xc),A=eu(e.perspective_camera.camera_direction,Xc),h=eu(e.perspective_camera.camera_up_vector,Xc),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=eu(e.orthogonal_camera.camera_view_point,Xc),A=eu(e.orthogonal_camera.camera_direction,Xc),h=eu(e.orthogonal_camera.camera_up_vector,Xc),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),d.subVec3(a,l),r.yUp&&(a=iu(a),A=iu(A),h=iu(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:d.addVec3(a,A,Xc)}else A=d.addVec3(a,A,Xc);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=d.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function $c(e){return{x:e[0],y:e[1],z:e[2]}}function eu(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function tu(e){return new Float64Array([e[0],-e[2],e[1]])}function iu(e){return new Float64Array([e[0],e[2],-e[1]])}const su=d.vec3(),ru=d.vec3(),ou=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class nu extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new _e(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new _e(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new xe(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new xe(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new xe(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new xe(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new Be(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new Be(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new Be(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new Be(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._measurementOrientation="Horizontal",this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._useRotationAdjustment=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._xLabelEnabled=!1,this._yLabelEnabled=!1,this._zLabelEnabled=!1,this._lengthLabelEnabled=!1,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.xLabelEnabled=t.xLabelEnabled,this.yLabelEnabled=t.yLabelEnabled,this.zLabelEnabled=t.zLabelEnabled,this.lengthLabelEnabled=t.lengthLabelEnabled,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires,this._useRotationAdjustment=t.useRotationAdjustment,this._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set axesBasis(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}get axesBasis(){return this._axesBasis}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty){const e=d.subVec3(this._targetWorld,this._originWorld,ru);this._factors=d.transformVec3(this._axesBasis,e),this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1):(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1),this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originDot.viewPos[2],i=this._targetDot.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],c=0;const i=this.plugin.viewer.scene.metrics,f=i.scale,g=i.units,m=i.unitsInfo[g].abbrev;for(var u=0,p=s.length;u<p;u+=4)r[c]=a+Math.floor((1+s[u+0]/s[u+3])*A/2),r[c+1]=n+Math.floor((1-s[u+1]/s[u+3])*h/2),c+=2;if(this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(d.lenVec3(d.subVec3(this._targetWorld,this._originWorld,su))),this._lengthLabel.setText(e+(this._length*f).toFixed(2)+m);const t=Math.abs(ou(r[0],r[1],r[2],r[3])),i=Math.abs(ou(r[2],r[3],r[4],r[5])),s=Math.abs(ou(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs(this._factors[0]*f).toFixed(2)+m),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs(this._factors[1]*f).toFixed(2)+m),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(e+Math.abs(d.lenVec3(d.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],su))*f).toFixed(2)+m)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(e+Math.abs(this._factors[2]*f).toFixed(2)+m)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set useRotationAdjustment(e){e=void 0!==e?Boolean(e):this.plugin.useRotationAdjustment,this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set xLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xLabelEnabled(){return this._xLabelEnabled}set yLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yLabelEnabled(){return this._yLabelEnabled}set zLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zLabelEnabled(){return this._zLabelEnabled}set lengthLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get lengthLabelEnabled(){return this._lengthLabelEnabled}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class au extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class lu extends au{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=d.vec3(),n=d.vec2();let a,l;let A=null;this._mouseState=0;const h=d.vec2(),c=e=>{const t=e.snappedCanvasPos||e.canvasPos;if(r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState){if(this._canvasToPagePos)this._canvasToPagePos(s,t,h),this._markerDiv.style.left=h[0]-5+"px",this._markerDiv.style.top=h[1]-5+"px";else{const e=d.vec2(t);me(s,this._markerDiv.parentNode,e),this._markerDiv.style.left=e[0]-5+"px",this._markerDiv.style.top=e[1]-5+"px"}this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity}else this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px";s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&c(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||c(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const u=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&u(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||u(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Au extends z{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultXLabelEnabled=!1!==t.defaultXLabelEnabled,this.defaultYLabelEnabled=!1!==t.defaultYLabelEnabled,this.defaultZLabelEnabled=!1!==t.defaultZLabelEnabled,this.defaultLengthLabelEnabled=!1!==t.defaultLengthLabelEnabled,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this.useRotationAdjustment=void 0!==t.useRotationAdjustment&&!1!==t.useRotationAdjustment,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new lu(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}set useRotationAdjustment(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new nu(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==e.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==e.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==e.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==e.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class hu extends au{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._attachPlugin(e,t)}_attachPlugin(e){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=l=>{const c=l.touches.length;if(1!==c)return void(o&&(clearTimeout(o),o=null));const p=l.touches[0],f=i.getBoundingClientRect(),g=p.clientX-f.left,m=p.clientY-f.top;switch(n.set([g,m]),a.set([g,m]),this._touchState){case 0:if(1!==c&&null!==o)return void u();const i=t.pick({canvasPos:a,snapping:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==c||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=s:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:s,entity:i.entity},target:{worldPos:s,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=p.identifier;break;case 3:if(1!==c&&null!==o)return clearTimeout(o),void(o=null);1===c&&(o=setTimeout((()=>{if(o=null,1!==c||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=p.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(r=>{this.pointerCircle.stop();const n=r.touches.length;if(1!==n||1!==r.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const l=r.touches[0],h=i.getBoundingClientRect(),c=l.clientX-h.left,u=l.clientY-h.top;if(l.identifier!==A)return;let p,f;switch(a.set([c,u]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),p=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),p&&p.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=p.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(p.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=p.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:p.worldPos,entity:p.entity},target:{worldPos:p.worldPos,entity:p.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(f=t.pick({canvasPos:a,pickSurface:!0}),f&&f.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=f.canvasPos,this.pointerLens.snapped=!1),s.set(f.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=f.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:f.worldPos,entity:f.entity},target:{worldPos:f.worldPos,entity:f.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==n&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),p=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),p&&p.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=p.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement.target.worldPos=p.worldPos,this._currentDistanceMeasurement.target.entity=p.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0):(f=t.pick({canvasPos:a,pickSurface:!0}),f&&f.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=f.canvasPos,this.pointerLens.snapped=!1),this._currentDistanceMeasurement.target.worldPos=f.worldPos,this._currentDistanceMeasurement.target.entity=f.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0)),this._touchState=5}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=s=>{this.pointerCircle.stop();const h=s.changedTouches.length;if(1!==h)return;const u=s.changedTouches[0],p=i.getBoundingClientRect(),f=u.clientX-p.left,g=u.clientY-p.top;if(u.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([f,g]),this._touchState){case 1:{if(1!==h||f>n[0]+r||f<n[0]-r||g>n[1]+r||g<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1,this._touchState=3,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(this._currentDistanceMeasurement&&this._currentDistanceMeasurement.destroy(),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==h||f>n[0]+r||f<n[0]-r||g>n[1]+r||g<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this._currentDistanceMeasurement.xAxisVisible=!0,this._currentDistanceMeasurement.yAxisVisible=!0,this._currentDistanceMeasurement.zAxisVisible=!0,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0}c();break;case 5:console.log("long touch"),this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement&&this._currentDistanceMeasurement.targetVisible?(this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,this._touchState=0):(this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class cu extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=be({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class uu extends cu{constructor(e,t){super(e,t,!0,!1)}}class du extends cu{constructor(e,t){super(e,t,!1,!0)}}class pu extends z{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor||1,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e||1}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class fu{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);I.scheduleTask((function(){i(e)}))}catch(e){I.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class gu{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=mu(e,i);return s?t?_u(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=mu(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=_u(r,[t]),i&&(r=_u(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function mu(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function _u(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class vu extends R{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=d.subVec3(o,r,[]);return d.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=d.lenVec3(d.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class bu extends vu{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=d.vec3();return A[0]=d.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=d.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=d.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const yu=d.vec3();class xu extends R{get type(){return"CameraPath"}constructor(e,t={}){super(e,t),this._frames=[],this._eyeCurve=new bu(this),this._lookCurve=new bu(this),this._upCurve=new bu(this),t.frames&&(this.addFrames(t.frames),this.smoothFrameTimes(1))}get frames(){return this._frames}get eyeCurve(){return this._eyeCurve}get lookCurve(){return this._lookCurve}get upCurve(){return this._upCurve}saveFrame(e){const t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}addFrame(e,t,i,s){const r={t:e,eye:t.slice(0),look:i.slice(0),up:s.slice(0)};this._frames.push(r),this._eyeCurve.points.push(r.eye),this._lookCurve.points.push(r.look),this._upCurve.points.push(r.up)}addFrames(e){let t;for(let i=0,s=e.length;i<s;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}loadFrame(e){const t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,yu),t.look=this._lookCurve.getPoint(e,yu),t.up=this._upCurve.getPoint(e,yu)}sampleFrame(e,t,i,s){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,s)}smoothFrameTimes(e){if(0===this._frames.length)return;const t=d.vec3();var i=0;this._frames[0].t=0;const s=[];for(let e=1,o=this._frames.length;e<o;e++){var r=d.lenVec3(d.subVec3(this._frames[e].eye,this._frames[e-1].eye,t));s[e]=r,i+=r}for(let t=1,r=this._frames.length;t<r;t++){const r=s[t]/i*e;this._frames[t].t=this._frames[t-1].t+r}}clearFrames(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}const Bu=d.vec3(),wu=d.vec3(),Pu=d.vec3(),Cu=d.vec3(),Mu=d.vec3();class Eu extends R{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=d.vec3(),this._eye1=d.vec3(),this._up1=d.vec3(),this._look2=d.vec3(),this._eye2=d.vec3(),this._up2=d.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((y.isNumeric(s)||y.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+y.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=d.getAABB3Center(o);this._look2=h||t;const i=d.subVec3(this._eye1,this._look1,Bu),s=d.normalizeVec3(i),r=h?d.getAABB3DiagPoint(o,h):d.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*d.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,I.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((y.isNumeric(t)||y.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+y.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?d.getAABB3DiagPoint(i,a):d.getAABB3Diag(i);let s;o=a||d.getAABB3Center(i,o),this._trail?d.subVec3(t.look,o,Mu):d.subVec3(t.eye,t.look,Mu),d.normalizeVec3(Mu);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*d.DEGTORAD)):d.lenVec3(d.subVec3(t.eye,t.look,Bu)),d.mulVec3Scalar(Mu,s),t.eye=d.addVec3(o,Mu,Bu),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Eu._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(d.subVec3(s.eye,s.look,Mu),s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,Pu),s.look=d.subVec3(Pu,Mu,wu)):this._flyingLook&&(s.look=d.lerpVec3(i,0,1,this._look1,this._look2,wu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Cu)):this._flyingEyeLookUp&&(s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,Pu),s.look=d.lerpVec3(i,0,1,this._look1,this._look2,wu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Cu)),this._projection2){const t="ortho"===this._projection2?Eu._easeOutExpo(e,0,1,1):Eu._easeInCubic(e,0,1,1);s.customProjection.matrix=d.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();I.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Fu extends R{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Eu(this),this._t=0,this.state=Fu.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Fu.SCRUBBING:return;case Fu.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Fu.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Fu.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Fu.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Fu.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Fu.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Fu.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Fu.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Fu.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Fu.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Fu.STOPPED=0,Fu.SCRUBBING=1,Fu.PLAYING=2,Fu.PLAYING_TO=3;const Iu=d.vec3(),Du=d.vec3();d.vec3();const Su=d.vec3([0,-1,0]),Tu=d.vec4([0,0,0,1]);class Ru extends R{constructor(e,t={}){super(e,t),this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new ro(this),this._plane=new Pr(this,{geometry:new ti(this,go({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new ni(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0}),clippable:t.clippable}),this._grid=new Pr(this,{geometry:new ti(this,fo({size:1,divisions:10})),material:new ni(this,{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:t.clippable}),this._node=new Hr(this,{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[this._plane,this._grid]}),this._gridVisible=!1,this.visible=!0,this.gridVisible=t.gridVisible,this.position=t.position,this.rotation=t.rotation,this.dir=t.dir,this.size=t.size,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,t.image?this.image=t.image:this.src=t.src}set visible(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}get visible(){return this._plane.visible}set gridVisible(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}get gridVisible(){return this._gridVisible}set image(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set position(e){this._pos.set(e||[0,0,0]),Z(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}get position(){return this._pos}set rotation(e){this._node.rotation=e}get rotation(){return this._node.rotation}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set dir(e){if(this._dir.set(e||[0,0,-1]),e){const t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];d.subVec3(t,this.position,Iu);const s=-d.dotVec3(i,Iu);d.normalizeVec3(i),d.mulVec3Scalar(i,s,Du),d.vec3PairToQuaternion(Su,e,Tu),this._node.quaternion=Tu}}get dir(){return this._dir}set collidable(e){this._node.collidable=!1!==e}get collidable(){return this._node.collidable}set clippable(e){this._node.clippable=!1!==e}get clippable(){return this._node.clippable}set pickable(e){this._node.pickable=!1!==e}get pickable(){return this._node.pickable}set opacity(e){this._node.opacity=e}get opacity(){return this._node.opacity}destroy(){super.destroy()}_updatePlaneSizeFromImage(){const e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){const s=i/t;this._node.scale=[e,1,e*s]}else{const s=t/i;this._node.scale=[e*s,1,e]}}}class Lu extends Vt{get type(){return"PointLight"}constructor(e,t={}){super(e,t);const i=this;this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const s=this.scene.camera,r=this.scene.canvas;this._onCameraViewMatrix=s.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=s.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=r.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new vt({type:"point",pos:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(i._shadowViewMatrixDirty){i._shadowViewMatrix||(i._shadowViewMatrix=d.identityMat4());const e=i._state.pos,t=s.look,r=s.up;d.lookAtMat4v(e,t,r,i._shadowViewMatrix),i._shadowViewMatrixDirty=!1}return i._shadowViewMatrix},getShadowProjMatrix:()=>{if(i._shadowProjMatrixDirty){i._shadowProjMatrix||(i._shadowProjMatrix=d.identityMat4());const e=i.scene.canvas.canvas;d.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,i._shadowProjMatrix),i._shadowProjMatrixDirty=!1}return i._shadowProjMatrix},getShadowRenderBuf:()=>(i._shadowRenderBuf||(i._shadowRenderBuf=new dt(i.scene.canvas.canvas,i.scene.canvas.gl,{size:[1024,1024]})),i._shadowRenderBuf)}),this.pos=t.pos,this.color=t.color,this.intensity=t.intensity,this.constantAttenuation=t.constantAttenuation,this.linearAttenuation=t.linearAttenuation,this.quadraticAttenuation=t.quadraticAttenuation,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set pos(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get pos(){return this._state.pos}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set constantAttenuation(e){this._state.attenuation[0]=e||0,this.glRedraw()}get constantAttenuation(){return this._state.attenuation[0]}set linearAttenuation(e){this._state.attenuation[1]=e||0,this.glRedraw()}get linearAttenuation(){return this._state.attenuation[1]}set quadraticAttenuation(e){this._state.attenuation[2]=e||0,this.glRedraw()}get quadraticAttenuation(){return this._state.attenuation[2]}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}function Uu(e){if(!Ou(e.width)||!Ou(e.height)){const t=document.createElement("canvas");t.width=ku(e.width),t.height=ku(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Ou(e){return 0==(e&e-1)}function ku(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class Nu extends R{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new vt({texture:new qr({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),m.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=Uu(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new qr({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),m.memory.textures--,this._state.destroy()}}class Qu extends Nu{get type(){return"ReflectionMap"}constructor(e,t={}){super(e,t),this.scene._lightsState.addReflectionMap(this._state),this.scene._reflectionMapCreated(this)}destroy(){super.destroy(),this.scene._reflectionMapDestroyed(this)}}class Vu extends Nu{get type(){return"LightMap"}constructor(e,t={}){super(e,t),this.scene._lightMapCreated(this)}destroy(){super.destroy(),this.scene._lightMapDestroyed(this)}}class Hu extends fe{constructor(e,t={}){super(e,{entity:t.entity,occludable:t.occludable,worldPos:t.worldPos}),this._occluded=!1,this._visible=!0,this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new ro(this,{src:t.src}),this._geometry=new ti(this,{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),this._mesh=new Pr(this,{geometry:this._geometry,material:new ni(this,{ambient:[.9,.3,.9],shininess:30,diffuseMap:this._texture,backfaces:!0}),scale:[1,1,1],position:t.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),this.visible=!0,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,this.size=t.size,t.image?this.image=t.image:this.src=t.src}_setVisible(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,super._setVisible(e)}set visible(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}get visible(){return this._visible}set image(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set collidable(e){this._mesh.collidable=!1!==e}get collidable(){return this._mesh.collidable}set clippable(e){this._mesh.clippable=!1!==e}get clippable(){return this._mesh.clippable}set pickable(e){this._mesh.pickable=!1!==e}get pickable(){return this._mesh.pickable}set opacity(e){this._mesh.opacity=e}get opacity(){return this._mesh.opacity}_updatePlaneSizeFromImage(){const e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],s=i/t;this._geometry.positions=t>i?[e,e*s,0,-e,e*s,0,-e,-e*s,0,e,-e*s,0]:[e/s,e,0,-e/s,e,0,-e/s,-e,0,e/s,-e,0]}}class ju{constructor(e){this._eye=d.vec3(),this._look=d.vec3(),this._up=d.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const Gu=d.vec3();class zu{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?y.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(Gu[0]=this.objectsColorize[3*e+0],Gu[1]=this.objectsColorize[3*e+1],Gu[2]=this.objectsColorize[3*e+2],t.colorize=Gu),c&&(t.opacity=this.objectsOpacity[e]))}}}const Wu=d.vec3();class Ku{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?y.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(Wu[0]=this.objectsColorize[3*c+0],Wu[1]=this.objectsColorize[3*c+1],Wu[2]=this.objectsColorize[3*c+2],t.colorize=Wu):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class Xu extends vu{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.v3=t.v3,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set v3(e){this.fire("v3",this._v3=e||d.vec3([0,0,0]))}get v3(){return this._v3}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=d.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=d.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}class Yu extends vu{constructor(e,t={}){super(e,t),this._cachedLengths=[],this._dirty=!0,this._curves=[],this._t=0,this._dirtySubs=[],this._destroyedSubs=[],this.curves=t.curves||[],this.t=t.t}addCurve(e){this._curves.push(e),this._dirty=!0}set curves(e){var t,i,s;for(e=e||[],i=0,s=this._curves.length;i<s;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var r=this;function o(){r._dirty=!0}function n(){var e=this.id;for(i=0,s=r._curves.length;i<s;i++)if(r._curves[i].id===e)return r._curves=r._curves.slice(i,i+1),r._dirtySubs=r._dirtySubs.slice(i,i+1),r._destroyedSubs=r._destroyedSubs.slice(i,i+1),void(r._dirty=!0)}for(i=0,s=e.length;i<s;i++){if(t=e[i],y.isNumeric(t)||y.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",o)),this._destroyedSubs.push(t.once("destroyed",n))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}get curves(){return this._curves}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}get length(){var e=this._getCurveLengths();return e[e.length-1]}getPoint(e){for(var t,i=e*this.length,s=this._getCurveLengths(),r=0;r<s.length;){if(s[r]>=i){var o=1-(s[r]-i)/(t=this._curves[r]).length;return t.getPointAt(o)}r++}return null}_getCurveLengths(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,s=this._curves.length;for(e=0;e<s;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}_getJSON(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}destroy(){var e,t,i;for(super.destroy(),e=0,t=this._curves.length;e<t;e++)(i=this._curves[e]).off(this._dirtySubs[e]),i.off(this._destroyedSubs[e])}}class Ju extends vu{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=d.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=d.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}class Zu extends zc{constructor(e,t={}){super(e,t)}}class qu extends R{constructor(e,t={}){super(e,t),this._skyboxMesh=new Pr(this,{geometry:new ti(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new ni(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new ro(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}class $u{transcode(e,t,i={}){}destroy(){}}const ed=d.vec4(),td=d.vec4(),id=d.vec3(),sd=d.vec3(),rd=d.vec3(),od=d.vec4(),nd=d.vec4(),ad=d.vec4();class ld{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=d.subVec3(e,r.eye,id);s=d.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,od),o=d.subVec3(s,r.eye,ad),n=d.mulVec3Scalar(d.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=d.subVec3(e,r.eye,id),i=d.lenVec3(t),s=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,sd)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,od);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,nd),o=d.subVec3(s,e,ad),n=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,id)),-i,sd),a=d.addVec3(o,n,rd);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o);return i.project.unproject(e,a,ed,td,t),t}destroy(){}}const Ad=d.vec3(),hd=d.vec3(),cd=d.vec3(),ud=d.vec4(),dd=d.vec4(),pd=d.vec4();class fd{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=d.vec3(),this._cameraOffset=d.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=d.vec3(),this._rtcPos=d.vec3(),this._pivotViewPos=d.vec4(),this._pivotProjPos=d.vec4(),this._pivotCanvasPos=d.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=d.vec3();d.decomposeMat4(d.inverseMat4(this._scene.viewer.camera.viewMatrix,d.mat4()),t,d.vec4(),d.vec3());const i=d.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),Z(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new lo(this._scene,Er({radius:s})),this._pivotSphere=new Pr(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){d.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,d.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(Z(this.getPivotPos(),this._rtcCenter,this._rtcPos),d.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new ni(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=d.lookAtMat4v(e.eye,e.look,e.worldUp);d.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=d.distVec3(e.eye,i),t=d.inverseMat4(t);const s=d.transformVec3(t,this._cameraOffset),r=d.vec3();if(d.subVec3(e.eye,i,r),d.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=d.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=d.normalizeVec3(d.subVec3(e.look,e.eye,Ad)),i=d.cross3Vec3(t,e.worldUp,hd);return d.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(d.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o),l=ud;t.project.unproject(e,a,dd,pd,l);const A=d.normalizeVec3(d.subVec3(l,t.eye,Ad)),h=d.addVec3(t.eye,d.mulVec3Scalar(A,i,hd),cd);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=d.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=d.lenVec3(d.subVec3(i.look,i.eye,d.vec3())),a=this.getPivotPos();d.addVec3(o,a);let l=d.lookAtMat4v(o,a,i.worldUp);l=d.inverseMat4(l);const A=d.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],d.subVec3(i.eye,d.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class gd{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=d.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new ze;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const md=d.vec2();class _d{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a,l,A,h=0,c=0,u=0,p=0,f=!1;const g=d.vec3();let m=!0;const _=this._scene.canvas.canvas,v=[];function b(e=!0){_.style.cursor="move",h=s.pointerCanvasPos[0],c=s.pointerCanvasPos[1],u=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(f=!0,g.set(o.pickResult.worldPos)):f=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!1}),_.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:v[e.input.KEY_SHIFT]||i.planView?(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b()):(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b(!1));break;case 2:l=!0,v[e.input.MOUSE_MIDDLE_BUTTON]=!0,b();break;case 3:A=!0,v[e.input.MOUSE_RIGHT_BUTTON]=!0,i.panRightClick&&b()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!a&&!l&&!A)return;const o=e.canvas.boundary,u=o[2],p=o[3],m=s.pointerCanvasPos[0],_=s.pointerCanvasPos[1],b=n._isKeyDownForAction(n.MOUSE_PAN,v),y=n._isKeyDownForAction(n.MOUSE_ROTATE,v),x=document.pointerLockElement?t.movementX:m-h,B=document.pointerLockElement?t.movementY:_-c;if(b){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(f?d.lenVec3(d.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*x*i/p,r.panDeltaY+=1.5*B*i/p}else r.panDeltaX+=.5*t.ortho.scale*(x/p),r.panDeltaY+=.5*t.ortho.scale*(B/p)}else y&&(i.planView||(i.firstPerson?(r.rotateDeltaY-=x/u*i.dragRotationRate/2,r.rotateDeltaX+=B/p*(i.dragRotationRate/4)):(r.rotateDeltaY-=x/u*(1.5*i.dragRotationRate),r.rotateDeltaX+=B/p*(1.5*i.dragRotationRate))));h=m,c=_}),_.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:case 2:case 3:a=!1,l=!1,A=!1,v[e.input.MOUSE_LEFT_BUTTON]=!1,v[e.input.MOUSE_MIDDLE_BUTTON]=!1,v[e.input.MOUSE_RIGHT_BUTTON]=!1}}),_.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,md);const i=md[0],s=md[1];Math.abs(i-u)<3&&Math.abs(s-p)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:md,event:e},!0)}_.style.removeProperty("cursor")}}),_.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const y=1/60;let x=null;_.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel&&n._isKeyDownForAction(n.MOUSE_DOLLY,v)))return;const t=performance.now()/1e3;var o=null!==x?t-x:0;x=t,o>.05&&(o=.05),o<y&&(o=y);const a=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===a)return;const l=a/Math.abs(a);r.dollyDelta+=-l*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const vd=d.vec3(),bd=d.vec3(),yd=d.vec3(),xd=d.vec3(),Bd=d.vec3(),wd={eye:d.vec3(),look:d.vec3(),up:d.vec3()};class Pd{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const u=e.aabb,p=d.getAABB3Diag(u);d.getAABB3Center(u,vd);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*d.DEGTORAD)),g=1.1*p;wd.orthoScale=g,n?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldRight,f,bd),Bd)),wd.look.set(vd),wd.up.set(o.worldUp)):a?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldForward,f,bd),Bd)),wd.look.set(vd),wd.up.set(o.worldUp)):l?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldRight,-f,bd),Bd)),wd.look.set(vd),wd.up.set(o.worldUp)):A?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldForward,-f,bd),Bd)),wd.look.set(vd),wd.up.set(o.worldUp)):h?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldUp,f,bd),Bd)),wd.look.set(vd),wd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,1,yd),xd))):c&&(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldUp,-f,bd),Bd)),wd.look.set(vd),wd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,-1,yd)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(vd),t.cameraFlight.duration>0?t.cameraFlight.flyTo(wd,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(wd),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Cd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},u=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=d.vec3(),i=d.vec3();d.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",u),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot(),this._lastClickedWorldPos=t.worldPos.slice()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):this._lastClickedWorldPos?n.setPivotPos(this._lastClickedWorldPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),u=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||u||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e&&e.worldPos?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||u||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=d.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=d.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Md{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move")))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Ed=d.vec3();class Fd{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,c=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?c=n.pickResult.worldPos:(h=1,c=null),s.followPointerDirty=!1),c){const t=Math.abs(d.lenVec3(d.subVec3(c,e.camera.eye,Ed)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,c=null;const u=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=d.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==u){if(t=u<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.pan([0,0,u]),o.ortho.scale=o.ortho.scale-u;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);else if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Id{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Dd(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Dd(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Dd(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Sd=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Td{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=d.vec2(),l=d.vec2(),A=d.vec2(),h=d.vec2(),c=[],u=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),u.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Sd(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(d.vec2());for(let e=0,t=r.length;e<t;++e)Sd(r[e],c[e]);p=r.length}),u.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),u.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],u=n[3],g=t.touches;if(t.touches.length===p){if(1===p){Sd(g[0],l),d.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/u*i.touchPanRate,r.panDeltaY+=o*n/u*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/u)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/u)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/u*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];Sd(t,l),Sd(n,A);const a=d.geometricMeanVec2(c[0],c[1]),h=d.geometricMeanVec2(l,A),p=d.vec2();d.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=d.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(d.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(d.lenVec3(d.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/u*i.touchPanRate,r.panDeltaY-=m*s/u*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/u)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/u)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Sd(g[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const Rd=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Ld{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const u=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};u.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,Rd(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)Rd(r[e],l[e]);l.length=r.length},{passive:!0}),u.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,u=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(Rd(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):d.distVec2(l[0],A)<4&&(Rd(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Ud extends R{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this.MOUSE_PAN=18,this.MOUSE_ROTATE=19,this.MOUSE_DOLLY=20,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:d.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:d.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new gd(this,this._configs),pivotController:new fd(i,this._configs),panController:new ld(i),cameraFlight:new Eu(this,{duration:.5})},this._handlers=[new Id(this.scene,this._controllers,this._configs,this._states,this._updates),new Td(this.scene,this._controllers,this._configs,this._states,this._updates),new _d(this.scene,this._controllers,this._configs,this._states,this._updates),new Pd(this.scene,this._controllers,this._configs,this._states,this._updates),new Cd(this.scene,this._controllers,this._configs,this._states,this._updates),new Ld(this.scene,this._controllers,this._configs,this._states,this._updates),new Md(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new Fd(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",y.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_areAllKeysDown(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(let i=0,s=t.length;i<s;i++){if(!e[t[i]])return!1}return!0}_isAnyOtherKeyDown(e,t){for(let i=0,s=e.length;i<s;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}_isMouseAction(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){const s=i[e];if(Array.isArray(s)){if(this._areAllKeysDown(t,s)&&!this._isAnyOtherKeyDown(t,s))return!0}else if(t[s]&&!this._isAnyOtherKeyDown(t,s))return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e;const t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0){const e=this.scene.input;for(let i=0,s=t.length;i<s;i++)this._configs.panRightClick&&t[i]===e.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[i]!==e.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_MIDDLE_BUTTON)}}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Od{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class kd{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new Od(i.name,i.value,i.type,i.valueType,i.description))}}}}class Nd{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class Qd{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new kd({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new Nd({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects[r]=o,s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e in i.metaObjects){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects);for(let i=0,s=t.length;i<s;i++){const s=t[i],r={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(r.parent=s.parent.id),s.attributes&&(r.attributes=s.attributes),s.propertySetIds&&(r.propertySetIds=s.propertySetIds),e.metaObjects.push(r)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=d.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=d.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(d.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=d.globalizeObjectId(this.id,s.id))}}}class Vd{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new Qd({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?Hd(t):null,n=i&&i.length>0?Hd(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function Hd(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
+ **/let wc=null;function Pc(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=wc[i],o=wc[i+1],n=wc[i+2]),c=Math.min(a=wc[s],l=wc[s+1],A=wc[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let Cc=null;function Mc(e,t){let i=Cc[2*e]-Cc[2*t];return 0!==i?i:Cc[2*e+1]-Cc[2*t+1]}function Ec(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;wc=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)wc[i]=e[i]>>t;i.sort(Pc);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}Cc=new Int32Array(e),t.sort(Mc);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const Fc=d.vec4(4),Ic=d.vec4(),Dc=d.vec4(),Sc=d.vec3([1,0,0]),Tc=d.vec3([0,1,0]),Rc=d.vec3([0,0,1]);d.vec3(3),d.vec3(3);const Lc=d.identityMat4();class Uc{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=d.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=d.identityMat4(new Float32Array(16)),this._worldMatrix=d.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||Lc),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Fc[0]=e[0],Fc[1]=e[1],Fc[2]=e[2],Fc[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Fc,Ic),d.mulQuaternions(this.quaternion,Ic,Dc),this.quaternion=Dc,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return Fc[0]=e[0],Fc[1]=e[1],Fc[2]=e[2],Fc[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Fc,Ic),d.mulQuaternions(Ic,this.quaternion,Ic),this}rotateX(e){return this.rotate(Sc,e)}rotateY(e){return this.rotate(Tc,e)}rotateZ(e){return this.rotate(Rc,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)d.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const Oc=d.vec3(),kc=d.OBB3(),Nc=d.vec4(),Qc=d.vec3([1,1,1]),Vc=d.vec3([0,0,0]);d.vec3([0,0,0]);const Hc=d.identityQuaternion(),jc=d.identityMat4(),Gc=new Uint8Array([255,255,255]);class zc extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(Vo++,Qo),this._textureTranscoder=t.textureTranscoder||vc(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=d.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new pr,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=d.vec3(t.origin||[0,0,0]),this._position=d.vec3(t.position||[0,0,0]),this._rotation=d.vec3(t.rotation||[0,0,0]),this._quaternion=d.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=d.vec4(t.quaternion||[0,0,0,1]),t.rotation&&d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=d.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=d.mat4(),this._worldRotationMatrixConjugate=d.mat4(),this._matrix=d.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=d.mat4(),d.inverseMat4(this._matrix,this._worldNormalMatrix),d.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=d.mat4(),this._viewNormalMatrix=d.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new lc({id:"defaultColorTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new lc({id:"defaultMetalRoughTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new lc({id:"defaultNormalsTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new lc({id:"defaultEmissiveTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new lc({id:"defaultOcclusionTexture",texture:new qr({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new ac({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||jc),d.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),d.scaleMat4v(this._scale,this._worldRotationMatrix),d.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}get rotationMatrixConjugate(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}_rebuildViewMatrices(){this._rebuildMatrices(),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}get viewMatrix(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)d.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Un(e.aabb,d.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Un(e.positionsDecodeBoundary,d.mat4())),e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Ln(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),d.expandAABB3Points3(t,e.positionsCompressed),qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=d.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=zt(e.positions,e.indices,null,5):e.edgeIndices=zt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=qt.getUVBounds(e.uv),i=qt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new qr({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;if(t.crossOrigin="Anonymous",t.compressed){const e=t.data;l.setCompressedData({mipmaps:e,props:{format:e[0].format,minFilter:i,magFilter:s}})}else l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?y.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new lc({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new ac({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new Uc({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Qc,i=e.position||Vc;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",Nc),e.meshMatrix=d.composeMat4(i,Nc,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||Hc,t,d.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Un(e.positionsDecodeBoundary,d.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=d.vec3(),i=[];q(e.positions,i,t)&&(e.positions=i,e.origin=d.addVec3(e.origin,t,t))}if(e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Ln(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=d.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,kc),d.transformOBB3(e.meshMatrix,kc),d.OBB3ToAABB3(kc,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=zt(e.positions,e.indices,null,2):e.edgeIndices=zt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=Wc(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];q(e.positions,t,Oc)&&(e.positions=t,e.origin=d.addVec3(e.origin,Oc,d.vec3()))}if(e.positions){const t=d.collapseAABB3();e.meshMatrix&&(d.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),d.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,kc),d.transformOBB3(e.meshMatrix,kc),d.OBB3ToAABB3(kc,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=zt(e.positions,e.indices,null,2):e.edgeIndices=zt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Qc,i=e.position||Vc;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",Nc),e.meshMatrix=d.composeMat4(i,Nc,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||Hc,t,d.mat4())}d.AABB3ToOBB3(e.geometry.aabb,kc),d.transformOBB3(e.meshMatrix,kc),e.aabb=d.OBB3ToAABB3(kc,d.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=Wc(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Gc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new No(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=d.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new nc(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new UA(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new Jn({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new ol({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new Wl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new Qa({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new Qa({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Pl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new mA({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=d.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=d.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;return this._visible&&!1!==e.visible&&(t|=te),this._pickable&&!1!==e.pickable&&(t|=se),this._culled&&!1!==e.culled&&(t|=ie),this._clippable&&!1!==e.clippable&&(t|=re),this._collidable&&!1!==e.collidable&&(t|=oe),this._edges&&!1!==e.edges&&(t|=Ae),this._xrayed&&!1!==e.xrayed&&(t|=ne),this._highlighted&&!1!==e.highlighted&&(t|=ae),this._selected&&!1!==e.selected&&(t|=le),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ue(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++,i}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${d.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Vo&&(Vo--,0===Vo&&Qo._clear()),super.destroy()}}function Wc(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=Bc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=Ec({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class Kc extends R{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new zc(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const Xc=d.vec3(),Jc=d.vec3(),Yc=d.vec3(),Zc=d.vec3();class qc extends z{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=d.normalizeVec3(d.subVec3(i.look,i.eye,d.vec3())),a=i.eye,l=i.up;i.yUp&&(n=tu(n),a=tu(a),l=tu(l));const A=$c(d.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:$c(n),camera_up_vector:$c(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:$c(n),camera_up_vector:$c(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?d.negateVec3(t.dir,d.vec3()):t.dir,i.yUp&&(a=tu(a),n=tu(n)),d.addVec3(a,s),a=$c(a),n=$c(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const u=t.bitmaps;for(let e in u)if(u.hasOwnProperty(e)){let t=u[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=tu(r),n=tu(n),a=tu(a)),d.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:$c(r),normal:$c(n),up:$c(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),f=new Set(t.xrayedObjectIds),g=new Set(t.colorizedObjectIds),m=Object.values(t.objects).filter((e=>p.has(e.id)||g.has(e.id)||f.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(m).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,y=t.visibleObjectIds,x=v.filter((e=>!b[e])),B=t.selectedObjectIds;return e.defaultInvisible||y.length<x.length?(o.components.visibility.exceptions=this._createBCFComponents(y),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(x),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(B),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=eu(e.location,Xc),i=eu(e.direction,Xc);A&&d.negateVec3(i),d.subVec3(t,l),r.yUp&&(t=iu(t),i=iu(i)),new Sr(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new Kc(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=eu(e.location,Jc),n=eu(e.normal,Yc),a=eu(e.up,Zc),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=iu(o),n=iu(n),a=iu(a)),new yo(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=eu(e.perspective_camera.camera_view_point,Xc),A=eu(e.perspective_camera.camera_direction,Xc),h=eu(e.perspective_camera.camera_up_vector,Xc),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=eu(e.orthogonal_camera.camera_view_point,Xc),A=eu(e.orthogonal_camera.camera_direction,Xc),h=eu(e.orthogonal_camera.camera_up_vector,Xc),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),d.subVec3(a,l),r.yUp&&(a=iu(a),A=iu(A),h=iu(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:d.addVec3(a,A,Xc)}else A=d.addVec3(a,A,Xc);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=d.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function $c(e){return{x:e[0],y:e[1],z:e[2]}}function eu(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function tu(e){return new Float64Array([e[0],-e[2],e[1]])}function iu(e){return new Float64Array([e[0],e[2],-e[1]])}const su=d.vec3(),ru=d.vec3(),ou=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class nu extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new _e(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new _e(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new xe(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new xe(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new xe(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new xe(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new Be(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new Be(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new Be(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new Be(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._measurementOrientation="Horizontal",this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._useRotationAdjustment=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._xLabelEnabled=!1,this._yLabelEnabled=!1,this._zLabelEnabled=!1,this._lengthLabelEnabled=!1,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.xLabelEnabled=t.xLabelEnabled,this.yLabelEnabled=t.yLabelEnabled,this.zLabelEnabled=t.zLabelEnabled,this.lengthLabelEnabled=t.lengthLabelEnabled,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires,this._useRotationAdjustment=t.useRotationAdjustment,this._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set axesBasis(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}get axesBasis(){return this._axesBasis}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty){const e=d.subVec3(this._targetWorld,this._originWorld,ru);this._factors=d.transformVec3(this._axesBasis,e),this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1):(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1),this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originDot.viewPos[2],i=this._targetDot.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],c=0;const i=this.plugin.viewer.scene.metrics,f=i.scale,g=i.units,m=i.unitsInfo[g].abbrev;for(var u=0,p=s.length;u<p;u+=4)r[c]=a+Math.floor((1+s[u+0]/s[u+3])*A/2),r[c+1]=n+Math.floor((1-s[u+1]/s[u+3])*h/2),c+=2;if(this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(d.lenVec3(d.subVec3(this._targetWorld,this._originWorld,su))),this._lengthLabel.setText(e+(this._length*f).toFixed(2)+m);const t=Math.abs(ou(r[0],r[1],r[2],r[3])),i=Math.abs(ou(r[2],r[3],r[4],r[5])),s=Math.abs(ou(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs(this._factors[0]*f).toFixed(2)+m),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs(this._factors[1]*f).toFixed(2)+m),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(e+Math.abs(d.lenVec3(d.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],su))*f).toFixed(2)+m)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(e+Math.abs(this._factors[2]*f).toFixed(2)+m)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set useRotationAdjustment(e){e=void 0!==e?Boolean(e):this.plugin.useRotationAdjustment,this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set xLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xLabelEnabled(){return this._xLabelEnabled}set yLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yLabelEnabled(){return this._yLabelEnabled}set zLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zLabelEnabled(){return this._zLabelEnabled}set lengthLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get lengthLabelEnabled(){return this._lengthLabelEnabled}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class au extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class lu extends au{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=d.vec3(),n=d.vec2();let a,l;let A=null;this._mouseState=0;const h=d.vec2(),c=e=>{const t=e.snappedCanvasPos||e.canvasPos;if(r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState){if(this._canvasToPagePos)this._canvasToPagePos(s,t,h),this._markerDiv.style.left=h[0]-5+"px",this._markerDiv.style.top=h[1]-5+"px";else{const e=d.vec2(t);me(s,this._markerDiv.parentNode,e),this._markerDiv.style.left=e[0]-5+"px",this._markerDiv.style.top=e[1]-5+"px"}this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity}else this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px";s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&c(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||c(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const u=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&u(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||u(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Au extends z{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultXLabelEnabled=!1!==t.defaultXLabelEnabled,this.defaultYLabelEnabled=!1!==t.defaultYLabelEnabled,this.defaultZLabelEnabled=!1!==t.defaultZLabelEnabled,this.defaultLengthLabelEnabled=!1!==t.defaultLengthLabelEnabled,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this.useRotationAdjustment=void 0!==t.useRotationAdjustment&&!1!==t.useRotationAdjustment,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new lu(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}set useRotationAdjustment(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new nu(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==e.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==e.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==e.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==e.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class hu extends au{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._attachPlugin(e,t)}_attachPlugin(e){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=l=>{const c=l.touches.length;if(1!==c)return void(o&&(clearTimeout(o),o=null));const p=l.touches[0],f=i.getBoundingClientRect(),g=p.clientX-f.left,m=p.clientY-f.top;switch(n.set([g,m]),a.set([g,m]),this._touchState){case 0:if(1!==c&&null!==o)return void u();const i=t.pick({canvasPos:a,snapping:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==c||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=s:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:s,entity:i.entity},target:{worldPos:s,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=p.identifier;break;case 3:if(1!==c&&null!==o)return clearTimeout(o),void(o=null);1===c&&(o=setTimeout((()=>{if(o=null,1!==c||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=p.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(r=>{this.pointerCircle.stop();const n=r.touches.length;if(1!==n||1!==r.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const l=r.touches[0],h=i.getBoundingClientRect(),c=l.clientX-h.left,u=l.clientY-h.top;if(l.identifier!==A)return;let p,f;switch(a.set([c,u]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),p=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),p&&p.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=p.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(p.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=p.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:p.worldPos,entity:p.entity},target:{worldPos:p.worldPos,entity:p.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(f=t.pick({canvasPos:a,pickSurface:!0}),f&&f.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=f.canvasPos,this.pointerLens.snapped=!1),s.set(f.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=f.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:f.worldPos,entity:f.entity},target:{worldPos:f.worldPos,entity:f.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==n&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),p=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),p&&p.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=p.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement.target.worldPos=p.worldPos,this._currentDistanceMeasurement.target.entity=p.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0):(f=t.pick({canvasPos:a,pickSurface:!0}),f&&f.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=f.canvasPos,this.pointerLens.snapped=!1),this._currentDistanceMeasurement.target.worldPos=f.worldPos,this._currentDistanceMeasurement.target.entity=f.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0)),this._touchState=5}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=s=>{this.pointerCircle.stop();const h=s.changedTouches.length;if(1!==h)return;const u=s.changedTouches[0],p=i.getBoundingClientRect(),f=u.clientX-p.left,g=u.clientY-p.top;if(u.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([f,g]),this._touchState){case 1:{if(1!==h||f>n[0]+r||f<n[0]-r||g>n[1]+r||g<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1,this._touchState=3,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(this._currentDistanceMeasurement&&this._currentDistanceMeasurement.destroy(),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==h||f>n[0]+r||f<n[0]-r||g>n[1]+r||g<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this._currentDistanceMeasurement.xAxisVisible=!0,this._currentDistanceMeasurement.yAxisVisible=!0,this._currentDistanceMeasurement.zAxisVisible=!0,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0}c();break;case 5:console.log("long touch"),this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement&&this._currentDistanceMeasurement.targetVisible?(this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,this._touchState=0):(this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class cu extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=be({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class uu extends cu{constructor(e,t){super(e,t,!0,!1)}}class du extends cu{constructor(e,t){super(e,t,!1,!0)}}class pu extends z{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor||1,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e||1}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class fu{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);I.scheduleTask((function(){i(e)}))}catch(e){I.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class gu{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=mu(e,i);return s?t?_u(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=mu(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=_u(r,[t]),i&&(r=_u(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function mu(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function _u(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class vu extends R{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=d.subVec3(o,r,[]);return d.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=d.lenVec3(d.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class bu extends vu{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=d.vec3();return A[0]=d.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=d.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=d.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const yu=d.vec3();class xu extends R{get type(){return"CameraPath"}constructor(e,t={}){super(e,t),this._frames=[],this._eyeCurve=new bu(this),this._lookCurve=new bu(this),this._upCurve=new bu(this),t.frames&&(this.addFrames(t.frames),this.smoothFrameTimes(1))}get frames(){return this._frames}get eyeCurve(){return this._eyeCurve}get lookCurve(){return this._lookCurve}get upCurve(){return this._upCurve}saveFrame(e){const t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}addFrame(e,t,i,s){const r={t:e,eye:t.slice(0),look:i.slice(0),up:s.slice(0)};this._frames.push(r),this._eyeCurve.points.push(r.eye),this._lookCurve.points.push(r.look),this._upCurve.points.push(r.up)}addFrames(e){let t;for(let i=0,s=e.length;i<s;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}loadFrame(e){const t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,yu),t.look=this._lookCurve.getPoint(e,yu),t.up=this._upCurve.getPoint(e,yu)}sampleFrame(e,t,i,s){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,s)}smoothFrameTimes(e){if(0===this._frames.length)return;const t=d.vec3();var i=0;this._frames[0].t=0;const s=[];for(let e=1,o=this._frames.length;e<o;e++){var r=d.lenVec3(d.subVec3(this._frames[e].eye,this._frames[e-1].eye,t));s[e]=r,i+=r}for(let t=1,r=this._frames.length;t<r;t++){const r=s[t]/i*e;this._frames[t].t=this._frames[t-1].t+r}}clearFrames(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}const Bu=d.vec3(),wu=d.vec3(),Pu=d.vec3(),Cu=d.vec3(),Mu=d.vec3();class Eu extends R{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=d.vec3(),this._eye1=d.vec3(),this._up1=d.vec3(),this._look2=d.vec3(),this._eye2=d.vec3(),this._up2=d.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((y.isNumeric(s)||y.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+y.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=d.getAABB3Center(o);this._look2=h||t;const i=d.subVec3(this._eye1,this._look1,Bu),s=d.normalizeVec3(i),r=h?d.getAABB3DiagPoint(o,h):d.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*d.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,I.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((y.isNumeric(t)||y.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+y.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?d.getAABB3DiagPoint(i,a):d.getAABB3Diag(i);let s;o=a||d.getAABB3Center(i,o),this._trail?d.subVec3(t.look,o,Mu):d.subVec3(t.eye,t.look,Mu),d.normalizeVec3(Mu);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*d.DEGTORAD)):d.lenVec3(d.subVec3(t.eye,t.look,Bu)),d.mulVec3Scalar(Mu,s),t.eye=d.addVec3(o,Mu,Bu),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Eu._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(d.subVec3(s.eye,s.look,Mu),s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,Pu),s.look=d.subVec3(Pu,Mu,wu)):this._flyingLook&&(s.look=d.lerpVec3(i,0,1,this._look1,this._look2,wu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Cu)):this._flyingEyeLookUp&&(s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,Pu),s.look=d.lerpVec3(i,0,1,this._look1,this._look2,wu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Cu)),this._projection2){const t="ortho"===this._projection2?Eu._easeOutExpo(e,0,1,1):Eu._easeInCubic(e,0,1,1);s.customProjection.matrix=d.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();I.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Fu extends R{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Eu(this),this._t=0,this.state=Fu.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Fu.SCRUBBING:return;case Fu.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Fu.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Fu.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Fu.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Fu.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Fu.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Fu.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Fu.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Fu.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Fu.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Fu.STOPPED=0,Fu.SCRUBBING=1,Fu.PLAYING=2,Fu.PLAYING_TO=3;const Iu=d.vec3(),Du=d.vec3();d.vec3();const Su=d.vec3([0,-1,0]),Tu=d.vec4([0,0,0,1]);class Ru extends R{constructor(e,t={}){super(e,t),this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new ro(this),this._plane=new Pr(this,{geometry:new ti(this,go({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new ni(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0}),clippable:t.clippable}),this._grid=new Pr(this,{geometry:new ti(this,fo({size:1,divisions:10})),material:new ni(this,{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:t.clippable}),this._node=new Hr(this,{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[this._plane,this._grid]}),this._gridVisible=!1,this.visible=!0,this.gridVisible=t.gridVisible,this.position=t.position,this.rotation=t.rotation,this.dir=t.dir,this.size=t.size,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,t.image?this.image=t.image:this.src=t.src}set visible(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}get visible(){return this._plane.visible}set gridVisible(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}get gridVisible(){return this._gridVisible}set image(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set position(e){this._pos.set(e||[0,0,0]),Z(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}get position(){return this._pos}set rotation(e){this._node.rotation=e}get rotation(){return this._node.rotation}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set dir(e){if(this._dir.set(e||[0,0,-1]),e){const t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];d.subVec3(t,this.position,Iu);const s=-d.dotVec3(i,Iu);d.normalizeVec3(i),d.mulVec3Scalar(i,s,Du),d.vec3PairToQuaternion(Su,e,Tu),this._node.quaternion=Tu}}get dir(){return this._dir}set collidable(e){this._node.collidable=!1!==e}get collidable(){return this._node.collidable}set clippable(e){this._node.clippable=!1!==e}get clippable(){return this._node.clippable}set pickable(e){this._node.pickable=!1!==e}get pickable(){return this._node.pickable}set opacity(e){this._node.opacity=e}get opacity(){return this._node.opacity}destroy(){super.destroy()}_updatePlaneSizeFromImage(){const e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){const s=i/t;this._node.scale=[e,1,e*s]}else{const s=t/i;this._node.scale=[e*s,1,e]}}}class Lu extends Vt{get type(){return"PointLight"}constructor(e,t={}){super(e,t);const i=this;this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const s=this.scene.camera,r=this.scene.canvas;this._onCameraViewMatrix=s.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=s.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=r.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new vt({type:"point",pos:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(i._shadowViewMatrixDirty){i._shadowViewMatrix||(i._shadowViewMatrix=d.identityMat4());const e=i._state.pos,t=s.look,r=s.up;d.lookAtMat4v(e,t,r,i._shadowViewMatrix),i._shadowViewMatrixDirty=!1}return i._shadowViewMatrix},getShadowProjMatrix:()=>{if(i._shadowProjMatrixDirty){i._shadowProjMatrix||(i._shadowProjMatrix=d.identityMat4());const e=i.scene.canvas.canvas;d.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,i._shadowProjMatrix),i._shadowProjMatrixDirty=!1}return i._shadowProjMatrix},getShadowRenderBuf:()=>(i._shadowRenderBuf||(i._shadowRenderBuf=new dt(i.scene.canvas.canvas,i.scene.canvas.gl,{size:[1024,1024]})),i._shadowRenderBuf)}),this.pos=t.pos,this.color=t.color,this.intensity=t.intensity,this.constantAttenuation=t.constantAttenuation,this.linearAttenuation=t.linearAttenuation,this.quadraticAttenuation=t.quadraticAttenuation,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set pos(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get pos(){return this._state.pos}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set constantAttenuation(e){this._state.attenuation[0]=e||0,this.glRedraw()}get constantAttenuation(){return this._state.attenuation[0]}set linearAttenuation(e){this._state.attenuation[1]=e||0,this.glRedraw()}get linearAttenuation(){return this._state.attenuation[1]}set quadraticAttenuation(e){this._state.attenuation[2]=e||0,this.glRedraw()}get quadraticAttenuation(){return this._state.attenuation[2]}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}function Uu(e){if(!Ou(e.width)||!Ou(e.height)){const t=document.createElement("canvas");t.width=ku(e.width),t.height=ku(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Ou(e){return 0==(e&e-1)}function ku(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class Nu extends R{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new vt({texture:new qr({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),m.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=Uu(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new qr({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),m.memory.textures--,this._state.destroy()}}class Qu extends Nu{get type(){return"ReflectionMap"}constructor(e,t={}){super(e,t),this.scene._lightsState.addReflectionMap(this._state),this.scene._reflectionMapCreated(this)}destroy(){super.destroy(),this.scene._reflectionMapDestroyed(this)}}class Vu extends Nu{get type(){return"LightMap"}constructor(e,t={}){super(e,t),this.scene._lightMapCreated(this)}destroy(){super.destroy(),this.scene._lightMapDestroyed(this)}}class Hu extends fe{constructor(e,t={}){super(e,{entity:t.entity,occludable:t.occludable,worldPos:t.worldPos}),this._occluded=!1,this._visible=!0,this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new ro(this,{src:t.src}),this._geometry=new ti(this,{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),this._mesh=new Pr(this,{geometry:this._geometry,material:new ni(this,{ambient:[.9,.3,.9],shininess:30,diffuseMap:this._texture,backfaces:!0}),scale:[1,1,1],position:t.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),this.visible=!0,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,this.size=t.size,t.image?this.image=t.image:this.src=t.src}_setVisible(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,super._setVisible(e)}set visible(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}get visible(){return this._visible}set image(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set collidable(e){this._mesh.collidable=!1!==e}get collidable(){return this._mesh.collidable}set clippable(e){this._mesh.clippable=!1!==e}get clippable(){return this._mesh.clippable}set pickable(e){this._mesh.pickable=!1!==e}get pickable(){return this._mesh.pickable}set opacity(e){this._mesh.opacity=e}get opacity(){return this._mesh.opacity}_updatePlaneSizeFromImage(){const e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],s=i/t;this._geometry.positions=t>i?[e,e*s,0,-e,e*s,0,-e,-e*s,0,e,-e*s,0]:[e/s,e,0,-e/s,e,0,-e/s,-e,0,e/s,-e,0]}}class ju{constructor(e){this._eye=d.vec3(),this._look=d.vec3(),this._up=d.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const Gu=d.vec3();class zu{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?y.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(Gu[0]=this.objectsColorize[3*e+0],Gu[1]=this.objectsColorize[3*e+1],Gu[2]=this.objectsColorize[3*e+2],t.colorize=Gu),c&&(t.opacity=this.objectsOpacity[e]))}}}const Wu=d.vec3();class Ku{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?y.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(Wu[0]=this.objectsColorize[3*c+0],Wu[1]=this.objectsColorize[3*c+1],Wu[2]=this.objectsColorize[3*c+2],t.colorize=Wu):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class Xu extends vu{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.v3=t.v3,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set v3(e){this.fire("v3",this._v3=e||d.vec3([0,0,0]))}get v3(){return this._v3}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=d.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=d.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}class Ju extends vu{constructor(e,t={}){super(e,t),this._cachedLengths=[],this._dirty=!0,this._curves=[],this._t=0,this._dirtySubs=[],this._destroyedSubs=[],this.curves=t.curves||[],this.t=t.t}addCurve(e){this._curves.push(e),this._dirty=!0}set curves(e){var t,i,s;for(e=e||[],i=0,s=this._curves.length;i<s;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var r=this;function o(){r._dirty=!0}function n(){var e=this.id;for(i=0,s=r._curves.length;i<s;i++)if(r._curves[i].id===e)return r._curves=r._curves.slice(i,i+1),r._dirtySubs=r._dirtySubs.slice(i,i+1),r._destroyedSubs=r._destroyedSubs.slice(i,i+1),void(r._dirty=!0)}for(i=0,s=e.length;i<s;i++){if(t=e[i],y.isNumeric(t)||y.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",o)),this._destroyedSubs.push(t.once("destroyed",n))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}get curves(){return this._curves}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}get length(){var e=this._getCurveLengths();return e[e.length-1]}getPoint(e){for(var t,i=e*this.length,s=this._getCurveLengths(),r=0;r<s.length;){if(s[r]>=i){var o=1-(s[r]-i)/(t=this._curves[r]).length;return t.getPointAt(o)}r++}return null}_getCurveLengths(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,s=this._curves.length;for(e=0;e<s;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}_getJSON(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}destroy(){var e,t,i;for(super.destroy(),e=0,t=this._curves.length;e<t;e++)(i=this._curves[e]).off(this._dirtySubs[e]),i.off(this._destroyedSubs[e])}}class Yu extends vu{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=d.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=d.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}class Zu extends zc{constructor(e,t={}){super(e,t)}}class qu extends R{constructor(e,t={}){super(e,t),this._skyboxMesh=new Pr(this,{geometry:new ti(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new ni(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new ro(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}class $u{transcode(e,t,i={}){}destroy(){}}const ed=d.vec4(),td=d.vec4(),id=d.vec3(),sd=d.vec3(),rd=d.vec3(),od=d.vec4(),nd=d.vec4(),ad=d.vec4();class ld{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=d.subVec3(e,r.eye,id);s=d.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,od),o=d.subVec3(s,r.eye,ad),n=d.mulVec3Scalar(d.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=d.subVec3(e,r.eye,id),i=d.lenVec3(t),s=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,sd)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,od);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,nd),o=d.subVec3(s,e,ad),n=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,id)),-i,sd),a=d.addVec3(o,n,rd);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o);return i.project.unproject(e,a,ed,td,t),t}destroy(){}}const Ad=d.vec3(),hd=d.vec3(),cd=d.vec3(),ud=d.vec4(),dd=d.vec4(),pd=d.vec4();class fd{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=d.vec3(),this._cameraOffset=d.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=d.vec3(),this._rtcPos=d.vec3(),this._pivotViewPos=d.vec4(),this._pivotProjPos=d.vec4(),this._pivotCanvasPos=d.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=d.vec3();d.decomposeMat4(d.inverseMat4(this._scene.viewer.camera.viewMatrix,d.mat4()),t,d.vec4(),d.vec3());const i=d.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),Z(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new lo(this._scene,Er({radius:s})),this._pivotSphere=new Pr(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){d.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,d.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(Z(this.getPivotPos(),this._rtcCenter,this._rtcPos),d.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new ni(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=d.lookAtMat4v(e.eye,e.look,e.worldUp);d.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=d.distVec3(e.eye,i),t=d.inverseMat4(t);const s=d.transformVec3(t,this._cameraOffset),r=d.vec3();if(d.subVec3(e.eye,i,r),d.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=d.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=d.normalizeVec3(d.subVec3(e.look,e.eye,Ad)),i=d.cross3Vec3(t,e.worldUp,hd);return d.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(d.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o),l=ud;t.project.unproject(e,a,dd,pd,l);const A=d.normalizeVec3(d.subVec3(l,t.eye,Ad)),h=d.addVec3(t.eye,d.mulVec3Scalar(A,i,hd),cd);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=d.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=d.lenVec3(d.subVec3(i.look,i.eye,d.vec3())),a=this.getPivotPos();d.addVec3(o,a);let l=d.lookAtMat4v(o,a,i.worldUp);l=d.inverseMat4(l);const A=d.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],d.subVec3(i.eye,d.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class gd{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=d.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new ze;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const md=d.vec2();class _d{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a,l,A,h=0,c=0,u=0,p=0,f=!1;const g=d.vec3();let m=!0;const _=this._scene.canvas.canvas,v=[];function b(e=!0){h=s.pointerCanvasPos[0],c=s.pointerCanvasPos[1],u=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(f=!0,g.set(o.pickResult.worldPos)):f=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!1}),_.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:v[e.input.KEY_SHIFT]||i.planView?(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b()):(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b(!1));break;case 2:l=!0,v[e.input.MOUSE_MIDDLE_BUTTON]=!0,b();break;case 3:A=!0,v[e.input.MOUSE_RIGHT_BUTTON]=!0,i.panRightClick&&b()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!a&&!l&&!A)return;const o=e.canvas.boundary,u=o[2],p=o[3],m=s.pointerCanvasPos[0],_=s.pointerCanvasPos[1],b=n._isKeyDownForAction(n.MOUSE_PAN,v),y=n._isKeyDownForAction(n.MOUSE_ROTATE,v),x=document.pointerLockElement?t.movementX:m-h,B=document.pointerLockElement?t.movementY:_-c;if(b){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(f?d.lenVec3(d.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*x*i/p,r.panDeltaY+=1.5*B*i/p}else r.panDeltaX+=.5*t.ortho.scale*(x/p),r.panDeltaY+=.5*t.ortho.scale*(B/p)}else y&&(i.planView||(i.firstPerson?(r.rotateDeltaY-=x/u*i.dragRotationRate/2,r.rotateDeltaX+=B/p*(i.dragRotationRate/4)):(r.rotateDeltaY-=x/u*(1.5*i.dragRotationRate),r.rotateDeltaX+=B/p*(1.5*i.dragRotationRate))));h=m,c=_}),_.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:case 2:case 3:a=!1,l=!1,A=!1,v[e.input.MOUSE_LEFT_BUTTON]=!1,v[e.input.MOUSE_MIDDLE_BUTTON]=!1,v[e.input.MOUSE_RIGHT_BUTTON]=!1}}),_.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,md);const i=md[0],s=md[1];Math.abs(i-u)<3&&Math.abs(s-p)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:md,event:e},!0)}_.style.removeProperty("cursor")}}),_.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const y=1/60;let x=null;_.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel&&n._isKeyDownForAction(n.MOUSE_DOLLY,v)))return;const t=performance.now()/1e3;var o=null!==x?t-x:0;x=t,o>.05&&(o=.05),o<y&&(o=y);const a=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===a)return;const l=a/Math.abs(a);r.dollyDelta+=-l*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const vd=d.vec3(),bd=d.vec3(),yd=d.vec3(),xd=d.vec3(),Bd=d.vec3(),wd={eye:d.vec3(),look:d.vec3(),up:d.vec3()};class Pd{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const u=e.aabb,p=d.getAABB3Diag(u);d.getAABB3Center(u,vd);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*d.DEGTORAD)),g=1.1*p;wd.orthoScale=g,n?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldRight,f,bd),Bd)),wd.look.set(vd),wd.up.set(o.worldUp)):a?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldForward,f,bd),Bd)),wd.look.set(vd),wd.up.set(o.worldUp)):l?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldRight,-f,bd),Bd)),wd.look.set(vd),wd.up.set(o.worldUp)):A?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldForward,-f,bd),Bd)),wd.look.set(vd),wd.up.set(o.worldUp)):h?(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldUp,f,bd),Bd)),wd.look.set(vd),wd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,1,yd),xd))):c&&(wd.eye.set(d.addVec3(vd,d.mulVec3Scalar(o.worldUp,-f,bd),Bd)),wd.look.set(vd),wd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,-1,yd)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(vd),t.cameraFlight.duration>0?t.cameraFlight.flyTo(wd,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(wd),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Cd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},u=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=d.vec3(),i=d.vec3();d.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",u),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot(),this._lastClickedWorldPos=t.worldPos.slice()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):this._lastClickedWorldPos?n.setPivotPos(this._lastClickedWorldPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),u=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||u||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e&&e.worldPos?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||u||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=d.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=d.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Md{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[];e.canvas.canvas;let a=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{a=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(l=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=l.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),a&&(s.followPointerDirty=!0,a=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Ed=d.vec3();class Fd{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController,A=t.cameraControl;let h=1,c=1,u=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--h<=0&&(h=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?u=n.pickResult.worldPos:(c=1,u=null),s.followPointerDirty=!1),u){const t=Math.abs(d.lenVec3(d.subVec3(u,e.camera.eye,Ed)));c=t/i.dollyProximityThreshold}c<i.dollyMinSpeed&&(c=i.dollyMinSpeed)}}else c=1,u=null;const p=r.dollyDelta*c;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t=A._cursors.rotate),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=d.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t=A._cursors.pan}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==p){if(t=p<0?A._cursors.dollyForward:A._cursors.dollyBackward,i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.pan([0,0,p]),o.ortho.scale=o.ortho.scale-p;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);else if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Id{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Dd(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Dd(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Dd(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Sd=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Td{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=d.vec2(),l=d.vec2(),A=d.vec2(),h=d.vec2(),c=[],u=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),u.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Sd(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(d.vec2());for(let e=0,t=r.length;e<t;++e)Sd(r[e],c[e]);p=r.length}),u.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),u.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],u=n[3],g=t.touches;if(t.touches.length===p){if(1===p){Sd(g[0],l),d.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/u*i.touchPanRate,r.panDeltaY+=o*n/u*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/u)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/u)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/u*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];Sd(t,l),Sd(n,A);const a=d.geometricMeanVec2(c[0],c[1]),h=d.geometricMeanVec2(l,A),p=d.vec2();d.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=d.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(d.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(d.lenVec3(d.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/u*i.touchPanRate,r.panDeltaY-=m*s/u*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/u)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/u)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Sd(g[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const Rd=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Ld{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const u=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};u.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,Rd(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)Rd(r[e],l[e]);l.length=r.length},{passive:!0}),u.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,u=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(Rd(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):d.distVec2(l[0],A)<4&&(Rd(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Ud extends R{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this.MOUSE_PAN=18,this.MOUSE_ROTATE=19,this.MOUSE_DOLLY=20,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:d.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:d.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new gd(this,this._configs),pivotController:new fd(i,this._configs),panController:new ld(i),cameraFlight:new Eu(this,{duration:.5})},this._handlers=[new Id(this.scene,this._controllers,this._configs,this._states,this._updates),new Td(this.scene,this._controllers,this._configs,this._states,this._updates),new _d(this.scene,this._controllers,this._configs,this._states,this._updates),new Pd(this.scene,this._controllers,this._configs,this._states,this._updates),new Cd(this.scene,this._controllers,this._configs,this._states,this._updates),new Ld(this.scene,this._controllers,this._configs,this._states,this._updates),new Md(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:"grabbing",pan:"move"},this._cameraUpdater=new Fd(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",y.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_areAllKeysDown(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(let i=0,s=t.length;i<s;i++){if(!e[t[i]])return!1}return!0}_isAnyOtherKeyDown(e,t){for(let i=0,s=e.length;i<s;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}_isMouseAction(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){const s=i[e];if(Array.isArray(s)){if(this._areAllKeysDown(t,s)&&!this._isAnyOtherKeyDown(t,s))return!0}else if(t[s]&&!this._isAnyOtherKeyDown(t,s))return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}setCursorStyle(e,t){Object.prototype.hasOwnProperty.call(this._cursors,e)?this._cursors={...this._cursors,[e]:t}:console.warn(`Action '${e}' is not valid for cursor styles.`)}getCursorStyle(e){return this._cursors[e]||null}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e;const t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0){const e=this.scene.input;for(let i=0,s=t.length;i<s;i++)this._configs.panRightClick&&t[i]===e.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[i]!==e.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_MIDDLE_BUTTON)}}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Od{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class kd{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new Od(i.name,i.value,i.type,i.valueType,i.description))}}}}class Nd{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class Qd{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new kd({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new Nd({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects[r]=o,s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e in i.metaObjects){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects);for(let i=0,s=t.length;i<s;i++){const s=t[i],r={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(r.parent=s.parent.id),s.attributes&&(r.attributes=s.attributes),s.propertySetIds&&(r.propertySetIds=s.propertySetIds),e.metaObjects.push(r)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=d.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=d.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(d.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=d.globalizeObjectId(this.id,s.id))}}}class Vd{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new Qd({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?Hd(t):null,n=i&&i.length>0?Hd(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function Hd(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
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  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
@@ -33,5 +33,5 @@ INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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 OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 PERFORMANCE OF THIS SOFTWARE.
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h=A.length?parseInt(qd.apply(void 0,A),10):0;return i*(r+a*Math.pow(10,-n))*Math.pow(10,l*h)},of={type:2},nf={type:3},af={type:4},lf={type:13},Af={type:8},hf={type:21},cf={type:9},uf={type:10},df={type:11},pf={type:12},ff={type:14},gf={type:23},mf={type:1},_f={type:25},vf={type:24},bf={type:26},yf={type:27},xf={type:28},Bf={type:29},wf={type:31},Pf={type:32},Cf=function(){function e(){this._value=[]}return e.prototype.write=function(e){this._value=this._value.concat(Zd(e))},e.prototype.read=function(){for(var e=[],t=this.consumeToken();t!==Pf;)e.push(t),t=this.consumeToken();return e},e.prototype.consumeToken=function(){var e=this.consumeCodePoint();switch(e){case 34:return this.consumeStringToken(34);case 35:var t=this.peekCodePoint(0),i=this.peekCodePoint(1),s=this.peekCodePoint(2);if(qp(t)||ef(i,s)){var r=tf(t,i,s)?2:1;return{type:5,value:this.consumeName(),flags:r}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),lf;break;case 39:return this.consumeStringToken(39);case 40:return of;case 41:return nf;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),ff;break;case 43:if(sf(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return af;case 45:var o=e,n=this.peekCodePoint(0),a=this.peekCodePoint(1);if(sf(o,n,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(tf(o,n,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===n&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),vf;break;case 46:if(sf(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return bf;case 59:return yf;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),_f;break;case 64:var A=this.peekCodePoint(0),h=this.peekCodePoint(1),c=this.peekCodePoint(2);if(tf(A,h,c))return{type:7,value:this.consumeName()};break;case 91:return xf;case 92:if(ef(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return Bf;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Af;break;case 123:return df;case 125:return pf;case 117:case 85:var u=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==u||!Yp(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),cf;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),hf;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),uf;break;case-1:return Pf}return Jp(e)?(this.consumeWhiteSpace(),wf):Xp(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):Zp(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:qd(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();Yp(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(qd.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(qd.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var s=parseInt(qd.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&Yp(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var r=[];Yp(t)&&r.length<6;)r.push(t),t=this.consumeCodePoint();return{type:30,start:s,end:parseInt(qd.apply(void 0,r),16)}}return{type:30,start:s,end:s}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),gf)}for(;;){var s=this.consumeCodePoint();if(-1===s||41===s)return{type:22,value:qd.apply(void 0,e)};if(Jp(s))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:qd.apply(void 0,e)}):(this.consumeBadUrlRemnants(),gf);if(34===s||39===s||40===s||$p(s))return this.consumeBadUrlRemnants(),gf;if(92===s){if(!ef(s,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),gf;e.push(this.consumeEscapedCodePoint())}else e.push(s)}},e.prototype.consumeWhiteSpace=function(){for(;Jp(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;ef(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=qd.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var s=this._value[i];if(-1===s||void 0===s||s===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===s)return this._value.splice(0,i),mf;if(92===s){var r=this._value[i+1];-1!==r&&void 0!==r&&(10===r?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):ef(s,r)&&(t+=this.consumeStringSlice(i),t+=qd(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());Xp(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var s=this.peekCodePoint(1);if(46===i&&Xp(s))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;Xp(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),s=this.peekCodePoint(1);var r=this.peekCodePoint(2);if((69===i||101===i)&&((43===s||45===s)&&Xp(r)||Xp(s)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;Xp(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[rf(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],s=this.peekCodePoint(0),r=this.peekCodePoint(1),o=this.peekCodePoint(2);return tf(s,r,o)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===s?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(Yp(e)){for(var t=qd(e);Yp(this.peekCodePoint(0))&&t.length<6;)t+=qd(this.consumeCodePoint());Jp(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(qp(t))e+=qd(t);else{if(!ef(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=qd(this.consumeEscapedCodePoint())}}},e}(),Mf=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new Cf;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||Uf(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?Pf:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),Ef=function(e){return 15===e.type},Ff=function(e){return 17===e.type},If=function(e){return 20===e.type},Df=function(e){return 0===e.type},Sf=function(e,t){return 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Math.PI/200*t.number;case"rad":return t.number;case"turn":return 2*Math.PI*t.number}throw new Error("Unsupported angle type")},Wf=function(e){return 15===e.type&&("deg"===e.unit||"grad"===e.unit||"rad"===e.unit||"turn"===e.unit)},Kf=function(e){switch(e.filter(If).map((function(e){return e.value})).join(" ")){case"to bottom right":case"to right bottom":case"left top":case"top left":return[Qf,Qf];case"to top":case"bottom":return Xf(0);case"to bottom left":case"to left bottom":case"right top":case"top right":return[Qf,Hf];case"to right":case"left":return Xf(90);case"to top left":case"to left top":case"right bottom":case"bottom right":return[Hf,Hf];case"to bottom":case"top":return Xf(180);case"to top right":case"to right top":case"left bottom":case"bottom left":return[Hf,Qf];case"to left":case"right":return Xf(270)}return 0},Xf=function(e){return Math.PI*e/180},Yf=function(e,t){if(18===t.type){var i=sg[t.name];if(void 0===i)throw new Error('Attempting to parse an unsupported color 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qv(i.left+w/2,i.top+y/2),this.topRightBorderStroke=r>0||o>0?sb(i.left+m,i.top+y/2,a-x/2,l-y/2,Ev.TOP_RIGHT):new qv(i.left+i.width-x/2,i.top+y/2),this.bottomRightBorderStroke=h>0||c>0?sb(i.left+v,i.top+_,h-x/2,c-B/2,Ev.BOTTOM_RIGHT):new qv(i.left+i.width-x/2,i.top+i.height-B/2),this.bottomLeftBorderStroke=d>0||p>0?sb(i.left+w/2,i.top+b,d-w/2,p-B/2,Ev.BOTTOM_LEFT):new qv(i.left+w/2,i.top+i.height-B/2),this.topLeftBorderBox=r>0||o>0?sb(i.left,i.top,r,o,Ev.TOP_LEFT):new qv(i.left,i.top),this.topRightBorderBox=a>0||l>0?sb(i.left+m,i.top,a,l,Ev.TOP_RIGHT):new qv(i.left+i.width,i.top),this.bottomRightBorderBox=h>0||c>0?sb(i.left+v,i.top+_,h,c,Ev.BOTTOM_RIGHT):new qv(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?sb(i.left,i.top+b,d,p,Ev.BOTTOM_LEFT):new qv(i.left,i.top+i.height),this.topLeftPaddingBox=r>0||o>0?sb(i.left+w,i.top+y,Math.max(0,r-w),Math.max(0,o-y),Ev.TOP_LEFT):new qv(i.left+w,i.top+y),this.topRightPaddingBox=a>0||l>0?sb(i.left+Math.min(m,i.width-x),i.top+y,m>i.width+x?0:Math.max(0,a-x),Math.max(0,l-y),Ev.TOP_RIGHT):new qv(i.left+i.width-x,i.top+y),this.bottomRightPaddingBox=h>0||c>0?sb(i.left+Math.min(v,i.width-w),i.top+Math.min(_,i.height-B),Math.max(0,h-x),Math.max(0,c-B),Ev.BOTTOM_RIGHT):new qv(i.left+i.width-x,i.top+i.height-B),this.bottomLeftPaddingBox=d>0||p>0?sb(i.left+w,i.top+Math.min(b,i.height-B),Math.max(0,d-w),Math.max(0,p-B),Ev.BOTTOM_LEFT):new qv(i.left+w,i.top+i.height-B),this.topLeftContentBox=r>0||o>0?sb(i.left+w+E,i.top+y+P,Math.max(0,r-(w+E)),Math.max(0,o-(y+P)),Ev.TOP_LEFT):new qv(i.left+w+E,i.top+y+P),this.topRightContentBox=a>0||l>0?sb(i.left+Math.min(m,i.width+w+E),i.top+y+P,m>i.width+w+E?0:a-w+E,l-(y+P),Ev.TOP_RIGHT):new qv(i.left+i.width-(x+C),i.top+y+P),this.bottomRightContentBox=h>0||c>0?sb(i.left+Math.min(v,i.width-(w+E)),i.top+Math.min(_,i.height+y+P),Math.max(0,h-(x+C)),c-(B+M),Ev.BOTTOM_RIGHT):new qv(i.left+i.width-(x+C),i.top+i.height-(B+M)),this.bottomLeftContentBox=d>0||p>0?sb(i.left+w+E,i.top+b,Math.max(0,d-(w+E)),p-(B+M),Ev.BOTTOM_LEFT):new qv(i.left+w+E,i.top+i.height-(B+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}(Ev||(Ev={}));var sb=function(e,t,i,s,r){var o=(Math.sqrt(2)-1)/3*4,n=i*o,a=s*o,l=e+i,A=t+s;switch(r){case Ev.TOP_LEFT:return new eb(new qv(e,A),new qv(e,A-a),new qv(l-n,t),new qv(l,t));case Ev.TOP_RIGHT:return new eb(new qv(e,t),new qv(e+n,t),new qv(l,A-a),new qv(l,A));case Ev.BOTTOM_RIGHT:return new eb(new qv(l,t),new qv(l,t+a),new qv(e+n,A),new qv(e,A));case Ev.BOTTOM_LEFT:default:return new eb(new qv(l,A),new qv(l-n,A),new qv(e,t+a),new qv(e,t))}},rb=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},ob=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},nb=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},ab=function(e,t){this.path=e,this.target=t,this.type=1},lb=function(e){this.opacity=e,this.type=2,this.target=6},Ab=function(e){return 1===e.type},hb=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},cb=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},ub=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new ib(this.container),this.container.styles.opacity<1&&this.effects.push(new lb(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,s=this.container.bounds.top+this.container.styles.transformOrigin[1].number,r=this.container.styles.transform;this.effects.push(new nb(i,s,r))}if(0!==this.container.styles.overflowX){var o=rb(this.curves),n=ob(this.curves);hb(o,n)?this.effects.push(new ab(o,6)):(this.effects.push(new ab(o,2)),this.effects.push(new ab(n,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,s=this.effects.slice(0);i;){var r=i.effects.filter((function(e){return!Ab(e)}));if(t||0!==i.container.styles.position||!i.parent){if(s.unshift.apply(s,r),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var o=rb(i.curves),n=ob(i.curves);hb(o,n)||s.unshift(new ab(n,6))}}else s.unshift.apply(s,r);i=i.parent}return s.filter((function(t){return km(t.target,e)}))},e}(),db=function(e,t,i,s){e.container.elements.forEach((function(r){var o=km(r.flags,4),n=km(r.flags,2),a=new ub(r,e);km(r.styles.display,2048)&&s.push(a);var l=km(r.flags,8)?[]:s;if(o||n){var A=o||r.styles.isPositioned()?i:t,h=new cb(a);if(r.styles.isPositioned()||r.styles.opacity<1||r.styles.isTransformed()){var c=r.styles.zIndex.order;if(c<0){var u=0;A.negativeZIndex.some((function(e,t){return c>e.element.container.styles.zIndex.order?(u=t,!1):u>0})),A.negativeZIndex.splice(u,0,h)}else if(c>0){var d=0;A.positiveZIndex.some((function(e,t){return c>=e.element.container.styles.zIndex.order?(d=t+1,!1):d>0})),A.positiveZIndex.splice(d,0,h)}else A.zeroOrAutoZIndexOrTransformedOrOpacity.push(h)}else r.styles.isFloating()?A.nonPositionedFloats.push(h):A.nonPositionedInlineLevel.push(h);db(a,h,o?h:i,l)}else r.styles.isInlineLevel()?t.inlineLevel.push(a):t.nonInlineLevel.push(a),db(a,t,i,l);km(r.flags,8)&&pb(r,l)}))},pb=function(e,t){for(var i=e instanceof k_?e.start:1,s=e instanceof k_&&e.reversed,r=0;r<t.length;r++){var o=t[r];o.container instanceof O_&&"number"==typeof o.container.value&&0!==o.container.value&&(i=o.container.value),o.listValue=Cv(i,o.container.styles.listStyleType,!0),i+=s?-1:1}},fb=function(e,t){switch(t){case 0:return mb(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return mb(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return mb(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return mb(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},gb=function(e,t){var i=[];return tb(e)?i.push(e.subdivide(.5,!1)):i.push(e),tb(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},mb=function(e,t,i,s){var r=[];return tb(e)?r.push(e.subdivide(.5,!1)):r.push(e),tb(i)?r.push(i.subdivide(.5,!0)):r.push(i),tb(s)?r.push(s.subdivide(.5,!0).reverse()):r.push(s),tb(t)?r.push(t.subdivide(.5,!1).reverse()):r.push(t),r},_b=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},vb=function(e){var t=e.styles,i=e.bounds,s=Gf(t.paddingLeft,i.width),r=Gf(t.paddingRight,i.width),o=Gf(t.paddingTop,i.width),n=Gf(t.paddingBottom,i.width);return i.add(s+t.borderLeftWidth,o+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+s+r),-(t.borderTopWidth+t.borderBottomWidth+o+n))},bb=function(e,t,i){var s=function(e,t){return 0===e?t.bounds:2===e?vb(t):_b(t)}(wb(e.styles.backgroundOrigin,t),e),r=function(e,t){return 0===e?t.bounds:2===e?vb(t):_b(t)}(wb(e.styles.backgroundClip,t),e),o=Bb(wb(e.styles.backgroundSize,t),i,s),n=o[0],a=o[1],l=jf(wb(e.styles.backgroundPosition,t),s.width-n,s.height-a);return[Pb(wb(e.styles.backgroundRepeat,t),l,o,s,r),Math.round(s.left+l[0]),Math.round(s.top+l[1]),n,a]},yb=function(e){return If(e)&&e.value===gg.AUTO},xb=function(e){return"number"==typeof e},Bb=function(e,t,i){var s=t[0],r=t[1],o=t[2],n=e[0],a=e[1];if(!n)return[0,0];if(kf(n)&&a&&kf(a))return[Gf(n,i.width),Gf(a,i.height)];var l=xb(o);if(If(n)&&(n.value===gg.CONTAIN||n.value===gg.COVER))return xb(o)?i.width/i.height<o!=(n.value===gg.COVER)?[i.width,i.width/o]:[i.height*o,i.height]:[i.width,i.height];var A=xb(s),h=xb(r),c=A||h;if(yb(n)&&(!a||yb(a)))return A&&h?[s,r]:l||c?c&&l?[A?s:r*o,h?r:s/o]:[A?s:i.width,h?r:i.height]:[i.width,i.height];if(l){var u=0,d=0;return kf(n)?u=Gf(n,i.width):kf(a)&&(d=Gf(a,i.height)),yb(n)?u=d*o:a&&!yb(a)||(d=u/o),[u,d]}var p=null,f=null;if(kf(n)?p=Gf(n,i.width):a&&kf(a)&&(f=Gf(a,i.height)),null===p||a&&!yb(a)||(f=A&&h?p/s*r:i.height),null!==f&&yb(n)&&(p=A&&h?f/r*s:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},wb=function(e,t){var i=e[t];return void 0===i?e[0]:i},Pb=function(e,t,i,s,r){var o=t[0],n=t[1],a=i[0],l=i[1];switch(e){case 2:return[new qv(Math.round(s.left),Math.round(s.top+n)),new qv(Math.round(s.left+s.width),Math.round(s.top+n)),new qv(Math.round(s.left+s.width),Math.round(l+s.top+n)),new qv(Math.round(s.left),Math.round(l+s.top+n))];case 3:return[new qv(Math.round(s.left+o),Math.round(s.top)),new qv(Math.round(s.left+o+a),Math.round(s.top)),new qv(Math.round(s.left+o+a),Math.round(s.height+s.top)),new qv(Math.round(s.left+o),Math.round(s.height+s.top))];case 1:return[new qv(Math.round(s.left+o),Math.round(s.top+n)),new qv(Math.round(s.left+o+a),Math.round(s.top+n)),new qv(Math.round(s.left+o+a),Math.round(s.top+n+l)),new qv(Math.round(s.left+o),Math.round(s.top+n+l))];default:return[new qv(Math.round(r.left),Math.round(r.top)),new qv(Math.round(r.left+r.width),Math.round(r.top)),new qv(Math.round(r.left+r.width),Math.round(r.height+r.top)),new qv(Math.round(r.left),Math.round(r.height+r.top))]}},Cb=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),s=this._document.createElement("img"),r=this._document.createElement("span"),o=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",o.appendChild(i),s.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",s.width=1,s.height=1,s.style.margin="0",s.style.padding="0",s.style.verticalAlign="baseline",r.style.fontFamily=e,r.style.fontSize=t,r.style.margin="0",r.style.padding="0",r.appendChild(this._document.createTextNode("Hidden Text")),i.appendChild(r),i.appendChild(s);var n=s.offsetTop-r.offsetTop+2;i.removeChild(r),i.appendChild(this._document.createTextNode("Hidden Text")),i.style.lineHeight="normal",s.style.verticalAlign="super";var a=s.offsetTop-i.offsetTop+2;return o.removeChild(i),{baseline:n,middle:a}},e.prototype.getMetrics=function(e,t){var i=e+" "+t;return void 0===this._data[i]&&(this._data[i]=this.parseMetrics(e,t)),this._data[i]},e}(),Mb=function(e,t){this.context=e,this.options=t},Eb=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s._activeEffects=[],s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),i.canvas||(s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px"),s.fontMetrics=new Cb(document),s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.ctx.textBaseline="bottom",s._activeEffects=[],s.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),s}return Gd(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),Ab(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return Wd(this,void 0,void 0,(function(){return Kd(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return Wd(this,void 0,void 0,(function(){return Kd(this,(function(t){switch(t.label){case 0:return km(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var s=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):C_(e.text).reduce((function(t,r){return s.ctx.fillText(r,t,e.bounds.top+i),t+s.ctx.measureText(r).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=Tb(e.fontFamily).join(", "),s=Ef(e.fontSize)?""+e.fontSize.number+e.fontSize.unit:e.fontSize.number+"px";return[[e.fontStyle,t,e.fontWeight,s,i].join(" "),i,s]},t.prototype.renderTextNode=function(e,t){return Wd(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h=this;return Kd(this,(function(c){return i=this.createFontStyle(t),s=i[0],r=i[1],o=i[2],this.ctx.font=s,this.ctx.direction=1===t.direction?"rtl":"ltr",this.ctx.textAlign="left",this.ctx.textBaseline="alphabetic",n=this.fontMetrics.getMetrics(r,o),a=n.baseline,l=n.middle,A=t.paintOrder,e.textBounds.forEach((function(e){A.forEach((function(i){switch(i){case 0:h.ctx.fillStyle=Zf(t.color),h.renderTextWithLetterSpacing(e,t.letterSpacing,a);var s=t.textShadow;s.length&&e.text.trim().length&&(s.slice(0).reverse().forEach((function(i){h.ctx.shadowColor=Zf(i.color),h.ctx.shadowOffsetX=i.offsetX.number*h.options.scale,h.ctx.shadowOffsetY=i.offsetY.number*h.options.scale,h.ctx.shadowBlur=i.blur.number,h.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),h.ctx.shadowColor="",h.ctx.shadowOffsetX=0,h.ctx.shadowOffsetY=0,h.ctx.shadowBlur=0),t.textDecorationLine.length&&(h.ctx.fillStyle=Zf(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:h.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(h.ctx.strokeStyle=Zf(t.webkitTextStrokeColor),h.ctx.lineWidth=t.webkitTextStrokeWidth,h.ctx.lineJoin=window.chrome?"miter":"round",h.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),h.ctx.strokeStyle="",h.ctx.lineWidth=0,h.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var s=vb(e),r=ob(t);this.path(r),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,s.left,s.top,s.width,s.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return Wd(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v;return Kd(this,(function(b){switch(b.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,s=e.curves,r=i.styles,o=0,n=i.textNodes,b.label=1;case 1:return o<n.length?(a=n[o],[4,this.renderTextNode(a,r)]):[3,4];case 2:b.sent(),b.label=3;case 3:return o++,[3,1];case 4:if(!(i instanceof R_))return[3,8];b.label=5;case 5:return b.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,8];case 7:return b.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof L_&&this.renderReplacedElement(i,s,i.canvas),!(i instanceof U_))return[3,12];b.label=9;case 9:return b.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,12];case 11:return b.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof z_&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=b.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),b.label=14;case 14:if(i instanceof H_&&(A=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new qv(i.bounds.left+.39363*A,i.bounds.top+.79*A),new qv(i.bounds.left+.16*A,i.bounds.top+.5549*A),new qv(i.bounds.left+.27347*A,i.bounds.top+.44071*A),new qv(i.bounds.left+.39694*A,i.bounds.top+.5649*A),new qv(i.bounds.left+.72983*A,i.bounds.top+.23*A),new qv(i.bounds.left+.84*A,i.bounds.top+.34085*A),new qv(i.bounds.left+.39363*A,i.bounds.top+.79*A)]),this.ctx.fillStyle=Zf(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+A/2,i.bounds.top+A/2,A/4,0,2*Math.PI,!0),this.ctx.fillStyle=Zf(707406591),this.ctx.fill(),this.ctx.restore())),Fb(i)&&i.value.length){switch(h=this.createFontStyle(r),_=h[0],c=h[1],u=this.fontMetrics.getMetrics(_,c).baseline,this.ctx.font=_,this.ctx.fillStyle=Zf(r.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=Db(i.styles.textAlign),v=vb(i),d=0,i.styles.textAlign){case 1:d+=v.width/2;break;case 2:d+=v.width}p=v.add(d,0,0,-v.height/2+1),this.ctx.save(),this.path([new qv(v.left,v.top),new qv(v.left+v.width,v.top),new qv(v.left+v.width,v.top+v.height),new qv(v.left,v.top+v.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new B_(i.value,p),r.letterSpacing,u),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!km(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];g=void 0,m=f.url,b.label=15;case 15:return b.trys.push([15,17,,18]),[4,this.context.cache.match(m)];case 16:return g=b.sent(),this.ctx.drawImage(g,i.bounds.left-(g.width+10),i.bounds.top),[3,18];case 17:return b.sent(),this.context.logger.error("Error loading list-style-image "+m),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(_=this.createFontStyle(r)[0],this.ctx.font=_,this.ctx.fillStyle=Zf(r.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",v=new Yd(i.bounds.left,i.bounds.top+Gf(i.styles.paddingTop,i.bounds.width),i.bounds.width,tm(r.lineHeight,r.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new B_(e.listValue,v),r.letterSpacing,tm(r.lineHeight,r.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),b.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return Wd(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A,h,c,u,d,p,f;return Kd(this,(function(g){switch(g.label){case 0:return km(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:g.sent(),t=0,i=e.negativeZIndex,g.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:g.sent(),g.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:g.sent(),s=0,r=e.nonInlineLevel,g.label=7;case 7:return s<r.length?(f=r[s],[4,this.renderNode(f)]):[3,10];case 8:g.sent(),g.label=9;case 9:return s++,[3,7];case 10:o=0,n=e.nonPositionedFloats,g.label=11;case 11:return o<n.length?(f=n[o],[4,this.renderStack(f)]):[3,14];case 12:g.sent(),g.label=13;case 13:return o++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,g.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:g.sent(),g.label=17;case 17:return a++,[3,15];case 18:A=0,h=e.inlineLevel,g.label=19;case 19:return A<h.length?(f=h[A],[4,this.renderNode(f)]):[3,22];case 20:g.sent(),g.label=21;case 21:return A++,[3,19];case 22:c=0,u=e.zeroOrAutoZIndexOrTransformedOrOpacity,g.label=23;case 23:return c<u.length?(f=u[c],[4,this.renderStack(f)]):[3,26];case 24:g.sent(),g.label=25;case 25:return c++,[3,23];case 26:d=0,p=e.positiveZIndex,g.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:g.sent(),g.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var s=tb(e)?e.start:e;0===i?t.ctx.moveTo(s.x,s.y):t.ctx.lineTo(s.x,s.y),tb(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,s){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,s),this.ctx.fill(),this.ctx.translate(-i,-s)},t.prototype.resizeImage=function(e,t,i){var s;if(e.width===t&&e.height===i)return e;var r=(null!==(s=this.canvas.ownerDocument)&&void 0!==s?s:document).createElement("canvas");return r.width=Math.max(1,t),r.height=Math.max(1,i),r.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),r},t.prototype.renderBackgroundImage=function(e){return Wd(this,void 0,void 0,(function(){var t,i,s,r,o,n;return Kd(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,x,B,w,P,C,M,E,F,I,D,S,T,R;return Kd(this,(function(L){switch(L.label){case 0:if(0!==i.type)return[3,5];r=void 0,o=i.url,L.label=1;case 1:return L.trys.push([1,3,,4]),[4,s.context.cache.match(o)];case 2:return r=L.sent(),[3,4];case 3:return L.sent(),s.context.logger.error("Error loading background-image "+o),[3,4];case 4:return r&&(n=bb(e,t,[r.width,r.height,r.width/r.height]),v=n[0],P=n[1],C=n[2],x=n[3],B=n[4],m=s.ctx.createPattern(s.resizeImage(r,x,B),"repeat"),s.renderRepeat(v,m,P,C)),[3,6];case 5:1===i.type?(a=bb(e,t,[null,null,null]),v=a[0],P=a[1],C=a[2],x=a[3],B=a[4],l=hg(i.angle,x,B),A=l[0],h=l[1],c=l[2],u=l[3],d=l[4],(p=document.createElement("canvas")).width=x,p.height=B,f=p.getContext("2d"),g=f.createLinearGradient(h,u,c,d),Ag(i.stops,A).forEach((function(e){return g.addColorStop(e.stop,Zf(e.color))})),f.fillStyle=g,f.fillRect(0,0,x,B),x>0&&B>0&&(m=s.ctx.createPattern(p,"repeat"),s.renderRepeat(v,m,P,C))):function(e){return 2===e.type}(i)&&(_=bb(e,t,[null,null,null]),v=_[0],b=_[1],y=_[2],x=_[3],B=_[4],w=0===i.position.length?[Vf]:i.position,P=Gf(w[0],x),C=Gf(w[w.length-1],B),M=function(e,t,i,s,r){var o=0,n=0;switch(e.size){case 0:0===e.shape?o=n=Math.min(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.min(Math.abs(t),Math.abs(t-s)),n=Math.min(Math.abs(i),Math.abs(i-r)));break;case 2:if(0===e.shape)o=n=Math.min(cg(t,i),cg(t,i-r),cg(t-s,i),cg(t-s,i-r));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-r))/Math.min(Math.abs(t),Math.abs(t-s)),l=ug(s,r,t,i,!0),A=l[0],h=l[1];n=a*(o=cg(A-t,(h-i)/a))}break;case 1:0===e.shape?o=n=Math.max(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.max(Math.abs(t),Math.abs(t-s)),n=Math.max(Math.abs(i),Math.abs(i-r)));break;case 3:if(0===e.shape)o=n=Math.max(cg(t,i),cg(t,i-r),cg(t-s,i),cg(t-s,i-r));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-r))/Math.max(Math.abs(t),Math.abs(t-s));var c=ug(s,r,t,i,!1);A=c[0],h=c[1],n=a*(o=cg(A-t,(h-i)/a))}}return Array.isArray(e.size)&&(o=Gf(e.size[0],s),n=2===e.size.length?Gf(e.size[1],r):o),[o,n]}(i,P,C,x,B),E=M[0],F=M[1],E>0&&F>0&&(I=s.ctx.createRadialGradient(b+P,y+C,0,b+P,y+C,E),Ag(i.stops,2*E).forEach((function(e){return I.addColorStop(e.stop,Zf(e.color))})),s.path(v),s.ctx.fillStyle=I,E!==F?(D=e.bounds.left+.5*e.bounds.width,S=e.bounds.top+.5*e.bounds.height,R=1/(T=F/E),s.ctx.save(),s.ctx.translate(D,S),s.ctx.transform(1,0,0,T,0,0),s.ctx.translate(-D,-S),s.ctx.fillRect(b,R*(y-S)+S,x,B*R),s.ctx.restore()):s.ctx.fill())),L.label=6;case 6:return t--,[2]}}))},s=this,r=0,o=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return r<o.length?(n=o[r],[5,i(n)]):[3,4];case 2:a.sent(),a.label=3;case 3:return r++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return Wd(this,void 0,void 0,(function(){return Kd(this,(function(s){return this.path(fb(i,t)),this.ctx.fillStyle=Zf(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,s){return Wd(this,void 0,void 0,(function(){var r,o;return Kd(this,(function(n){switch(n.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,s)]:[3,2];case 1:return n.sent(),[2];case 2:return r=function(e,t){switch(t){case 0:return mb(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return mb(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return mb(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return mb(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(s,i),this.path(r),this.ctx.fillStyle=Zf(e),this.ctx.fill(),o=function(e,t){switch(t){case 0:return mb(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return mb(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return mb(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return mb(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(s,i),this.path(o),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return Wd(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A=this;return Kd(this,(function(h){switch(h.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!Jf(t.backgroundColor)||t.backgroundImage.length,s=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],r=Ib(wb(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(r),this.ctx.clip(),Jf(t.backgroundColor)||(this.ctx.fillStyle=Zf(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:h.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){A.ctx.save();var i,s,r,o,n,a=rb(e.curves),l=t.inset?0:1e4,h=(i=a,s=-l+(t.inset?1:-1)*t.spread.number,r=(t.inset?1:-1)*t.spread.number,o=t.spread.number*(t.inset?-2:2),n=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(s,r);case 1:return e.add(s+o,r);case 2:return e.add(s+o,r+n);case 3:return e.add(s,r+n)}return e})));t.inset?(A.path(a),A.ctx.clip(),A.mask(h)):(A.mask(a),A.ctx.clip(),A.path(h)),A.ctx.shadowOffsetX=t.offsetX.number+l,A.ctx.shadowOffsetY=t.offsetY.number,A.ctx.shadowColor=Zf(t.color),A.ctx.shadowBlur=t.blur.number,A.ctx.fillStyle=t.inset?Zf(t.color):"rgba(0,0,0,1)",A.ctx.fill(),A.ctx.restore()})),h.label=2;case 2:o=0,n=0,a=s,h.label=3;case 3:return n<a.length?0!==(l=a[n]).style&&!Jf(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,2)]:[3,11]:[3,13];case 4:return h.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,3)];case 6:return h.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,o,e.curves)];case 8:return h.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,o,e.curves)];case 10:h.sent(),h.label=11;case 11:o++,h.label=12;case 12:return n++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,s,r){return Wd(this,void 0,void 0,(function(){var o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b;return Kd(this,(function(y){return this.ctx.save(),o=function(e,t){switch(t){case 0:return gb(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return gb(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return gb(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return gb(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(s,i),n=fb(s,i),2===r&&(this.path(n),this.ctx.clip()),tb(n[0])?(a=n[0].start.x,l=n[0].start.y):(a=n[0].x,l=n[0].y),tb(n[1])?(A=n[1].end.x,h=n[1].end.y):(A=n[1].x,h=n[1].y),c=0===i||2===i?Math.abs(a-A):Math.abs(l-h),this.ctx.beginPath(),3===r?this.formatPath(o):this.formatPath(n.slice(0,2)),u=t<3?3*t:2*t,d=t<3?2*t:t,3===r&&(u=t,d=t),p=!0,c<=2*u?p=!1:c<=2*u+d?(u*=f=c/(2*u+d),d*=f):(g=Math.floor((c+d)/(u+d)),m=(c-g*u)/(g-1),d=(_=(c-(g+1)*u)/g)<=0||Math.abs(d-m)<Math.abs(d-_)?m:_),p&&(3===r?this.ctx.setLineDash([0,u+d]):this.ctx.setLineDash([u,d])),3===r?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=Zf(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===r&&(tb(n[0])&&(v=n[3],b=n[0],this.ctx.beginPath(),this.formatPath([new qv(v.end.x,v.end.y),new qv(b.start.x,b.start.y)]),this.ctx.stroke()),tb(n[1])&&(v=n[1],b=n[2],this.ctx.beginPath(),this.formatPath([new qv(v.end.x,v.end.y),new qv(b.start.x,b.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return Wd(this,void 0,void 0,(function(){var t;return Kd(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=Zf(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),s=new ub(e,null),r=new cb(s),db(s,r,r,o=[]),pb(s.container,o),t=r,[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}var s,r,o}))}))},t}(Mb),Fb=function(e){return e instanceof G_||(e instanceof j_||e instanceof H_&&"radio"!==e.type&&"checkbox"!==e.type)},Ib=function(e,t){switch(e){case 0:return rb(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return ob(t)}},Db=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},Sb=["-apple-system","system-ui"],Tb=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===Sb.indexOf(e)})):e},Rb=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),s.options=i,s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px",s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),s}return Gd(t,e),t.prototype.render=function(e){return Wd(this,void 0,void 0,(function(){var t,i;return Kd(this,(function(s){switch(s.label){case 0:return 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ay.isSupported()}static getWorkerFarm(e={}){return hy._workerFarm=hy._workerFarm||new hy({}),hy._workerFarm.setProps(e),hy._workerFarm}constructor(e){qb(this,"props",void 0),qb(this,"workerPools",new Map),this.props={...Ay},this.setProps(e),this.workerPools=new Map}destroy(){for(const e of this.workerPools.values())e.destroy();this.workerPools=new Map}setProps(e){this.props={...this.props,...e};for(const e of this.workerPools.values())e.setProps(this._getWorkerPoolProps())}getWorkerPool(e){const{name:t,source:i,url:s}=e;let r=this.workerPools.get(t);return r||(r=new ly({name:t,source:i,url:s}),r.setProps(this._getWorkerPoolProps()),this.workerPools.set(t,r)),r}_getWorkerPoolProps(){return{maxConcurrency:this.props.maxConcurrency,maxMobileConcurrency:this.props.maxMobileConcurrency,reuseWorkers:this.props.reuseWorkers,onDebug:this.props.onDebug}}}qb(hy,"_workerFarm",void 0);var cy=Object.freeze({__proto__:null,default:{}});const uy={};async function dy(e,t=null,i={}){return 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image");return{width:o,height:r,data:h,compressed:n,hasAlpha:s,format:a}}function TB(e,t){let i=e&&e.basis&&e.basis.format;return"auto"===i&&(i=RB()),"object"==typeof i&&(i=t?i.alpha:i.noAlpha),i=i.toLowerCase(),EB[i]}function RB(){const e=mB();return e.has("astc")?"astc-4x4":e.has("dxt")?{alpha:"bc3",noAlpha:"bc1"}:e.has("pvrtc")?{alpha:"pvrtc1-4-rgba",noAlpha:"pvrtc1-4-rgb"}:e.has("etc1")?"etc1":e.has("etc2")?"etc2":"rgb565"}const LB={...{name:"Basis",id:"basis",module:"textures",version:"3.2.6",worker:!0,extensions:["basis","ktx2"],mimeTypes:["application/octet-stream","image/ktx2"],tests:["sB"],binary:!0,options:{basis:{format:"auto",libraryPath:"libs/",containerFormat:"auto",module:"transcoder"}}},parse:async function(e,t){if("auto"===t.basis.containerFormat){if(function(e){const t=new Uint8Array(e);return!(t.byteLength<MB.length||t[0]!==MB[0]||t[1]!==MB[1]||t[2]!==MB[2]||t[3]!==MB[3]||t[4]!==MB[4]||t[5]!==MB[5]||t[6]!==MB[6]||t[7]!==MB[7]||t[8]!==MB[8]||t[9]!==MB[9]||t[10]!==MB[10]||t[11]!==MB[11])}(e)){return DB((await aB(t)).KTX2File,e,t)}const{BasisFile:i}=await nB(t);return FB(i,e,t)}if("encoder"===t.basis.module){const i=await aB(t);return"ktx2"===t.basis.containerFormat?DB(i.KTX2File,e,t):FB(i.BasisFile,e,t)}{const{BasisFile:i}=await nB(t);return FB(i,e,t)}}},{_parseImageNode:UB}=globalThis,OB="undefined"!=typeof Image,kB="undefined"!=typeof ImageBitmap,NB=Boolean(UB),QB=!!jb||NB;function VB(e){const t=function(e){if("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap)return"imagebitmap";if("undefined"!=typeof Image&&e instanceof Image)return"image";if(e&&"object"==typeof e&&e.data&&e.width&&e.height)return"data";return null}(e);if(!t)throw new Error("Not an image");return t}const HB=/^data:image\/svg\+xml/,jB=/\.svg((\?|#).*)?$/;function GB(e){return e&&(HB.test(e)||jB.test(e))}function zB(e,t){if(GB(t))throw new Error("SVG cannot be parsed directly to imagebitmap");return new Blob([new Uint8Array(e)])}async function WB(e,t,i){const s=function(e,t){if(GB(t)){let t=(new TextDecoder).decode(e);try{"function"==typeof unescape&&"function"==typeof encodeURIComponent&&(t=unescape(encodeURIComponent(t)))}catch(e){throw new Error(e.message)}return"data:image/svg+xml;base64,".concat(btoa(t))}return zB(e,t)}(e,i),r=self.URL||self.webkitURL,o="string"!=typeof s&&r.createObjectURL(s);try{return await async function(e,t){const i=new Image;if(i.src=e,t.image&&t.image.decode&&i.decode)return await i.decode(),i;return await new Promise(((t,s)=>{try{i.onload=()=>t(i),i.onerror=t=>s(new Error("Could not load image ".concat(e,": ").concat(t)))}catch(e){s(e)}}))}(o||s,t)}finally{o&&r.revokeObjectURL(o)}}const KB={};let XB=!0;async function YB(e,t,i){let s;if(GB(i)){s=await WB(e,t,i)}else s=zB(e,i);const r=t&&t.imagebitmap;return await async function(e,t=null){!function(e){for(const t in e||KB)return!1;return!0}(t)&&XB||(t=null);if(t)try{return await createImageBitmap(e,t)}catch(e){console.warn(e),XB=!1}return await createImageBitmap(e)}(s,r)}function JB(e){const t=ZB(e);return function(e){const t=ZB(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){const t=ZB(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;const{tableMarkers:i,sofMarkers:s}=function(){const e=new Set([65499,65476,65484,65501,65534]);for(let t=65504;t<65520;++t)e.add(t);const t=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:t}}();let r=2;for(;r+9<t.byteLength;){const e=t.getUint16(r,false);if(s.has(e))return{mimeType:"image/jpeg",height:t.getUint16(r+5,false),width:t.getUint16(r+7,false)};if(!i.has(e))return null;r+=2,r+=t.getUint16(r,false)}return null}(t)||function(e){const t=ZB(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){const t=ZB(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function ZB(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}const qB={id:"image",module:"images",name:"Images",version:"3.2.6",mimeTypes:["image/png","image/jpeg","image/gif","image/webp","image/bmp","image/vnd.microsoft.icon","image/svg+xml"],extensions:["png","jpg","jpeg","gif","webp","bmp","ico","svg"],parse:async function(e,t,i){const s=((t=t||{}).image||{}).type||"auto",{url:r}=i||{};let o;switch(function(e){switch(e){case"auto":case"data":return function(){if(kB)return"imagebitmap";if(OB)return"image";if(QB)return"data";throw new Error("Install '@loaders.gl/polyfills' to parse images under Node.js")}();default:return function(e){switch(e){case"auto":return kB||OB||QB;case"imagebitmap":return kB;case"image":return OB;case"data":return QB;default:throw new Error("@loaders.gl/images: image ".concat(e," not supported in this environment"))}}(e),e}}(s)){case"imagebitmap":o=await YB(e,t,r);break;case"image":o=await WB(e,t,r);break;case"data":o=await async function(e,t){const{mimeType:i}=JB(e)||{},s=globalThis._parseImageNode;return Hb(s),await s(e,i)}(e);break;default:Hb(!1)}return"data"===s&&(o=function(e){switch(VB(e)){case"data":return e;case"image":case"imagebitmap":const t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}(o)),o},tests:[e=>Boolean(JB(new DataView(e)))],options:{image:{type:"auto",decode:!0}}},$B=["image/png","image/jpeg","image/gif"],ew={};function tw(e){return void 0===ew[e]&&(ew[e]=function(e){switch(e){case"image/webp":return function(){if(!jb)return!1;try{return 0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch{return!1}}();case"image/svg":return jb;default:if(!jb){const{_parseImageNode:t}=globalThis;return Boolean(t)&&$B.includes(e)}return!0}}(e)),ew[e]}function iw(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function sw(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;const i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}const rw=["SCALAR","VEC2","VEC3","VEC4"],ow=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],nw=new Map(ow),aw={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},lw={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},Aw={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function hw(e){return rw[e-1]||rw[0]}function cw(e){const t=nw.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function uw(e,t){const i=Aw[e.componentType],s=aw[e.type],r=lw[e.componentType],o=e.count*s,n=e.count*s*r;return iw(n>=0&&n<=t.byteLength),{ArrayType:i,length:o,byteLength:n}}const dw={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]};class pw{constructor(e){qb(this,"gltf",void 0),qb(this,"sourceBuffers",void 0),qb(this,"byteLength",void 0),this.gltf=e||{json:{...dw},buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}get json(){return this.gltf.json}getApplicationData(e){return this.json[e]}getExtraData(e){return(this.json.extras||{})[e]}getExtension(e){const t=this.getUsedExtensions().find((t=>t===e)),i=this.json.extensions||{};return t?i[e]||!0:null}getRequiredExtension(e){const t=this.getRequiredExtensions().find((t=>t===e));return t?this.getExtension(e):null}getRequiredExtensions(){return this.json.extensionsRequired||[]}getUsedExtensions(){return this.json.extensionsUsed||[]}getObjectExtension(e,t){return(e.extensions||{})[t]}getScene(e){return this.getObject("scenes",e)}getNode(e){return this.getObject("nodes",e)}getSkin(e){return this.getObject("skins",e)}getMesh(e){return this.getObject("meshes",e)}getMaterial(e){return this.getObject("materials",e)}getAccessor(e){return this.getObject("accessors",e)}getTexture(e){return this.getObject("textures",e)}getSampler(e){return this.getObject("samplers",e)}getImage(e){return this.getObject("images",e)}getBufferView(e){return this.getObject("bufferViews",e)}getBuffer(e){return this.getObject("buffers",e)}getObject(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}getTypedArrayForBufferView(e){const t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];iw(i);const s=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,s,e.byteLength)}getTypedArrayForAccessor(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,{ArrayType:s,length:r}=uw(e,t);return new s(i,t.byteOffset+e.byteOffset,r)}getTypedArrayForImageData(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,s=t.byteOffset||0;return new Uint8Array(i,s,t.byteLength)}addApplicationData(e,t){return this.json[e]=t,this}addExtraData(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}addObjectExtension(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}setObjectExtension(e,t,i){(e.extensions||{})[t]=i}removeObjectExtension(e,t){const i=e.extensions||{},s=i[t];return delete i[t],s}addExtension(e,t={}){return iw(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}addRequiredExtension(e,t={}){return iw(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}registerUsedExtension(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((t=>t===e))||this.json.extensionsUsed.push(e)}registerRequiredExtension(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((t=>t===e))||this.json.extensionsRequired.push(e)}removeExtension(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}setDefaultScene(e){this.json.scene=e}addScene(e){const{nodeIndices:t}=e;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}addNode(e){const{meshIndex:t,matrix:i}=e;this.json.nodes=this.json.nodes||[];const s={mesh:t};return i&&(s.matrix=i),this.json.nodes.push(s),this.json.nodes.length-1}addMesh(e){const{attributes:t,indices:i,material:s,mode:r=4}=e,o={primitives:[{attributes:this._addAttributes(t),mode:r}]};if(i){const e=this._addIndices(i);o.primitives[0].indices=e}return Number.isFinite(s)&&(o.primitives[0].material=s),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}addPointCloud(e){const t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}addImage(e,t){const i=JB(e),s=t||(null==i?void 0:i.mimeType),r={bufferView:this.addBufferView(e),mimeType:s};return this.json.images=this.json.images||[],this.json.images.push(r),this.json.images.length-1}addBufferView(e){const t=e.byteLength;iw(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);const i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=yy(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}addAccessor(e,t){const i={bufferView:e,type:hw(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}addBinaryBuffer(e,t={size:3}){const i=this.addBufferView(e);let s={min:t.min,max:t.max};s.min&&s.max||(s=this._getAccessorMinMax(e,t.size));const r={size:t.size,componentType:cw(e),count:Math.round(e.length/t.size),min:s.min,max:s.max};return this.addAccessor(i,Object.assign(r,t))}addTexture(e){const{imageIndex:t}=e,i={source:t};return this.json.textures=this.json.textures||[],this.json.textures.push(i),this.json.textures.length-1}addMaterial(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}createBinaryChunk(){var e,t;this.gltf.buffers=[];const i=this.byteLength,s=new ArrayBuffer(i),r=new Uint8Array(s);let o=0;for(const e of this.sourceBuffers||[])o=xy(e,r,o);null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=i:this.json.buffers=[{byteLength:i}],this.gltf.binary=s,this.sourceBuffers=[s]}_removeStringFromArray(e,t){let i=!0;for(;i;){const s=e.indexOf(t);s>-1?e.splice(s,1):i=!1}}_addAttributes(e={}){const t={};for(const i in e){const s=e[i],r=this._getGltfAttributeName(i),o=this.addBinaryBuffer(s.value,s);t[r]=o}return t}_addIndices(e){return this.addBinaryBuffer(e,{size:1})}_getGltfAttributeName(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}_getAccessorMinMax(e,t){const i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];const s=e.subarray(0,t);for(const e of s)i.min.push(e),i.max.push(e);for(let s=t;s<e.length;s+=t)for(let r=0;r<t;r++)i.min[0+r]=Math.min(i.min[0+r],e[s+r]),i.max[0+r]=Math.max(i.max[0+r],e[s+r]);return i}}const fw="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",gw="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this.type&&this.type.typeId}clone(){return new Iw(this.name,this.type,this.nullable,this.metadata)}compareTo(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}toString(){return"".concat(this.type).concat(this.nullable?", nullable":"").concat(this.metadata?", metadata: ".concat(this.metadata):"")}}let Dw,Sw,Tw,Rw;!function(e){e[e.NONE=0]="NONE",e[e.Null=1]="Null",e[e.Int=2]="Int",e[e.Float=3]="Float",e[e.Binary=4]="Binary",e[e.Utf8=5]="Utf8",e[e.Bool=6]="Bool",e[e.Decimal=7]="Decimal",e[e.Date=8]="Date",e[e.Time=9]="Time",e[e.Timestamp=10]="Timestamp",e[e.Interval=11]="Interval",e[e.List=12]="List",e[e.Struct=13]="Struct",e[e.Union=14]="Union",e[e.FixedSizeBinary=15]="FixedSizeBinary",e[e.FixedSizeList=16]="FixedSizeList",e[e.Map=17]="Map",e[e.Dictionary=-1]="Dictionary",e[e.Int8=-2]="Int8",e[e.Int16=-3]="Int16",e[e.Int32=-4]="Int32",e[e.Int64=-5]="Int64",e[e.Uint8=-6]="Uint8",e[e.Uint16=-7]="Uint16",e[e.Uint32=-8]="Uint32",e[e.Uint64=-9]="Uint64",e[e.Float16=-10]="Float16",e[e.Float32=-11]="Float32",e[e.Float64=-12]="Float64",e[e.DateDay=-13]="DateDay",e[e.DateMillisecond=-14]="DateMillisecond",e[e.TimestampSecond=-15]="TimestampSecond",e[e.TimestampMillisecond=-16]="TimestampMillisecond",e[e.TimestampMicrosecond=-17]="TimestampMicrosecond",e[e.TimestampNanosecond=-18]="TimestampNanosecond",e[e.TimeSecond=-19]="TimeSecond",e[e.TimeMillisecond=-20]="TimeMillisecond",e[e.TimeMicrosecond=-21]="TimeMicrosecond",e[e.TimeNanosecond=-22]="TimeNanosecond",e[e.DenseUnion=-23]="DenseUnion",e[e.SparseUnion=-24]="SparseUnion",e[e.IntervalDayTime=-25]="IntervalDayTime",e[e.IntervalYearMonth=-26]="IntervalYearMonth"}(Dw||(Dw={}));class Lw{static isNull(e){return e&&e.typeId===Dw.Null}static isInt(e){return e&&e.typeId===Dw.Int}static isFloat(e){return e&&e.typeId===Dw.Float}static isBinary(e){return e&&e.typeId===Dw.Binary}static isUtf8(e){return e&&e.typeId===Dw.Utf8}static isBool(e){return e&&e.typeId===Dw.Bool}static isDecimal(e){return e&&e.typeId===Dw.Decimal}static isDate(e){return e&&e.typeId===Dw.Date}static isTime(e){return e&&e.typeId===Dw.Time}static isTimestamp(e){return e&&e.typeId===Dw.Timestamp}static isInterval(e){return e&&e.typeId===Dw.Interval}static isList(e){return e&&e.typeId===Dw.List}static isStruct(e){return e&&e.typeId===Dw.Struct}static isUnion(e){return e&&e.typeId===Dw.Union}static isFixedSizeBinary(e){return e&&e.typeId===Dw.FixedSizeBinary}static isFixedSizeList(e){return e&&e.typeId===Dw.FixedSizeList}static isMap(e){return e&&e.typeId===Dw.Map}static isDictionary(e){return e&&e.typeId===Dw.Dictionary}get typeId(){return Dw.NONE}compareTo(e){return this===e}}Sw=Symbol.toStringTag;class Uw extends Lw{constructor(e,t){super(),qb(this,"isSigned",void 0),qb(this,"bitWidth",void 0),this.isSigned=e,this.bitWidth=t}get typeId(){return Dw.Int}get[Sw](){return"Int"}toString(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}class Ow extends Uw{constructor(){super(!0,8)}}class kw extends Uw{constructor(){super(!0,16)}}class Nw extends Uw{constructor(){super(!0,32)}}class Qw extends Uw{constructor(){super(!1,8)}}class Vw extends Uw{constructor(){super(!1,16)}}class Hw extends Uw{constructor(){super(!1,32)}}const jw=32,Gw=64;Tw=Symbol.toStringTag;class zw extends Lw{constructor(e){super(),qb(this,"precision",void 0),this.precision=e}get typeId(){return Dw.Float}get[Tw](){return"Float"}toString(){return"Float".concat(this.precision)}}class Ww extends zw{constructor(){super(jw)}}class Kw extends zw{constructor(){super(Gw)}}Rw=Symbol.toStringTag;class Xw extends Lw{constructor(e,t){super(),qb(this,"listSize",void 0),qb(this,"children",void 0),this.listSize=e,this.children=[t]}get typeId(){return Dw.FixedSizeList}get valueType(){return this.children[0].type}get valueField(){return this.children[0]}get[Rw](){return"FixedSizeList"}toString(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">")}}function Yw(e,t,i){const s=function(e){switch(e.constructor){case Int8Array:return new Ow;case Uint8Array:return new Qw;case Int16Array:return new kw;case Uint16Array:return new Vw;case Int32Array:return new Nw;case Uint32Array:return new Hw;case Float32Array:return new Ww;case Float64Array:return new Kw;default:throw new Error("array type not supported")}}(t.value),r=i||function(e){const t=new Map;"byteOffset"in e&&t.set("byteOffset",e.byteOffset.toString(10));"byteStride"in e&&t.set("byteStride",e.byteStride.toString(10));"normalized"in e&&t.set("normalized",e.normalized.toString());return t}(t);return new Iw(e,new Xw(t.size,new Iw("value",s)),!1,r)}function Jw(e,t,i){return Yw(e,t,i?Zw(i.metadata):void 0)}function Zw(e){const t=new Map;for(const i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}const qw={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},$w={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array};class eP{constructor(e){qb(this,"draco",void 0),qb(this,"decoder",void 0),qb(this,"metadataQuerier",void 0),this.draco=e,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(e,t={}){const i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);const s=this.decoder.GetEncodedGeometryType(i),r=s===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let e;switch(s){case this.draco.TRIANGULAR_MESH:e=this.decoder.DecodeBufferToMesh(i,r);break;case this.draco.POINT_CLOUD:e=this.decoder.DecodeBufferToPointCloud(i,r);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!e.ok()||!r.ptr){const t="DRACO decompression failed: ".concat(e.error_msg());throw new Error(t)}const o=this._getDracoLoaderData(r,s,t),n=this._getMeshData(r,o,t),a=function(e){let t=1/0,i=1/0,s=1/0,r=-1/0,o=-1/0,n=-1/0;const a=e.POSITION?e.POSITION.value:[],l=a&&a.length;for(let e=0;e<l;e+=3){const l=a[e],A=a[e+1],h=a[e+2];t=l<t?l:t,i=A<i?A:i,s=h<s?h:s,r=l>r?l:r,o=A>o?A:o,n=h>n?h:n}return[[t,i,s],[r,o,n]]}(n.attributes),l=function(e,t,i){const s=Zw(t.metadata),r=[],o=function(e){const t={};for(const i in e){const s=e[i];t[s.name||"undefined"]=s}return t}(t.attributes);for(const t in e){const i=Jw(t,e[t],o[t]);r.push(i)}if(i){const e=Jw("indices",i);r.push(e)}return new Ew(r,s)}(n.attributes,o,n.indices);return{loader:"draco",loaderData:o,header:{vertexCount:r.num_points(),boundingBox:a},...n,schema:l}}finally{this.draco.destroy(i),r&&this.draco.destroy(r)}}_getDracoLoaderData(e,t,i){const s=this._getTopLevelMetadata(e),r=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:s,attributes:r}}_getDracoAttributes(e,t){const i={};for(let s=0;s<e.num_attributes();s++){const r=this.decoder.GetAttribute(e,s),o=this._getAttributeMetadata(e,s);i[r.unique_id()]={unique_id:r.unique_id(),attribute_type:r.attribute_type(),data_type:r.data_type(),num_components:r.num_components(),byte_offset:r.byte_offset(),byte_stride:r.byte_stride(),normalized:r.normalized(),attribute_index:s,metadata:o};const n=this._getQuantizationTransform(r,t);n&&(i[r.unique_id()].quantization_transform=n);const a=this._getOctahedronTransform(r,t);a&&(i[r.unique_id()].octahedron_transform=a)}return i}_getMeshData(e,t,i){const s=this._getMeshAttributes(t,e,i);if(!s.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:s,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:s,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:s}}_getMeshAttributes(e,t,i){const s={};for(const r of Object.values(e.attributes)){const e=this._deduceAttributeName(r,i);r.name=e;const{value:o,size:n}=this._getAttributeValues(t,r);s[e]={value:o,size:n,byteOffset:r.byte_offset,byteStride:r.byte_stride,normalized:r.normalized}}return s}_getTriangleListIndices(e){const t=3*e.num_faces(),i=4*t,s=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,s),new Uint32Array(this.draco.HEAPF32.buffer,s,t).slice()}finally{this.draco._free(s)}}_getTriangleStripIndices(e){const t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(t)}finally{this.draco.destroy(t)}}_getAttributeValues(e,t){const i=$w[t.data_type],s=t.num_components,r=e.num_points()*s,o=r*i.BYTES_PER_ELEMENT,n=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,i);let a;const l=this.draco._malloc(o);try{const s=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,s,n,o,l),a=new i(this.draco.HEAPF32.buffer,l,r).slice()}finally{this.draco._free(l)}return{value:a,size:s}}_deduceAttributeName(e,t){const i=e.unique_id;for(const[e,s]of Object.entries(t.extraAttributes||{}))if(s===i)return e;const s=e.attribute_type;for(const e in qw){if(this.draco[e]===s)return qw[e]}const r=t.attributeNameEntry||"name";return e.metadata[r]?e.metadata[r].string:"CUSTOM_ATTRIBUTE_".concat(i)}_getTopLevelMetadata(e){const t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}_getAttributeMetadata(e,t){const i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}_getDracoMetadata(e){if(!e||!e.ptr)return{};const t={},i=this.metadataQuerier.NumEntries(e);for(let s=0;s<i;s++){const i=this.metadataQuerier.GetEntryName(e,s);t[i]=this._getDracoMetadataField(e,i)}return t}_getDracoMetadataField(e,t){const i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);const s=function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:s}}finally{this.draco.destroy(i)}}_disableAttributeTransforms(e){const{quantizedAttributes:t=[],octahedronAttributes:i=[]}=e,s=[...t,...i];for(const e of s)this.decoder.SkipAttributeTransform(this.draco[e])}_getQuantizationTransform(e,t){const{quantizedAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits(),range:t.range(),min_values:new Float32Array([1,2,3]).map((e=>t.min_value(e)))}}finally{this.draco.destroy(t)}}return null}_getOctahedronTransform(e,t){const{octahedronAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits()}}finally{this.draco.destroy(t)}}return null}}const tP="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),iP="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),sP="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");let rP;async function oP(e){const t=e.modules||{};return rP=t.draco3d?rP||t.draco3d.createDecoderModule({}).then((e=>({draco:e}))):rP||async function(e){let t,i;if("js"===(e.draco&&e.draco.decoderType))t=await dy(tP,"draco",e);else[t,i]=await Promise.all([await dy(iP,"draco",e),await dy(sP,"draco",e)]);return t=t||globalThis.DracoDecoderModule,await function(e,t){const i={};t&&(i.wasmBinary=t);return new Promise((t=>{e({...i,onModuleLoaded:e=>t({draco:e})})}))}(t,i)}(e),await rP}const nP={...Mw,parse:async function(e,t){const{draco:i}=await oP(t),s=new eP(i);try{return s.parseSync(e,null==t?void 0:t.draco)}finally{s.destroy()}}};function aP(e){const{buffer:t,size:i,count:s}=function(e){let t=e,i=1,s=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t,i=!1){if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),s=t.length/i);return{buffer:t,size:i,count:s}}(e);return{value:t,size:i,byteOffset:0,count:s,type:hw(i),componentType:cw(t)}}async function lP(e,t,i,s){const r=e.getObjectExtension(t,"KHR_draco_mesh_compression");if(!r)return;const o=e.getTypedArrayForBufferView(r.bufferView),n=by(o.buffer,o.byteOffset),{parse:a}=s,l={...i};delete l["3d-tiles"];const A=await a(n,nP,l,s),h=function(e){const t={};for(const i in e){const s=e[i];if("indices"!==i){const e=aP(s);t[i]=e}}return t}(A.attributes);for(const[i,s]of Object.entries(h))if(i in t.attributes){const r=t.attributes[i],o=e.getAccessor(r);null!=o&&o.min&&null!=o&&o.max&&(s.min=o.min,s.max=o.max)}t.attributes=h,A.indices&&(t.indices=aP(A.indices)),function(e){if(!e.attributes&&Object.keys(e.attributes).length>0)throw new Error("glTF: Empty primitive detected: Draco decompression failure?")}(t)}function AP(e,t,i=4,s,r){var o;if(!s.DracoWriter)throw new Error("options.gltf.DracoWriter not provided");const n=s.DracoWriter.encodeSync({attributes:e}),a=null==r||null===(o=r.parseSync)||void 0===o?void 0:o.call(r,{attributes:e}),l=s._addFauxAttributes(a.attributes);return{primitives:[{attributes:l,mode:i,extensions:{KHR_draco_mesh_compression:{bufferView:s.addBufferView(n),attributes:l}}}]}}function*hP(e){for(const t of e.json.meshes||[])for(const e of t.primitives)yield e}var cP=Object.freeze({__proto__:null,name:"KHR_draco_mesh_compression",preprocess:function(e,t,i){const s=new pw(e);for(const e of hP(s))s.getObjectExtension(e,"KHR_draco_mesh_compression")},decode:async function(e,t,i){var s;if(null==t||null===(s=t.gltf)||void 0===s||!s.decompressMeshes)return;const r=new pw(e),o=[];for(const e of hP(r))r.getObjectExtension(e,"KHR_draco_mesh_compression")&&o.push(lP(r,e,t,i));await Promise.all(o),r.removeExtension("KHR_draco_mesh_compression")},encode:function(e,t={}){const i=new pw(e);for(const e of i.json.meshes||[])AP(e),i.addRequiredExtension("KHR_draco_mesh_compression")}});var uP=Object.freeze({__proto__:null,name:"KHR_lights_punctual",decode:async function(e){const t=new pw(e),{json:i}=t,s=t.getExtension("KHR_lights_punctual");s&&(t.json.lights=s.lights,t.removeExtension("KHR_lights_punctual"));for(const e of i.nodes||[]){const i=t.getObjectExtension(e,"KHR_lights_punctual");i&&(e.light=i.light),t.removeObjectExtension(e,"KHR_lights_punctual")}},encode:async function(e){const t=new pw(e),{json:i}=t;if(i.lights){const e=t.addExtension("KHR_lights_punctual");iw(!e.lights),e.lights=i.lights,delete i.lights}if(t.json.lights){for(const e of t.json.lights){const i=e.node;t.addObjectExtension(i,"KHR_lights_punctual",e)}delete t.json.lights}}});function dP(e,t){const i=Object.assign({},e.values);return Object.keys(e.uniforms||{}).forEach((t=>{e.uniforms[t].value&&!(t in i)&&(i[t]=e.uniforms[t].value)})),Object.keys(i).forEach((e=>{"object"==typeof i[e]&&void 0!==i[e].index&&(i[e].texture=t.getTexture(i[e].index))})),i}const pP=[ww,Pw,Cw,cP,uP,Object.freeze({__proto__:null,name:"KHR_materials_unlit",decode:async function(e){const t=new pw(e),{json:i}=t;t.removeExtension("KHR_materials_unlit");for(const e of i.materials||[]){e.extensions&&e.extensions.KHR_materials_unlit&&(e.unlit=!0),t.removeObjectExtension(e,"KHR_materials_unlit")}},encode:function(e){const t=new pw(e),{json:i}=t;if(t.materials)for(const e of i.materials||[])e.unlit&&(delete e.unlit,t.addObjectExtension(e,"KHR_materials_unlit",{}),t.addExtension("KHR_materials_unlit"))}}),Object.freeze({__proto__:null,name:"KHR_techniques_webgl",decode:async function(e){const t=new pw(e),{json:i}=t,s=t.getExtension("KHR_techniques_webgl");if(s){const e=function(e,t){const{programs:i=[],shaders:s=[],techniques:r=[]}=e,o=new TextDecoder;return s.forEach((e=>{if(!Number.isFinite(e.bufferView))throw new Error("KHR_techniques_webgl: no shader code");e.code=o.decode(t.getTypedArrayForBufferView(e.bufferView))})),i.forEach((e=>{e.fragmentShader=s[e.fragmentShader],e.vertexShader=s[e.vertexShader]})),r.forEach((e=>{e.program=i[e.program]})),r}(s,t);for(const s of i.materials||[]){const i=t.getObjectExtension(s,"KHR_techniques_webgl");i&&(s.technique=Object.assign({},i,e[i.technique]),s.technique.values=dP(s.technique,t)),t.removeObjectExtension(s,"KHR_techniques_webgl")}t.removeExtension("KHR_techniques_webgl")}},encode:async function(e,t){}})];function fP(e,t){var i;const s=(null==t||null===(i=t.gltf)||void 0===i?void 0:i.excludeExtensions)||{};return!(e in s&&!s[e])}const gP={accessors:"accessor",animations:"animation",buffers:"buffer",bufferViews:"bufferView",images:"image",materials:"material",meshes:"mesh",nodes:"node",samplers:"sampler",scenes:"scene",skins:"skin",textures:"texture"},mP={accessor:"accessors",animations:"animation",buffer:"buffers",bufferView:"bufferViews",image:"images",material:"materials",mesh:"meshes",node:"nodes",sampler:"samplers",scene:"scenes",skin:"skins",texture:"textures"};class _P{constructor(){qb(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}}),qb(this,"json",void 0)}normalize(e,t){this.json=e.json;const i=e.json;switch(i.asset&&i.asset.version){case"2.0":return;case void 0:case"1.0":break;default:return void console.warn("glTF: Unknown version ".concat(i.asset.version))}if(!t.normalize)throw new Error("glTF v1 is not supported.");console.warn("Converting glTF v1 to glTF v2 format. This is experimental and may fail."),this._addAsset(i),this._convertTopLevelObjectsToArrays(i),function(e){const t=new pw(e),{json:i}=t;for(const e of i.images||[]){const i=t.getObjectExtension(e,"KHR_binary_glTF");i&&Object.assign(e,i),t.removeObjectExtension(e,"KHR_binary_glTF")}i.buffers&&i.buffers[0]&&delete i.buffers[0].uri,t.removeExtension("KHR_binary_glTF")}(e),this._convertObjectIdsToArrayIndices(i),this._updateObjects(i),this._updateMaterial(i)}_addAsset(e){e.asset=e.asset||{},e.asset.version="2.0",e.asset.generator=e.asset.generator||"Normalized to glTF 2.0 by loaders.gl"}_convertTopLevelObjectsToArrays(e){for(const t in gP)this._convertTopLevelObjectToArray(e,t)}_convertTopLevelObjectToArray(e,t){const i=e[t];if(i&&!Array.isArray(i)){e[t]=[];for(const s in i){const r=i[s];r.id=r.id||s;const o=e[t].length;e[t].push(r),this.idToIndexMap[t][s]=o}}}_convertObjectIdsToArrayIndices(e){for(const t in gP)this._convertIdsToIndices(e,t);"scene"in e&&(e.scene=this._convertIdToIndex(e.scene,"scene"));for(const t of e.textures)this._convertTextureIds(t);for(const t of e.meshes)this._convertMeshIds(t);for(const t of e.nodes)this._convertNodeIds(t);for(const t of e.scenes)this._convertSceneIds(t)}_convertTextureIds(e){e.source&&(e.source=this._convertIdToIndex(e.source,"image"))}_convertMeshIds(e){for(const t of e.primitives){const{attributes:e,indices:i,material:s}=t;for(const t in e)e[t]=this._convertIdToIndex(e[t],"accessor");i&&(t.indices=this._convertIdToIndex(i,"accessor")),s&&(t.material=this._convertIdToIndex(s,"material"))}}_convertNodeIds(e){e.children&&(e.children=e.children.map((e=>this._convertIdToIndex(e,"node")))),e.meshes&&(e.meshes=e.meshes.map((e=>this._convertIdToIndex(e,"mesh"))))}_convertSceneIds(e){e.nodes&&(e.nodes=e.nodes.map((e=>this._convertIdToIndex(e,"node"))))}_convertIdsToIndices(e,t){e[t]||(console.warn("gltf v1: json doesn't contain attribute ".concat(t)),e[t]=[]);for(const i of e[t])for(const e in i){const t=i[e],s=this._convertIdToIndex(t,e);i[e]=s}}_convertIdToIndex(e,t){const i=mP[t];if(i in this.idToIndexMap){const s=this.idToIndexMap[i][e];if(!Number.isFinite(s))throw new Error("gltf v1: failed to resolve ".concat(t," with id ").concat(e));return s}return e}_updateObjects(e){for(const e of this.json.buffers)delete e.type}_updateMaterial(e){for(const s of e.materials){var t,i;s.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};const r=(null===(t=s.values)||void 0===t?void 0:t.tex)||(null===(i=s.values)||void 0===i?void 0:i.texture2d_0),o=e.textures.findIndex((e=>e.id===r));-1!==o&&(s.pbrMetallicRoughness.baseColorTexture={index:o})}}}const vP={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},bP={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},yP=10240,xP=10241,BP=10242,wP=10243,PP=10497,CP={magFilter:yP,minFilter:xP,wrapS:BP,wrapT:wP},MP={[yP]:9729,[xP]:9986,[BP]:PP,[wP]:PP};class EP{constructor(){qb(this,"baseUri",""),qb(this,"json",{}),qb(this,"buffers",[]),qb(this,"images",[])}postProcess(e,t={}){const{json:i,buffers:s=[],images:r=[],baseUri:o=""}=e;return iw(i),this.baseUri=o,this.json=i,this.buffers=s,this.images=r,this._resolveTree(this.json,t),this.json}_resolveTree(e,t={}){e.bufferViews&&(e.bufferViews=e.bufferViews.map(((e,t)=>this._resolveBufferView(e,t)))),e.images&&(e.images=e.images.map(((e,t)=>this._resolveImage(e,t)))),e.samplers&&(e.samplers=e.samplers.map(((e,t)=>this._resolveSampler(e,t)))),e.textures&&(e.textures=e.textures.map(((e,t)=>this._resolveTexture(e,t)))),e.accessors&&(e.accessors=e.accessors.map(((e,t)=>this._resolveAccessor(e,t)))),e.materials&&(e.materials=e.materials.map(((e,t)=>this._resolveMaterial(e,t)))),e.meshes&&(e.meshes=e.meshes.map(((e,t)=>this._resolveMesh(e,t)))),e.nodes&&(e.nodes=e.nodes.map(((e,t)=>this._resolveNode(e,t)))),e.skins&&(e.skins=e.skins.map(((e,t)=>this._resolveSkin(e,t)))),e.scenes&&(e.scenes=e.scenes.map(((e,t)=>this._resolveScene(e,t)))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene])}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];return i||console.warn("glTF file error: Could not find ".concat(e,"[").concat(t,"]")),i}_resolveScene(e,t){return e.id=e.id||"scene-".concat(t),e.nodes=(e.nodes||[]).map((e=>this.getNode(e))),e}_resolveNode(e,t){return e.id=e.id||"node-".concat(t),e.children&&(e.children=e.children.map((e=>this.getNode(e)))),void 0!==e.mesh?e.mesh=this.getMesh(e.mesh):void 0!==e.meshes&&e.meshes.length&&(e.mesh=e.meshes.reduce(((e,t)=>{const i=this.getMesh(t);return e.id=i.id,e.primitives=e.primitives.concat(i.primitives),e}),{primitives:[]})),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin)),e}_resolveSkin(e,t){return e.id=e.id||"skin-".concat(t),e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices),e}_resolveMesh(e,t){return e.id=e.id||"mesh-".concat(t),e.primitives&&(e.primitives=e.primitives.map((e=>{const t=(e={...e}).attributes;e.attributes={};for(const i in t)e.attributes[i]=this.getAccessor(t[i]);return void 0!==e.indices&&(e.indices=this.getAccessor(e.indices)),void 0!==e.material&&(e.material=this.getMaterial(e.material)),e}))),e}_resolveMaterial(e,t){if(e.id=e.id||"material-".concat(t),e.normalTexture&&(e.normalTexture={...e.normalTexture},e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlustionTexture={...e.occlustionTexture},e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emmisiveTexture={...e.emmisiveTexture},e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.emissiveFactor||(e.emissiveFactor=e.emmisiveTexture?[1,1,1]:[0,0,0]),e.pbrMetallicRoughness){e.pbrMetallicRoughness={...e.pbrMetallicRoughness};const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture={...t.baseColorTexture},t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture={...t.metallicRoughnessTexture},t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}return e}_resolveAccessor(e,t){var i,s;if(e.id=e.id||"accessor-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=(i=e.componentType,bP[i]),e.components=(s=e.type,vP[s]),e.bytesPerElement=e.bytesPerComponent*e.components,e.bufferView){const t=e.bufferView.buffer,{ArrayType:i,byteLength:s}=uw(e,e.bufferView),r=(e.bufferView.byteOffset||0)+(e.byteOffset||0)+t.byteOffset;let o=t.arrayBuffer.slice(r,r+s);e.bufferView.byteStride&&(o=this._getValueFromInterleavedBuffer(t,r,e.bufferView.byteStride,e.bytesPerElement,e.count)),e.value=new i(o)}return e}_getValueFromInterleavedBuffer(e,t,i,s,r){const o=new Uint8Array(r*s);for(let n=0;n<r;n++){const r=t+n*i;o.set(new Uint8Array(e.arrayBuffer.slice(r,r+s)),n*s)}return o.buffer}_resolveTexture(e,t){return e.id=e.id||"texture-".concat(t),e.sampler="sampler"in e?this.getSampler(e.sampler):MP,e.source=this.getImage(e.source),e}_resolveSampler(e,t){e.id=e.id||"sampler-".concat(t),e.parameters={};for(const t in e){const i=this._enumSamplerParameter(t);void 0!==i&&(e.parameters[i]=e[t])}return e}_enumSamplerParameter(e){return CP[e]}_resolveImage(e,t){e.id=e.id||"image-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView));const i=this.images[t];return i&&(e.image=i),e}_resolveBufferView(e,t){const i=e.buffer,s={id:"bufferView-".concat(t),...e,buffer:this.buffers[i]},r=this.buffers[i].arrayBuffer;let o=this.buffers[i].byteOffset||0;return"byteOffset"in e&&(o+=e.byteOffset),s.data=new Uint8Array(r,o,e.byteLength),s}_resolveCamera(e,t){return e.id=e.id||"camera-".concat(t),e.perspective,e.orthographic,e}}const FP=1735152710,IP=!0;function DP(e,t,i=0,s={}){const r=new DataView(t),o=function(e,t=0){return"".concat(String.fromCharCode(e.getUint8(t+0))).concat(String.fromCharCode(e.getUint8(t+1))).concat(String.fromCharCode(e.getUint8(t+2))).concat(String.fromCharCode(e.getUint8(t+3)))}(r,i+0),n=r.getUint32(i+4,IP),a=r.getUint32(i+8,IP);switch(Object.assign(e,{header:{byteOffset:i,byteLength:a,hasBinChunk:!1},type:o,version:n,json:{},binChunks:[]}),i+=12,e.version){case 1:return function(e,t,i){Hb(e.header.byteLength>20);const s=t.getUint32(i+0,IP),r=t.getUint32(i+4,IP);return i+=8,Hb(0===r),SP(e,t,i,s),i+=s,i+=TP(e,t,i,e.header.byteLength)}(e,r,i);case 2:return function(e,t,i,s){return Hb(e.header.byteLength>20),function(e,t,i,s){for(;i+8<=e.header.byteLength;){const r=t.getUint32(i+0,IP),o=t.getUint32(i+4,IP);switch(i+=8,o){case 1313821514:SP(e,t,i,r);break;case 5130562:TP(e,t,i,r);break;case 0:s.strict||SP(e,t,i,r);break;case 1:s.strict||TP(e,t,i,r)}i+=yy(r,4)}}(e,t,i,s),i+e.header.byteLength}(e,r,i,{});default:throw new Error("Invalid GLB version ".concat(e.version,". Only supports v1 and v2."))}}function SP(e,t,i,s){const r=new Uint8Array(t.buffer,i,s),o=new TextDecoder("utf8").decode(r);return e.json=JSON.parse(o),yy(s,4)}function TP(e,t,i,s){return e.header.hasBinChunk=!0,e.binChunks.push({byteOffset:i,byteLength:s,arrayBuffer:t.buffer}),yy(s,4)}async function RP(e,t,i=0,s,r){var o,n,a,l;!function(e,t,i,s){s.uri&&(e.baseUri=s.uri);if(t instanceof ArrayBuffer&&!function(e,t=0,i={}){const s=new DataView(e),{magic:r=FP}=i,o=s.getUint32(t,!1);return o===r||o===FP}(t,i,s)){t=(new TextDecoder).decode(t)}if("string"==typeof t)e.json=my(t);else if(t instanceof ArrayBuffer){const r={};i=DP(r,t,i,s.glb),iw("glTF"===r.type,"Invalid GLB magic string ".concat(r.type)),e._glb=r,e.json=r.json}else iw(!1,"GLTF: must be ArrayBuffer or string");const r=e.json.buffers||[];if(e.buffers=new Array(r.length).fill(null),e._glb&&e._glb.header.hasBinChunk){const{binChunks:t}=e._glb;e.buffers[0]={arrayBuffer:t[0].arrayBuffer,byteOffset:t[0].byteOffset,byteLength:t[0].byteLength}}const o=e.json.images||[];e.images=new Array(o.length).fill({})}(e,t,i,s),function(e,t={}){(new _P).normalize(e,t)}(e,{normalize:null==s||null===(o=s.gltf)||void 0===o?void 0:o.normalize}),function(e,t={},i){const s=pP.filter((e=>fP(e.name,t)));for(const o of s){var r;null===(r=o.preprocess)||void 0===r||r.call(o,e,t,i)}}(e,s,r);const A=[];if(null!=s&&null!==(n=s.gltf)&&void 0!==n&&n.loadBuffers&&e.json.buffers&&await async function(e,t,i){const s=e.json.buffers||[];for(let n=0;n<s.length;++n){const a=s[n];if(a.uri){var r,o;const{fetch:s}=i;iw(s);const l=sw(a.uri,t),A=await(null==i||null===(r=i.fetch)||void 0===r?void 0:r.call(i,l)),h=await(null==A||null===(o=A.arrayBuffer)||void 0===o?void 0:o.call(A));e.buffers[n]={arrayBuffer:h,byteOffset:0,byteLength:h.byteLength},delete a.uri}else null===e.buffers[n]&&(e.buffers[n]={arrayBuffer:new ArrayBuffer(a.byteLength),byteOffset:0,byteLength:a.byteLength})}}(e,s,r),null!=s&&null!==(a=s.gltf)&&void 0!==a&&a.loadImages){const t=async function(e,t,i){const s=function(e){const t=new Set,i=e.json.textures||[];for(const e of i)void 0!==e.source&&t.add(e.source);return Array.from(t).sort()}(e),r=e.json.images||[],o=[];for(const n of s)o.push(LP(e,r[n],n,t,i));return await Promise.all(o)}(e,s,r);A.push(t)}const h=async function(e,t={},i){const s=pP.filter((e=>fP(e.name,t)));for(const o of s){var r;await(null===(r=o.decode)||void 0===r?void 0:r.call(o,e,t,i))}}(e,s,r);return A.push(h),await Promise.all(A),null!=s&&null!==(l=s.gltf)&&void 0!==l&&l.postProcess?function(e,t){return(new EP).postProcess(e,t)}(e,s):e}async function LP(e,t,i,s,r){const{fetch:o,parse:n}=r;let a;if(t.uri){const e=sw(t.uri,s),i=await o(e);a=await i.arrayBuffer()}if(Number.isFinite(t.bufferView)){const i=function(e,t,i){const s=e.bufferViews[i];iw(s);const r=t[s.buffer];iw(r);const o=(s.byteOffset||0)+r.byteOffset;return new Uint8Array(r.arrayBuffer,o,s.byteLength)}(e.json,e.buffers,t.bufferView);a=by(i.buffer,i.byteOffset,i.byteLength)}iw(a,"glTF image has no data");let l=await n(a,[qB,LB],{mimeType:t.mimeType,basis:s.basis||{format:RB()}},r);l&&l[0]&&(l={compressed:!0,mipmaps:!1,width:l[0].width,height:l[0].height,data:l[0]}),e.images=e.images||[],e.images[i]=l}const UP={name:"glTF",id:"gltf",module:"gltf",version:"3.2.6",extensions:["gltf","glb"],mimeTypes:["model/gltf+json","model/gltf-binary"],text:!0,binary:!0,tests:["glTF"],parse:async function(e,t={},i){(t={...UP.options,...t}).gltf={...UP.options.gltf,...t.gltf};const{byteOffset:s=0}=t;return await RP({},e,s,t,i)},options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0,postProcess:!0},log:console},deprecatedOptions:{fetchImages:"gltf.loadImages",createImages:"gltf.loadImages",decompress:"gltf.decompressMeshes",postProcess:"gltf.postProcess",gltf:{decompress:"gltf.decompressMeshes"}}};class OP{constructor(e){}load(e,t,i,s,r,o,n){!function(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++;"glb"===t.split(".").pop()?e.dataSource.getGLB(t,(n=>{s.basePath=kP(t),NP(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)})):e.dataSource.getGLTF(t,(n=>{s.basePath=kP(t),NP(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)}))}(e,t,i,s=s||{},r,(function(){I.scheduleTask((function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1)})),o&&o()}),(function(t){e.error(t),n&&n(t),r.fire("error",t)}))}parse(e,t,i,s,r,o,n){NP(e,"",t,i,s=s||{},r,(function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1),o&&o()}))}}function kP(e){const t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}function NP(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++,tB(i,UP,{baseUri:r.basePath}).then((i=>{const l={src:t,entityId:r.entityId,metaModelJSON:s,autoMetaModel:r.autoMetaModel,globalizeObjectIds:r.globalizeObjectIds,metaObjects:[],loadBuffer:r.loadBuffer,basePath:r.basePath,handlenode:r.handlenode,backfaces:!!r.backfaces,gltfData:i,scene:o.scene,plugin:e,sceneModel:o,numObjects:0,nodes:[],nextId:0,log:t=>{e.log(t)}};!function(e){const t=e.gltfData.textures;if(t)for(let i=0,s=t.length;i<s;i++)QP(e,t[i])}(l),function(e){const t=e.gltfData.materials;if(t)for(let i=0,s=t.length;i<s;i++){const s=t[i];s._textureSetId=VP(e,s),s._attributes=HP(e,s)}}(l),r.autoMetaModel&&l.metaObjects.push({id:o.id,type:"Default",name:o.id}),function(e){const t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");const s=i.nodes;if(!s)return;!function e(t){t.forEach((t=>{const i=t.mesh;i&&(i.instances||=0,i.instances+=1),t.children&&e(t.children)}))}(s);const r=[];let o=null;!function t(i,s,n){i.forEach((i=>{const a=i.name;let l=null!=a&&a||0===s&&"entity-"+e.nextId++;if(l){for(;e.sceneModel.objects[l];)l="entity-"+e.nextId++;r.push(o),o=[]}const A=function(e,t){let i;e.matrix&&(i=e.matrix,t=t?d.mulMat4(t,i,d.mat4()):i);e.translation&&(i=d.translationMat4v(e.translation),t=t?d.mulMat4(t,i,d.mat4()):i);e.rotation&&(i=d.quaternionToMat4(e.rotation),t=t?d.mulMat4(t,i,d.mat4()):i);e.scale&&(i=d.scalingMat4v(e.scale),t=t?d.mulMat4(t,i,d.mat4()):i);return t}(i,n);if(i.mesh&&function(e,t,i,s){const r=e.mesh;if(!r)return;const o=r.primitives.length;if(o>0)for(let e=0;e<o;e++){const o=r.primitives[e];if(o.mode<4)continue;const n={id:t.sceneModel.id+"."+t.numObjects++},a=o.material;a?(n.textureSetId=a._textureSetId,n.color=a._attributes.color,n.opacity=a._attributes.opacity,n.metallic=a._attributes.metallic,n.roughness=a._attributes.roughness):(n.color=new Float32Array([1,1,1]),n.opacity=1);const l=!1!==t.backfaces||a&&!1!==a.doubleSided;switch(o.mode){case 0:n.primitive="points";break;case 1:case 2:case 3:n.primitive="lines";break;default:n.primitive=l?"triangles":"solid"}const A=o.attributes.POSITION;if(!A)continue;n.localPositions=A.value,n.positions=new Float64Array(n.localPositions.length),o.attributes.NORMAL&&(n.normals=o.attributes.NORMAL.value),o.attributes.TEXCOORD_0&&(n.uv=o.attributes.TEXCOORD_0.value),o.indices&&(n.indices=o.indices.value),i?d.transformPositions3(i,n.localPositions,n.positions):n.positions.set(n.localPositions);const h=d.vec3();q(n.positions,n.positions,h)&&(n.origin=h),t.sceneModel.createMesh(n),s.push(n.id)}}(i,e,A,o),i.children&&t(i.children,s+1,A),l){if(o.length>0){const t=e.globalizeObjectIds?d.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:t,meshIds:o,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:t,type:"Default",name:t,parent:e.sceneModel.id})}o=r.pop()}}))}(s,0,null)}(l),o.finalize(),r.autoMetaModel&&e.viewer.metaScene.createMetaModel(o.id,{metaObjects:l.metaObjects}),a.processes--,n()}))}function QP(e,t){if(!t.source||!t.source.image)return;const i="texture-"+e.nextId++;let s=1005;switch(t.sampler.minFilter){case 9728:s=1003;break;case 9729:s=1006;break;case 9984:s=1004;break;case 9985:s=1007;break;case 9986:s=1005;break;case 9987:s=1008}let r=1006;switch(t.sampler.magFilter){case 9728:r=1003;break;case 9729:r=1006}let o=1e3;switch(t.sampler.wrapS){case 33071:o=1001;break;case 33648:o=1002;break;case 10497:o=1e3}let n=1e3;switch(t.sampler.wrapT){case 33071:n=1001;break;case 33648:n=1002;break;case 10497:n=1e3}let a=1e3;switch(t.sampler.wrapR){case 33071:a=1001;break;case 33648:a=1002;break;case 10497:a=1e3}e.sceneModel.createTexture({id:i,image:t.source.image,flipY:!!t.flipY,minFilter:s,magFilter:r,wrapS:o,wrapT:n,wrapR:a,encoding:3001}),t._textureId=i}function VP(e,t){const i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":const e=t.alphaCutoff;i.alphaCutoff=void 0!==e?e:.5}const s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){const r=t.pbrMetallicRoughness,o=r.baseColorTexture||r.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}const r=t.extensions;if(r){const t=r.KHR_materials_pbrSpecularGlossiness;if(t){t.specularTexture;const s=t.specularColorTexture;null!=s&&(i.colorTextureId=e.gltfData.textures[s.index]._textureId)}}return void 0!==i.normalTextureId||void 0!==i.occlusionTextureId||void 0!==i.emissiveTextureId||void 0!==i.colorTextureId||void 0!==i.metallicRoughnessTextureId?(i.id=`textureSet-${e.nextId++};`,e.sceneModel.createTextureSet(i),i.id):null}function HP(e,t){const i=t.extensions,s={color:new Float32Array([1,1,1,1]),opacity:1,metallic:0,roughness:1,doubleSided:!0};if(i){const e=i.KHR_materials_pbrSpecularGlossiness;if(e){const t=e.diffuseFactor;null!=t&&s.color.set(t)}const t=i.KHR_materials_common;if(t){const e=t.technique,i=t.values||{},r="BLINN"===e,o="PHONG"===e,n="LAMBERT"===e,a=i.diffuse;a&&(r||o||n)&&(y.isString(a)||s.color.set(a));const l=i.transparency;null!=l&&(s.opacity=l);const A=i.transparent;null!=A&&(s.opacity=A)}}const r=t.pbrMetallicRoughness;if(r){const e=r.baseColorFactor;e&&(s.color[0]=e[0],s.color[1]=e[1],s.color[2]=e[2],s.opacity=e[3]);const t=r.metallicFactor;null!=t&&(s.metallic=t);const i=r.roughnessFactor;null!=i&&(s.roughness=i)}return s.doubleSided=!1!==t.doubleSided,s}const jP={DEFAULT:{}};class GP extends z{constructor(e,t={}){super("GLTFLoader",e,t),this._sceneModelLoader=new OP(this,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new fu}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||jP}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{isModel:!0,dtxEnabled:e.dtxEnabled})),i=t.id;if(!e.src&&!e.gltf)return this.error("load() param expected: src or gltf"),t;if(e.metaModelSrc||e.metaModelJSON){const s=s=>{this.viewer.metaScene.createMetaModel(i,s,{}),this.viewer.scene.canvas.spinner.processes--,e.src?this._sceneModelLoader.load(this,e.src,s,e,t):this._sceneModelLoader.parse(this,e.gltf,s,e,t)};if(e.metaModelSrc){const t=e.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(t,(e=>{this.viewer.scene.canvas.spinner.processes--,s(e)}),(e=>{this.error(`load(): Failed to load model metadata for model '${i} from  '${t}' - ${e}`),this.viewer.scene.canvas.spinner.processes--}))}else e.metaModelJSON&&s(e.metaModelJSON)}else e.src?this._sceneModelLoader.load(this,e.src,null,e,t):this._sceneModelLoader.parse(this,e.gltf,null,e,t);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}function zP(e,t,i={}){const s="lightgrey",r=i.hoverColor||"rgba(0,0,0,0.4)",o=i.textColor||"black",n=500,a=n+n/3,l=a/24,A=[{boundary:[6,6,6,6],color:i.frontColor||i.color||"#55FF55"},{boundary:[18,6,6,6],color:i.backColor||i.color||"#55FF55"},{boundary:[12,6,6,6],color:i.rightColor||i.color||"#FF5555"},{boundary:[0,6,6,6],color:i.leftColor||i.color||"#FF5555"},{boundary:[6,0,6,6],color:i.topColor||i.color||"#7777FF"},{boundary:[6,12,6,6],color:i.bottomColor||i.color||"#7777FF"}],h=[{label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,1,0],up:[0,0,1]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,-1,0],up:[0,0,1]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,0,1]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,0,1]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,0,1],up:[0,-1,0]},{boundaries:[[7,5,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,0,-1],up:[1,0,1]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-1,-1],up:[0,-1,1]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,0,-1],up:[-1,0,1]},{boundaries:[[7,11,4,2]],dir:[0,1,1],up:[0,-1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,0,1],up:[-1,0,1]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,-1,1],up:[0,1,1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,0,1],up:[1,0,1]},{boundaries:[[5,7,2,4]],dir:[1,1,0],up:[0,0,1]},{boundaries:[[11,7,2,4]],dir:[-1,1,0],up:[0,0,1]},{boundaries:[[17,7,2,4]],dir:[-1,-1,0],up:[0,0,1]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,-1,0],up:[0,0,1]},{boundaries:[[5,11,2,2]],dir:[1,1,1],up:[-1,-1,1]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[1,-1,1],up:[-1,1,1]},{boundaries:[[5,5,2,2]],dir:[1,1,-1],up:[1,1,1]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-1,-1,1],up:[1,1,1]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-1,-1,-1],up:[-1,-1,1]},{boundaries:[[11,11,2,2]],dir:[-1,1,1],up:[1,-1,1]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[1,-1,-1],up:[1,-1,1]},{boundaries:[[11,5,2,2]],dir:[-1,1,-1],up:[-1,1,1]}];i.frontColor||i.color,i.backColor||i.color,i.rightColor||i.color,i.leftColor||i.color,i.topColor||i.color,i.bottomColor||i.color;const c=[{yUp:"",label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,0,1],up:[0,1,0]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,1,0]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,1,0]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,-1,0],up:[0,0,-1]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,1,0],up:[0,0,1]},{boundaries:[[7,5,4,2]],dir:[0,-.7071,-.7071],up:[0,.7071,-.7071]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,-1,0],up:[1,1,0]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-.7071,.7071],up:[0,.7071,.7071]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,-1,0],up:[-1,1,0]},{boundaries:[[7,11,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,1,0],up:[-1,1,0]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,1,1],up:[0,1,-1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,1,0],up:[1,1,0]},{boundaries:[[5,7,2,4]],dir:[1,0,-1],up:[0,1,0]},{boundaries:[[11,7,2,4]],dir:[-1,0,-1],up:[0,1,0]},{boundaries:[[17,7,2,4]],dir:[-1,0,1],up:[0,1,0]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,0,1],up:[0,1,0]},{boundaries:[[5,11,2,2]],dir:[.5,.7071,-.5],up:[-.5,.7071,.5]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[.5,.7071,.5],up:[-.5,.7071,-.5]},{boundaries:[[5,5,2,2]],dir:[.5,-.7071,-.5],up:[.5,.7071,-.5]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-.5,.7071,.5],up:[.5,.7071,-.5]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-.5,-.7071,.5],up:[-.5,.7071,.5]},{boundaries:[[11,11,2,2]],dir:[-.5,.7071,-.5],up:[.5,.7071,.5]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[.5,-.7071,.5],up:[.5,.7071,.5]},{boundaries:[[11,5,2,2]],dir:[-.5,-.7071,-.5],up:[-.5,.7071,-.5]}];for(let e=0,t=h.length;e<t;e++)d.normalizeVec3(h[e].dir,h[e].dir),d.normalizeVec3(h[e].up,h[e].up);for(let e=0,t=c.length;e<t;e++)d.normalizeVec3(c[e].dir,c[e].dir),d.normalizeVec3(c[e].up,c[e].up);var u=c;this._textureCanvas=document.createElement("canvas"),this._textureCanvas.width=a,this._textureCanvas.height=n,this._textureCanvas.style.width=a+"px",this._textureCanvas.style.height="500px",this._textureCanvas.style.padding="0",this._textureCanvas.style.margin="0",this._textureCanvas.style.top="0",this._textureCanvas.style.background=s,this._textureCanvas.style.position="absolute",this._textureCanvas.style.opacity="1.0",this._textureCanvas.style.visibility="hidden",this._textureCanvas.style["z-index"]=2e6;document.getElementsByTagName("body")[0].appendChild(this._textureCanvas);const p=this._textureCanvas.getContext("2d");let f=!1;function g(){for(let e=0,t=A.length;e<t;e++){const t=A[e],i=t.boundary,s=Math.round(i[0]*l),r=Math.round(i[1]*l),o=Math.round(i[2]*l),n=Math.round(i[3]*l);p.fillStyle=t.color,p.fillRect(s,r,o,n)}for(let t=0,A=u.length;t<A;t++){let A,h,c,d;const f=u[t],g=f.boundaries;for(var e=0,i=g.length;e<i;e++){const t=g[e];A=Math.round(t[0]*l),h=Math.round(t[1]*l),c=Math.round(t[2]*l),d=Math.round(t[3]*l),f.highlighted&&(p.fillStyle=f.highlighted?r:f.color||s,p.fillRect(A,h,c,d))}if(f.label){p.fillStyle=o,p.font="60px sans-serif",p.textAlign="center";var n=A+.5*c,a=h+.7*d;p.fillText(m(f.label),n,a,80)}}t.glRedraw()}const m=function(){const t={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},i={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},s={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"};return function(r){const o=f?i:t,n=o?o[r]:null;return n?e.localeService.translate(n)||s[n]||n:r}}();this.setZUp=function(){f=!0,u=h,this.clear()},this.setYUp=function(){f=!1,u=c,this.clear()},this.clear=function(){p.fillStyle=s,p.fillRect(0,0,a,n);for(var e=0,t=u.length;e<t;e++){u[e].highlighted=!1}g()},this.getArea=function(e){const t=e[0]*a,i=n-e[1]*n;for(var s=0,r=u.length;s<r;s++){const e=u[s].boundaries;for(var o=0,A=e.length;o<A;o++){const r=e[o];if(t>=r[0]*l&&t<=(r[0]+r[2])*l&&i>=r[1]*l&&i<=(r[1]+r[3])*l)return s}}return-1},this.setAreaHighlighted=function(e,t){var i=u[e];if(!i)throw"Area not found: "+e;i.highlighted=!!t,g()},this.getAreaDir=function(e){var t=u[e];if(!t)throw"Unknown area: "+e;return t.dir},this.getAreaUp=function(e){var t=u[e];if(!t)throw"Unknown area: "+e;return t.up},this.getImage=function(){return this._textureCanvas},this.destroy=function(){this._textureCanvas&&(this._textureCanvas.parentNode.removeChild(this._textureCanvas),this._textureCanvas=null)}}const WP=d.vec3(),KP=d.vec3();d.mat4();class XP extends z{constructor(e,t={}){super("NavCube",e,t),e.navCube=this;try{this._navCubeScene=new bi(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0}),this._navCubeCanvas=this._navCubeScene.canvas.canvas,this._navCubeScene.input.keyboardEnabled=!1}catch(e){return void this.error(e)}const i=this._navCubeScene;i.clearLights(),new Ht(i,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Ht(i,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Ht(i,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._navCubeCamera=i.camera,this._navCubeCamera.ortho.scale=7,this._navCubeCamera.ortho.near=.1,this._navCubeCamera.ortho.far=2e3,i.edgeMaterial.edgeColor=[.2,.2,.2],i.edgeMaterial.edgeAlpha=.6,this._zUp=Boolean(e.camera.zUp);var s=this;this.setIsProjectNorth(t.isProjectNorth),this.setProjectNorthOffsetAngle(t.projectNorthOffsetAngle);const r=function(){const e=d.mat4();return function(t,i,r){return d.identityMat4(e),d.rotationMat4v(t*s._projectNorthOffsetAngle*d.DEGTORAD,[0,1,0],e),d.transformVec3(e,i,r)}}();this._synchCamera=function(){var t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),o=d.vec3(),n=d.vec3();return function(){var a=e.camera.eye,l=e.camera.look,A=e.camera.up;i=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(a,l,i)),5),s._isProjectNorth&&s._projectNorthOffsetAngle&&(i=r(-1,i,WP),A=r(-1,A,KP)),s._zUp?(d.transformVec3(t,i,o),d.transformVec3(t,A,n),s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=d.transformVec3(t,i,o),s._navCubeCamera.up=d.transformPoint3(t,A,n)):(s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=i,s._navCubeCamera.up=A)}}(),this._cubeTextureCanvas=new zP(e,i,t),this._cubeSampler=new ro(i,{image:this._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),this._cubeMesh=new Pr(i,{geometry:new ti(i,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new ni(i,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:this._cubeSampler,emissiveMap:this._cubeSampler}),visible:!0,edges:!0}),this._shadow=!1===t.shadowVisible?null:new Pr(i,{geometry:new ti(i,Mr({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new ni(i,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!0,pickable:!1,backfaces:!1}),this._onCameraMatrix=e.camera.on("matrix",this._synchCamera),this._onCameraWorldAxis=e.camera.on("worldAxis",(()=>{e.camera.zUp?(this._zUp=!0,this._cubeTextureCanvas.setZUp(),this._repaint(),this._synchCamera()):e.camera.yUp&&(this._zUp=!1,this._cubeTextureCanvas.setYUp(),this._repaint(),this._synchCamera())})),this._onCameraFOV=e.camera.perspective.on("fov",(e=>{this._synchProjection&&(this._navCubeCamera.perspective.fov=e)})),this._onCameraProjection=e.camera.on("projection",(e=>{this._synchProjection&&(this._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var o=-1;function n(e){var t=[0,0];if(e){for(var i=e.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var a,l,A=null,h=null,c=!1,u=!1,p=.5;s._navCubeCanvas.addEventListener("mouseenter",s._onMouseEnter=function(e){u=!0}),s._navCubeCanvas.addEventListener("mouseleave",s._onMouseLeave=function(e){u=!1}),s._navCubeCanvas.addEventListener("mousedown",s._onMouseDown=function(e){if(1===e.which){A=e.x,h=e.y,a=e.clientX,l=e.clientY;var t=n(e),s=i.pick({canvasPos:t});c=!!s}}),document.addEventListener("mouseup",s._onMouseUp=function(e){if(1===e.which&&(c=!1,null!==A)){var t=n(e),a=i.pick({canvasPos:t,pickSurface:!0});if(a&&a.uv){var l=s._cubeTextureCanvas.getArea(a.uv);if(l>=0&&(document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0)){if(s._cubeTextureCanvas.setAreaHighlighted(l,!0),o=l,s._repaint(),e.x<A-3||e.x>A+3||e.y<h-3||e.y>h+3)return;var u=s._cubeTextureCanvas.getAreaDir(l);if(u){var d=s._cubeTextureCanvas.getAreaUp(l);s._isProjectNorth&&s._projectNorthOffsetAngle&&(u=r(1,u,WP),d=r(1,d,KP)),f(u,d,(function(){o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0&&(s._cubeTextureCanvas.setAreaHighlighted(l,!1),o=-1,s._repaint())}))}}}}}),document.addEventListener("mousemove",s._onMouseMove=function(t){if(o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),1!==t.buttons||c){if(c){var r=t.clientX,A=t.clientY;return document.body.style.cursor="move",void function(t,i){var s=(t-a)*-p,r=(i-l)*-p;e.camera.orbitYaw(s),e.camera.orbitPitch(-r),a=t,l=i}(r,A)}if(u){var h=n(t),d=i.pick({canvasPos:h,pickSurface:!0});if(d){if(d.uv){document.body.style.cursor="pointer";var f=s._cubeTextureCanvas.getArea(d.uv);if(f===o)return;o>=0&&s._cubeTextureCanvas.setAreaHighlighted(o,!1),f>=0&&(s._cubeTextureCanvas.setAreaHighlighted(f,!0),s._repaint(),o=f)}}else document.body.style.cursor="default",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1)}}});var f=function(){var t=d.vec3();return function(i,r,o){var n=s._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,a=d.getAABB3Diag(n);d.getAABB3Center(n,t);var l=Math.abs(a/Math.tan(s._cameraFitFOV*d.DEGTORAD));e.cameraControl.pivotPos=t,s._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV,duration:s._cameraFlyDuration},o):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV},o)}}();this._onUpdated=e.localeService.on("updated",(()=>{this._cubeTextureCanvas.clear(),this._repaint()})),this.setVisible(t.visible),this.setCameraFitFOV(t.cameraFitFOV),this.setCameraFly(t.cameraFly),this.setCameraFlyDuration(t.cameraFlyDuration),this.setFitVisible(t.fitVisible),this.setSynchProjection(t.synchProjection)}send(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}_repaint(){const e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}setVisible(e=!0){this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}getVisible(){return!!this._navCubeCanvas&&this._cubeMesh.visible}setFitVisible(e=!1){this._fitVisible=e}getFitVisible(){return this._fitVisible}setCameraFly(e=!0){this._cameraFly=e}getCameraFly(){return this._cameraFly}setCameraFitFOV(e=45){this._cameraFitFOV=e}getCameraFitFOV(){return this._cameraFitFOV}setCameraFlyDuration(e=.5){this._cameraFlyDuration=e}getCameraFlyDuration(){return this._cameraFlyDuration}setSynchProjection(e=!1){this._synchProjection=e}getSynchProjection(){return this._synchProjection}setIsProjectNorth(e=!1){this._isProjectNorth=e}getIsProjectNorth(){return this._isProjectNorth}setProjectNorthOffsetAngle(e){this._projectNorthOffsetAngle=e}getProjectNorthOffsetAngle(){return this._projectNorthOffsetAngle}destroy(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,super.destroy()}}const YP=d.vec3();class JP{load(e,t,i={}){var s=e.scene.canvas.spinner;s.processes++,ZP(e,t,(function(t){!function(e,t,i){for(var s=t.basePath,r=Object.keys(t.materialLibraries),o=r.length,n=0,a=o;n<a;n++)$P(e,s,s+r[n],(function(){0==--o&&i()}))}(e,t,(function(){tC(e,t),s.processes--,I.scheduleTask((function(){e.fire("loaded",!0,!1)}))}))}))}parse(e,t,i,s){if(t){var r=qP(e,t,null);i&&eC(e,i,s),tC(e,r),e.src=null,e.fire("loaded",!0,!1)}else this.warn("load() param expected: objText")}}var ZP=function(e,t,i){iC(t,(function(s){var r=qP(e,s,t);i(r)}),(function(t){e.error(t)}))},qP=function(){const e={vertex_pattern:/^v\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,normal_pattern:/^vn\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,uv_pattern:/^vt\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,face_vertex:/^f\s+(-?\d+)\s+(-?\d+)\s+(-?\d+)(?:\s+(-?\d+))?/,face_vertex_uv:/^f\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+))?/,face_vertex_uv_normal:/^f\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+)\/(-?\d+))?/,face_vertex_normal:/^f\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)(?:\s+(-?\d+)\/\/(-?\d+))?/,object_pattern:/^[og]\s*(.+)?/,smoothing_pattern:/^s\s+(\d+|on|off)/,material_library_pattern:/^mtllib /,material_use_pattern:/^usemtl /};return function(s,r,o){var n={src:o=o||"",basePath:t(o),objects:[],object:{},positions:[],normals:[],uv:[],materialLibraries:{}};i(n,"",!1),-1!==r.indexOf("\r\n")&&(r=r.replace("\r\n","\n"));for(var a=r.split("\n"),l="",A="",h="",d=[],p="function"==typeof"".trimLeft,f=0,g=a.length;f<g;f++)if(l=a[f],0!==(l=p?l.trimLeft():l.trim()).length&&"#"!==(A=l.charAt(0)))if("v"===A)if(" "===(h=l.charAt(1))&&null!==(d=e.vertex_pattern.exec(l)))n.positions.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else if("n"===h&&null!==(d=e.normal_pattern.exec(l)))n.normals.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else{if("t"!==h||null===(d=e.uv_pattern.exec(l)))return void s.error("Unexpected vertex/normal/uv line: '"+l+"'");n.uv.push(parseFloat(d[1]),parseFloat(d[2]))}else if("f"===A)if(null!==(d=e.face_vertex_uv_normal.exec(l)))c(n,d[1],d[4],d[7],d[10],d[2],d[5],d[8],d[11],d[3],d[6],d[9],d[12]);else if(null!==(d=e.face_vertex_uv.exec(l)))c(n,d[1],d[3],d[5],d[7],d[2],d[4],d[6],d[8]);else if(null!==(d=e.face_vertex_normal.exec(l)))c(n,d[1],d[3],d[5],d[7],void 0,void 0,void 0,void 0,d[2],d[4],d[6],d[8]);else{if(null===(d=e.face_vertex.exec(l)))return void s.error("Unexpected face line: '"+l+"'");c(n,d[1],d[2],d[3],d[4])}else if("l"===A){var m=l.substring(1).trim().split(" "),_=[],v=[];if(-1===l.indexOf("/"))_=m;else for(var b=0,y=m.length;b<y;b++){var x=m[b].split("/");""!==x[0]&&_.push(x[0]),""!==x[1]&&v.push(x[1])}u(n,_,v)}else if(null!==(d=e.object_pattern.exec(l))){i(n,B=d[0].substr(1).trim(),!0)}else if(e.material_use_pattern.test(l)){var B=l.substring(7).trim();n.object.material.id=B}else if(e.material_library_pattern.test(l))n.materialLibraries[l.substring(7).trim()]=!0;else{if(null===(d=e.smoothing_pattern.exec(l))){if("\0"===l)continue;return void s.error("Unexpected line: '"+l+"'")}var w=d[1].trim().toLowerCase();n.object.material.smooth="1"===w||"on"===w}return n};function t(e){var t=e.lastIndexOf("/");return-1===t?e:e.substring(0,t+1)}function i(e,t,i){if(e.object&&!1===e.object.fromDeclaration)return e.object.id=t,void(e.object.fromDeclaration=!1!==i);e.object={id:t||"",geometry:{positions:[],normals:[],uv:[]},material:{id:"",smooth:!0},fromDeclaration:!1!==i},e.objects.push(e.object)}function s(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function r(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function o(e,t){var i=parseInt(e,10);return 2*(i>=0?i-1:i+t/2)}function n(e,t,i,s){var r=e.positions,o=e.object.geometry.positions;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function a(e,t){var i=e.positions,s=e.object.geometry.positions;s.push(i[t+0]),s.push(i[t+1]),s.push(i[t+2])}function l(e,t,i,s){var r=e.normals,o=e.object.geometry.normals;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function A(e,t,i,s){var r=e.uv,o=e.object.geometry.uv;o.push(r[t+0]),o.push(r[t+1]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[s+0]),o.push(r[s+1])}function h(e,t){var i=e.uv,s=e.object.geometry.uv;s.push(i[t+0]),s.push(i[t+1])}function c(e,t,i,a,h,c,u,d,p,f,g,m,_){var v,b=e.positions.length,y=s(t,b),x=s(i,b),B=s(a,b);if(void 0===h?n(e,y,x,B):(n(e,y,x,v=s(h,b)),n(e,x,B,v)),void 0!==c){var w=e.uv.length;y=o(c,w),x=o(u,w),B=o(d,w),void 0===h?A(e,y,x,B):(A(e,y,x,v=o(p,w)),A(e,x,B,v))}if(void 0!==f){var P=e.normals.length;y=r(f,P),x=f===g?y:r(g,P),B=f===m?y:r(m,P),void 0===h?l(e,y,x,B):(l(e,y,x,v=r(_,P)),l(e,x,B,v))}}function u(e,t,i){e.object.geometry.type="Line";for(var r=e.positions.length,n=e.uv.length,l=0,A=t.length;l<A;l++)a(e,s(t[l],r));for(var c=0,u=i.length;c<u;c++)h(e,o(i[c],n))}}();var $P=function(e,t,i,s){iC(i,(function(i){eC(e,i,t),s()}),(function(t){e.error(t),s()}))},eC=function(){var e=/\s+/;return function(e,r,o){var n,a,l,A,h,c=r.split("\n"),u={id:"Default"},d=!1;o=o||"";for(var p=0;p<c.length;p++)if(0!==(n=c[p].trim()).length&&"#"!==n.charAt(0))switch(l=(l=(a=n.indexOf(" "))>=0?n.substring(0,a):n).toLowerCase(),A=(A=a>=0?n.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,u),u={id:A},d=!0;break;case"ka":u.ambient=s(A);break;case"kd":u.diffuse=s(A);break;case"ks":u.specular=s(A);break;case"map_kd":u.diffuseMap||(u.diffuseMap=t(e,o,A,"sRGB"));break;case"map_ks":u.specularMap||(u.specularMap=t(e,o,A,"linear"));break;case"map_bump":case"bump":u.normalMap||(u.normalMap=t(e,o,A));break;case"ns":u.shininess=parseFloat(A);break;case"d":(h=parseFloat(A))<1&&(u.alpha=h,u.alphaMode="blend");break;case"tr":(h=parseFloat(A))>0&&(u.alpha=1-h,u.alphaMode="blend")}d&&i(e,u)};function t(e,t,i,s){var r={},o=i.split(/\s+/),n=o.indexOf("-bm");return n>=0&&o.splice(n,2),(n=o.indexOf("-s"))>=0&&(r.scale=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),(n=o.indexOf("-o"))>=0&&(r.translate=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),r.src=t+o.join(" ").trim(),r.flipY=!0,r.encoding=s||"linear",new ro(e,r).id}function i(e,t){new ni(e,t)}function s(t){var i=t.split(e,3);return[parseFloat(i[0]),parseFloat(i[1]),parseFloat(i[2])]}}();function tC(e,t){for(var i=0,s=t.objects.length;i<s;i++){var r=t.objects[i],o=r.geometry;if(o.type,0===o.positions.length)continue;var n={primitive:"triangles",compressGeometry:!1};n.positions=o.positions,o.normals.length>0&&(n.normals=o.normals),o.uv.length>0&&(n.uv=o.uv);for(var a=new Array(n.positions.length/3),l=0;l<a.length;l++)a[l]=l;n.indices=a;const s=YP;q(o.positions,o.positions,s);var A,h=new ti(e,n),c=r.material.id;c&&""!==c?(A=e.scene.components[c])||e.error("Material not found: "+c):A=new ni(e,{diffuse:[.6,.6,.6],backfaces:!0});var u=new Pr(e,{id:e.id+"#"+r.id,origin:0!==s[0]||0!==s[1]||0!==s[2]?s:null,isObject:!0,geometry:h,material:A,pickable:!0});e.addChild(u)}}function iC(e,t,i){var s=new XMLHttpRequest;s.open("GET",e,!0),s.addEventListener("load",(function(e){var s=e.target.response;200===this.status?t&&t(s):0===this.status?(console.warn("loadFile: HTTP Status 0 received."),t&&t(s)):i&&i(e)}),!1),s.addEventListener("error",(function(e){i&&i(e)}),!1),s.send(null)}class sC extends z{constructor(e,t){super("OBJLoader",e,t),this._sceneGraphLoader=new JP}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new Hr(this.viewer.scene,y.apply(e,{isModel:!0}));const i=t.id,s=e.src;if(!s)return this.error("load() param expected: src"),t;if(e.metaModelSrc){const r=e.metaModelSrc;y.loadJSON(r,(r=>{this.viewer.metaScene.createMetaModel(i,r),this._sceneGraphLoader.load(t,s,e)}),(e=>{this.error(`load(): Failed to load model modelMetadata for model '${i} from  '${r}' - ${e}`)}))}else this._sceneGraphLoader.load(t,s,e);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}const rC=new Float64Array([0,0,1]),oC=new Float64Array(4);class nC{constructor(e){this.id=null,this._viewer=e.viewer,this._visible=!1,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._baseDir=d.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}_setSectionPlane(e){this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(()=>{this._setPos(this._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(()=>{this._ignoreNextSectionPlaneDirUpdate?this._ignoreNextSectionPlaneDirUpdate=!1:this._setDir(this._sectionPlane.dir)})))}get sectionPlane(){return this._sectionPlane}_setPos(e){this._pos.set(e),Z(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}_setDir(e){this._baseDir.set(e),this._rootNode.quaternion=d.vec3PairToQuaternion(rC,e,oC)}_setSectionPlaneDir(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}setVisible(e=!0){if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}getVisible(){return this._visible}setCulled(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}_createNodes(){const e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Hr(t,{position:[0,0,0],scale:[5,5,5],isObject:!1});const s=this._rootNode,r={arrowHead:new ti(s,Mr({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new ti(s,Mr({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),arrowHeadHandle:new ti(s,Mr({radiusTop:.09,radiusBottom:.09,radialSegments:8,heightSegments:1,height:.37,openEnded:!1})),curve:new ti(s,mo({radius:.8,tube:i,radialSegments:64,tubeSegments:14,arc:2*Math.PI/4})),curveHandle:new ti(s,mo({radius:.8,tube:.06,radialSegments:64,tubeSegments:14,arc:2*Math.PI/4})),hoop:new ti(s,mo({radius:.8,tube:i,radialSegments:64,tubeSegments:8,arc:2*Math.PI})),axis:new ti(s,Mr({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1})),axisHandle:new ti(s,Mr({radiusTop:.08,radiusBottom:.08,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},o={pickable:new ni(s,{diffuse:[1,1,0],alpha:0,alphaMode:"blend"}),red:new ni(s,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new li(s,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6}),green:new ni(s,{diffuse:[0,1,0],emissive:[0,1,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightGreen:new li(s,{edges:!1,fill:!0,fillColor:[0,1,0],fillAlpha:.6}),blue:new ni(s,{diffuse:[0,0,1],emissive:[0,0,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightBlue:new li(s,{edges:!1,fill:!0,fillColor:[0,0,1],fillAlpha:.2}),center:new ni(s,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),highlightBall:new li(s,{edges:!1,fill:!0,fillColor:[.5,.5,.5],fillAlpha:.5,vertices:!1}),highlightPlane:new li(s,{edges:!0,edgeWidth:3,fill:!1,fillColor:[.5,.5,.5],fillAlpha:.5,vertices:!1})};this._displayMeshes={plane:s.addChild(new Pr(s,{geometry:new ti(s,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new ni(s,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new li(s,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),e),planeFrame:s.addChild(new Pr(s,{geometry:new ti(s,mo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new ni(s,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new li(s,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),e),xCurve:s.addChild(new Pr(s,{geometry:r.curve,material:o.red,matrix:function(){const e=d.rotationMat4v(90*d.DEGTORAD,[0,1,0],d.identityMat4()),t=d.rotationMat4v(270*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xCurveHandle:s.addChild(new Pr(s,{geometry:r.curveHandle,material:o.pickable,matrix:function(){const e=d.rotationMat4v(90*d.DEGTORAD,[0,1,0],d.identityMat4()),t=d.rotationMat4v(270*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xCurveArrow1:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.red,matrix:function(){const e=d.translateMat4c(0,-.07,-.8,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(0*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xCurveArrow2:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.red,matrix:function(){const e=d.translateMat4c(0,-.8,-.07,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yCurve:s.addChild(new Pr(s,{geometry:r.curve,material:o.green,rotation:[-90,0,0],pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),yCurveHandle:s.addChild(new Pr(s,{geometry:r.curveHandle,material:o.pickable,rotation:[-90,0,0],pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),yCurveArrow1:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.green,matrix:function(){const e=d.translateMat4c(.07,0,-.8,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yCurveArrow2:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.green,matrix:function(){const e=d.translateMat4c(.8,0,-.07,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurve:s.addChild(new Pr(s,{geometry:r.curve,material:o.blue,matrix:d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4()),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveHandle:s.addChild(new Pr(s,{geometry:r.curveHandle,material:o.pickable,matrix:d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4()),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveCurveArrow1:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(.8,-.07,0,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4());return d.mulMat4(e,t,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveArrow2:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(.05,-.8,0,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),center:s.addChild(new Pr(s,{geometry:new ti(s,Er({radius:.05})),material:o.center,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.red,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisArrowHandle:s.addChild(new Pr(s,{geometry:r.arrowHeadHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxis:s.addChild(new Pr(s,{geometry:r.axis,material:o.red,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisHandle:s.addChild(new Pr(s,{geometry:r.axisHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.green,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrowHandle:s.addChild(new Pr(s,{geometry:r.arrowHeadHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,opacity:.2,isObject:!1}),e),yShaft:s.addChild(new Pr(s,{geometry:r.axis,material:o.green,position:[0,-.5,0],pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yShaftHandle:s.addChild(new Pr(s,{geometry:r.axisHandle,material:o.pickable,position:[0,-.5,0],pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrowHandle:s.addChild(new Pr(s,{geometry:r.arrowHeadHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zShaft:s.addChild(new Pr(s,{geometry:r.axis,material:o.blue,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1,isObject:!1}),e),zAxisHandle:s.addChild(new Pr(s,{geometry:r.axisHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),clippable:!1,pickable:!0,collidable:!0,visible:!1,isObject:!1}),e)},this._affordanceMeshes={planeFrame:s.addChild(new Pr(s,{geometry:new ti(s,mo({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new ni(s,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new li(s,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45],isObject:!1}),e),xHoop:s.addChild(new Pr(s,{geometry:r.hoop,material:o.red,highlighted:!0,highlightMaterial:o.highlightRed,matrix:function(){const e=d.rotationMat4v(90*d.DEGTORAD,[0,1,0],d.identityMat4()),t=d.rotationMat4v(270*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yHoop:s.addChild(new Pr(s,{geometry:r.hoop,material:o.green,highlighted:!0,highlightMaterial:o.highlightGreen,rotation:[-90,0,0],pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zHoop:s.addChild(new Pr(s,{geometry:r.hoop,material:o.blue,highlighted:!0,highlightMaterial:o.highlightBlue,matrix:d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4()),pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHeadBig,material:o.red,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHeadBig,material:o.green,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHeadBig,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e)}}_bindEvents(){const e=this;var t=!1;const i=-1,s=0,r=1,o=2,n=3,a=4,l=5,A=this._rootNode;var h=null,c=null;const u=d.vec2(),p=d.vec3([1,0,0]),f=d.vec3([0,1,0]),g=d.vec3([0,0,1]),m=this._viewer.scene.canvas.canvas,_=this._viewer.camera,v=this._viewer.scene;{const e=d.vec3([0,0,0]);let t=-1;this._onCameraViewMatrix=v.camera.on("viewMatrix",(()=>{})),this._onCameraProjMatrix=v.camera.on("projMatrix",(()=>{})),this._onSceneTick=v.on("tick",(()=>{const i=Math.abs(d.lenVec3(d.subVec3(v.camera.eye,this._pos,e)));if(i!==t&&"perspective"===_.projection){const e=.07*(Math.tan(_.perspective.fov*d.DEGTORAD)*i);A.scale=[e,e,e],t=i}if("ortho"===_.projection){const e=_.ortho.scale/10;A.scale=[e,e,e],t=i}}))}const b=function(){const e=new Float64Array(2);return function(t){if(t){for(var i=t.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-s,e[1]=t.pageY-r}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),y=function(){const t=d.mat4();return function(i,s){return d.quaternionToMat4(e._rootNode.quaternion,t),d.transformVec3(t,i,s),d.normalizeVec3(s),s}}();var x=function(){const e=d.vec3();return function(t){const i=Math.abs(t[0]);return i>Math.abs(t[1])&&i>Math.abs(t[2])?d.cross3Vec3(t,[0,1,0],e):d.cross3Vec3(t,[1,0,0],e),d.cross3Vec3(e,t,e),d.normalizeVec3(e),e}}();const B=function(){const t=d.vec3(),i=d.vec3(),s=d.vec4();return function(r,o,n){y(r,s);const a=x(s,o,n);P(o,a,t),P(n,a,i),d.subVec3(i,t);const l=d.dotVec3(i,s);e._pos[0]+=s[0]*l,e._pos[1]+=s[1]*l,e._pos[2]+=s[2]*l,e._rootNode.position=e._pos,e._sectionPlane&&(e._sectionPlane.pos=e._pos)}}();var w=function(){const t=d.vec4(),i=d.vec4(),s=d.vec4(),r=d.vec4();return function(o,n,a){y(o,r);if(!(P(n,r,t)&&P(a,r,i))){const e=x(r,n,a);P(n,e,t,1),P(a,e,i,1);var l=d.dotVec3(t,r);t[0]-=l*r[0],t[1]-=l*r[1],t[2]-=l*r[2],l=d.dotVec3(i,r),i[0]-=l*r[0],i[1]-=l*r[1],i[2]-=l*r[2]}d.normalizeVec3(t),d.normalizeVec3(i),l=d.dotVec3(t,i),l=d.clamp(l,-1,1);var A=Math.acos(l)*d.RADTODEG;d.cross3Vec3(t,i,s),d.dotVec3(s,r)<0&&(A=-A),e._rootNode.rotate(o,A),C()}}(),P=function(){const t=d.vec4([0,0,0,1]),i=d.mat4();return function(s,r,o,n){n=n||0,t[0]=s[0]/m.width*2-1,t[1]=-(s[1]/m.height*2-1),t[2]=0,t[3]=1,d.mulMat4(_.projMatrix,_.viewMatrix,i),d.inverseMat4(i),d.transformVec4(i,t,t),d.mulVec4Scalar(t,1/t[3]);var a=_.eye;d.subVec4(t,a,t);const l=e._sectionPlane.pos;var A=-d.dotVec3(l,r)-n,h=d.dotVec3(r,t);if(Math.abs(h)>.005){var c=-(d.dotVec3(r,a)+A)/h;return d.mulVec3Scalar(t,c,o),d.addVec3(o,a),d.subVec3(o,l,o),!0}return!1}}();const C=function(){const t=d.vec3(),i=d.mat4();return function(){e.sectionPlane&&(d.quaternionToMat4(A.quaternion,i),d.transformVec3(i,[0,0,1],t),e._setSectionPlaneDir(t))}}();var M,E=!1;this._onCameraControlHover=this._viewer.cameraControl.on("hoverEnter",(e=>{if(!this._visible)return;if(E)return;var A;t=!1,M&&(M.visible=!1);switch(e.entity.id){case this._displayMeshes.xAxisArrowHandle.id:case this._displayMeshes.xAxisHandle.id:A=this._affordanceMeshes.xAxisArrow,h=s;break;case this._displayMeshes.yAxisArrowHandle.id:case this._displayMeshes.yShaftHandle.id:A=this._affordanceMeshes.yAxisArrow,h=r;break;case this._displayMeshes.zAxisArrowHandle.id:case this._displayMeshes.zAxisHandle.id:A=this._affordanceMeshes.zAxisArrow,h=o;break;case this._displayMeshes.xCurveHandle.id:A=this._affordanceMeshes.xHoop,h=n;break;case this._displayMeshes.yCurveHandle.id:A=this._affordanceMeshes.yHoop,h=a;break;case this._displayMeshes.zCurveHandle.id:A=this._affordanceMeshes.zHoop,h=l;break;default:return void(h=i)}A&&(A.visible=!0),M=A,t=!0})),this._onCameraControlHoverLeave=this._viewer.cameraControl.on("hoverOutEntity",(e=>{this._visible&&(M&&(M.visible=!1),M=null,h=i)})),m.addEventListener("mousedown",this._canvasMouseDownListener=e=>{if(e.preventDefault(),this._visible&&t&&(this._viewer.cameraControl.pointerEnabled=!1,1===e.which)){E=!0;var i=b(e);c=h,u[0]=i[0],u[1]=i[1]}}),m.addEventListener("mousemove",this._canvasMouseMoveListener=e=>{if(!this._visible)return;if(!E)return;var t=b(e);const i=t[0],A=t[1];switch(c){case s:B(p,u,t);break;case r:B(f,u,t);break;case o:B(g,u,t);break;case n:w(p,u,t);break;case a:w(f,u,t);break;case l:w(g,u,t)}u[0]=i,u[1]=A}),m.addEventListener("mouseup",this._canvasMouseUpListener=e=>{this._visible&&(this._viewer.cameraControl.pointerEnabled=!0,E&&(e.which,E=!1,t=!1))}),m.addEventListener("wheel",this._canvasWheelListener=e=>{if(this._visible)Math.max(-1,Math.min(1,40*-e.deltaY))})}_destroy(){this._unbindEvents(),this._destroyNodes()}_unbindEvents(){const e=this._viewer,t=e.scene,i=t.canvas.canvas,s=e.camera,r=e.cameraControl;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),s.off(this._onCameraViewMatrix),s.off(this._onCameraProjMatrix),r.off(this._onCameraControlHover),r.off(this._onCameraControlHoverLeave)}_destroyNodes(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}class aC{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new Pr(t,{id:i.id,geometry:new ti(t,ii({xSize:.5,ySize:.5,zSize:.001})),material:new ni(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new hi(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new li(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new li(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=d.vec3([0,0,0]),t=d.vec3(),i=d.vec3([0,0,1]),s=d.vec4(4),r=d.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];d.subVec3(o,this._sectionPlane.pos,e);const a=-d.dotVec3(n,e);d.normalizeVec3(n),d.mulVec3Scalar(n,a,t);const l=d.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class lC{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new bi(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Ht(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Ht(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Ht(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),s=d.vec3(),r=d.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;d.mulVec3Scalar(d.normalizeVec3(d.subVec3(o,n,i)),7),this._zUp?(d.transformVec3(t,i,s),d.transformVec3(t,a,r),e.look=[0,0,0],e.eye=d.transformVec3(t,i,s),e.up=d.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new aC(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const AC=d.AABB3(),hC=d.vec3();class cC extends z{constructor(e,t={}){if(super("SectionPlanes",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new lC(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;AC.set(this.viewer.scene.aabb),d.getAABB3Center(AC,hC),AC[0]+=t[0]-hC[0],AC[1]+=t[1]-hC[1],AC[2]+=t[2]-hC[2],AC[3]+=t[0]-hC[0],AC[4]+=t[1]-hC[1],AC[5]+=t[2]-hC[2],this.viewer.cameraFlight.flyTo({aabb:AC,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Sr(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new nC(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(var t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}class uC{constructor(e,t,i,s,r,o){this.plugin=e,this.storeyId=r,this.modelId=s,this.storeyAABB=i.slice(),this.aabb=this.storeyAABB,this.modelAABB=t.slice(),this.numObjects=o}}class dC{constructor(e,t,i,s,r,o){this.storeyId=e,this.imageData=t,this.format=i,this.width=s,this.height=r}}const pC=d.vec3(),fC=d.mat4();class gC extends z{constructor(e,t={}){super("StoreyViews",e),this._objectsMemento=new Ku,this._cameraMemento=new ju,this.storeys={},this._storeysList=null,this.modelStoreys={},this._fitStoreyMaps=!!t.fitStoreyMaps,this._onModelLoaded=this.viewer.scene.on("modelLoaded",(e=>{this._registerModelStoreys(e),this.fire("storeys",this.storeys)}))}_registerModelStoreys(e){const t=this.viewer,i=t.scene,s=t.metaScene,r=s.metaModels[e],o=i.models[e];if(!r||!r.rootMetaObjects)return;const n=r.rootMetaObjects;for(let t=0,r=n.length;t<r;t++){const r=n[t].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]);for(let t=0,n=r.length;t<n;t++){const n=r[t],a=s.metaObjects[n].getObjectIDsInSubtree(),l=i.getAABB(a),A=Math.random()>.5?a.length:0,h=new uC(this,o.aabb,l,e,n,A);h._onModelDestroyed=o.once("destroyed",(()=>{this._deregisterModelStoreys(e),this.fire("storeys",this.storeys)})),this.storeys[n]=h,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][n]=h}}}_deregisterModelStoreys(e){const t=this.modelStoreys[e];if(t){const i=this.viewer.scene;for(let e in t)if(t.hasOwnProperty(e)){const s=t[e],r=i.models[s.modelId];r&&r.off(s._onModelDestroyed),delete this.storeys[e],this._storeysList=null}delete this.modelStoreys[e]}}get fitStoreyMaps(){return this._fitStoreyMaps}gotoStoreyCamera(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());const s=this.viewer,r=s.scene.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return void(t.done&&t.done());if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return void(t.done&&t.done());const n=d.getAABB3Center(o),a=d.getAABB3Diag(o),l=Math.abs(a/Math.tan(45*d.DEGTORAD)),A=1.3*a,h=pC;h[0]=n[0]+r.worldUp[0]*l,h[1]=n[1]+r.worldUp[1]*l,h[2]=n[2]+r.worldUp[2]*l;const c=r.worldForward;t.done?s.cameraFlight.flyTo(y.apply(t,{eye:h,look:n,up:c,orthoScale:A}),(()=>{t.done()})):(s.cameraFlight.jumpTo(y.apply(t,{eye:h,look:n,up:c,orthoScale:A})),s.camera.ortho.scale=A)}showStoreyObjects(e,t={}){if(!this.storeys[e])return void this.error("IfcBuildingStorey not found with this ID: "+e);const i=this.viewer,s=i.scene;i.metaScene.metaObjects[e]&&(t.hideOthers&&s.setObjectsVisible(i.scene.visibleObjectIds,!1),this.withStoreyObjects(e,((e,t)=>{e&&(e.visible=!0)})))}withStoreyObjects(e,t){const i=this.viewer,s=i.scene,r=i.metaScene,o=r.metaObjects[e];if(!o)return;const n=o.getObjectIDsInSubtree();for(var a=0,l=n.length;a<l;a++){const e=n[a],i=r.metaObjects[e],o=s.objects[e];o&&t(o,i)}}createStoreyMap(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==";const s=this.viewer,r=s.scene,o=t.format||"png",n=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,a=Math.abs((n[5]-n[2])/(n[3]-n[0])),l=t.padding||0;let A,h;t.width&&t.height?(A=t.width,h=t.height):t.height?(h=t.height,A=Math.round(h/a)):t.width?(A=t.width,h=Math.round(A*a)):(A=300,h=Math.round(A*a));const c={visible:!0};this._objectsMemento.saveObjects(r,c),this._cameraMemento.saveCamera(r),this.showStoreyObjects(e,y.apply(t,{hideOthers:!0})),this._arrangeStoreyMapCamera(i);const u=s.getSnapshot({width:A,height:h,format:o});return this._objectsMemento.restoreObjects(r,c),this._cameraMemento.restoreCamera(r),new dC(e,u,o,A,h,l)}_arrangeStoreyMapCamera(e){const t=this.viewer,i=t.scene.camera,s=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,r=d.getAABB3Center(s),o=pC;o[0]=r[0]+.5*i.worldUp[0],o[1]=r[1]+.5*i.worldUp[1],o[2]=r[2]+.5*i.worldUp[2];const n=i.worldForward;t.cameraFlight.jumpTo({eye:o,look:r,up:n});const a=(s[3]-s[0])/2,l=(s[4]-s[1])/2,A=(s[5]-s[2])/2,h=-a,c=+a,u=-l,p=+l,f=-A,g=+A;t.camera.customProjection.matrix=d.orthoMat4c(h,c,f,g,u,p,fC),t.camera.projection="customProjection"}pickStoreyMap(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],c=a[3]-l,u=a[4]-A,p=a[5]-h,f=d.vec3([l+c*o,A+.5*u,h+p*n]),g=d.vec3([0,-1,0]),m=d.addVec3(f,g,pC),_=this.viewer.camera.worldForward,v=d.lookAtMat4v(f,m,_,fC);return this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:v})}storeyMapToWorldPos(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],c=a[3]-l,u=a[4]-A,p=a[5]-h;return d.vec3([l+c*o,A+.5*u,h+p*n])}getStoreyContainingWorldPos(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t];if(d.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return t}return null}getStoreyInVerticalRange(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t],r=[0,0,0,0,0,0],o=[0,0,0];if(r[1]=s.storeyAABB[1],r[4]=s.storeyAABB[4],o[1]=e[1],d.point3AABB3AbsoluteIntersect(r,o))return t}return null}isPositionAboveOrBelowBuilding(e,t=null){const i=t?this._filterStoreys(t):this.storeys,s=Object.keys(i);if(s.length<=0)return null;const r=[s[0],s[s.length-1]];return e[1]<i[r[0]].storeyAABB[1]?r[0]:e[1]>i[r[1]].storeyAABB[4]?r[1]:null}worldPosToStoreyMap(e,t,i){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),!1;const o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,n=o[0],a=o[1],l=o[2],A=o[3]-n,h=o[4]-a,c=o[5]-l,u=this.viewer.camera.worldUp,d=u[0]>u[1]&&u[0]>u[2],p=!d&&u[1]>u[0]&&u[1]>u[2];!d&&!p&&u[2]>u[0]&&(u[2],u[1]);const f=e.width/A,g=p?e.height/c:e.height/h;return i[0]=Math.floor(e.width-(t[0]-n)*f),i[1]=Math.floor(e.height-(t[2]-l)*g),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}worldDirToStoreyMap(e,t,i){const s=this.viewer.camera,r=s.eye,o=s.look,n=d.subVec3(o,r,pC),a=s.worldUp,l=a[0]>a[1]&&a[0]>a[2],A=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!A&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=n[1],i[1]=n[2]):A?(i[0]=n[0],i[1]=n[2]):(i[0]=n[0],i[1]=n[1]),d.normalizeVec2(i)}destroy(){this.viewer.scene.off(this._onModelLoaded),super.destroy()}get storeysList(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{let s=0;s=e.xUp?0:e.yUp?1:2;const r=this.viewer.metaScene,o=r.metaObjects[t.storeyId],n=r.metaObjects[i.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&n&&n.attributes&&void 0!==n.attributes.elevation){const e=Number.parseFloat(o.attributes.elevation),t=Number.parseFloat(n.attributes.elevation);return e>t?-1:e<t?1:0}return t.aabb[s]>i.aabb[s]?-1:t.aabb[s]<i.aabb[s]?1:0})}_filterStoreys(e){return Object.fromEntries(Object.entries(this.storeys).filter((([t,i])=>i.modelId===e)))}}const mC=new Float64Array([0,0,1]),_C=new Float64Array(4);class vC{constructor(e){this.id=null,this._viewer=e.viewer,this._plugin=e,this._visible=!1,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._baseDir=d.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}_setSectionPlane(e){this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(()=>{this._setPos(this._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(()=>{this._ignoreNextSectionPlaneDirUpdate?this._ignoreNextSectionPlaneDirUpdate=!1:this._setDir(this._sectionPlane.dir)})))}get sectionPlane(){return this._sectionPlane}_setPos(e){this._pos.set(e),Z(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}_setDir(e){this._baseDir.set(e),this._rootNode.quaternion=d.vec3PairToQuaternion(mC,e,_C)}_setSectionPlaneDir(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}setVisible(e=!0){if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}getVisible(){return this._visible}setCulled(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}_createNodes(){const e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Hr(t,{position:[0,0,0],scale:[5,5,5]});const s=this._rootNode,r={arrowHead:new ti(s,Mr({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new ti(s,Mr({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new ti(s,Mr({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},o={red:new ni(s,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new ni(s,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new ni(s,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new li(s,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:s.addChild(new Pr(s,{geometry:new ti(s,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new ni(s,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:s.addChild(new Pr(s,{geometry:new ti(s,mo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new ni(s,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:s.addChild(new Pr(s,{geometry:new ti(s,Er({radius:.05})),material:o.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:s.addChild(new Pr(s,{geometry:r.axis,material:o.blue,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:s.addChild(new Pr(s,{geometry:new ti(s,mo({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new ni(s,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new li(s,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHeadBig,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}_bindEvents(){const e=this._rootNode,t=d.vec2(),i=this._viewer.camera,s=this._viewer.scene;let r=0,o=!1;{const t=d.vec3([0,0,0]);let n=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(()=>{})),this._onCameraProjMatrix=s.camera.on("projMatrix",(()=>{})),this._onSceneTick=s.on("tick",(()=>{o=!1;const l=Math.abs(d.lenVec3(d.subVec3(s.camera.eye,this._pos,t)));if(l!==n&&"perspective"===i.projection){const t=.07*(Math.tan(i.perspective.fov*d.DEGTORAD)*l);e.scale=[t,t,t],n=l}if("ortho"===i.projection){const t=i.ortho.scale/10;e.scale=[t,t,t],n=l}0!==r&&(a(r),r=0)}))}const n=function(){const e=new Float64Array(2);return function(t){if(t){for(var i=t.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-s,e[1]=t.pageY-r}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),a=e=>{const t=this._sectionPlane.pos,i=this._sectionPlane.dir;d.addVec3(t,d.mulVec3Scalar(i,.1*e*this._plugin.getDragSensitivity(),d.vec3())),this._sectionPlane.pos=t};{let e=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=i=>{if(i.preventDefault(),this._visible&&(this._viewer.cameraControl.pointerEnabled=!1,1===i.which)){e=!0;var s=n(i);t[0]=s[0],t[1]=s[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=i=>{if(!this._visible)return;if(!e)return;if(o)return;var s=n(i);const r=s[0],l=s[1];a(l-t[1]),t[0]=r,t[1]=l}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=t=>{this._visible&&(this._viewer.cameraControl.pointerEnabled=!0,e&&(t.which,e=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=e=>{this._visible&&(r+=Math.max(-1,Math.min(1,40*-e.deltaY)))})}{let e,t,i=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=t=>{t.stopPropagation(),t.preventDefault(),this._visible&&(e=t.touches[0].clientY,i=e,r=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=e=>{e.stopPropagation(),e.preventDefault(),this._visible&&(o||(o=!0,t=e.touches[0].clientY,null!==i&&(r+=t-i),i=t))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=i=>{i.stopPropagation(),i.preventDefault(),this._visible&&(e=null,t=null,r=0)})}}_destroy(){this._unbindEvents(),this._destroyNodes()}_unbindEvents(){const e=this._viewer,t=e.scene,i=t.canvas.canvas,s=e.camera,r=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),r.removeEventListener("touchstart",this._handleTouchStart),r.removeEventListener("touchmove",this._handleTouchMove),r.removeEventListener("touchend",this._handleTouchEnd),s.off(this._onCameraViewMatrix),s.off(this._onCameraProjMatrix)}_destroyNodes(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}class bC{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new Pr(t,{id:i.id,geometry:new ti(t,ii({xSize:.5,ySize:.5,zSize:.001})),material:new ni(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new hi(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new li(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new li(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=d.vec3([0,0,0]),t=d.vec3(),i=d.vec3([0,0,1]),s=d.vec4(4),r=d.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];d.subVec3(o,this._sectionPlane.pos,e);const a=-d.dotVec3(n,e);d.normalizeVec3(n),d.mulVec3Scalar(n,a,t);const l=d.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class yC{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new bi(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Ht(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Ht(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Ht(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),s=d.vec3(),r=d.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;d.mulVec3Scalar(d.normalizeVec3(d.subVec3(o,n,i)),7),this._zUp?(d.transformVec3(t,i,s),d.transformVec3(t,a,r),e.look=[0,0,0],e.eye=d.transformVec3(t,i,s),e.up=d.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new bC(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const xC=d.AABB3(),BC=d.vec3();class wC extends z{constructor(e,t={}){if(super("FaceAlignedSectionPlanesPlugin",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,this._dragSensitivity=t.dragSensitivity||1,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new yC(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;xC.set(this.viewer.scene.aabb),d.getAABB3Center(xC,BC),xC[0]+=t[0]-BC[0],xC[1]+=t[1]-BC[1],xC[2]+=t[2]-BC[2],xC[3]+=t[0]-BC[0],xC[4]+=t[1]-BC[1],xC[5]+=t[2]-BC[2],this.viewer.cameraFlight.flyTo({aabb:xC,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}null===t.controlElementId||void 0===t.controlElementId?this.error("Parameter expected: controlElementId"):(this._controlElement=document.getElementById(t.controlElementId),this._controlElement||this.warn("Can't find control element: '"+t.controlElementId+"' - will create plugin without control element")),this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setDragSensitivity(e){this._dragSensitivity=e||1}getDragSensitivity(){return this._dragSensitivity}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Sr(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new vC(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(let e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){let t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){let e=this._freeControls.pop();for(;e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}class PC extends z{constructor(e){super("skyboxes",e),this.skyboxes={}}send(e,t){if("clear"===e)this.clear()}createSkybox(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new qu(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}destroySkybox(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}clear(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}destroy(){this.clear(),super.clear()}}class CC{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getSTL(e,t,i){e=this._cacheBusterURL(e);const s=new XMLHttpRequest;s.overrideMimeType("application/json"),s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i(s.statusText))},s.send(null)}}const MC=d.vec3();class EC{load(e,t,i,s,r,o){s=s||{};const n=e.viewer.scene.canvas.spinner;n.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,s){try{const r=RC(i);FC(r)?IC(e,r,t,s):DC(e,TC(i),t,s)}catch(e){t.fire("error",e)}}(e,t,i,s);try{const o=RC(i);FC(o)?IC(e,o,t,s):DC(e,TC(i),t,s),n.processes--,I.scheduleTask((function(){t.fire("loaded",!0,!1)})),r&&r()}catch(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}}),(function(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}))}parse(e,t,i,s){const r=e.viewer.scene.canvas.spinner;r.processes++;try{const o=RC(i);FC(o)?IC(e,o,t,s):DC(e,TC(i),t,s),r.processes--,I.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){r.processes--,t.fire("error",e)}}}function FC(e){const t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;const i=[115,111,108,105,100];for(var s=0;s<5;s++)if(i[s]!==t.getUint8(s,!1))return!0;return!1}function IC(e,t,i,s){const r=new DataView(t),o=r.getUint32(80,!0);let n,a,l,A,h,c,u,d=!1,p=null,f=null,g=null,m=!1;for(let e=0;e<70;e++)1129270351===r.getUint32(e,!1)&&82===r.getUint8(e+4)&&61===r.getUint8(e+5)&&(d=!0,A=[],h=r.getUint8(e+6)/255,c=r.getUint8(e+7)/255,u=r.getUint8(e+8)/255,r.getUint8(e+9));const _=new Wr(i,{roughness:.5});let v=[],b=[],y=s.splitMeshes;for(let e=0;e<o;e++){let t=84+50*e,o=r.getFloat32(t,!0),x=r.getFloat32(t+4,!0),B=r.getFloat32(t+8,!0);if(d){let e=r.getUint16(t+48,!0);0==(32768&e)?(n=(31&e)/31,a=(e>>5&31)/31,l=(e>>10&31)/31):(n=h,a=c,l=u),(y&&n!==p||a!==f||l!==g)&&(null!==p&&(m=!0),p=n,f=a,g=l)}for(let e=1;e<=3;e++){let i=t+12*e;v.push(r.getFloat32(i,!0)),v.push(r.getFloat32(i+4,!0)),v.push(r.getFloat32(i+8,!0)),b.push(o,x,B),d&&A.push(n,a,l,1)}y&&m&&(SC(i,v,b,A,_,s),v=[],b=[],A=A?[]:null,m=!1)}v.length>0&&SC(i,v,b,A,_,s)}function DC(e,t,i,s){const r=/facet([\s\S]*?)endfacet/g;let o=0;const n=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,a=new RegExp("vertex"+n+n+n,"g"),l=new RegExp("normal"+n+n+n,"g"),A=[],h=[];let c,u,d,p,f,g,m;for(;null!==(p=r.exec(t));){for(f=0,g=0,m=p[0];null!==(p=l.exec(m));)c=parseFloat(p[1]),u=parseFloat(p[2]),d=parseFloat(p[3]),g++;for(;null!==(p=a.exec(m));)A.push(parseFloat(p[1]),parseFloat(p[2]),parseFloat(p[3])),h.push(c,u,d),f++;1!==g&&e.error("Error in normal of face "+o),3!==f&&e.error("Error in positions of face "+o),o++}SC(i,A,h,null,new Wr(i,{roughness:.5}),s)}function SC(e,t,i,s,r,o){const n=new Int32Array(t.length/3);for(let e=0,t=n.length;e<t;e++)n[e]=e;i=i&&i.length>0?i:null,s=s&&s.length>0?s:null,o.smoothNormals&&d.faceToVertexNormals(t,i,o);const a=MC;q(t,t,a);const l=new ti(e,{primitive:"triangles",positions:t,normals:i,colors:s,indices:n}),A=new Pr(e,{origin:0!==a[0]||0!==a[1]||0!==a[2]?a:null,geometry:l,material:r,edges:o.edges});e.addChild(A)}function TC(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let i=0,s=e.length;i<s;i++)t+=String.fromCharCode(e[i]);return decodeURIComponent(escape(t))}(new Uint8Array(e)):e}function RC(e){if("string"==typeof e){const t=new Uint8Array(e.length);for(let i=0;i<e.length;i++)t[i]=255&e.charCodeAt(i);return t.buffer||t}return e}class LC extends z{constructor(e,t={}){super("STLLoader",e,t),this._sceneGraphLoader=new EC,this.dataSource=t.dataSource}set dataSource(e){this._dataSource=e||new CC}get dataSource(){return this._dataSource}load(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Hr(this.viewer.scene,y.apply(e,{isModel:!0})),i=e.src,s=e.stl;return i||s?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,s,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}}class UC{createRootNode(){return document.createElement("ul")}createNodeElement(e,t,i,s,r){const o=document.createElement("li");if(o.id=e.nodeId,e.xrayed&&o.classList.add("xrayed-node"),e.children.length>0){const i=document.createElement("a");i.href="#",i.id=`switch-${e.nodeId}`,i.textContent="+",i.classList.add("plus"),t&&i.addEventListener("click",t),o.appendChild(i)}const n=document.createElement("input");n.id=`checkbox-${e.nodeId}`,n.type="checkbox",n.checked=e.checked,n.style["pointer-events"]="all",i&&n.addEventListener("change",i),o.appendChild(n);const a=document.createElement("span");return a.textContent=e.title,o.appendChild(a),s&&(a.oncontextmenu=s),r&&(a.onclick=r),o}createDisabledNodeElement(e){const t=document.createElement("li"),i=document.createElement("a");i.href="#",i.textContent="!",i.classList.add("warn"),i.classList.add("warning"),t.appendChild(i);const s=document.createElement("span");return s.textContent=e,t.appendChild(s),t}addChildren(e,t){const i=document.createElement("ul");t.forEach((e=>{i.appendChild(e)})),e.parentElement.appendChild(i)}expand(e,t,i){e.classList.remove("plus"),e.classList.add("minus"),e.textContent="-",e.removeEventListener("click",t),e.addEventListener("click",i)}collapse(e,t,i){if(!e)return;const s=e.parentElement;if(!s)return;const r=s.querySelector("ul");r&&(s.removeChild(r),e.classList.remove("minus"),e.classList.add("plus"),e.textContent="+",e.removeEventListener("click",i),e.addEventListener("click",t))}isExpanded(e){return void 0!==e.parentElement.getElementsByTagName("li")[0]}getId(e){return e.parentElement.id}getIdFromCheckbox(e){return e.id.replace("checkbox-","")}getSwitchElement(e){return document.getElementById(`switch-${e}`)}isChecked(e){return e.checked}setCheckbox(e,t,i=!1){const s=document.getElementById(`checkbox-${e}`);s&&(t!==s.checked&&(s.checked=t),i!==s.indeterminate&&(s.indeterminate=i,i&&(s.checked=!1)))}setXRayed(e,t){const i=document.getElementById(e);i&&(t?i.classList.add("xrayed-node"):i.classList.remove("xrayed-node"))}setHighlighted(e,t){const i=document.getElementById(e);i&&(t?(i.scrollIntoView({block:"center"}),i.classList.add("highlighted-node")):i.classList.remove("highlighted-node"))}}const OC=[];class kC extends z{constructor(e,t={}){super("TreeViewPlugin",e),this.errors=[],this.valid=!0;const i=t.containerElement||document.getElementById(t.containerElementId);if(i instanceof HTMLElement){for(let e=0;;e++)if(!OC[e]){OC[e]=this,this._index=e,this._id=`tree-${e}`;break}if(this._containerElement=i,this._metaModels={},this._autoAddModels=!1!==t.autoAddModels,this._autoExpandDepth=t.autoExpandDepth||0,this._sortNodes=!1!==t.sortNodes,this._viewer=e,this._rootElement=null,this._muteSceneEvents=!1,this._muteTreeEvents=!1,this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._rootNames={},this._sortNodes=t.sortNodes,this._pruneEmptyNodes=t.pruneEmptyNodes,this._showListItemElementId=null,this._renderService=t.renderService||new UC,this._showIndeterminate=t.showIndeterminate??!1,!this._renderService)throw new Error("TreeViewPlugin: no render service set");if(this._containerElement.oncontextmenu=e=>{e.preventDefault()},this._onObjectVisibility=this._viewer.scene.on("objectVisibility",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;const s=e.visible;if(!(s!==i.checked))return;this._muteTreeEvents=!0,i.checked=s,s?i.numVisibleEntities++:i.numVisibleEntities--,this._renderService.setCheckbox(i.nodeId,s);let r=i.parent;for(;r;){r.checked=s,s?r.numVisibleEntities++:r.numVisibleEntities--;const e=this._showIndeterminate&&r.numVisibleEntities>0&&r.numVisibleEntities<r.numEntities;this._renderService.setCheckbox(r.nodeId,r.numVisibleEntities>0,e),r=r.parent}this._muteTreeEvents=!1})),this._onObjectXrayed=this._viewer.scene.on("objectXRayed",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;this._muteTreeEvents=!0;const s=e.xrayed;s!==i.xrayed&&(i.xrayed=s,this._renderService.setXRayed(i.nodeId,s),this._muteTreeEvents=!1)})),this._switchExpandHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._expandSwitchElement(t)},this._switchCollapseHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._collapseSwitchElement(t)},this._checkboxChangeHandler=e=>{if(this._muteTreeEvents)return;this._muteSceneEvents=!0;const t=e.target,i=this._renderService.isChecked(t),s=this._renderService.getIdFromCheckbox(t),r=this._nodeNodes[s],o=this._viewer.scene.objects;let n=0;this._withNodeTree(r,(e=>{const t=e.objectId,s=o[t],r=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,r&&i!==e.checked&&n++,e.checked=i,this._renderService.setCheckbox(e.nodeId,i),s&&(s.visible=i)}));let a=r.parent;for(;a;){a.checked=i,i?a.numVisibleEntities+=n:a.numVisibleEntities-=n;const e=this._showIndeterminate&&a.numVisibleEntities>0&&a.numVisibleEntities<a.numEntities;this._renderService.setCheckbox(a.nodeId,a.numVisibleEntities>0,e),a=a.parent}this._muteSceneEvents=!1},this._hierarchy=t.hierarchy||"containment",this._autoExpandDepth=t.autoExpandDepth||0,this._autoAddModels){const e=Object.keys(this.viewer.metaScene.metaModels);for(let t=0,i=e.length;t<i;t++){const i=e[t];this.viewer.metaScene.metaModels[i].finalized&&this.addModel(i)}this.viewer.scene.on("modelLoaded",(e=>{this.viewer.metaScene.metaModels[e]&&this.addModel(e)}))}this.hierarchy=t.hierarchy}else this.error("Mandatory config expected: valid containerElementId or containerElement")}set hierarchy(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}get hierarchy(){return this._hierarchy}addModel(e,t={}){if(!this._containerElement)return;const i=this.viewer.scene.models[e];if(!i)throw"Model not found: "+e;const s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,t&&t.rootName&&(this._rootNames[e]=t.rootName),i.on("destroyed",(()=>{this.removeModel(i.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}removeModel(e){if(!this._containerElement)return;this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes())}showNode(e){this.unShowNode();const t=this._objectNodes[e];if(!t)return;this.collapse();const i=t.nodeId,s=this._renderService.getSwitchElement(i);if(s)return this._expandSwitchElement(s),s.scrollIntoView(),!0;const r=[];r.unshift(t);let o=t.parent;for(;o;)r.unshift(o),o=o.parent;for(let e=0,t=r.length;e<t;e++){const t=this._renderService.getSwitchElement(r[e].nodeId);t&&this._expandSwitchElement(t)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}unShowNode(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}expandToDepth(e){this.collapse();const t=(i,s)=>{if(s===e)return;const r=this._renderService.getSwitchElement(i.nodeId);if(r){this._expandSwitchElement(r);const e=i.children;for(var o=0,n=e.length;o<n;o++){const i=e[o];t(i,s+1)}}};for(let e=0,i=this._rootNodes.length;e<i;e++){const i=this._rootNodes[e];t(i,0)}}collapse(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e].nodeId;this._collapseNode(t)}}withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this.withNodeTree(i[e],t)}destroy(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete OC[this._index],super.destroy())}_createNodes(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}_validate(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}_validateMetaModelForStoreysHierarchy(e=0,t,i){return!0}_createEnabledNodes(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}_createDisabledNodes(){const e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);const t=this._viewer.metaScene.rootMetaObjects;for(let i in t){const s=t[i],r=s.type,o=s.name,n=o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,a=this._renderService.createDisabledNodeElement(n);e.appendChild(a)}}_findEmptyNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._findEmptyNodes2(e[t])}_findEmptyNodes2(e,t=0){const i=this.viewer.scene,s=e.children,r=e.id,o=i.objects[r];if(e._countEntities=0,o&&e._countEntities++,s)for(let t=0,i=s.length;t<i;t++){const i=s[t];i._countEntities=this._findEmptyNodes2(i),e._countEntities+=i._countEntities}return e._countEntities}_createStoreysNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createStoreysNodes2(e[t],null,null,null)}_createStoreysNodes2(e,t,i,s){if(this._pruneEmptyNodes&&0===e._countEntities)return;const r=e.type,o=e.name,n=e.children,a=e.id;if("IfcBuilding"===r)t={nodeId:`${this._id}-${a}`,objectId:a,title:0===e.metaModels.length?o:this._rootNames[e.metaModels[0].id]||(o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r),type:r,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuildingStorey"===r){if(!t)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");i={nodeId:`${this._id}-${a}`,objectId:a,title:o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,type:r,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i,s={}}else if(i){if(this._viewer.scene.objects[a]){let e=(s=s||{})[r];e||(e={nodeId:`${this._id}-${i.objectId}-${r}`,objectId:`${i.objectId}-${r}`,title:r,type:r,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,s[r]=e);const t={nodeId:`${this._id}-${a}`,objectId:a,title:o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,type:r,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t}}if(n)for(let e=0,r=n.length;e<r;e++){const r=n[e];this._createStoreysNodes2(r,t,i,s)}}_createTypesNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createTypesNodes2(e[t],null,null)}_createTypesNodes2(e,t,i){if(this._pruneEmptyNodes&&0===e._countEntities)return;const s=e.type,r=e.name,o=e.children,n=e.id;if(e.parent){if(t){if(this._viewer.scene.objects[n]){let e=i[s];e||(e={nodeId:`${this._id}-${t.objectId}-${s}`,objectId:`${t.objectId}-${s}`,title:s,type:s,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,i[s]=e);const o={nodeId:`${this._id}-${n}`,objectId:n,title:r&&""!==r&&"Default"!==r?r:s,type:s,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o}}}else t={nodeId:`${this._id}-${n}`,objectId:n,title:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||(r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:s),type:s,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(o)for(let e=0,s=o.length;e<s;e++){const s=o[e];this._createTypesNodes2(s,t,i)}}_createContainmentNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createContainmentNodes2(e[t],null)}_createContainmentNodes2(e,t){if(this._pruneEmptyNodes&&0===e._countEntities)return;const i=e.type,s=e.name||i,r=e.children,o=e.id,n={nodeId:`${this._id}-${o}`,objectId:o,title:t?s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:i:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||s,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(n):this._rootNodes.push(n),this._objectNodes[n.objectId]=n,this._nodeNodes[n.nodeId]=n,r)for(let e=0,t=r.length;e<t;e++){const t=r[e];this._createContainmentNodes2(t,n)}}_doSortNodes(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e];this._sortChildren(t)}}_sortChildren(e){const t=e.children;if(!t||0===t.length)return;const i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?t.sort(this._alphaSortFunc):t.sort(this._getSpatialSortFunc());for(let e=0,i=t.length;e<i;e++){const i=t[e];this._sortChildren(i)}}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{e.xUp||e.yUp;const s=this.viewer.metaScene,r=s.metaObjects[t.objectId],o=s.metaObjects[i.objectId];if(r&&r.attributes&&void 0!==r.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){const e=Number.parseFloat(r.attributes.elevation),t=Number.parseFloat(o.attributes.elevation);return e>t?-1:e<t?1:0}return 0})}_alphaSortFunc(e,t){const i=e.title.toUpperCase(),s=t.title.toUpperCase();return i<s?-1:i>s?1:0}_synchNodesToEntities(){const e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects;for(let s=0,r=e.length;s<r;s++){const r=e[s];if(t[r]){const e=this._objectNodes[r];if(e){const t=i[r];if(t){const i=t.visible;e.numEntities=1,e.xrayed=t.xrayed,i?(e.numVisibleEntities=1,e.checked=!0):(e.numVisibleEntities=0,e.checked=!1);let s=e.parent;for(;s;)s.numEntities++,i&&(s.numVisibleEntities++,s.checked=!0),s=s.parent}}}}}_withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this._withNodeTree(i[e],t)}_createTrees(){if(0===this._rootNodes.length)return;const e=this._rootNodes.map((e=>this._createNodeElement(e))),t=this._renderService.createRootNode();e.forEach((e=>{t.appendChild(e)})),this._containerElement.appendChild(t),this._rootElement=t}_createNodeElement(e){return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(t=>{this.fire("contextmenu",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}),(t=>{this.fire("nodeTitleClicked",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}))}_expandSwitchElement(e){if(this._renderService.isExpanded(e))return;const t=this._renderService.getId(e),i=this._nodeNodes[t].children.map((e=>this._createNodeElement(e)));this._renderService.addChildren(e,i),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}_collapseNode(e){const t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}_collapseSwitchElement(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}}class NC{constructor(e){this._scene=e,this._objects=[],this._objectsViewCulled=[],this._objectsDetailCulled=[],this._objectsChanged=[],this._objectsChangedList=[],this._modelInfos={},this._numObjects=0,this._lenObjectsChangedList=0,this._dirty=!0,this._onModelLoaded=e.on("modelLoaded",(t=>{const i=e.models[t];i&&this._addModel(i)})),this._onTick=e.on("tick",(()=>{this._dirty&&this._build(),this._applyChanges()}))}_addModel(e){const t={model:e,onDestroyed:e.on("destroyed",(()=>{this._removeModel(e)}))};this._modelInfos[e.id]=t,this._dirty=!0}_removeModel(e){const t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._dirty=!0)}_build(){if(!this._dirty)return;this._applyChanges();const e=this._scene.objects;for(let e=0;e<this._numObjects;e++)this._objects[e]=null;this._numObjects=0;for(let t in e){const i=e[t];this._objects[this._numObjects++]=i}this._lenObjectsChangedList=0,this._dirty=!1}_applyChanges(){if(this._lenObjectsChangedList>0){for(let e=0;e<this._lenObjectsChangedList;e++){const t=this._objectsChangedList[e],i=this._objects[t],s=this._objectsViewCulled[t],r=this._objectsDetailCulled[t],o=s||r;i.culled=o,this._objectsChanged[t]=!1}this._lenObjectsChangedList=0}}get objects(){return this._dirty&&this._build(),this._objects}get numObjects(){return this._dirty&&this._build(),this._numObjects}setObjectViewCulled(e,t){this._dirty&&this._build(),this._objectsViewCulled[e]!==t&&(this._objectsViewCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}setObjectDetailCulled(e,t){this._dirty&&this._build(),this._objectsDetailCulled[e]!==t&&(this._objectsDetailCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}_destroy(){this._clear(),this._scene.off(this._onModelLoaded),this._scene.off(this._onTick)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._dirty=!0}}const QC={};const VC=new Float32Array(3);class HC extends z{constructor(e,t={}){super("ViewCull",e),this._objectCullStates=function(e){const t=e.id;let i=QC[t];return i||(i=new NC(e),QC[t]=i,e.on("destroyed",(()=>{delete 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a=o.slice();if(a[n+3]=(o[n]+o[n+3])/2,e.left={aabb:a,intersection:N.INTERSECT},d.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1)}if(!e.right){const a=o.slice();if(a[n]=(o[n]+o[n+3])/2,e.right={aabb:a,intersection:N.INTERSECT},d.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1)}e.objects=e.objects||[],e.objects.push(i),d.expandAABB3(e.aabb,r)}_visitKDNode(e,t=N.INTERSECT){if(t!==N.INTERSECT&&e.intersects===t)return;t===N.INTERSECT&&(t=V(this._frustum,e.aabb),e.intersects=t);const i=t===N.OUTSIDE,s=e.objects;if(s&&s.length>0)for(let e=0,t=s.length;e<t;e++){const t=s[e];this._objectCullStates.setObjectViewCulled(t,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}send(e,t){}destroy(){super.destroy(),this._clear();const e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}}class jC{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getManifest(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getXKT(e,t,i){var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",this._cacheBusterURL(e),!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : 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i,s,r=e.max_chain_length,o=e.strstart,n=e.prev_length,a=e.nice_match;const l=e.strstart>e.w_size-Ae?e.strstart-(e.w_size-Ae):0,A=e.window,h=e.w_mask,c=e.prev,u=e.strstart+le;let d=A[o+n-1],p=A[o+n];e.prev_length>=e.good_match&&(r>>=2),a>e.lookahead&&(a=e.lookahead);do{if(i=t,A[i+n]===p&&A[i+n-1]===d&&A[i]===A[o]&&A[++i]===A[o+1]){o+=2,i++;do{}while(A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&o<u);if(s=le-(u-o),o=u-le,s>n){if(e.match_start=t,n=s,s>=a)break;d=A[o+n-1],p=A[o+n]}}}while((t=c[t&h])>l&&0!=--r);return n<=e.lookahead?n:e.lookahead},we=e=>{const t=e.w_size;let i,s,r;do{if(s=e.window_size-e.lookahead-e.strstart,e.strstart>=t+(t-Ae)&&(e.window.set(e.window.subarray(t,t+t-s),0),e.match_start-=t,e.strstart-=t,e.block_start-=t,e.insert>e.strstart&&(e.insert=e.strstart),ge(e),s+=t),0===e.strm.avail_in)break;if(i=xe(e.strm,e.window,e.strstart+e.lookahead,s),e.lookahead+=i,e.lookahead+e.insert>=3)for(r=e.strstart-e.insert,e.ins_h=e.window[r],e.ins_h=me(e,e.ins_h,e.window[r+1]);e.insert&&(e.ins_h=me(e,e.ins_h,e.window[r+3-1]),e.prev[r&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=r,r++,e.insert--,!(e.lookahead+e.insert<3)););}while(e.lookahead<Ae&&0!==e.strm.avail_in)},Pe=(e,t)=>{let i,s,r,o=e.pending_buf_size-5>e.w_size?e.w_size:e.pending_buf_size-5,n=0,a=e.strm.avail_in;do{if(i=65535,r=e.bi_valid+42>>3,e.strm.avail_out<r)break;if(r=e.strm.avail_out-r,s=e.strstart-e.block_start,i>s+e.strm.avail_in&&(i=s+e.strm.avail_in),i>r&&(i=r),i<o&&(0===i&&t!==K||t===G||i!==s+e.strm.avail_in))break;n=t===K&&i===s+e.strm.avail_in?1:0,Q(e,0,0,n),e.pending_buf[e.pending-4]=i,e.pending_buf[e.pending-3]=i>>8,e.pending_buf[e.pending-2]=~i,e.pending_buf[e.pending-1]=~i>>8,_e(e.strm),s&&(s>i&&(s=i),e.strm.output.set(e.window.subarray(e.block_start,e.block_start+s),e.strm.next_out),e.strm.next_out+=s,e.strm.avail_out-=s,e.strm.total_out+=s,e.block_start+=s,i-=s),i&&(xe(e.strm,e.strm.output,e.strm.next_out,i),e.strm.next_out+=i,e.strm.avail_out-=i,e.strm.total_out+=i)}while(0===n);return a-=e.strm.avail_in,a&&(a>=e.w_size?(e.matches=2,e.window.set(e.strm.input.subarray(e.strm.next_in-e.w_size,e.strm.next_in),0),e.strstart=e.w_size,e.insert=e.strstart):(e.window_size-e.strstart<=a&&(e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,e.insert>e.strstart&&(e.insert=e.strstart)),e.window.set(e.strm.input.subarray(e.strm.next_in-a,e.strm.next_in),e.strstart),e.strstart+=a,e.insert+=a>e.w_size-e.insert?e.w_size-e.insert:a),e.block_start=e.strstart),e.high_water<e.strstart&&(e.high_water=e.strstart),n?4:t!==G&&t!==K&&0===e.strm.avail_in&&e.strstart===e.block_start?2:(r=e.window_size-e.strstart,e.strm.avail_in>r&&e.block_start>=e.w_size&&(e.block_start-=e.w_size,e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,r+=e.w_size,e.insert>e.strstart&&(e.insert=e.strstart)),r>e.strm.avail_in&&(r=e.strm.avail_in),r&&(xe(e.strm,e.window,e.strstart,r),e.strstart+=r,e.insert+=r>e.w_size-e.insert?e.w_size-e.insert:r),e.high_water<e.strstart&&(e.high_water=e.strstart),r=e.bi_valid+42>>3,r=e.pending_buf_size-r>65535?65535:e.pending_buf_size-r,o=r>e.w_size?e.w_size:r,s=e.strstart-e.block_start,(s>=o||(s||t===K)&&t!==G&&0===e.strm.avail_in&&s<=r)&&(i=s>r?r:s,n=t===K&&0===e.strm.avail_in&&i===s?1:0,Q(e,e.block_start,i,n),e.block_start+=i,_e(e.strm)),n?3:1)},Ce=(e,t)=>{let i,s;for(;;){if(e.lookahead<Ae){if(we(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==i&&e.strstart-i<=e.w_size-Ae&&(e.match_length=Be(e,i)),e.match_length>=3)if(s=H(e,e.strstart-e.match_start,e.match_length-3),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=3){e.match_length--;do{e.strstart++,e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart}while(0!=--e.match_length);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=me(e,e.ins_h,e.window[e.strstart+1]);else s=H(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(s&&(ve(e,!1),0===e.strm.avail_out))return 1}return e.insert=e.strstart<2?e.strstart:2,t===K?(ve(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(ve(e,!1),0===e.strm.avail_out)?1:2},Me=(e,t)=>{let i,s,r;for(;;){if(e.lookahead<Ae){if(we(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),e.prev_length=e.match_length,e.prev_match=e.match_start,e.match_length=2,0!==i&&e.prev_length<e.max_lazy_match&&e.strstart-i<=e.w_size-Ae&&(e.match_length=Be(e,i),e.match_length<=5&&(e.strategy===te||3===e.match_length&&e.strstart-e.match_start>4096)&&(e.match_length=2)),e.prev_length>=3&&e.match_length<=e.prev_length){r=e.strstart+e.lookahead-3,s=H(e,e.strstart-1-e.prev_match,e.prev_length-3),e.lookahead-=e.prev_length-1,e.prev_length-=2;do{++e.strstart<=r&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart)}while(0!=--e.prev_length);if(e.match_available=0,e.match_length=2,e.strstart++,s&&(ve(e,!1),0===e.strm.avail_out))return 1}else if(e.match_available){if(s=H(e,0,e.window[e.strstart-1]),s&&ve(e,!1),e.strstart++,e.lookahead--,0===e.strm.avail_out)return 1}else e.match_available=1,e.strstart++,e.lookahead--}return e.match_available&&(s=H(e,0,e.window[e.strstart-1]),e.match_available=0),e.insert=e.strstart<2?e.strstart:2,t===K?(ve(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(ve(e,!1),0===e.strm.avail_out)?1:2};function Ee(e,t,i,s,r){this.good_length=e,this.max_lazy=t,this.nice_length=i,this.max_chain=s,this.func=r}const Fe=[new Ee(0,0,0,0,Pe),new Ee(4,4,8,4,Ce),new Ee(4,5,16,8,Ce),new Ee(4,6,32,32,Ce),new Ee(4,4,16,16,Me),new Ee(8,16,32,32,Me),new Ee(8,16,128,128,Me),new Ee(8,32,128,256,Me),new Ee(32,128,258,1024,Me),new Ee(32,258,258,4096,Me)];function Ie(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=ae,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),fe(this.dyn_ltree),fe(this.dyn_dtree),fe(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),fe(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new 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t===Y&&((i=e.state).window_size=2*i.w_size,fe(i.head),i.max_lazy_match=Fe[i.level].max_lazy,i.good_match=Fe[i.level].good_length,i.nice_match=Fe[i.level].nice_length,i.max_chain_length=Fe[i.level].max_chain,i.strstart=0,i.block_start=0,i.lookahead=0,i.insert=0,i.match_length=i.prev_length=2,i.match_available=0,i.ins_h=0),t},Re=(e,t,i,s,r,o)=>{if(!e)return Z;let n=1;if(t===ee&&(t=6),s<0?(n=0,s=-s):s>15&&(n=2,s-=16),r<1||r>9||i!==ae||s<8||s>15||t<0||t>9||o<0||o>re||8===s&&1!==n)return de(e,Z);8===s&&(s=9);const a=new Ie;return e.state=a,a.strm=e,a.status=he,a.wrap=n,a.gzhead=null,a.w_bits=s,a.w_size=1<<a.w_bits,a.w_mask=a.w_size-1,a.hash_bits=r+7,a.hash_size=1<<a.hash_bits,a.hash_mask=a.hash_size-1,a.hash_shift=~~((a.hash_bits+3-1)/3),a.window=new Uint8Array(2*a.w_size),a.head=new Uint16Array(a.hash_size),a.prev=new Uint16Array(a.w_size),a.lit_bufsize=1<<r+6,a.pending_buf_size=4*a.lit_bufsize,a.pending_buf=new Uint8Array(a.pending_buf_size),a.sym_buf=a.lit_bufsize,a.sym_end=3*(a.lit_bufsize-1),a.level=t,a.strategy=o,a.method=i,Te(e)};var Le=Re,Ue=(e,t)=>De(e)||2!==e.state.wrap?Z:(e.state.gzhead=t,Y),Oe=(e,t)=>{if(De(e)||t>X||t<0)return e?de(e,Z):Z;const i=e.state;if(!e.output||0!==e.avail_in&&!e.input||i.status===ue&&t!==K)return de(e,0===e.avail_out?$:Z);const s=i.last_flush;if(i.last_flush=t,0!==i.pending){if(_e(e),0===e.avail_out)return i.last_flush=-1,Y}else if(0===e.avail_in&&pe(t)<=pe(s)&&t!==K)return de(e,$);if(i.status===ue&&0!==e.avail_in)return de(e,$);if(i.status===he&&0===i.wrap&&(i.status=ce),i.status===he){let t=ae+(i.w_bits-8<<4)<<8,s=-1;if(s=i.strategy>=ie||i.level<2?0:i.level<6?1:6===i.level?2:3,t|=s<<6,0!==i.strstart&&(t|=32),t+=31-t%31,ye(i,t),0!==i.strstart&&(ye(i,e.adler>>>16),ye(i,65535&e.adler)),e.adler=1,i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,Y}if(57===i.status)if(e.adler=0,be(i,31),be(i,139),be(i,8),i.gzhead)be(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),be(i,255&i.gzhead.time),be(i,i.gzhead.time>>8&255),be(i,i.gzhead.time>>16&255),be(i,i.gzhead.time>>24&255),be(i,9===i.level?2:i.strategy>=ie||i.level<2?4:0),be(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(be(i,255&i.gzhead.extra.length),be(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(e.adler=U(e.adler,i.pending_buf,i.pending,0)),i.gzindex=0,i.status=69;else if(be(i,0),be(i,0),be(i,0),be(i,0),be(i,0),be(i,9===i.level?2:i.strategy>=ie||i.level<2?4:0),be(i,3),i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,Y;if(69===i.status){if(i.gzhead.extra){let t=i.pending,s=(65535&i.gzhead.extra.length)-i.gzindex;for(;i.pending+s>i.pending_buf_size;){let r=i.pending_buf_size-i.pending;if(i.pending_buf.set(i.gzhead.extra.subarray(i.gzindex,i.gzindex+r),i.pending),i.pending=i.pending_buf_size,i.gzhead.hcrc&&i.pending>t&&(e.adler=U(e.adler,i.pending_buf,i.pending-t,t)),i.gzindex+=r,_e(e),0!==i.pending)return i.last_flush=-1,Y;t=0,s-=r}let r=new Uint8Array(i.gzhead.extra);i.pending_buf.set(r.subarray(i.gzindex,i.gzindex+s),i.pending),i.pending+=s,i.gzhead.hcrc&&i.pending>t&&(e.adler=U(e.adler,i.pending_buf,i.pending-t,t)),i.gzindex=0}i.status=73}if(73===i.status){if(i.gzhead.name){let t,s=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s)),_e(e),0!==i.pending)return i.last_flush=-1,Y;s=0}t=i.gzindex<i.gzhead.name.length?255&i.gzhead.name.charCodeAt(i.gzindex++):0,be(i,t)}while(0!==t);i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s)),i.gzindex=0}i.status=91}if(91===i.status){if(i.gzhead.comment){let 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Q=qt.createPositionsDecodeMatrix(U),V={};for(let r=a;r<=D;r++){const a=C[r],E=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,F=r===S-1,D=M[r],T=F?B.length-1:M[r+1]-1,k=[],N=e.metaScene.metaObjects[E],H={},j={};if(N){if(t.excludeTypesMap&&N.type&&t.excludeTypesMap[N.type])continue;if(t.includeTypesMap&&N.type&&!t.includeTypesMap[N.type])continue;const e=t.objectDefaults?t.objectDefaults[N.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(H.visible=!1),!1===e.pickable&&(H.pickable=!1),e.colorize&&(j.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(j.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(j.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(j.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=D;e<=T;e++){const r=B[e],a=R[r]>1,C=r===I-1,M=xM(P.subarray(6*e,6*e+3)),E=P[6*e+3]/255,F=P[6*e+4]/255,D=P[6*e+5]/255,S=o.getNextId();if(a){const o=w[e],a=p.slice(o,o+16),B=`${n}-geometry.${i}.${r}`;let 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1:F.primitiveName="surface",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryNormals=u.subarray(w[r],l?u.length:w[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 2:F.primitiveName="points",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryColors=p.subarray(P[r],l?p.length:P[r+1]),e=F.geometryPositions.length>0;break;case 3:F.primitiveName="lines",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 4:F.primitiveName="lines",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryIndices=EM(F.geometryPositions,g.subarray(M[r],l?g.length:M[r+1])),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;default:continue}if(e||(F=null),F&&(F.geometryPositions.length,F.batchThisMesh)){F.decompressedPositions=new Float32Array(F.geometryPositions.length),F.transformedAndRecompressedPositions=new Uint16Array(F.geometryPositions.length);const e=F.geometryPositions,t=F.decompressedPositions;for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]*b[0]+b[12],t[i+1]=e[i+1]*b[5]+b[13],t[i+2]=e[i+2]*b[10]+b[14];F.geometryPositions=null,W[A]=F}}if(F)if(F.batchThisMesh){const e=F.decompressedPositions,t=F.transformedAndRecompressedPositions;for(let i=0,s=e.length;i<s;i+=3)PM[0]=e[i+0],PM[1]=e[i+1],PM[2]=e[i+2],PM[3]=1,d.transformVec4(a,PM,CM),qt.compressPosition(CM,z,PM),t[i+0]=PM[0],t[i+1]=PM[1],t[i+2]=PM[2];s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:F.primitiveName,positionsCompressed:t,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q)}else O[A]||(s.createGeometry({id:A,primitive:F.primitiveName,positionsCompressed:F.geometryPositions,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:b}),O[A]=!0),s.createMesh(y.apply(H,{id:Q,geometryId:A,textureSetId:h,matrix:a,color:T,metallic:L,roughness:k,opacity:R,origin:G})),U.push(Q)}else{let e,t,i,o,n,a,A,d=!1;switch(x[r]){case 0:e="solid",t=c.subarray(B[r],l?c.length:B[r+1]),i=u.subarray(w[r],l?u.length:w[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 1:e="surface",t=c.subarray(B[r],l?c.length:B[r+1]),i=u.subarray(w[r],l?u.length:w[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 2:e="points",t=c.subarray(B[r],l?c.length:B[r+1]),n=p.subarray(P[r],l?p.length:P[r+1]),d=t.length>0;break;case 3:e="lines",t=c.subarray(B[r],l?c.length:B[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),d=t.length>0&&a.length>0;break;case 4:e="lines",t=c.subarray(B[r],l?c.length:B[r+1]),a=EM(t,g.subarray(M[r],l?g.length:M[r+1])),d=t.length>0&&a.length>0;break;default:continue}d&&(s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:e,positionsCompressed:t,normalsCompressed:i,uv:o&&o.length>0?o:null,colorsCompressed:n,indices:a,edgeIndices:A,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q))}}U.length>0&&s.createEntity(y.apply(Q,{id:l,isObject:!0,meshIds:U}))}}}(e,t,a,s,r,o)}},IM=d.vec4(),DM=d.vec4();const SM=function(){const e=new Float32Array(3);return function(t){return e[0]=t[0]/255,e[1]=t[1]/255,e[2]=t[2]/255,e}}();function TM(e,t){const i=[];if(t.length>1)for(let e=0,s=t.length-1;e<s;e++)i.push(t[e]),i.push(t[e+1]);else if(e.length>1)for(let t=0,s=e.length/3-1;t<s;t++)i.push(t),i.push(t+1);return i}!function(){const e=document.createElement("canvas"),t=e.getContext("2d")}();const RM={version:11,parseArrayBuffer:function(e,t,i,s,r,o){const n=function(e){const t=function(){const e=new ArrayBuffer(2);return new Uint16Array(e)[0]=1,1!==new Uint8Array(e)[0]}(),i=function(){let i=0;const s=new DataView(e);return function(r){const o=1+2*i++,n=s.getUint32(4*o,!0),a=s.getUint32(4*(o+1),!0),l=r.BYTES_PER_ELEMENT;if(t&&l>1){const t=new Uint8Array(e,n,a),i=l/2,s=t.length/l;for(let e=0;e<s;e++){const s=e*l;for(let e=0;e<i;e++){const i=s+e,r=s-e+l-1,o=t[i];t[i]=t[r],t[r]=o}}}return new r(e,n,a/l)}}(),s=function(){const e=new TextDecoder;return()=>JSON.parse(e.decode(i(Uint8Array)))}();return{metadata:s(),textureData:i(Uint8Array),eachTextureDataPortion:i(Uint32Array),eachTextureAttributes:i(Uint16Array),positions:i(Uint16Array),normals:i(Int8Array),colors:i(Uint8Array),uvs:i(Float32Array),indices:i(Uint32Array),edgeIndices:i(Uint32Array),eachTextureSetTextures:i(Int32Array),matrices:i(Float32Array),reusedGeometriesDecodeMatrix:i(Float32Array),eachGeometryPrimitiveType:i(Uint8Array),eachGeometryPositionsPortion:i(Uint32Array),eachGeometryNormalsPortion:i(Uint32Array),eachGeometryColorsPortion:i(Uint32Array),eachGeometryUVsPortion:i(Uint32Array),eachGeometryIndicesPortion:i(Uint32Array),eachGeometryEdgeIndicesPortion:i(Uint32Array),eachMeshGeometriesPortion:i(Uint32Array),eachMeshMatricesPortion:i(Uint32Array),eachMeshTextureSet:i(Int32Array),eachMeshMaterialAttributes:i(Uint8Array),eachEntityId:s(),eachEntityMeshesPortion:i(Uint32Array),eachTileAABB:i(Float64Array),eachTileEntitiesPortion:i(Uint32Array)}}(i);!function(e,t,i,s,r,o){const n=o.getNextId(),a=i.metadata,l=i.textureData,A=i.eachTextureDataPortion,h=i.eachTextureAttributes,c=i.positions,u=i.normals,p=i.colors,f=i.uvs,g=i.indices,m=i.edgeIndices,_=i.eachTextureSetTextures,v=i.matrices,b=i.reusedGeometriesDecodeMatrix,x=i.eachGeometryPrimitiveType,B=i.eachGeometryPositionsPortion,w=i.eachGeometryNormalsPortion,P=i.eachGeometryColorsPortion,C=i.eachGeometryUVsPortion,M=i.eachGeometryIndicesPortion,E=i.eachGeometryEdgeIndicesPortion,F=i.eachMeshGeometriesPortion,I=i.eachMeshMatricesPortion,D=i.eachMeshTextureSet,S=i.eachMeshMaterialAttributes,T=i.eachEntityId,R=i.eachEntityMeshesPortion,L=i.eachTileAABB,U=i.eachTileEntitiesPortion,O=A.length,k=_.length/5,N=B.length,Q=F.length,V=R.length,H=U.length;r&&r.loadData(a,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds});for(let e=0;e<O;e++){const t=e===O-1,i=A[e],r=t?l.length:A[e+1],o=r-i>0,a=9*e,c=1===h[a+0],u=h[a+1];h[a+2],h[a+3];const d=h[a+4],p=h[a+5],f=h[a+6],g=h[a+7],m=h[a+8];if(o){const t=new Uint8Array(l.subarray(i,r)).buffer,o=`${n}-texture-${e}`;if(c)s.createTexture({id:o,buffers:[t],minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m});else{const e=new Blob([t],{type:10001===u?"image/jpeg":10002===u?"image/png":"image/gif"}),i=(window.URL||window.webkitURL).createObjectURL(e),r=document.createElement("img");r.src=i,s.createTexture({id:o,image:r,minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m})}}}for(let e=0;e<k;e++){const t=5*e,i=`${n}-textureSet-${e}`,r=_[t+0],o=_[t+1],a=_[t+2],l=_[t+3],A=_[t+4];s.createTextureSet({id:i,colorTextureId:r>=0?`${n}-texture-${r}`:null,normalsTextureId:a>=0?`${n}-texture-${a}`:null,metallicRoughnessTextureId:o>=0?`${n}-texture-${o}`:null,emissiveTextureId:l>=0?`${n}-texture-${l}`:null,occlusionTextureId:A>=0?`${n}-texture-${A}`:null})}const j=new Uint32Array(N);for(let e=0;e<Q;e++){const t=F[e];void 0!==j[t]?j[t]++:j[t]=1}const G=d.vec3(),z=d.AABB3(),W={};for(let i=0;i<H;i++){const r=i===H-1,a=U[i],l=r?V-1:U[i+1]-1,A=6*i,h=L.subarray(A,A+6);d.getAABB3Center(h,G),z[0]=h[0]-G[0],z[1]=h[1]-G[1],z[2]=h[2]-G[2],z[3]=h[3]-G[0],z[4]=h[4]-G[1],z[5]=h[5]-G[2];const _=qt.createPositionsDecodeMatrix(z),O={};for(let r=a;r<=l;r++){const a=T[r],l=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,A=r===V-1,h=R[r],L=A?F.length-1:R[r+1]-1,U=[],k=e.metaScene.metaObjects[l],Q={},H={};if(k){if(t.excludeTypesMap&&k.type&&t.excludeTypesMap[k.type])continue;if(t.includeTypesMap&&k.type&&!t.includeTypesMap[k.type])continue;const e=t.objectDefaults?t.objectDefaults[k.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(Q.visible=!1),!1===e.pickable&&(Q.pickable=!1),e.colorize&&(H.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(H.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(H.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(H.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=h;e<=L;e++){const r=F[e],a=j[r]>1,l=r===N-1,A=D[e],h=A>=0?`${n}-textureSet-${A}`:null,T=SM(S.subarray(6*e,6*e+3)),R=S[6*e+3]/255,L=S[6*e+4]/255,k=S[6*e+5]/255,Q=o.getNextId();if(a){const o=I[e],a=v.slice(o,o+16),A=`${n}-geometry.${i}.${r}`;let F=W[A];if(!F){F={batchThisMesh:!t.reuseGeometries};let e=!1;switch(x[r]){case 0:F.primitiveName="solid",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryNormals=u.subarray(w[r],l?u.length:w[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 1:F.primitiveName="surface",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryNormals=u.subarray(w[r],l?u.length:w[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 2:F.primitiveName="points",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryColors=p.subarray(P[r],l?p.length:P[r+1]),e=F.geometryPositions.length>0;break;case 3:F.primitiveName="lines",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 4:F.primitiveName="lines",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryIndices=TM(F.geometryPositions,g.subarray(M[r],l?g.length:M[r+1])),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;default:continue}if(e||(F=null),F&&(F.geometryPositions.length,F.batchThisMesh)){F.decompressedPositions=new Float32Array(F.geometryPositions.length),F.transformedAndRecompressedPositions=new Uint16Array(F.geometryPositions.length);const e=F.geometryPositions,t=F.decompressedPositions;for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]*b[0]+b[12],t[i+1]=e[i+1]*b[5]+b[13],t[i+2]=e[i+2]*b[10]+b[14];F.geometryPositions=null,W[A]=F}}if(F)if(F.batchThisMesh){const e=F.decompressedPositions,t=F.transformedAndRecompressedPositions;for(let i=0,s=e.length;i<s;i+=3)IM[0]=e[i+0],IM[1]=e[i+1],IM[2]=e[i+2],IM[3]=1,d.transformVec4(a,IM,DM),qt.compressPosition(DM,z,IM),t[i+0]=IM[0],t[i+1]=IM[1],t[i+2]=IM[2];s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:F.primitiveName,positionsCompressed:t,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q)}else O[A]||(s.createGeometry({id:A,primitive:F.primitiveName,positionsCompressed:F.geometryPositions,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:b}),O[A]=!0),s.createMesh(y.apply(H,{id:Q,geometryId:A,textureSetId:h,matrix:a,color:T,metallic:L,roughness:k,opacity:R,origin:G})),U.push(Q)}else{let e,t,i,o,n,a,A,d=!1;switch(x[r]){case 0:e="solid",t=c.subarray(B[r],l?c.length:B[r+1]),i=u.subarray(w[r],l?u.length:w[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 1:e="surface",t=c.subarray(B[r],l?c.length:B[r+1]),i=u.subarray(w[r],l?u.length:w[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 2:e="points",t=c.subarray(B[r],l?c.length:B[r+1]),n=p.subarray(P[r],l?p.length:P[r+1]),d=t.length>0;break;case 3:e="lines",t=c.subarray(B[r],l?c.length:B[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),d=t.length>0&&a.length>0;break;case 4:e="lines",t=c.subarray(B[r],l?c.length:B[r+1]),a=TM(t,g.subarray(M[r],l?g.length:M[r+1])),d=t.length>0&&a.length>0;break;default:continue}d&&(s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:e,positionsCompressed:t,normalsCompressed:i,uv:o&&o.length>0?o:null,colorsCompressed:n,indices:a,edgeIndices:A,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q))}}U.length>0&&s.createEntity(y.apply(Q,{id:l,isObject:!0,meshIds:U}))}}}(e,t,n,s,r,o)}},LM={};LM[KC.version]=KC,LM[JC.version]=JC,LM[$C.version]=$C,LM[iM.version]=iM,LM[oM.version]=oM,LM[lM.version]=lM,LM[uM.version]=uM,LM[_M.version]=_M,LM[BM.version]=BM,LM[FM.version]=FM,LM[RM.version]=RM;class UM extends z{constructor(e,t={}){super("XKTLoader",e,t),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this.textureTranscoder=t.textureTranscoder,this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,this.reuseGeometries=t.reuseGeometries}get supportedVersions(){return Object.keys(LM)}get textureTranscoder(){return this._textureTranscoder}set textureTranscoder(e){this._textureTranscoder=e}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new jC}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||jP}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}get reuseGeometries(){return this._reuseGeometries}set reuseGeometries(e){this._reuseGeometries=!1!==e}load(e={}){if(e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id),!(e.src||e.xkt||e.manifestSrc||e.manifest))throw new Error("XKTLoaderPlugin: load() param expected: src, xkt, manifestSrc or manifestData");const t={},i=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t.reuseGeometries=null!==e.reuseGeometries&&void 0!==e.reuseGeometries?e.reuseGeometries:!1!==this._reuseGeometries,i){t.includeTypesMap={};for(let e=0,s=i.length;e<s;e++)t.includeTypesMap[i[e]]=!0}if(s){t.excludeTypesMap={};for(let e=0,i=s.length;e<i;e++)t.excludeTypesMap[s[e]]=!0}r&&(t.objectDefaults=r),t.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,t.globalizeObjectIds=void 0!==e.globalizeObjectIds&&null!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds;const o=new zc(this.viewer.scene,y.apply(e,{isModel:!0,textureTranscoder:this._textureTranscoder,maxGeometryBatchSize:this._maxGeometryBatchSize,origin:e.origin,disableVertexWelding:e.disableVertexWelding||!1,disableIndexRebucketing:e.disableIndexRebucketing||!1,dtxEnabled:e.dtxEnabled,renderOrder:e.renderOrder})),n=o.id,a=new Qd({metaScene:this.viewer.metaScene,id:n});this.viewer.scene.canvas.spinner.processes++;const l=()=>{o.destroyed||(o.finalize(),a.finalize(),this.viewer.scene.canvas.spinner.processes--,o.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(a.id)})),this.scheduleTask((()=>{o.destroyed||(o.scene.fire("modelLoaded",o.id),o.fire("loaded",!0,!1))})))},A=e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e),o.fire("error",e)};let h=0;const c={getNextId:()=>`${n}.${h++}`};if(e.metaModelSrc||e.metaModelData)if(e.metaModelSrc){const r=e.metaModelSrc;this._dataSource.getMetaModel(r,(r=>{o.destroyed||(a.loadData(r,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()))}),(e=>{A(`load(): Failed to load model metadata for model '${n} from  '${r}' - ${e}`)}))}else e.metaModelData&&(a.loadData(e.metaModelData,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()));else if(e.src)this._loadModel(e.src,t,o,a,c,l,A);else if(e.xkt)this._parseModel(e.xkt,t,o,a,c),l();else if(e.manifestSrc||e.manifest){const r=e.manifestSrc?function(e){const t=e.split("/");return t.pop(),t.join("/")+"/"}(e.manifestSrc):"",n=(e,n,l)=>{let A=0;const h=()=>{o.destroyed||A>=e.length?n():this._dataSource.getMetaModel(`${r}${e[A]}`,(e=>{a.loadData(e,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),A++,this.scheduleTask(h,200)}),l)};h()},h=(e,i,s)=>{let n=0;const a=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,null,c),o.preFinalize(),n++,this.scheduleTask(a,200)}),s)};a()},u=(e,i,s)=>{let n=0;const l=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,a,c),o.preFinalize(),n++,this.scheduleTask(l,200)}),s)};l()};if(e.manifest){const t=e.manifest,i=t.xktFiles;if(!i||0===i.length)return void A("load(): Failed to load model manifest - manifest not valid");const 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XMLHttpRequest;s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}class $M extends z{constructor(e,t={}){if(super("ifcLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,!t.WebIFC)throw"Parameter expected: WebIFC";if(!t.IfcAPI)throw"Parameter expected: IfcAPI";this._webIFC=t.WebIFC,this._ifcAPI=t.IfcAPI}get supportedVersions(){return["2x3","4"]}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new qM}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||jP}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{isModel:!0}));if(!e.src&&!e.ifc)return this.error("load() param expected: src or IFC"),t;const i={autoNormals:!0};if(!1!==e.loadMetadata){const t=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t){i.includeTypesMap={};for(let e=0,s=t.length;e<s;e++)i.includeTypesMap[t[e]]=!0}if(s){i.excludeTypesMap={};for(let e=0,t=s.length;e<t;e++)i.excludeTypesMap[s[e]]=!0}r&&(i.objectDefaults=r),i.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,i.globalizeObjectIds=void 0!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds}try{e.src?this._loadModel(e.src,e,i,t):this._parseModel(e.ifc,e,i,t)}catch(e){this.error(e),t.fire("error",e)}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getIFC(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=t.stats||{};if(r.sourceFormat="IFC",r.schemaVersion="",r.title="",r.author="",r.created="",r.numMetaObjects=0,r.numPropertySets=0,r.numObjects=0,r.numGeometries=0,r.numTriangles=0,r.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";const o=new Uint8Array(e),n=this._ifcAPI.OpenModel(o),a=this._ifcAPI.GetModelSchema(n),l=this._ifcAPI.GetLineIDsWithType(n,this._webIFC.IFCPROJECT).get(0),A=!1!==t.loadMetadata,h={modelID:n,modelSchema:a,sceneModel:s,loadMetadata:A,metadata:A?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:r};if(A){if(i.includeTypes){h.includeTypes={};for(let e=0,t=i.includeTypes.length;e<t;e++)h.includeTypes[i.includeTypes[e]]=!0}if(i.excludeTypes){h.excludeTypes={};for(let e=0,t=i.excludeTypes.length;e<t;e++)h.excludeTypes[i.excludeTypes[e]]=!0}this._parseMetaObjects(h),this._parsePropertySets(h)}if(this._parseGeometry(h),s.finalize(),A){const e=s.id;this.viewer.metaScene.createMetaModel(e,h.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_parseMetaObjects(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}_parseSpatialChildren(e,t,i){const s=this._ifcAPI.GetNameFromTypeCode(t.type);if(e.includeTypes&&!e.includeTypes[s])return;if(e.excludeTypes&&e.excludeTypes[s])return;this._createMetaObject(e,t,i);const r=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,r),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,r)}_createMetaObject(e,t,i){const s=t.GlobalId.value,r=this._ifcAPI.GetNameFromTypeCode(t.type),o={id:s,name:t.Name&&""!==t.Name.value?t.Name.value:r,type:r,parent:i};e.metadata.metaObjects.push(o),e.metaObjects[s]=o,e.stats.numMetaObjects++}_parseRelatedItemsOfType(e,t,i,s,r,o){const n=this._ifcAPI.GetLineIDsWithType(e.modelID,r);for(let r=0;r<n.size();r++){const a=n.get(r),l=this._ifcAPI.GetLine(e.modelID,a),A=l[i];let h=!1;if(Array.isArray(A)){h=A.map((e=>e.value)).includes(t)}else h=A.value===t;if(h){const t=l[s];if(Array.isArray(t))t.forEach((t=>{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}));else{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}}}}_parsePropertySets(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES);for(let i=0;i<t.size();i++){let s=t.get(i),r=this._ifcAPI.GetLine(e.modelID,s,!0);if(r){const t=r.RelatingPropertyDefinition;if(!t)continue;const i=t.GlobalId.value,s=t.HasProperties;if(s&&s.length>0){const o="Default",n=t.Name.value,a=[];for(let e=0,t=s.length;e<t;e++){const t=s[e],i=t.Name,r=t.NominalValue;if(i&&r){const e={name:i.value,type:r.type,value:r.value,valueType:r.valueType};t.Description?e.description=t.Description.value:r.description&&(e.description=r.description),a.push(e)}}const l={id:i,type:o,name:n,properties:a};e.metadata.propertySets.push(l),e.stats.numPropertySets++;const A=r.RelatedObjects;if(!A||0===A.length)return;for(let t=0,s=A.length;t<s;t++){const s=A[t].GlobalId.value,r=e.metaObjects[s];r&&(r.propertySetIds||(r.propertySetIds=[]),r.propertySetIds.push(i))}}}}}_parseGeometry(e){this._ifcAPI.StreamAllMeshes(e.modelID,(t=>{const i=t.expressID,s=t.geometries,r=[],o=this._ifcAPI.GetLine(e.modelID,i).GlobalId.value;if(e.loadMetadata){const t=o,i=e.metaObjects[t];if(e.includeTypes&&(!i||!e.includeTypes[i.type]))return;if(e.excludeTypes&&(!i||e.excludeTypes[i.type]))return}const n=d.mat4(),a=d.vec3();for(let t=0,i=s.size();t<i;t++){const i=s.get(t),o=this._ifcAPI.GetGeometry(e.modelID,i.geometryExpressID),l=this._ifcAPI.GetVertexArray(o.GetVertexData(),o.GetVertexDataSize()),A=this._ifcAPI.GetIndexArray(o.GetIndexData(),o.GetIndexDataSize()),h=new Float64Array(l.length/2),c=new Float32Array(l.length/2);for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)h[t+0]=l[6*e+0],h[t+1]=l[6*e+1],h[t+2]=l[6*e+2];n.set(i.flatTransformation),d.transformPositions3(n,h);const u=q(h,h,a);if(!e.options.autoNormals)for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)c[t+0]=l[6*e+3],c[t+1]=l[6*e+4],c[t+2]=l[6*e+5];e.stats.numGeometries++,e.stats.numVertices+=h.length/3,e.stats.numTriangles+=A.length/3;const p="mesh"+e.nextId++;e.sceneModel.createMesh({id:p,primitive:"triangles",origin:u?a:null,positions:h,normals:e.options.autoNormals?null:c,indices:A,color:[i.color.x,i.color.y,i.color.z],opacity:i.color.w}),r.push(p)}const l=e.options.globalizeObjectIds?d.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:l,meshIds:r,isObject:!0}),e.stats.numObjects++}))}}class eE{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getLAS(e,t,i){e=this._cacheBusterURL(e);var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}const tE={name:"LAS",id:"las",module:"las",version:"3.2.6",worker:!0,extensions:["las","laz"],mimeTypes:["application/octet-stream"],text:!0,binary:!0,tests:["LAS"],options:{las:{shape:"mesh",fp64:!1,skip:1,colorDepth:8}}},iE=[{item:"FileSignature",format:"char",size:4},{item:"FileSoureceID",format:"uShort",size:2},{item:"GlobalEncoding",format:"uShort",size:2},{item:"ProjectID1",format:"notUsed",size:4},{item:"ProjectID2",format:"notUsed",size:2},{item:"ProjectID3",format:"notUsed",size:2},{item:"ProjectID4",format:"notUsed",size:8},{item:"VersionMajor",format:"uChar",size:1},{item:"VersionMinor",format:"uChar",size:1},{item:"SystemIdentifier",format:"char",size:32},{item:"GeneratingSoftware",format:"char",size:32},{item:"CreationDay",format:"uShort",size:2},{item:"CreationYear",format:"uShort",size:2},{item:"HeaderSize",format:"uShort",size:2},{item:"OffsetToPointData",format:"uLong",size:4},{item:"NumberOfVariableLengthRecords",format:"uLong",size:4},{item:"PointDataFormatID",format:"uChar",size:1},{item:"PointDataRecordLength",format:"uShort",size:2},{item:"NumberOfPoints",format:"uLong",size:4},{item:"NumberOfPointByReturn",format:"uLong",size:20},{item:"ScaleFactorX",format:"double",size:8},{item:"ScaleFactorY",format:"double",size:8},{item:"ScaleFactorZ",format:"double",size:8},{item:"OffsetX",format:"double",size:8},{item:"OffsetY",format:"double",size:8},{item:"OffsetZ",format:"double",size:8},{item:"MaxX",format:"double",size:8},{item:"MinX",format:"double",size:8},{item:"MaxY",format:"double",size:8},{item:"MinY",format:"double",size:8},{item:"MaxZ",format:"double",size:8},{item:"MinZ",format:"double",size:8}],sE=[{item:"Reserved",format:"uShort",size:2},{item:"UserId",format:"char",size:16},{item:"RecordId",format:"uShort",size:2},{item:"RecordLengthAfterHeader",format:"uShort",size:2},{item:"Description",format:"char",size:32}],rE=e=>{let t=0,i=0,s=0;const r=new DataView(e),o=new Uint8Array(6e3),n=({item:s,format:o,size:n})=>{let a,l;switch(o){case"char":return l=new Uint8Array(e,t,n),t+=n,a=nE(l),[s,a];case"uShort":return a=r.getUint16(t,!0),t+=n,[s,a];case"uLong":return a=r.getUint32(t,!0),"NumberOfVariableLengthRecords"===s&&(i=a),t+=n,[s,a];case"uChar":return a=r.getUint8(t),t+=n,[s,a];case"double":return a=r.getFloat64(t,!0),t+=n,[s,a];default:t+=n}};return(()=>{const e={};iE.forEach((t=>{const i=n({...t});if(void 0!==i){if("FileSignature"===i[0]&&"LASF"!==i[1])throw new Error("Ivalid FileSignature. Is this a LAS/LAZ file");e[i[0]]=i[1]}}));const r=[];let a=i;for(;a--;){const e={};sE.forEach((i=>{const r=n({...i});e[r[0]]=r[1],"UserId"===r[0]&&"LASF_Projection"===r[1]&&(s=t-18+54)})),r.push(e)}const l=(e=>{if(void 0===e)return;const t=s+e.RecordLengthAfterHeader,i=o.slice(s,t),r=oE(i),n=new DataView(r);let a=6,l=Number(n.getUint16(a,!0));const A=[];for(;l--;){const e={};e.key=n.getUint16(a+=2,!0),e.tiffTagLocation=n.getUint16(a+=2,!0),e.count=n.getUint16(a+=2,!0),e.valueOffset=n.getUint16(a+=2,!0),A.push(e)}const h=A.find((e=>3072===e.key));if(h&&h.hasOwnProperty("valueOffset"))return h.valueOffset})(r.find((e=>"LASF_Projection"===e.UserId)));return l&&(e.epsg=l),e})()},oE=e=>{let t=new ArrayBuffer(e.length),i=new Uint8Array(t);for(let t=0;t<e.length;++t)i[t]=e[t];return t},nE=e=>{let t="";return e.forEach((e=>{let i=String.fromCharCode(e);"\0"!==i&&(t+=i)})),t.trim()};class aE extends z{constructor(e,t={}){super("lasLoader",e,t),this.dataSource=t.dataSource,this.skip=t.skip,this.fp64=t.fp64,this.colorDepth=t.colorDepth,this.center=t.center,this.rotate=t.rotate,this.rotateX=t.rotateX,this.transform=t.transform}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new eE}get skip(){return this._skip}set skip(e){this._skip=e||1}get fp64(){return this._fp64}set fp64(e){this._fp64=!!e}get colorDepth(){return this._colorDepth}set colorDepth(e){this._colorDepth=e||"auto"}get center(){return this._center}set center(e){this._center=!!e}get transform(){return this._transform}set transform(e){this._transform=e}get rotate(){return this._rotate}set rotate(e){this._rotate=e}get rotateX(){return this._rotateX}set rotateX(e){this._rotateX=e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{maxGeometryBatchSize:5e5,isModel:!0}));if(!e.src&&!e.las)return this.error("load() param expected: src or las"),t;const i={las:{skip:this._skip,fp64:this._fp64,colorDepth:this._colorDepth}};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.las,e,i,t).then((()=>{s.processes--}),(e=>{s.processes--,this.error(e),t.fire("error",e)}))}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getLAS(t.src,(e=>{this._parseModel(e,t,i,s).then((()=>{r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){const r=e=>{const t=e.value;if(this._center){const e=d.vec3(),i=t.length;for(let i=0,s=t.length;i<s;i+=3)e[0]+=t[i+0],e[1]+=t[i+1],e[2]+=t[i+2];e[0]/=i,e[1]/=i,e[2]/=i;for(let i=0,s=t.length;i<s;i+=3)t[i+0]-=e[0],t[i+1]-=e[1],t[i+2]-=e[2]}if(this._rotateX&&t)for(let e=0,i=t.length;e<i;e+=3){const i=t[e+1];t[e+1]=t[e+2],t[e+2]=i}if(this._rotate){const e=d.identityQuaternion(),i=d.mat4();d.eulerToQuaternion(this._rotate,"XYZ",e),d.quaternionToRotationMat4(e,i);const s=d.vec3();for(let e=0,r=t.length;e<r;e+=3)s[0]=t[e+0],s[1]=t[e+1],s[2]=t[e+2],d.transformPoint3(i,s,s),t[e+0]=s[0],t[e+1]=s[1],t[e+2]=s[2]}if(this._transform){const e=d.mat4(this._transform),i=d.vec3();for(let s=0,r=t.length;s<r;s+=3)i[0]=t[s+0],i[1]=t[s+1],i[2]=t[s+2],d.transformPoint3(e,i,i),t[s+0]=i[0],t[s+1]=i[1],t[s+2]=i[2]}return t};function o(e,t){const i=e.value,s=e.size,r=t.value,o=4*r.length,n=new Uint8Array(o);for(let e=0,t=0,o=0,a=r.length;e<a;e++,o+=s,t+=4)n[t+0]=i[o+0],n[t+1]=i[o+1],n[t+2]=i[o+2],n[t+3]=Math.round(r[e]/65536*255);return n}function n(e){const t=e.value,i=4*t.length,s=new Uint8Array(i);for(let e=0,i=0,r=t.length;e<r;e++,i+=4)s[i+0]=0,s[i+1]=0,s[i+2]=0,s[i+3]=Math.round(t[e]/65536*255);return s}return new Promise(((a,l)=>{if(s.destroyed)return void l();const A=t.stats||{};A.sourceFormat="LAS",A.schemaVersion="",A.title="",A.author="",A.created="",A.numMetaObjects=0,A.numPropertySets=0,A.numObjects=0,A.numGeometries=0,A.numTriangles=0,A.numVertices=0;try{const A=rE(e);tB(e,tE,i).then((e=>{const h=e.attributes,c=e.loaderData,u=void 0!==c.pointsFormatId?c.pointsFormatId:-1;if(!h.POSITION)return s.finalize(),void l("No positions found in file");let p,f;switch(u){case 0:p=r(h.POSITION),f=n(h.intensity);break;case 1:if(!h.intensity)return s.finalize(),void l("No positions found in file");p=r(h.POSITION),f=n(h.intensity);break;case 2:case 3:if(!h.intensity)return s.finalize(),void l("No positions found in file");p=r(h.POSITION),f=o(h.COLOR_0,h.intensity)}const g=lE(p,15e5),m=lE(f,2e6),_=[];for(let e=0,t=g.length;e<t;e++){const t=`pointsMesh${e}`;_.push(t),s.createMesh({id:t,primitive:"points",positions:g[e],colorsCompressed:e<m.length?m[e]:null})}const v=t.entityId||d.createUUID();if(s.createEntity({id:v,meshIds:_,isObject:!0}),s.finalize(),t.metaModelJSON){const e=s.id;this.viewer.metaScene.createMetaModel(e,t.metaModelJSON,i)}else if(!1!==t.loadMetadata){const e=d.createUUID(),t={projectId:"",author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[{id:e,name:"Model",type:"Model"},{id:v,name:"PointCloud (LAS)",type:"PointCloud",parent:e,attributes:A||{}}],propertySets:[]},r=s.id;this.viewer.metaScene.createMetaModel(r,t,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))})),a()}))}catch(e){s.finalize(),l(e)}}))}}function lE(e,t){if(t>=e.length)return[e];let i=[];for(let s=0;s<e.length;s+=t)i.push(e.slice(s,s+t));return i}class AE{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getCityJSON(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}}function hE(e,t,i){i=i||2;var s,r,o,n,a,l,A,h=t&&t.length,c=h?t[0]*i:e.length,u=cE(e,0,c,i,!0),d=[];if(!u||u.next===u.prev)return d;if(h&&(u=function(e,t,i,s){var r,o,n,a=[];for(r=0,o=t.length;r<o;r++)(n=cE(e,t[r]*s,r<o-1?t[r+1]*s:e.length,s,!1))===n.next&&(n.steiner=!0),a.push(xE(n));for(a.sort(_E),r=0;r<a.length;r++)vE(a[r],i),i=uE(i,i.next);return i}(e,t,u,i)),e.length>80*i){s=o=e[0],r=n=e[1];for(var p=i;p<c;p+=i)(a=e[p])<s&&(s=a),(l=e[p+1])<r&&(r=l),a>o&&(o=a),l>n&&(n=l);A=0!==(A=Math.max(o-s,n-r))?1/A:0}return dE(u,d,i,s,r,A),d}function cE(e,t,i,s,r){var o,n;if(r===LE(e,t,i,s)>0)for(o=t;o<i;o+=s)n=SE(o,e[o],e[o+1],n);else for(o=i-s;o>=t;o-=s)n=SE(o,e[o],e[o+1],n);return n&&CE(n,n.next)&&(TE(n),n=n.next),n}function uE(e,t){if(!e)return e;t||(t=e);var i,s=e;do{if(i=!1,s.steiner||!CE(s,s.next)&&0!==PE(s.prev,s,s.next))s=s.next;else{if(TE(s),(s=t=s.prev)===s.next)break;i=!0}}while(i||s!==t);return t}function dE(e,t,i,s,r,o,n){if(e){!n&&o&&function(e,t,i,s){var r=e;do{null===r.z&&(r.z=yE(r.x,r.y,t,i,s)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==e);r.prevZ.nextZ=null,r.prevZ=null,function(e){var t,i,s,r,o,n,a,l,A=1;do{for(i=e,e=null,o=null,n=0;i;){for(n++,s=i,a=0,t=0;t<A&&(a++,s=s.nextZ);t++);for(l=A;a>0||l>0&&s;)0!==a&&(0===l||!s||i.z<=s.z)?(r=i,i=i.nextZ,a--):(r=s,s=s.nextZ,l--),o?o.nextZ=r:e=r,r.prevZ=o,o=r;i=s}o.nextZ=null,A*=2}while(n>1)}(r)}(e,s,r,o);for(var a,l,A=e;e.prev!==e.next;)if(a=e.prev,l=e.next,o?fE(e,s,r,o):pE(e))t.push(a.i/i),t.push(e.i/i),t.push(l.i/i),TE(e),e=l.next,A=l.next;else if((e=l)===A){n?1===n?dE(e=gE(uE(e),t,i),t,i,s,r,o,2):2===n&&mE(e,t,i,s,r,o):dE(uE(e),t,i,s,r,o,1);break}}}function pE(e){var t=e.prev,i=e,s=e.next;if(PE(t,i,s)>=0)return!1;for(var r=e.next.next;r!==e.prev;){if(BE(t.x,t.y,i.x,i.y,s.x,s.y,r.x,r.y)&&PE(r.prev,r,r.next)>=0)return!1;r=r.next}return!0}function fE(e,t,i,s){var r=e.prev,o=e,n=e.next;if(PE(r,o,n)>=0)return!1;for(var a=r.x<o.x?r.x<n.x?r.x:n.x:o.x<n.x?o.x:n.x,l=r.y<o.y?r.y<n.y?r.y:n.y:o.y<n.y?o.y:n.y,A=r.x>o.x?r.x>n.x?r.x:n.x:o.x>n.x?o.x:n.x,h=r.y>o.y?r.y>n.y?r.y:n.y:o.y>n.y?o.y:n.y,c=yE(a,l,t,i,s),u=yE(A,h,t,i,s),d=e.prevZ,p=e.nextZ;d&&d.z>=c&&p&&p.z<=u;){if(d!==e.prev&&d!==e.next&&BE(r.x,r.y,o.x,o.y,n.x,n.y,d.x,d.y)&&PE(d.prev,d,d.next)>=0)return!1;if(d=d.prevZ,p!==e.prev&&p!==e.next&&BE(r.x,r.y,o.x,o.y,n.x,n.y,p.x,p.y)&&PE(p.prev,p,p.next)>=0)return!1;p=p.nextZ}for(;d&&d.z>=c;){if(d!==e.prev&&d!==e.next&&BE(r.x,r.y,o.x,o.y,n.x,n.y,d.x,d.y)&&PE(d.prev,d,d.next)>=0)return!1;d=d.prevZ}for(;p&&p.z<=u;){if(p!==e.prev&&p!==e.next&&BE(r.x,r.y,o.x,o.y,n.x,n.y,p.x,p.y)&&PE(p.prev,p,p.next)>=0)return!1;p=p.nextZ}return!0}function gE(e,t,i){var s=e;do{var r=s.prev,o=s.next.next;!CE(r,o)&&ME(r,s,s.next,o)&&IE(r,o)&&IE(o,r)&&(t.push(r.i/i),t.push(s.i/i),t.push(o.i/i),TE(s),TE(s.next),s=e=o),s=s.next}while(s!==e);return uE(s)}function mE(e,t,i,s,r,o){var n=e;do{for(var a=n.next.next;a!==n.prev;){if(n.i!==a.i&&wE(n,a)){var l=DE(n,a);return n=uE(n,n.next),l=uE(l,l.next),dE(n,t,i,s,r,o),void dE(l,t,i,s,r,o)}a=a.next}n=n.next}while(n!==e)}function _E(e,t){return e.x-t.x}function vE(e,t){if(t=function(e,t){var i,s=t,r=e.x,o=e.y,n=-1/0;do{if(o<=s.y&&o>=s.next.y&&s.next.y!==s.y){var a=s.x+(o-s.y)*(s.next.x-s.x)/(s.next.y-s.y);if(a<=r&&a>n){if(n=a,a===r){if(o===s.y)return s;if(o===s.next.y)return s.next}i=s.x<s.next.x?s:s.next}}s=s.next}while(s!==t);if(!i)return null;if(r===n)return i;var l,A=i,h=i.x,c=i.y,u=1/0;s=i;do{r>=s.x&&s.x>=h&&r!==s.x&&BE(o<c?r:n,o,h,c,o<c?n:r,o,s.x,s.y)&&(l=Math.abs(o-s.y)/(r-s.x),IE(s,e)&&(l<u||l===u&&(s.x>i.x||s.x===i.x&&bE(i,s)))&&(i=s,u=l)),s=s.next}while(s!==A);return i}(e,t),t){var i=DE(t,e);uE(t,t.next),uE(i,i.next)}}function bE(e,t){return PE(e.prev,e,t.prev)<0&&PE(t.next,e,e.next)<0}function yE(e,t,i,s,r){return(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=32767*(e-i)*r)|e<<8))|e<<4))|e<<2))|e<<1))|(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=32767*(t-s)*r)|t<<8))|t<<4))|t<<2))|t<<1))<<1}function xE(e){var t=e,i=e;do{(t.x<i.x||t.x===i.x&&t.y<i.y)&&(i=t),t=t.next}while(t!==e);return i}function BE(e,t,i,s,r,o,n,a){return(r-n)*(t-a)-(e-n)*(o-a)>=0&&(e-n)*(s-a)-(i-n)*(t-a)>=0&&(i-n)*(o-a)-(r-n)*(s-a)>=0}function wE(e,t){return e.next.i!==t.i&&e.prev.i!==t.i&&!function(e,t){var i=e;do{if(i.i!==e.i&&i.next.i!==e.i&&i.i!==t.i&&i.next.i!==t.i&&ME(i,i.next,e,t))return!0;i=i.next}while(i!==e);return!1}(e,t)&&(IE(e,t)&&IE(t,e)&&function(e,t){var i=e,s=!1,r=(e.x+t.x)/2,o=(e.y+t.y)/2;do{i.y>o!=i.next.y>o&&i.next.y!==i.y&&r<(i.next.x-i.x)*(o-i.y)/(i.next.y-i.y)+i.x&&(s=!s),i=i.next}while(i!==e);return s}(e,t)&&(PE(e.prev,e,t.prev)||PE(e,t.prev,t))||CE(e,t)&&PE(e.prev,e,e.next)>0&&PE(t.prev,t,t.next)>0)}function PE(e,t,i){return(t.y-e.y)*(i.x-t.x)-(t.x-e.x)*(i.y-t.y)}function CE(e,t){return e.x===t.x&&e.y===t.y}function ME(e,t,i,s){var r=FE(PE(e,t,i)),o=FE(PE(e,t,s)),n=FE(PE(i,s,e)),a=FE(PE(i,s,t));return r!==o&&n!==a||(!(0!==r||!EE(e,i,t))||(!(0!==o||!EE(e,s,t))||(!(0!==n||!EE(i,e,s))||!(0!==a||!EE(i,t,s)))))}function EE(e,t,i){return t.x<=Math.max(e.x,i.x)&&t.x>=Math.min(e.x,i.x)&&t.y<=Math.max(e.y,i.y)&&t.y>=Math.min(e.y,i.y)}function FE(e){return e>0?1:e<0?-1:0}function IE(e,t){return PE(e.prev,e,e.next)<0?PE(e,t,e.next)>=0&&PE(e,e.prev,t)>=0:PE(e,t,e.prev)<0||PE(e,e.next,t)<0}function DE(e,t){var i=new RE(e.i,e.x,e.y),s=new RE(t.i,t.x,t.y),r=e.next,o=t.prev;return e.next=t,t.prev=e,i.next=r,r.prev=i,s.next=i,i.prev=s,o.next=s,s.prev=o,s}function SE(e,t,i,s){var r=new RE(e,t,i);return s?(r.next=s.next,r.prev=s,s.next.prev=r,s.next=r):(r.prev=r,r.next=r),r}function TE(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function RE(e,t,i){this.i=e,this.x=t,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function LE(e,t,i,s){for(var r=0,o=t,n=i-s;o<i;o+=s)r+=(e[n]-e[o])*(e[o+1]+e[n+1]),n=o;return r}hE.deviation=function(e,t,i,s){var r=t&&t.length,o=r?t[0]*i:e.length,n=Math.abs(LE(e,0,o,i));if(r)for(var a=0,l=t.length;a<l;a++){var A=t[a]*i,h=a<l-1?t[a+1]*i:e.length;n-=Math.abs(LE(e,A,h,i))}var c=0;for(a=0;a<s.length;a+=3){var u=s[a]*i,d=s[a+1]*i,p=s[a+2]*i;c+=Math.abs((e[u]-e[p])*(e[d+1]-e[u+1])-(e[u]-e[d])*(e[p+1]-e[u+1]))}return 0===n&&0===c?0:Math.abs((c-n)/n)},hE.flatten=function(e){for(var t=e[0][0].length,i={vertices:[],holes:[],dimensions:t},s=0,r=0;r<e.length;r++){for(var o=0;o<e[r].length;o++)for(var n=0;n<t;n++)i.vertices.push(e[r][o][n]);r>0&&(s+=e[r-1].length,i.holes.push(s))}return i};const UE=d.vec2(),OE=d.vec3(),kE=d.vec3(),NE=d.vec3();class QE extends z{constructor(e,t={}){super("cityJSONLoader",e,t),this.dataSource=t.dataSource}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new AE}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{isModel:!0,edges:!0}));if(!e.src&&!e.cityJSON)return this.error("load() param expected: src or cityJSON"),t;const i={};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.cityJSON,e,i,t),s.processes--}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getCityJSON(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,o=t.stats||{};o.sourceFormat=e.type||"CityJSON",o.schemaVersion=e.version||"",o.title="",o.author="",o.created="",o.numMetaObjects=0,o.numPropertySets=0,o.numObjects=0,o.numGeometries=0,o.numTriangles=0,o.numVertices=0;const n=!1!==t.loadMetadata,a=n?{id:d.createUUID(),name:"Model",type:"Model"}:null,l=n?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,A={data:e,vertices:r,sceneModel:s,loadMetadata:n,metadata:l,rootMetaObject:a,nextId:0,stats:o};if(this._parseCityJSON(A),s.finalize(),n){const e=s.id;this.viewer.metaScene.createMetaModel(e,A.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_transformVertices(e,t,i){const s=[],r=t.scale||d.vec3([1,1,1]),o=t.translate||d.vec3([0,0,0]);for(let t=0,n=0;t<e.length;t++,n+=3){const n=e[t][0]*r[0]+o[0],a=e[t][1]*r[1]+o[1],l=e[t][2]*r[2]+o[2];i?s.push([n,l,a]):s.push([n,a,l])}return s}_parseCityJSON(e){const t=e.data.CityObjects;for(const i in t)if(t.hasOwnProperty(i)){const s=t[i];this._parseCityObject(e,s,i)}}_parseCityObject(e,t,i){const s=e.sceneModel,r=e.data;if(e.loadMetadata){const s=i,r=t.type,o=r+" : "+i,n=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:s,name:o,type:r,parent:n})}if(e.stats.numMetaObjects++,!(t.geometry&&t.geometry.length>0))return;const o=[];for(let i=0,s=t.geometry.length;i<s;i++){const s=t.geometry[i];let n,a;const l=r.appearance;if(l){const e=l.materials;if(e){const t=s.material;if(t){const s=Object.keys(t);if(s.length>0){const r=t[s[0]];if(void 0!==r.value)n=e[r.value];else{const t=r.values;if(t){a=[];for(let s=0,r=t.length;s<r;s++){const s=e[t[i]];a.push(s)}}}}}}}a?this._parseGeometrySurfacesWithOwnMaterials(e,s,a,o):this._parseGeometrySurfacesWithSharedMaterial(e,s,n,o)}o.length>0&&(s.createEntity({id:i,meshIds:o,isObject:!0}),e.stats.numObjects++)}_parseGeometrySurfacesWithOwnMaterials(e,t,i,s){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const r=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,r,s);break;case"Solid":const o=t.boundaries;for(let t=0;t<o.length;t++){const r=o[t];this._parseSurfacesWithOwnMaterials(e,i,r,s)}break;case"MultiSolid":case"CompositeSolid":const n=t.boundaries;for(let t=0;t<n.length;t++)for(let r=0;r<n[t].length;r++){const o=n[t][r];this._parseSurfacesWithOwnMaterials(e,i,o,s)}}}_parseSurfacesWithOwnMaterials(e,t,i,s){const r=e.vertices,o=e.sceneModel;for(let n=0;n<i.length;n++){const a=i[n],l=t[n]||{diffuseColor:[.8,.8,.8],transparency:1},A=[],h=[],c=[],u={positions:[],indices:[]};for(let t=0;t<a.length;t++){A.length>0&&h.push(A.length);const i=this._extractLocalIndices(e,a[t],c,u);A.push(...i)}if(3===A.length)u.indices.push(A[0]),u.indices.push(A[1]),u.indices.push(A[2]);else if(A.length>3){const e=[];for(let t=0;t<A.length;t++)e.push({x:r[c[A[t]]][0],y:r[c[A[t]]][1],z:r[c[A[t]]][2]});const t=this._getNormalOfPositions(e,d.vec3());let i=[];for(let s=0;s<e.length;s++)this._to2D(e[s],t,UE),i.unshift(UE[0]),i.unshift(UE[1]);const s=hE(i,h,2);for(let e=0;e<s.length;e+=3)u.indices.unshift(A[s[e]]),u.indices.unshift(A[s[e+1]]),u.indices.unshift(A[s[e+2]])}const p=""+e.nextId++;o.createMesh({id:p,primitive:"triangles",positions:u.positions,indices:u.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),s.push(p),e.stats.numGeometries++,e.stats.numVertices+=u.positions.length/3,e.stats.numTriangles+=u.indices.length/3}}_parseGeometrySurfacesWithSharedMaterial(e,t,i,s){const r=e.sceneModel,o=[],n={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const i=t.boundaries;this._parseSurfacesWithSharedMaterial(e,i,o,n);break;case"Solid":const s=t.boundaries;for(let t=0;t<s.length;t++){const i=s[t];this._parseSurfacesWithSharedMaterial(e,i,o,n)}break;case"MultiSolid":case"CompositeSolid":const r=t.boundaries;for(let t=0;t<r.length;t++)for(let i=0;i<r[t].length;i++){const s=r[t][i];this._parseSurfacesWithSharedMaterial(e,s,o,n)}}if(n.positions.length>0&&n.indices.length>0){const t=""+e.nextId++;r.createMesh({id:t,primitive:"triangles",positions:n.positions,indices:n.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),s.push(t),e.stats.numGeometries++,e.stats.numVertices+=n.positions.length/3,e.stats.numTriangles+=n.indices.length/3}}_parseSurfacesWithSharedMaterial(e,t,i,s){const r=e.vertices;for(let o=0;o<t.length;o++){let n=[],a=[];for(let r=0;r<t[o].length;r++){n.length>0&&a.push(n.length);const l=this._extractLocalIndices(e,t[o][r],i,s);n.push(...l)}if(3===n.length)s.indices.push(n[0]),s.indices.push(n[1]),s.indices.push(n[2]);else if(n.length>3){let e=[];for(let t=0;t<n.length;t++)e.push({x:r[i[n[t]]][0],y:r[i[n[t]]][1],z:r[i[n[t]]][2]});const t=this._getNormalOfPositions(e,d.vec3());let o=[];for(let i=0;i<e.length;i++)this._to2D(e[i],t,UE),o.unshift(UE[0]),o.unshift(UE[1]);const l=hE(o,a,2);for(let e=0;e<l.length;e+=3)s.indices.unshift(n[l[e]]),s.indices.unshift(n[l[e+1]]),s.indices.unshift(n[l[e+2]])}}}_extractLocalIndices(e,t,i,s){const r=e.vertices,o=[];for(let e=0,n=t.length;e<n;e++){const n=t[e];if(i.includes(n)){const e=i.indexOf(n);o.push(e)}else s.positions.push(r[n][0]),s.positions.push(r[n][1]),s.positions.push(r[n][2]),o.push(i.length),i.push(n)}return o}_getNormalOfPositions(e,t){for(let i=0;i<e.length;i++){let s=i+1;s===e.length&&(s=0),t[0]+=(e[i].y-e[s].y)*(e[i].z+e[s].z),t[1]+=(e[i].z-e[s].z)*(e[i].x+e[s].x),t[2]+=(e[i].x-e[s].x)*(e[i].y+e[s].y)}return d.normalizeVec3(t)}_to2D(e,t,i){const s=OE,r=kE,o=NE;s[0]=e.x,s[1]=e.y,s[2]=e.z,r[0]=t.x,r[1]=t.y,r[2]=t.z,o[0]=1.1,o[1]=1.1,o[2]=1.1;d.lenVec3(d.subVec3(o,r))<.01&&(o[0]+=1,o[1]+=2,o[2]+=3);const n=d.dotVec3(o,r),a=d.mulVec3Scalar(r,n,d.vec3());o[0]-=a[0],o[1]-=a[1],o[2]-=a[2],d.normalizeVec3(o);const l=d.cross3Vec3(r,o,d.vec3()),A=d.dotVec3(s,o),h=d.dotVec3(s,l);i[0]=A,i[1]=h}}class VE{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getDotBIM(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}}class HE extends z{constructor(e,t={}){super("DotBIMLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new VE}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||jP}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{isModel:!0,backfaces:e.backfaces,dtxEnabled:e.dtxEnabled,rotation:e.rotation,origin:e.origin})),i=t.id;if(!e.src&&!e.dotBIM)return this.error("load() param expected: src or dotBIM"),t;const s=e.objectDefaults||this._objectDefaults||jP;let r,o;if(e.includeTypes){r={};for(let t=0,i=e.includeTypes.length;t<i;t++)r[e.includeTypes[t]]=!0}if(e.excludeTypes){o={},r||(r={});for(let t=0,i=e.excludeTypes.length;t<i;t++)r[e.excludeTypes[t]]=!0}const n=e=>{const t=e.fileData,n=e.sceneModel,a={},l=d.createUUID(),A=d.createUUID(),h=d.createUUID(),c=d.createUUID(),u={metaObjects:[{id:l,name:"Project",type:"Project",parent:null},{id:A,name:"Site",type:"Site",parent:l},{id:h,name:"Building",type:"Building",parent:A},{id:c,name:"BuildingStorey",type:"BuildingStorey",parent:h}],propertySets:[]},p=(e,i)=>{if(a[e])return;const s=t.meshes.find((e=>e.mesh_id===i.mesh_id));n.createGeometry({id:e,primitive:"triangles",positions:s.coordinates,indices:s.indices}),a[e]=!0},f=t.elements;for(let e=0,i=f.length;e<i;e++){const i=f[e],a=i.type;if(o&&o[a])continue;if(r&&!r[a])continue;const l=i.info,A=void 0!==i.guid?`${i.guid}`:void 0!==l&&void 0!==l.id?l.id:e,h=i.mesh_id,d=i.vector,g=i.rotation,m=s?s[a]||s.DEFAULT:null;let _=!0,v=!0;if(void 0===i.face_colors){p(h,i);const e=`${A}-mesh`;let t=i.color?[i.color.r/255,i.color.g/255,i.color.b/255]:[1,1,1],s=i.color?i.color.a/255:1;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(t=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(s=m.opacity)),n.createMesh({id:e,geometryId:h,color:t,opacity:s,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:d?[d.x,d.y,d.z]:void 0}),n.createEntity({id:A,meshIds:[e],visible:_,pickable:v,isObject:!0})}else{let e=i.face_colors,s={},r=0,o=t.meshes.find((e=>e.mesh_id===i.mesh_id));for(let t=0,i=e.length;t<i;t+=4){let i=[e[t],e[t+1],e[t+2],e[t+3]];void 0===s[i]&&(s[i]=[]);let n=o.indices[r],a=o.coordinates[3*n],l=o.coordinates[3*n+1],A=o.coordinates[3*n+2],h=o.indices[r+1],c=o.coordinates[3*h],u=o.coordinates[3*h+1],d=o.coordinates[3*h+2],p=o.indices[r+2],f=o.coordinates[3*p],g=o.coordinates[3*p+1],m=o.coordinates[3*p+2];s[i].push(a,l,A,c,u,d,f,g,m),r+=3}let a=[];for(const[e,t]of Object.entries(s)){n.createGeometry({id:`${h}-${e}`,primitive:"triangles",positions:t,indices:[...Array(t.length/3).keys()]});const i=`${A}-mesh-${e}`,s=e.split(",").map(Number);let r=[s[0]/255,s[1]/255,s[2]/255],o=s[3]/255;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(r=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(o=m.opacity)),n.createMesh({id:i,geometryId:`${h}-${e}`,color:r,opacity:o,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:d?[d.x,d.y,d.z]:void 0}),a.push(i)}n.createEntity({id:A,meshIds:a,visible:_,pickable:v,isObject:!0})}let b=[];for(let e in l)b.push({name:e,value:l[e]});u.propertySets.push({id:A,name:"Properties",properties:b}),u.metaObjects.push({id:A,name:l&&l.Name&&"None"!==l.Name?l.Name:`${i.type} ${A}`,type:i.type,parent:c,propertySetIds:[A]})}n.finalize(),this.viewer.metaScene.createMetaModel(i,u),n.scene.once("tick",(()=>{n.destroyed||(n.scene.fire("modelLoaded",n.id),n.fire("loaded",!0,!1))}))};if(e.src){const i=e.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(i,(e=>{n({fileData:e,sceneModel:t,nextId:0,error:function(e){}}),this.viewer.scene.canvas.spinner.processes--}),(e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e)}))}else if(e.dotBIM){const i={fileData:e.dotBIM,sceneModel:t,nextId:0,error:function(e){}};n(i)}return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}const jE=function(e){const t=t=>parseInt(e.substr(t+1,2),16)/255;return[t(0),t(2),t(4)]},GE=function(e){const t=[];for(let i=0;i<e.length;++i)t.push(i);const i=function(){const i=d.vec2(),s=d.vec2();let r=0;for(let o=0;o<t.length;++o){const n=e[t[o]],a=e[t[(o+1)%t.length]],l=e[t[(o+2)%t.length]];d.subVec2(n,a,i),d.subVec2(l,a,s);const A=d.dotVec2(i,s)/Math.sqrt(d.sqLenVec2(i)*d.sqLenVec2(s)),h=Math.acos(Math.max(-1,Math.min(A,1)));r+=i[0]*s[1]-i[1]*s[0]>=0?h:2*Math.PI-h}return r<t.length*Math.PI}(),s=function(){const e=(e,t,i)=>(e[0]-i[0])*(t[1]-i[1])-(t[0]-i[0])*(e[1]-i[1]);return(t,i,s,r)=>{const o=e(t,i,s),n=e(t,s,r),a=e(t,r,i);return!((o<0||n<0||a<0)&&(o>0||n>0||a>0))}}(),r=[],o=(i?t:t.slice(0).reverse()).map((e=>({idx:e})));o.forEach(((e,t)=>{e.prev=o[(t-1+o.length)%o.length],e.next=o[(t+1)%o.length]}));const n=d.vec2(),a=d.vec2();for(;o.length>2;){let t=0;for(;;){if(t>=o.length)throw`isCCW = ${i}; earIdx = ${t}; len = ${o.length}`;const r=o[t],l=e[r.prev.idx],A=e[r.idx],h=e[r.next.idx];if(d.subVec2(l,A,n),d.subVec2(h,A,a),n[0]*a[1]-n[1]*a[0]>=0&&o.every((t=>t===r||t===r.prev||t===r.next||!s(e[t.idx],l,A,h))))break;++t}const l=o[t];o.splice(t,1),r.push([l.idx,l.next.idx,l.prev.idx]);l.prev.next=l.next;l.next.prev=l.prev}return[e,r,i]},zE=function(e,t){const i=e.canvas.canvas,s=i.parentNode,r=document.createElement("div");s.insertBefore(r,i);let o=5;r.style.background=t,r.style.border="2px solid white",r.style.margin="0 0",r.style.zIndex="100",r.style.position="absolute",r.style.pointerEvents="none",r.style.display="none";const n=new fe(e,{}),a=e=>e+"px",l=function(){const e=n.canvasPos.slice();me(i,s,e),r.style.left=a(e[0]-3-o/2),r.style.top=a(e[1]-3-o/2),r.style.borderRadius=a(2*o),r.style.width=a(o),r.style.height=a(o)},A=e.camera.on("viewMatrix",l),h=e.camera.on("projMatrix",l);return{update:function(e){e&&(n.worldPos=e,l()),r.style.display=e?"":"none"},setHighlighted:function(e){o=e?10:5,l()},getCanvasPos:()=>n.canvasPos,getWorldPos:()=>n.worldPos,destroy:function(){r.parentNode.removeChild(r),e.camera.off(A),e.camera.off(h),n.destroy()}}},WE=function(e,t,i){let s=null;const r=r=>{if(r){s&&s.destroy();try{const[o,n]=GE(r.map((e=>[e[0],e[2]]))),a=[].concat(...o.map((e=>[e[0],r[0][1],e[1]]))),l=[].concat(...n);s=new Pr(e,{pickable:!1,geometry:new ti(e,{positions:a,indices:l,normals:d.buildNormals(a,l)}),material:new ni(e,{alpha:void 0!==i?i:.5,backfaces:!0,diffuse:jE(t)})})}catch(e){s=null}}s&&(s.visible=!!r)};return r(null),{updateBase:r,destroy:()=>s&&s.destroy()}},KE=function(e,t){return function(i,s,r){const o=e.scene,n=o.canvas.canvas,a=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,me(n.ownerDocument.documentElement,n,t),t),l=e=>{const i=d.vec3(),s=d.vec3();return d.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,i,s),t(i,s)};let A=!1;const h=function(){A=!1},c=function(){h(),n.removeEventListener("mousedown",p),n.removeEventListener("mousemove",f),e.cameraControl.off(g),n.removeEventListener("mouseup",m)},u=d.vec2(),p=function(e){1===e.which&&(a(e,u),A=!0)};n.addEventListener("mousedown",p);const f=function(e){const t=a(e,d.vec2());A&&d.distVec2(u,t)>20&&(h(),i())};n.addEventListener("mousemove",f);const g=e.cameraControl.on("rayMove",(e=>{const t=e.canvasPos;s(t,l(t))})),m=function(e){if(1===e.which&&A){c();const t=a(e,d.vec2());r(t,l(t))}};return n.addEventListener("mouseup",m),c}},XE=function(e,t,i,s){const r=-(d.dotVec3(i,t)-e)/d.dotVec3(s,t);{const e=d.vec3();return d.mulVec3Scalar(s,r,e),d.addVec3(i,e,e),e}};class YE extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={},this.plugin.viewer.scene,this._geometry=t.geometry,t.onMouseOver,t.onMouseLeave,t.onContextMenu,this._alpha="alpha"in t&&void 0!==t.alpha?t.alpha:.5,this.color=t.color,this._visible=!0,this._rebuildMesh()}_rebuildMesh(){const e=this.plugin.viewer.scene,t=this._geometry.planeCoordinates.slice(),i=this._geometry.height<0,s=this._geometry.altitude+(i?this._geometry.height:0),r=this._geometry.height*(i?-1:1),[o,n,a]=GE(t),l=[],A=[],h=e=>{const t=l.length;for(let t of o)l.push([t[0],s+(e?r:0),t[1]]);for(let i of n)A.push(...(e?i:i.slice(0).reverse()).map((e=>e+t)))};h(!1),h(!0);for(let e=0;e<o.length;++e){const t=o[e],i=o[(o.length+e+(a?1:-1))%o.length],n=s,h=s+r,c=l.length;l.push([t[0],n,t[1]],[i[0],n,i[1]],[i[0],h,i[1]],[t[0],h,t[1]]),A.push(...[0,1,2,0,2,3].map((e=>e+c)))}this._zoneMesh&&this._zoneMesh.destroy();const c=[].concat(...l);this._zoneMesh=new Pr(e,{edges:this._edges,geometry:new ti(e,{positions:c,indices:A,normals:d.buildNormals(c,A)}),material:new ni(e,{alpha:this._alpha,backfaces:!0,diffuse:jE(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;{const e=d.vec2(),t=d.vec2();let i=0;for(let s of n){const r=o[s[0]],n=o[s[1]],a=o[s[2]];d.subVec2(n,r,e),d.subVec2(a,r,t),i+=Math.abs(e[0]*t[1]-e[1]*t[0])}this._baseArea=i/2}this._metrics=null;const u=e=>Math.min(...l.map((t=>t[e]))),p=e=>Math.max(...l.map((t=>t[e]))),f=u(0),g=u(1),m=u(2),_=p(0),v=p(1),b=p(2);this._center=d.vec3([(f+_)/2,(g+v)/2,(m+b)/2])}get baseArea(){return this._baseArea}get area(){return this._getMetrics().area}get volume(){return this._getMetrics().volume}_getMetrics(){if(null===this._metrics){let e=0,t=0;const i=this._zoneMesh.geometry,s=[d.vec3(),d.vec3(),d.vec3()],r=d.vec3();for(let o=0;o<i.indices.length;o+=3){for(let e=0;e<3;++e){const t=s[e],r=3*i.indices[o+e];for(let e=0;e<3;++e)t[e]=i.positions[r+e]}e+=d.dotVec3(s[0],d.cross3Vec3(s[1],s[2],r)),d.subVec3(s[1],s[0],s[1]),d.subVec3(s[2],s[0],s[2]),t+=d.lenVec3(d.cross3Vec3(s[1],s[2],r))}this._metrics={area:t/2,volume:e/6}}return this._metrics}sectionedAverage(e){const t=this._geometry.planeCoordinates.slice();let i=[];{const e=this._geometry.height,s=this._geometry.altitude,r=s+Math.max(0,e),o=s+Math.min(0,e),n=e=>{const s=t.map((t=>[t[0],e?r:o,t[1]]));i.push(e?s:s.slice(0).reverse())};n(!0),n(!1);const a=(e,i)=>[t[e][0],i,t[e][1]];for(let e=0;e<t.length;++e){const s=(e+1)%t.length;i.push([a(e,o),a(s,o),a(s,r),a(e,r)])}}for(const t of e){const e=t.dir,r=t.dist,o=[];for(const t of i){const i=1e-5,n=0,a=1,l=2,A=3;let h=0;const c=[];for(let s=0;s<t.length;s++){const o=d.dotVec3(e,t[s])+r,A=o<-i?l:o>i?a:n;h|=A,c.push(A)}switch(h){case n:case a:o.push(t);break;case l:break;case A:const i=[];for(let o=0;o<t.length;o++){var s=(o+1)%t.length;const n=c[o],a=c[s],h=t[o],u=t[s];if(n!==l&&i.push(h),(n|a)===A){const t=d.vec3();d.subVec3(u,h,t);const s=-(r+d.dotVec3(e,h))/d.dotVec3(e,t),o=[0,0,0];d.lerpVec3(s,0,1,h,u,o),i.push(o)}}i.length>=3&&o.push(i)}}i=o}if(0===i.length)return null;{const e=d.vec3([0,0,0]),t=new Set;for(const s of i)for(const i of s){const s=i.map((e=>e.toFixed(3))).join(":");t.has(s)||(t.add(s),d.addVec3(e,i,e))}return d.mulVec3Scalar(e,1/t.size,e),e}}get center(){return this._center}get altitude(){return this._geometry.altitude}set altitude(e){this._geometry.altitude=e,this._rebuildMesh()}get height(){return this._geometry.height}set height(e){this._geometry.height=e,this._rebuildMesh()}get highlighted(){return this._highlighted}set highlighted(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}set color(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=jE(this._color))}get color(){return this._color}set alpha(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}get alpha(){return this._alpha}get edges(){return this._edges}set edges(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}set visible(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}get visible(){return this._visible}getJSON(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}duplicate(){return this.plugin.createZone({id:d.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((e=>e.slice())),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}destroy(){this._zoneMesh.destroy(),super.destroy()}}class JE extends R{constructor(e,t,i){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.createSelect3dPoint=i,this._deactivate=null}get active(){return!!this._deactivate}activate(e,t,i,s){if(this._deactivate)return;if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=this.createSelect3dPoint(o,((t,i)=>XE(e,d.vec3([0,1,0]),t,i)));!function o(){const A=WE(n,i,s),h=function(e,t,i,s,r,o){const n=zE(e,t),a=zE(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:()=>{};let A=s((()=>{l(null),n.update(null)}),((e,t)=>{l(e),n.update(t)}),(function(e,t){n.update(t),A=s((function(){l(null),a.update(null),r(null)}),(function(e,i){l(e),a.update(i),r(d.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),n.destroy(),a.destroy(),l(null),o([t,i])}))}));return{deactivate:function(){A(),n.destroy(),a.destroy(),l(null)}}}(n,i,a.pointerLens,l,(e=>{if(e){const t=e[0],i=e[1],s=e=>Math.min(t[e],i[e]),r=e=>Math.max(t[e],i[e]),o=s(0),n=s(1),a=s(2),l=r(0);r(1);const h=r(2);A.updateBase([[o,n,h],[l,n,h],[l,n,a],[o,n,a]])}else A.updateBase(null)}),(n=>{A.destroy();const l=function(e,t,i,s,r,o,n){const a=i=>Math.min(e[i],t[i]),l=i=>Math.max(e[i],t[i]),A=a(0),h=a(2),c=l(0),u=l(2);return n.createZone({id:d.createUUID(),geometry:{planeCoordinates:[[A,u],[c,u],[c,h],[A,h]],altitude:i,height:s},alpha:o,color:r})}(n[0],n[1],e,t,i,s,r);let h=!0;a._deactivate=()=>{h=!1},a.fire("zoneEnd",l),h&&o()})).deactivate;a._deactivate=()=>{h(),A.destroy()}}()}deactivate(){this._deactivate&&(this._deactivate(),this._deactivate=null)}destroy(){this.deactivate(),super.destroy()}}class ZE extends JE{constructor(e,t={}){super(e,t,((e,t)=>KE(e,t)))}}class qE extends JE{constructor(e,t={}){const i=new G(e.viewer);super(e,t,((e,t)=>ye(e,i,t))),this.pointerCircle=i}destroy(){this.pointerCircle.destroy(),super.destroy()}}class $E extends z{constructor(e,t={}){super("Zones",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._zones=[],this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,zone:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,zone:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,zone:t,event:e})}}createZone(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=new YE(this,{id:e.id,plugin:this,container:this._container,geometry:e.geometry,alpha:e.alpha,color:e.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(t),t.on("destroyed",(()=>{const e=this._zones.indexOf(t);e>=0&&this._zones.splice(e,1)})),this.fire("zoneCreated",t),t}get zones(){return this._zones}destroy(){super.destroy()}}const eF=function(e,t,i,s,r,o,n,a,l){const A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{};let h;const c=[()=>A(null)],u=WE(e,s,r);return c.push((()=>u.destroy())),function o(p){const f=zE(e,s),g=p.length>0&&function(e,t,i){const s=e.canvas.canvas,r=new fe(e,{});r.worldPos=i;const o=new fe(e,{}),n=s.ownerDocument.body,a=new xe(n,{color:t,thickness:1,thicknessClickable:6});a.setVisible(!1);const l=function(){const e=r.canvasPos.slice(),t=o.canvasPos.slice();me(s,n,e),me(s,n,t),a.setStartAndEnd(e[0],e[1],t[0],t[1])},A=e.camera.on("viewMatrix",l),h=e.camera.on("projMatrix",l);return{update:function(e){e&&(o.worldPos=e,l()),a.setVisible(!!e)},destroy:function(){e.camera.off(A),e.camera.off(h),r.destroy(),o.destroy(),a.destroy()}}}(e,s,p[p.length-1].getWorldPos());c.push((()=>{f.destroy(),g&&g.destroy()}));const m=p.length>0&&p[0],_=function(e){const t=m&&m.getCanvasPos();return t&&d.distVec2(t,e)<10&&{canvasPos:t,worldPos:m.getWorldPos()}},v=function(){const e=(e,t,i)=>t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1]),t=(e,t,i)=>{const s=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===s?0:s>0?1:2};return function(i,s){const r=i[i.length-2],o=i[i.length-1];for(let n=s?1:0;n<i.length-2-1;++n){const s=i[n],a=i[n+1],l=t(r,o,s),A=t(r,o,a),h=t(s,a,r),c=t(s,a,o);if(l!==A&&h!==c||0===l&&e(r,s,o)||0===A&&e(r,a,o)||0===h&&e(s,r,a)||0===c&&e(s,o,a))return!0}return!1}}();h=a((()=>{A(null),f.update(null),g&&g.update(null),u.updateBase(p.length>2?p.map((e=>e.getWorldPos())):null)}),((e,t)=>{const i=p.length>2&&_(e);if(m&&m.setHighlighted(!!i),A(i?i.canvasPos:e),f.update(!i&&t),g&&g.update(i?i.worldPos:t),p.length>=2){const e=p.map((e=>e.getWorldPos())).concat(i?[]:[t]),s=v(e.map((e=>[e[0],e[2]])),i);u.updateBase(s?null:e)}else u.updateBase(null)}),(function(e,a){const A=p.length>2&&_(e),h=p.map((e=>e.getWorldPos())).concat(A?[]:[a]);u.updateBase(h);const m=h.map((e=>[e[0],e[2]]));p.length>2&&v(m,A)?(c.pop()(),o(p)):A?(f.update(a),c.forEach((e=>e())),l(n.createZone({id:d.createUUID(),geometry:{planeCoordinates:m,altitude:t,height:i},alpha:r,color:s}))):(f.update(a),g&&g.update(a),o(p.concat(f)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){h(),c.forEach((e=>e()))}}};class tF extends R{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=KE(o,(function(t,i){return XE(e,d.vec3([0,1,0]),t,i)}));!function o(){a._action=eF(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}}class iF extends R{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=ye(o,this.pointerCircle,(function(t,i){return XE(e,d.vec3([0,1,0]),t,i)}));!function o(){a._action=eF(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}}class sF extends R{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene;super(o);const n=e._geometry.altitude,a=e._geometry.planeCoordinates.map((t=>{const i=o.canvas.canvas.ownerDocument.body,s=new _e(o,{},i,{fillColor:e._color});return s.worldPos=d.vec3([t[0],n,t[1]]),s.on("worldPos",(function(){t[0]=s.worldPos[0],t[1]=s.worldPos[2];try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}})),s})),l=be({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t&&t.pointerLens,dots:a,ray2WorldPos:(e,t)=>XE(n,d.vec3([0,1,0]),e,t),onEnd:(t,i)=>(e._zoneMesh&&this.fire("edited"),!!e._zoneMesh)}),A=function(){l(),a.forEach((e=>e.destroy()))},h=e.on("destroyed",A);this._deactivate=function(){e.off("destroyed",h),A()}}deactivate(){this._deactivate(),super.destroy()}}class rF extends sF{constructor(e,t){super(e,t,!0,!1)}}class oF extends sF{constructor(e,t){super(e,t,!1,!0)}}class nF extends R{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene,n=o.canvas.canvas;super(o);const a=this,l=e._geometry.altitude,A=t&&t.pointerLens,h=A?function(e){A.visible=!!e,e&&(A.canvasPos=e)}:()=>{},c=e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,t,i),s=t,r=i,XE(l,d.vec3([0,1,0]),s,r);var s,r},u=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,me(n.ownerDocument.documentElement,n,t),t),p=function(e,t){const i=e=>{e.preventDefault(),t(e)};return n.addEventListener(e,i),()=>n.removeEventListener(e,i)};let f=()=>{};const g=function(t,i,s,o){const l=o(t),A=u(l,d.vec2()),g=r.scene.pick({canvasPos:A,includeEntities:[e._zoneMesh.id]});if((g&&g.entity&&g.entity.zone)===e){f(),n.style.cursor="move",r.cameraControl.active=!1;const t=function(){const t=e._geometry.planeCoordinates.map((e=>e.slice())),i=c(A),s=d.vec2([i[0],i[2]]),r=d.vec2();return function(i){const o=c(i);r[0]=o[0],r[1]=o[2],d.subVec2(s,r,r),e._geometry.planeCoordinates.forEach(((e,i)=>{d.subVec2(t[i],r,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}}(),l=p(i,(function(e){const i=o(e);if(i){const e=u(i,d.vec2());t(e),h(e)}})),g=p(s,(function(e){const i=o(e);if(i){const e=u(i,d.vec2());t(e),h(null),f(),a.fire("translated")}}));f=function(){f=()=>{},n.style.cursor="default",r.cameraControl.active=!0,l(),g()}}},m=[];i&&m.push(p("mousedown",(e=>{1===e.which&&g(e,"mousemove","mouseup",(e=>1===e.which&&e))}))),s&&m.push(p("touchstart",(e=>{if(1===e.touches.length){const t=e.touches[0].identifier;g(e,"touchmove","touchend",(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})));const _=function(){f(),m.forEach((e=>e())),h(null)},v=e.on("destroyed",_);this._deactivate=function(){e.off("destroyed",v),_()}}deactivate(){this._deactivate(),super.destroy()}}class aF extends nF{constructor(e,t){super(e,t,!0,!1)}}class lF extends nF{constructor(e,t){super(e,t,!1,!0)}}export{zi as AlphaFormat,jt as AmbientLight,Se as AngleMeasurementEditMouseControl,Te as AngleMeasurementEditTouchControl,Me as AngleMeasurementsControl,Ee as AngleMeasurementsMouseControl,Fe as AngleMeasurementsPlugin,Ie as AngleMeasurementsTouchControl,ke as AnnotationsPlugin,Dr as AxisGizmoPlugin,qc as BCFViewpointsPlugin,yo as Bitmap,Li as ByteType,ju as CameraMemento,xu as CameraPath,Fu as CameraPathAnimation,QE as CityJSONLoaderPlugin,xi as ClampToEdgeWrapping,R as Component,Rs as CompressedMediaType,In as Configs,o as ContextMenu,Xu as CubicBezierCurve,vu as Curve,cc as DefaultLoadingManager,Ji as DepthFormat,Zi as DepthStencilFormat,Ht as DirLight,cu as DistanceMeasurementEditControl,uu as DistanceMeasurementEditMouseControl,du as DistanceMeasurementEditTouchControl,au as DistanceMeasurementsControl,lu as DistanceMeasurementsMouseControl,Au as DistanceMeasurementsPlugin,hu as DistanceMeasurementsTouchControl,_e as Dot3D,VE as DotBIMDefaultDataSource,HE as DotBIMLoaderPlugin,hi as EdgeMaterial,li as EmphasisMaterial,wC as FaceAlignedSectionPlanesPlugin,pu as FastNavPlugin,Qi as FloatType,oo as Fresnel,N as Frustum,k as FrustumPlane,Ds as GIFMediaType,fu as GLTFDefaultDataSource,GP as GLTFLoaderPlugin,Vi as HalfFloatType,Ru as ImagePlane,ki as IntType,Ss as JPEGMediaType,mc as KTX2TextureTranscoder,aE as LASLoaderPlugin,jr as LambertMaterial,Vu as LightMap,Kc as LineSet,Fs as LinearEncoding,Fi as LinearFilter,Ti as LinearMipMapLinearFilter,Di as LinearMipMapNearestFilter,Si as LinearMipmapLinearFilter,Ii as LinearMipmapNearestFilter,uc as Loader,hc as LoadingManager,gu as LocaleService,Yi as LuminanceAlphaFormat,Xi as LuminanceFormat,e as Map,fe as Marker,H as MarqueePicker,j as MarqueePickerMouseControl,Pr as Mesh,Ro as MeshSurfaceArea,Co as MeshVolume,Wr as MetallicMaterial,Bi as MirroredRepeatWrapping,zu as ModelMemento,XP as NavCubePlugin,wi as NearestFilter,Ei as NearestMipMapLinearFilter,Pi as NearestMipMapNearestFilter,Mi as NearestMipmapLinearFilter,Ci as NearestMipmapNearestFilter,Hr as Node,sC as OBJLoaderPlugin,f as ObjectsKdTree3,Ku as ObjectsMemento,Ts as PNGMediaType,Yu as Path,Zu as PerformanceModel,ni as PhongMaterial,ze as PickResult,z as Plugin,Lu as PointLight,G as PointerCircle,n as PointerLens,Ju as QuadraticBezierCurve,g as Queue,Ki as RGBAFormat,is as RGBAIntegerFormat,Ps as RGBA_ASTC_10x10_Format,xs as RGBA_ASTC_10x5_Format,Bs as RGBA_ASTC_10x6_Format,ws as RGBA_ASTC_10x8_Format,Cs as RGBA_ASTC_12x10_Format,Ms as RGBA_ASTC_12x12_Format,ps as RGBA_ASTC_4x4_Format,fs as RGBA_ASTC_5x4_Format,gs as RGBA_ASTC_5x5_Format,ms as RGBA_ASTC_6x5_Format,_s as RGBA_ASTC_6x6_Format,vs as RGBA_ASTC_8x5_Format,bs as RGBA_ASTC_8x6_Format,ys as RGBA_ASTC_8x8_Format,Es as RGBA_BPTC_Format,ds as RGBA_ETC2_EAC_Format,hs as RGBA_PVRTC_2BPPV1_Format,As as RGBA_PVRTC_4BPPV1_Format,rs as RGBA_S3TC_DXT1_Format,os as RGBA_S3TC_DXT3_Format,ns as RGBA_S3TC_DXT5_Format,Wi as RGBFormat,cs as RGB_ETC1_Format,us as RGB_ETC2_Format,ls as RGB_PVRTC_2BPPV1_Format,as as RGB_PVRTC_4BPPV1_Format,ss as RGB_S3TC_DXT1_Format,es as RGFormat,ts as RGIntegerFormat,ti as ReadableGeometry,qi as RedFormat,$i as RedIntegerFormat,Qu as ReflectionMap,yi as RepeatWrapping,CC as STLDefaultDataSource,LC as STLLoaderPlugin,zc as SceneModel,No as SceneModelMesh,Uc as SceneModelTransform,Sr as SectionPlane,cC as SectionPlanesPlugin,Ui as ShortType,qu as Skybox,PC as SkyboxesPlugin,Yr as SpecularMaterial,bu as SplineCurve,Hu as SpriteMarker,gC as StoreyViewsPlugin,ro as Texture,$u as TextureTranscoder,kC as TreeViewPlugin,Ri as UnsignedByteType,Gi as UnsignedInt248Type,Ni as UnsignedIntType,Hi as UnsignedShort4444Type,ji as UnsignedShort5551Type,Oi as UnsignedShortType,lo as VBOGeometry,HC as ViewCullPlugin,Vb as Viewer,$M as WebIFCLoaderPlugin,fc as WorkerPool,jC as XKTDefaultDataSource,UM as XKTLoaderPlugin,ZM as XML3DLoaderPlugin,sF as ZoneEditControl,rF as ZoneEditMouseControl,oF as ZoneEditTouchControl,nF as ZoneTranslateControl,aF as ZoneTranslateMouseControl,lF as ZoneTranslateTouchControl,ZE as ZonesMouseControl,$E as ZonesPlugin,tF as ZonesPolysurfaceMouseControl,iF as ZonesPolysurfaceTouchControl,qE as ZonesTouchControl,ve as activateDraggableDot,be as activateDraggableDots,ii as buildBoxGeometry,uo as buildBoxLinesGeometry,po as buildBoxLinesGeometryFromAABB,Mr as buildCylinderGeometry,fo as buildGridGeometry,bo as buildLineGeometry,go as buildPlaneGeometry,_o as buildPolylineGeometry,vo as buildPolylineGeometryFromCurve,Er as buildSphereGeometry,mo as buildTorusGeometry,Ir as buildVectorTextGeometry,J as createRTCViewMat,V as frustumIntersectsAABB3,vc as getKTX2TextureTranscoder,ee as getPlaneRTCPos,xo as isTriangleMeshSolid,ho as load3DSGeometry,co as loadOBJGeometry,d as math,Lo as meshSurfaceArea,Mo as meshVolume,$ as rtcToWorldPos,Is as sRGBEncoding,Q as setFrustum,m as stats,ye as touchPointSelector,me as transformToNode,y as utils,Z as worldToRTCPos,q as worldToRTCPositions};
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e>=48&&e<=57},Jp=function(e){return Xp(e)||e>=65&&e<=70||e>=97&&e<=102},Yp=function(e){return 10===e||9===e||32===e},Zp=function(e){return function(e){return function(e){return e>=97&&e<=122}(e)||function(e){return e>=65&&e<=90}(e)}(e)||function(e){return e>=128}(e)||95===e},qp=function(e){return Zp(e)||Xp(e)||45===e},$p=function(e){return e>=0&&e<=8||11===e||e>=14&&e<=31||127===e},ef=function(e,t){return 92===e&&10!==t},tf=function(e,t,i){return 45===e?Zp(t)||ef(t,i):!!Zp(e)||!(92!==e||!ef(e,t))},sf=function(e,t,i){return 43===e||45===e?!!Xp(t)||46===t&&Xp(i):Xp(46===e?t:e)},rf=function(e){var t=0,i=1;43!==e[t]&&45!==e[t]||(45===e[t]&&(i=-1),t++);for(var s=[];Xp(e[t]);)s.push(e[t++]);var r=s.length?parseInt(qd.apply(void 0,s),10):0;46===e[t]&&t++;for(var o=[];Xp(e[t]);)o.push(e[t++]);var n=o.length,a=n?parseInt(qd.apply(void 0,o),10):0;69!==e[t]&&101!==e[t]||t++;var l=1;43!==e[t]&&45!==e[t]||(45===e[t]&&(l=-1),t++);for(var A=[];Xp(e[t]);)A.push(e[t++]);var h=A.length?parseInt(qd.apply(void 0,A),10):0;return i*(r+a*Math.pow(10,-n))*Math.pow(10,l*h)},of={type:2},nf={type:3},af={type:4},lf={type:13},Af={type:8},hf={type:21},cf={type:9},uf={type:10},df={type:11},pf={type:12},ff={type:14},gf={type:23},mf={type:1},_f={type:25},vf={type:24},bf={type:26},yf={type:27},xf={type:28},Bf={type:29},wf={type:31},Pf={type:32},Cf=function(){function e(){this._value=[]}return e.prototype.write=function(e){this._value=this._value.concat(Zd(e))},e.prototype.read=function(){for(var e=[],t=this.consumeToken();t!==Pf;)e.push(t),t=this.consumeToken();return e},e.prototype.consumeToken=function(){var e=this.consumeCodePoint();switch(e){case 34:return this.consumeStringToken(34);case 35:var t=this.peekCodePoint(0),i=this.peekCodePoint(1),s=this.peekCodePoint(2);if(qp(t)||ef(i,s)){var r=tf(t,i,s)?2:1;return{type:5,value:this.consumeName(),flags:r}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),lf;break;case 39:return this.consumeStringToken(39);case 40:return of;case 41:return nf;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),ff;break;case 43:if(sf(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return af;case 45:var o=e,n=this.peekCodePoint(0),a=this.peekCodePoint(1);if(sf(o,n,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(tf(o,n,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===n&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),vf;break;case 46:if(sf(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return bf;case 59:return yf;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),_f;break;case 64:var A=this.peekCodePoint(0),h=this.peekCodePoint(1),c=this.peekCodePoint(2);if(tf(A,h,c))return{type:7,value:this.consumeName()};break;case 91:return xf;case 92:if(ef(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return Bf;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Af;break;case 123:return df;case 125:return pf;case 117:case 85:var u=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==u||!Jp(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),cf;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),hf;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),uf;break;case-1:return Pf}return Yp(e)?(this.consumeWhiteSpace(),wf):Xp(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):Zp(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:qd(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();Jp(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(qd.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(qd.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var s=parseInt(qd.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&Jp(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var r=[];Jp(t)&&r.length<6;)r.push(t),t=this.consumeCodePoint();return{type:30,start:s,end:parseInt(qd.apply(void 0,r),16)}}return{type:30,start:s,end:s}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),gf)}for(;;){var s=this.consumeCodePoint();if(-1===s||41===s)return{type:22,value:qd.apply(void 0,e)};if(Yp(s))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:qd.apply(void 0,e)}):(this.consumeBadUrlRemnants(),gf);if(34===s||39===s||40===s||$p(s))return this.consumeBadUrlRemnants(),gf;if(92===s){if(!ef(s,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),gf;e.push(this.consumeEscapedCodePoint())}else e.push(s)}},e.prototype.consumeWhiteSpace=function(){for(;Yp(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;ef(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=qd.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var s=this._value[i];if(-1===s||void 0===s||s===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===s)return this._value.splice(0,i),mf;if(92===s){var r=this._value[i+1];-1!==r&&void 0!==r&&(10===r?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):ef(s,r)&&(t+=this.consumeStringSlice(i),t+=qd(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());Xp(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var s=this.peekCodePoint(1);if(46===i&&Xp(s))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;Xp(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),s=this.peekCodePoint(1);var r=this.peekCodePoint(2);if((69===i||101===i)&&((43===s||45===s)&&Xp(r)||Xp(s)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;Xp(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[rf(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],s=this.peekCodePoint(0),r=this.peekCodePoint(1),o=this.peekCodePoint(2);return tf(s,r,o)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===s?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(Jp(e)){for(var t=qd(e);Jp(this.peekCodePoint(0))&&t.length<6;)t+=qd(this.consumeCodePoint());Yp(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(qp(t))e+=qd(t);else{if(!ef(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=qd(this.consumeEscapedCodePoint())}}},e}(),Mf=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new Cf;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||Uf(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?Pf:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),Ef=function(e){return 15===e.type},Ff=function(e){return 17===e.type},If=function(e){return 20===e.type},Df=function(e){return 0===e.type},Sf=function(e,t){return If(e)&&e.value===t},Tf=function(e){return 31!==e.type},Rf=function(e){return 31!==e.type&&4!==e.type},Lf=function(e){var t=[],i=[];return e.forEach((function(e){if(4===e.type){if(0===i.length)throw new Error("Error parsing function args, zero tokens for arg");return t.push(i),void(i=[])}31!==e.type&&i.push(e)})),i.length&&t.push(i),t},Uf=function(e,t){return 11===t&&12===e.type||(28===t&&29===e.type||2===t&&3===e.type)},Of=function(e){return 17===e.type||15===e.type},kf=function(e){return 16===e.type||Of(e)},Nf=function(e){return e.length>1?[e[0],e[1]]:[e[0]]},Qf={type:17,number:0,flags:4},Vf={type:16,number:50,flags:4},Hf={type:16,number:100,flags:4},jf=function(e,t,i){var s=e[0],r=e[1];return[Gf(s,t),Gf(void 0!==r?r:s,i)]},Gf=function(e,t){if(16===e.type)return e.number/100*t;if(Ef(e))switch(e.unit){case"rem":case"em":return 16*e.number;default:return e.number}return e.number},zf=function(e,t){if(15===t.type)switch(t.unit){case"deg":return Math.PI*t.number/180;case"grad":return Math.PI/200*t.number;case"rad":return t.number;case"turn":return 2*Math.PI*t.number}throw new Error("Unsupported angle type")},Wf=function(e){return 15===e.type&&("deg"===e.unit||"grad"===e.unit||"rad"===e.unit||"turn"===e.unit)},Kf=function(e){switch(e.filter(If).map((function(e){return e.value})).join(" ")){case"to bottom right":case"to right bottom":case"left top":case"top left":return[Qf,Qf];case"to top":case"bottom":return Xf(0);case"to bottom left":case"to left bottom":case"right top":case"top right":return[Qf,Hf];case"to right":case"left":return Xf(90);case"to top left":case"to left top":case"right bottom":case"bottom right":return[Hf,Hf];case"to bottom":case"top":return Xf(180);case"to top right":case"to right top":case"left bottom":case"bottom left":return[Hf,Qf];case"to left":case"right":return Xf(270)}return 0},Xf=function(e){return Math.PI*e/180},Jf=function(e,t){if(18===t.type){var i=sg[t.name];if(void 0===i)throw new Error('Attempting to parse an unsupported color 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t<255?"rgba("+r+","+s+","+i+","+t/255+")":"rgb("+r+","+s+","+i+")"},qf=function(e,t,i,s){return(e<<24|t<<16|i<<8|Math.round(255*s)<<0)>>>0},$f=function(e,t){if(17===e.type)return e.number;if(16===e.type){var i=3===t?1:255;return 3===t?e.number/100*i:Math.round(e.number/100*i)}return 0},eg=function(e,t){var i=t.filter(Rf);if(3===i.length){var s=i.map($f),r=s[0],o=s[1],n=s[2];return qf(r,o,n,1)}if(4===i.length){var a=i.map($f),l=(r=a[0],o=a[1],n=a[2],a[3]);return qf(r,o,n,l)}return 0};function tg(e,t,i){return i<0&&(i+=1),i>=1&&(i-=1),i<1/6?(t-e)*i*6+e:i<.5?t:i<2/3?6*(t-e)*(2/3-i)+e:e}var ig=function(e,t){var i=t.filter(Rf),s=i[0],r=i[1],o=i[2],n=i[3],a=(17===s.type?Xf(s.number):zf(e,s))/(2*Math.PI),l=kf(r)?r.number/100:0,A=kf(o)?o.number/100:0,h=void 0!==n&&kf(n)?Gf(n,1):1;if(0===l)return qf(255*A,255*A,255*A,1);var c=A<=.5?A*(l+1):A+l-A*l,u=2*A-c,d=tg(u,c,a+1/3),p=tg(u,c,a),f=tg(u,c,a-1/3);return qf(255*d,255*p,255*f,h)},sg={hsl:ig,hsla:ig,rgb:eg,rgba:eg},rg=function(e,t){return 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qv(i.left+w/2,i.top+y/2),this.topRightBorderStroke=r>0||o>0?sb(i.left+m,i.top+y/2,a-x/2,l-y/2,Ev.TOP_RIGHT):new qv(i.left+i.width-x/2,i.top+y/2),this.bottomRightBorderStroke=h>0||c>0?sb(i.left+v,i.top+_,h-x/2,c-B/2,Ev.BOTTOM_RIGHT):new qv(i.left+i.width-x/2,i.top+i.height-B/2),this.bottomLeftBorderStroke=d>0||p>0?sb(i.left+w/2,i.top+b,d-w/2,p-B/2,Ev.BOTTOM_LEFT):new qv(i.left+w/2,i.top+i.height-B/2),this.topLeftBorderBox=r>0||o>0?sb(i.left,i.top,r,o,Ev.TOP_LEFT):new qv(i.left,i.top),this.topRightBorderBox=a>0||l>0?sb(i.left+m,i.top,a,l,Ev.TOP_RIGHT):new qv(i.left+i.width,i.top),this.bottomRightBorderBox=h>0||c>0?sb(i.left+v,i.top+_,h,c,Ev.BOTTOM_RIGHT):new qv(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?sb(i.left,i.top+b,d,p,Ev.BOTTOM_LEFT):new qv(i.left,i.top+i.height),this.topLeftPaddingBox=r>0||o>0?sb(i.left+w,i.top+y,Math.max(0,r-w),Math.max(0,o-y),Ev.TOP_LEFT):new qv(i.left+w,i.top+y),this.topRightPaddingBox=a>0||l>0?sb(i.left+Math.min(m,i.width-x),i.top+y,m>i.width+x?0:Math.max(0,a-x),Math.max(0,l-y),Ev.TOP_RIGHT):new qv(i.left+i.width-x,i.top+y),this.bottomRightPaddingBox=h>0||c>0?sb(i.left+Math.min(v,i.width-w),i.top+Math.min(_,i.height-B),Math.max(0,h-x),Math.max(0,c-B),Ev.BOTTOM_RIGHT):new qv(i.left+i.width-x,i.top+i.height-B),this.bottomLeftPaddingBox=d>0||p>0?sb(i.left+w,i.top+Math.min(b,i.height-B),Math.max(0,d-w),Math.max(0,p-B),Ev.BOTTOM_LEFT):new qv(i.left+w,i.top+i.height-B),this.topLeftContentBox=r>0||o>0?sb(i.left+w+E,i.top+y+P,Math.max(0,r-(w+E)),Math.max(0,o-(y+P)),Ev.TOP_LEFT):new qv(i.left+w+E,i.top+y+P),this.topRightContentBox=a>0||l>0?sb(i.left+Math.min(m,i.width+w+E),i.top+y+P,m>i.width+w+E?0:a-w+E,l-(y+P),Ev.TOP_RIGHT):new qv(i.left+i.width-(x+C),i.top+y+P),this.bottomRightContentBox=h>0||c>0?sb(i.left+Math.min(v,i.width-(w+E)),i.top+Math.min(_,i.height+y+P),Math.max(0,h-(x+C)),c-(B+M),Ev.BOTTOM_RIGHT):new qv(i.left+i.width-(x+C),i.top+i.height-(B+M)),this.bottomLeftContentBox=d>0||p>0?sb(i.left+w+E,i.top+b,Math.max(0,d-(w+E)),p-(B+M),Ev.BOTTOM_LEFT):new qv(i.left+w+E,i.top+i.height-(B+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}(Ev||(Ev={}));var sb=function(e,t,i,s,r){var o=(Math.sqrt(2)-1)/3*4,n=i*o,a=s*o,l=e+i,A=t+s;switch(r){case Ev.TOP_LEFT:return new eb(new qv(e,A),new qv(e,A-a),new qv(l-n,t),new qv(l,t));case Ev.TOP_RIGHT:return new eb(new qv(e,t),new qv(e+n,t),new qv(l,A-a),new qv(l,A));case Ev.BOTTOM_RIGHT:return new eb(new qv(l,t),new qv(l,t+a),new qv(e+n,A),new qv(e,A));case Ev.BOTTOM_LEFT:default:return new eb(new qv(l,A),new qv(l-n,A),new qv(e,t+a),new qv(e,t))}},rb=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},ob=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},nb=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},ab=function(e,t){this.path=e,this.target=t,this.type=1},lb=function(e){this.opacity=e,this.type=2,this.target=6},Ab=function(e){return 1===e.type},hb=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},cb=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},ub=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new ib(this.container),this.container.styles.opacity<1&&this.effects.push(new lb(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,s=this.container.bounds.top+this.container.styles.transformOrigin[1].number,r=this.container.styles.transform;this.effects.push(new nb(i,s,r))}if(0!==this.container.styles.overflowX){var o=rb(this.curves),n=ob(this.curves);hb(o,n)?this.effects.push(new ab(o,6)):(this.effects.push(new ab(o,2)),this.effects.push(new ab(n,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,s=this.effects.slice(0);i;){var r=i.effects.filter((function(e){return!Ab(e)}));if(t||0!==i.container.styles.position||!i.parent){if(s.unshift.apply(s,r),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var o=rb(i.curves),n=ob(i.curves);hb(o,n)||s.unshift(new ab(n,6))}}else s.unshift.apply(s,r);i=i.parent}return s.filter((function(t){return km(t.target,e)}))},e}(),db=function(e,t,i,s){e.container.elements.forEach((function(r){var o=km(r.flags,4),n=km(r.flags,2),a=new ub(r,e);km(r.styles.display,2048)&&s.push(a);var l=km(r.flags,8)?[]:s;if(o||n){var A=o||r.styles.isPositioned()?i:t,h=new cb(a);if(r.styles.isPositioned()||r.styles.opacity<1||r.styles.isTransformed()){var c=r.styles.zIndex.order;if(c<0){var u=0;A.negativeZIndex.some((function(e,t){return c>e.element.container.styles.zIndex.order?(u=t,!1):u>0})),A.negativeZIndex.splice(u,0,h)}else if(c>0){var d=0;A.positiveZIndex.some((function(e,t){return c>=e.element.container.styles.zIndex.order?(d=t+1,!1):d>0})),A.positiveZIndex.splice(d,0,h)}else A.zeroOrAutoZIndexOrTransformedOrOpacity.push(h)}else r.styles.isFloating()?A.nonPositionedFloats.push(h):A.nonPositionedInlineLevel.push(h);db(a,h,o?h:i,l)}else r.styles.isInlineLevel()?t.inlineLevel.push(a):t.nonInlineLevel.push(a),db(a,t,i,l);km(r.flags,8)&&pb(r,l)}))},pb=function(e,t){for(var i=e instanceof k_?e.start:1,s=e instanceof k_&&e.reversed,r=0;r<t.length;r++){var o=t[r];o.container instanceof O_&&"number"==typeof o.container.value&&0!==o.container.value&&(i=o.container.value),o.listValue=Cv(i,o.container.styles.listStyleType,!0),i+=s?-1:1}},fb=function(e,t){switch(t){case 0:return mb(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return mb(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return mb(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return mb(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},gb=function(e,t){var i=[];return tb(e)?i.push(e.subdivide(.5,!1)):i.push(e),tb(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},mb=function(e,t,i,s){var r=[];return tb(e)?r.push(e.subdivide(.5,!1)):r.push(e),tb(i)?r.push(i.subdivide(.5,!0)):r.push(i),tb(s)?r.push(s.subdivide(.5,!0).reverse()):r.push(s),tb(t)?r.push(t.subdivide(.5,!1).reverse()):r.push(t),r},_b=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},vb=function(e){var t=e.styles,i=e.bounds,s=Gf(t.paddingLeft,i.width),r=Gf(t.paddingRight,i.width),o=Gf(t.paddingTop,i.width),n=Gf(t.paddingBottom,i.width);return i.add(s+t.borderLeftWidth,o+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+s+r),-(t.borderTopWidth+t.borderBottomWidth+o+n))},bb=function(e,t,i){var s=function(e,t){return 0===e?t.bounds:2===e?vb(t):_b(t)}(wb(e.styles.backgroundOrigin,t),e),r=function(e,t){return 0===e?t.bounds:2===e?vb(t):_b(t)}(wb(e.styles.backgroundClip,t),e),o=Bb(wb(e.styles.backgroundSize,t),i,s),n=o[0],a=o[1],l=jf(wb(e.styles.backgroundPosition,t),s.width-n,s.height-a);return[Pb(wb(e.styles.backgroundRepeat,t),l,o,s,r),Math.round(s.left+l[0]),Math.round(s.top+l[1]),n,a]},yb=function(e){return If(e)&&e.value===gg.AUTO},xb=function(e){return"number"==typeof e},Bb=function(e,t,i){var s=t[0],r=t[1],o=t[2],n=e[0],a=e[1];if(!n)return[0,0];if(kf(n)&&a&&kf(a))return[Gf(n,i.width),Gf(a,i.height)];var l=xb(o);if(If(n)&&(n.value===gg.CONTAIN||n.value===gg.COVER))return xb(o)?i.width/i.height<o!=(n.value===gg.COVER)?[i.width,i.width/o]:[i.height*o,i.height]:[i.width,i.height];var A=xb(s),h=xb(r),c=A||h;if(yb(n)&&(!a||yb(a)))return A&&h?[s,r]:l||c?c&&l?[A?s:r*o,h?r:s/o]:[A?s:i.width,h?r:i.height]:[i.width,i.height];if(l){var u=0,d=0;return kf(n)?u=Gf(n,i.width):kf(a)&&(d=Gf(a,i.height)),yb(n)?u=d*o:a&&!yb(a)||(d=u/o),[u,d]}var p=null,f=null;if(kf(n)?p=Gf(n,i.width):a&&kf(a)&&(f=Gf(a,i.height)),null===p||a&&!yb(a)||(f=A&&h?p/s*r:i.height),null!==f&&yb(n)&&(p=A&&h?f/r*s:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},wb=function(e,t){var i=e[t];return void 0===i?e[0]:i},Pb=function(e,t,i,s,r){var o=t[0],n=t[1],a=i[0],l=i[1];switch(e){case 2:return[new qv(Math.round(s.left),Math.round(s.top+n)),new qv(Math.round(s.left+s.width),Math.round(s.top+n)),new qv(Math.round(s.left+s.width),Math.round(l+s.top+n)),new qv(Math.round(s.left),Math.round(l+s.top+n))];case 3:return[new qv(Math.round(s.left+o),Math.round(s.top)),new qv(Math.round(s.left+o+a),Math.round(s.top)),new qv(Math.round(s.left+o+a),Math.round(s.height+s.top)),new qv(Math.round(s.left+o),Math.round(s.height+s.top))];case 1:return[new qv(Math.round(s.left+o),Math.round(s.top+n)),new qv(Math.round(s.left+o+a),Math.round(s.top+n)),new qv(Math.round(s.left+o+a),Math.round(s.top+n+l)),new qv(Math.round(s.left+o),Math.round(s.top+n+l))];default:return[new qv(Math.round(r.left),Math.round(r.top)),new qv(Math.round(r.left+r.width),Math.round(r.top)),new qv(Math.round(r.left+r.width),Math.round(r.height+r.top)),new qv(Math.round(r.left),Math.round(r.height+r.top))]}},Cb=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),s=this._document.createElement("img"),r=this._document.createElement("span"),o=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",o.appendChild(i),s.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",s.width=1,s.height=1,s.style.margin="0",s.style.padding="0",s.style.verticalAlign="baseline",r.style.fontFamily=e,r.style.fontSize=t,r.style.margin="0",r.style.padding="0",r.appendChild(this._document.createTextNode("Hidden Text")),i.appendChild(r),i.appendChild(s);var n=s.offsetTop-r.offsetTop+2;i.removeChild(r),i.appendChild(this._document.createTextNode("Hidden Text")),i.style.lineHeight="normal",s.style.verticalAlign="super";var a=s.offsetTop-i.offsetTop+2;return o.removeChild(i),{baseline:n,middle:a}},e.prototype.getMetrics=function(e,t){var i=e+" "+t;return void 0===this._data[i]&&(this._data[i]=this.parseMetrics(e,t)),this._data[i]},e}(),Mb=function(e,t){this.context=e,this.options=t},Eb=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s._activeEffects=[],s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),i.canvas||(s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px"),s.fontMetrics=new Cb(document),s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.ctx.textBaseline="bottom",s._activeEffects=[],s.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),s}return Gd(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),Ab(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return Wd(this,void 0,void 0,(function(){return Kd(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return Wd(this,void 0,void 0,(function(){return Kd(this,(function(t){switch(t.label){case 0:return km(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var s=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):C_(e.text).reduce((function(t,r){return s.ctx.fillText(r,t,e.bounds.top+i),t+s.ctx.measureText(r).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=Tb(e.fontFamily).join(", "),s=Ef(e.fontSize)?""+e.fontSize.number+e.fontSize.unit:e.fontSize.number+"px";return[[e.fontStyle,t,e.fontWeight,s,i].join(" "),i,s]},t.prototype.renderTextNode=function(e,t){return Wd(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h=this;return Kd(this,(function(c){return i=this.createFontStyle(t),s=i[0],r=i[1],o=i[2],this.ctx.font=s,this.ctx.direction=1===t.direction?"rtl":"ltr",this.ctx.textAlign="left",this.ctx.textBaseline="alphabetic",n=this.fontMetrics.getMetrics(r,o),a=n.baseline,l=n.middle,A=t.paintOrder,e.textBounds.forEach((function(e){A.forEach((function(i){switch(i){case 0:h.ctx.fillStyle=Zf(t.color),h.renderTextWithLetterSpacing(e,t.letterSpacing,a);var s=t.textShadow;s.length&&e.text.trim().length&&(s.slice(0).reverse().forEach((function(i){h.ctx.shadowColor=Zf(i.color),h.ctx.shadowOffsetX=i.offsetX.number*h.options.scale,h.ctx.shadowOffsetY=i.offsetY.number*h.options.scale,h.ctx.shadowBlur=i.blur.number,h.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),h.ctx.shadowColor="",h.ctx.shadowOffsetX=0,h.ctx.shadowOffsetY=0,h.ctx.shadowBlur=0),t.textDecorationLine.length&&(h.ctx.fillStyle=Zf(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:h.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(h.ctx.strokeStyle=Zf(t.webkitTextStrokeColor),h.ctx.lineWidth=t.webkitTextStrokeWidth,h.ctx.lineJoin=window.chrome?"miter":"round",h.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),h.ctx.strokeStyle="",h.ctx.lineWidth=0,h.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var s=vb(e),r=ob(t);this.path(r),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,s.left,s.top,s.width,s.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return Wd(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v;return Kd(this,(function(b){switch(b.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,s=e.curves,r=i.styles,o=0,n=i.textNodes,b.label=1;case 1:return o<n.length?(a=n[o],[4,this.renderTextNode(a,r)]):[3,4];case 2:b.sent(),b.label=3;case 3:return o++,[3,1];case 4:if(!(i instanceof R_))return[3,8];b.label=5;case 5:return b.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,8];case 7:return b.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof L_&&this.renderReplacedElement(i,s,i.canvas),!(i instanceof U_))return[3,12];b.label=9;case 9:return b.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,12];case 11:return b.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof z_&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=b.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),b.label=14;case 14:if(i instanceof H_&&(A=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new qv(i.bounds.left+.39363*A,i.bounds.top+.79*A),new qv(i.bounds.left+.16*A,i.bounds.top+.5549*A),new qv(i.bounds.left+.27347*A,i.bounds.top+.44071*A),new qv(i.bounds.left+.39694*A,i.bounds.top+.5649*A),new qv(i.bounds.left+.72983*A,i.bounds.top+.23*A),new qv(i.bounds.left+.84*A,i.bounds.top+.34085*A),new qv(i.bounds.left+.39363*A,i.bounds.top+.79*A)]),this.ctx.fillStyle=Zf(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+A/2,i.bounds.top+A/2,A/4,0,2*Math.PI,!0),this.ctx.fillStyle=Zf(707406591),this.ctx.fill(),this.ctx.restore())),Fb(i)&&i.value.length){switch(h=this.createFontStyle(r),_=h[0],c=h[1],u=this.fontMetrics.getMetrics(_,c).baseline,this.ctx.font=_,this.ctx.fillStyle=Zf(r.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=Db(i.styles.textAlign),v=vb(i),d=0,i.styles.textAlign){case 1:d+=v.width/2;break;case 2:d+=v.width}p=v.add(d,0,0,-v.height/2+1),this.ctx.save(),this.path([new qv(v.left,v.top),new qv(v.left+v.width,v.top),new qv(v.left+v.width,v.top+v.height),new qv(v.left,v.top+v.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new B_(i.value,p),r.letterSpacing,u),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!km(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];g=void 0,m=f.url,b.label=15;case 15:return b.trys.push([15,17,,18]),[4,this.context.cache.match(m)];case 16:return g=b.sent(),this.ctx.drawImage(g,i.bounds.left-(g.width+10),i.bounds.top),[3,18];case 17:return b.sent(),this.context.logger.error("Error loading list-style-image "+m),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(_=this.createFontStyle(r)[0],this.ctx.font=_,this.ctx.fillStyle=Zf(r.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",v=new Jd(i.bounds.left,i.bounds.top+Gf(i.styles.paddingTop,i.bounds.width),i.bounds.width,tm(r.lineHeight,r.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new B_(e.listValue,v),r.letterSpacing,tm(r.lineHeight,r.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),b.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return Wd(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A,h,c,u,d,p,f;return Kd(this,(function(g){switch(g.label){case 0:return km(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:g.sent(),t=0,i=e.negativeZIndex,g.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:g.sent(),g.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:g.sent(),s=0,r=e.nonInlineLevel,g.label=7;case 7:return s<r.length?(f=r[s],[4,this.renderNode(f)]):[3,10];case 8:g.sent(),g.label=9;case 9:return s++,[3,7];case 10:o=0,n=e.nonPositionedFloats,g.label=11;case 11:return o<n.length?(f=n[o],[4,this.renderStack(f)]):[3,14];case 12:g.sent(),g.label=13;case 13:return o++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,g.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:g.sent(),g.label=17;case 17:return a++,[3,15];case 18:A=0,h=e.inlineLevel,g.label=19;case 19:return A<h.length?(f=h[A],[4,this.renderNode(f)]):[3,22];case 20:g.sent(),g.label=21;case 21:return A++,[3,19];case 22:c=0,u=e.zeroOrAutoZIndexOrTransformedOrOpacity,g.label=23;case 23:return c<u.length?(f=u[c],[4,this.renderStack(f)]):[3,26];case 24:g.sent(),g.label=25;case 25:return c++,[3,23];case 26:d=0,p=e.positiveZIndex,g.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:g.sent(),g.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var s=tb(e)?e.start:e;0===i?t.ctx.moveTo(s.x,s.y):t.ctx.lineTo(s.x,s.y),tb(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,s){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,s),this.ctx.fill(),this.ctx.translate(-i,-s)},t.prototype.resizeImage=function(e,t,i){var s;if(e.width===t&&e.height===i)return e;var r=(null!==(s=this.canvas.ownerDocument)&&void 0!==s?s:document).createElement("canvas");return r.width=Math.max(1,t),r.height=Math.max(1,i),r.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),r},t.prototype.renderBackgroundImage=function(e){return Wd(this,void 0,void 0,(function(){var t,i,s,r,o,n;return Kd(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,x,B,w,P,C,M,E,F,I,D,S,T,R;return Kd(this,(function(L){switch(L.label){case 0:if(0!==i.type)return[3,5];r=void 0,o=i.url,L.label=1;case 1:return L.trys.push([1,3,,4]),[4,s.context.cache.match(o)];case 2:return r=L.sent(),[3,4];case 3:return L.sent(),s.context.logger.error("Error loading background-image "+o),[3,4];case 4:return r&&(n=bb(e,t,[r.width,r.height,r.width/r.height]),v=n[0],P=n[1],C=n[2],x=n[3],B=n[4],m=s.ctx.createPattern(s.resizeImage(r,x,B),"repeat"),s.renderRepeat(v,m,P,C)),[3,6];case 5:1===i.type?(a=bb(e,t,[null,null,null]),v=a[0],P=a[1],C=a[2],x=a[3],B=a[4],l=hg(i.angle,x,B),A=l[0],h=l[1],c=l[2],u=l[3],d=l[4],(p=document.createElement("canvas")).width=x,p.height=B,f=p.getContext("2d"),g=f.createLinearGradient(h,u,c,d),Ag(i.stops,A).forEach((function(e){return g.addColorStop(e.stop,Zf(e.color))})),f.fillStyle=g,f.fillRect(0,0,x,B),x>0&&B>0&&(m=s.ctx.createPattern(p,"repeat"),s.renderRepeat(v,m,P,C))):function(e){return 2===e.type}(i)&&(_=bb(e,t,[null,null,null]),v=_[0],b=_[1],y=_[2],x=_[3],B=_[4],w=0===i.position.length?[Vf]:i.position,P=Gf(w[0],x),C=Gf(w[w.length-1],B),M=function(e,t,i,s,r){var o=0,n=0;switch(e.size){case 0:0===e.shape?o=n=Math.min(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.min(Math.abs(t),Math.abs(t-s)),n=Math.min(Math.abs(i),Math.abs(i-r)));break;case 2:if(0===e.shape)o=n=Math.min(cg(t,i),cg(t,i-r),cg(t-s,i),cg(t-s,i-r));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-r))/Math.min(Math.abs(t),Math.abs(t-s)),l=ug(s,r,t,i,!0),A=l[0],h=l[1];n=a*(o=cg(A-t,(h-i)/a))}break;case 1:0===e.shape?o=n=Math.max(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.max(Math.abs(t),Math.abs(t-s)),n=Math.max(Math.abs(i),Math.abs(i-r)));break;case 3:if(0===e.shape)o=n=Math.max(cg(t,i),cg(t,i-r),cg(t-s,i),cg(t-s,i-r));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-r))/Math.max(Math.abs(t),Math.abs(t-s));var c=ug(s,r,t,i,!1);A=c[0],h=c[1],n=a*(o=cg(A-t,(h-i)/a))}}return Array.isArray(e.size)&&(o=Gf(e.size[0],s),n=2===e.size.length?Gf(e.size[1],r):o),[o,n]}(i,P,C,x,B),E=M[0],F=M[1],E>0&&F>0&&(I=s.ctx.createRadialGradient(b+P,y+C,0,b+P,y+C,E),Ag(i.stops,2*E).forEach((function(e){return I.addColorStop(e.stop,Zf(e.color))})),s.path(v),s.ctx.fillStyle=I,E!==F?(D=e.bounds.left+.5*e.bounds.width,S=e.bounds.top+.5*e.bounds.height,R=1/(T=F/E),s.ctx.save(),s.ctx.translate(D,S),s.ctx.transform(1,0,0,T,0,0),s.ctx.translate(-D,-S),s.ctx.fillRect(b,R*(y-S)+S,x,B*R),s.ctx.restore()):s.ctx.fill())),L.label=6;case 6:return t--,[2]}}))},s=this,r=0,o=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return r<o.length?(n=o[r],[5,i(n)]):[3,4];case 2:a.sent(),a.label=3;case 3:return r++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return Wd(this,void 0,void 0,(function(){return Kd(this,(function(s){return this.path(fb(i,t)),this.ctx.fillStyle=Zf(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,s){return Wd(this,void 0,void 0,(function(){var r,o;return Kd(this,(function(n){switch(n.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,s)]:[3,2];case 1:return n.sent(),[2];case 2:return r=function(e,t){switch(t){case 0:return mb(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return mb(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return mb(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return mb(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(s,i),this.path(r),this.ctx.fillStyle=Zf(e),this.ctx.fill(),o=function(e,t){switch(t){case 0:return mb(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return mb(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return mb(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return mb(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(s,i),this.path(o),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return Wd(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A=this;return Kd(this,(function(h){switch(h.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!Yf(t.backgroundColor)||t.backgroundImage.length,s=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],r=Ib(wb(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(r),this.ctx.clip(),Yf(t.backgroundColor)||(this.ctx.fillStyle=Zf(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:h.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){A.ctx.save();var i,s,r,o,n,a=rb(e.curves),l=t.inset?0:1e4,h=(i=a,s=-l+(t.inset?1:-1)*t.spread.number,r=(t.inset?1:-1)*t.spread.number,o=t.spread.number*(t.inset?-2:2),n=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(s,r);case 1:return e.add(s+o,r);case 2:return e.add(s+o,r+n);case 3:return e.add(s,r+n)}return e})));t.inset?(A.path(a),A.ctx.clip(),A.mask(h)):(A.mask(a),A.ctx.clip(),A.path(h)),A.ctx.shadowOffsetX=t.offsetX.number+l,A.ctx.shadowOffsetY=t.offsetY.number,A.ctx.shadowColor=Zf(t.color),A.ctx.shadowBlur=t.blur.number,A.ctx.fillStyle=t.inset?Zf(t.color):"rgba(0,0,0,1)",A.ctx.fill(),A.ctx.restore()})),h.label=2;case 2:o=0,n=0,a=s,h.label=3;case 3:return n<a.length?0!==(l=a[n]).style&&!Yf(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,2)]:[3,11]:[3,13];case 4:return h.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,3)];case 6:return h.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,o,e.curves)];case 8:return h.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,o,e.curves)];case 10:h.sent(),h.label=11;case 11:o++,h.label=12;case 12:return n++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,s,r){return Wd(this,void 0,void 0,(function(){var o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b;return Kd(this,(function(y){return this.ctx.save(),o=function(e,t){switch(t){case 0:return gb(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return gb(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return gb(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return gb(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(s,i),n=fb(s,i),2===r&&(this.path(n),this.ctx.clip()),tb(n[0])?(a=n[0].start.x,l=n[0].start.y):(a=n[0].x,l=n[0].y),tb(n[1])?(A=n[1].end.x,h=n[1].end.y):(A=n[1].x,h=n[1].y),c=0===i||2===i?Math.abs(a-A):Math.abs(l-h),this.ctx.beginPath(),3===r?this.formatPath(o):this.formatPath(n.slice(0,2)),u=t<3?3*t:2*t,d=t<3?2*t:t,3===r&&(u=t,d=t),p=!0,c<=2*u?p=!1:c<=2*u+d?(u*=f=c/(2*u+d),d*=f):(g=Math.floor((c+d)/(u+d)),m=(c-g*u)/(g-1),d=(_=(c-(g+1)*u)/g)<=0||Math.abs(d-m)<Math.abs(d-_)?m:_),p&&(3===r?this.ctx.setLineDash([0,u+d]):this.ctx.setLineDash([u,d])),3===r?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=Zf(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===r&&(tb(n[0])&&(v=n[3],b=n[0],this.ctx.beginPath(),this.formatPath([new qv(v.end.x,v.end.y),new qv(b.start.x,b.start.y)]),this.ctx.stroke()),tb(n[1])&&(v=n[1],b=n[2],this.ctx.beginPath(),this.formatPath([new qv(v.end.x,v.end.y),new qv(b.start.x,b.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return Wd(this,void 0,void 0,(function(){var t;return Kd(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=Zf(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),s=new ub(e,null),r=new cb(s),db(s,r,r,o=[]),pb(s.container,o),t=r,[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}var s,r,o}))}))},t}(Mb),Fb=function(e){return e instanceof G_||(e instanceof j_||e instanceof H_&&"radio"!==e.type&&"checkbox"!==e.type)},Ib=function(e,t){switch(e){case 0:return rb(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return ob(t)}},Db=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},Sb=["-apple-system","system-ui"],Tb=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===Sb.indexOf(e)})):e},Rb=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),s.options=i,s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px",s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),s}return Gd(t,e),t.prototype.render=function(e){return Wd(this,void 0,void 0,(function(){var t,i;return Kd(this,(function(s){switch(s.label){case 0:return 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ay.isSupported()}static getWorkerFarm(e={}){return hy._workerFarm=hy._workerFarm||new hy({}),hy._workerFarm.setProps(e),hy._workerFarm}constructor(e){qb(this,"props",void 0),qb(this,"workerPools",new Map),this.props={...Ay},this.setProps(e),this.workerPools=new Map}destroy(){for(const e of this.workerPools.values())e.destroy();this.workerPools=new Map}setProps(e){this.props={...this.props,...e};for(const e of this.workerPools.values())e.setProps(this._getWorkerPoolProps())}getWorkerPool(e){const{name:t,source:i,url:s}=e;let r=this.workerPools.get(t);return r||(r=new ly({name:t,source:i,url:s}),r.setProps(this._getWorkerPoolProps()),this.workerPools.set(t,r)),r}_getWorkerPoolProps(){return{maxConcurrency:this.props.maxConcurrency,maxMobileConcurrency:this.props.maxMobileConcurrency,reuseWorkers:this.props.reuseWorkers,onDebug:this.props.onDebug}}}qb(hy,"_workerFarm",void 0);var cy=Object.freeze({__proto__:null,default:{}});const uy={};async function dy(e,t=null,i={}){return 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image");return{width:o,height:r,data:h,compressed:n,hasAlpha:s,format:a}}function TB(e,t){let i=e&&e.basis&&e.basis.format;return"auto"===i&&(i=RB()),"object"==typeof i&&(i=t?i.alpha:i.noAlpha),i=i.toLowerCase(),EB[i]}function RB(){const e=mB();return e.has("astc")?"astc-4x4":e.has("dxt")?{alpha:"bc3",noAlpha:"bc1"}:e.has("pvrtc")?{alpha:"pvrtc1-4-rgba",noAlpha:"pvrtc1-4-rgb"}:e.has("etc1")?"etc1":e.has("etc2")?"etc2":"rgb565"}const LB={...{name:"Basis",id:"basis",module:"textures",version:"3.2.6",worker:!0,extensions:["basis","ktx2"],mimeTypes:["application/octet-stream","image/ktx2"],tests:["sB"],binary:!0,options:{basis:{format:"auto",libraryPath:"libs/",containerFormat:"auto",module:"transcoder"}}},parse:async function(e,t){if("auto"===t.basis.containerFormat){if(function(e){const t=new Uint8Array(e);return!(t.byteLength<MB.length||t[0]!==MB[0]||t[1]!==MB[1]||t[2]!==MB[2]||t[3]!==MB[3]||t[4]!==MB[4]||t[5]!==MB[5]||t[6]!==MB[6]||t[7]!==MB[7]||t[8]!==MB[8]||t[9]!==MB[9]||t[10]!==MB[10]||t[11]!==MB[11])}(e)){return DB((await aB(t)).KTX2File,e,t)}const{BasisFile:i}=await nB(t);return FB(i,e,t)}if("encoder"===t.basis.module){const i=await aB(t);return"ktx2"===t.basis.containerFormat?DB(i.KTX2File,e,t):FB(i.BasisFile,e,t)}{const{BasisFile:i}=await nB(t);return FB(i,e,t)}}},{_parseImageNode:UB}=globalThis,OB="undefined"!=typeof Image,kB="undefined"!=typeof ImageBitmap,NB=Boolean(UB),QB=!!jb||NB;function VB(e){const t=function(e){if("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap)return"imagebitmap";if("undefined"!=typeof Image&&e instanceof Image)return"image";if(e&&"object"==typeof e&&e.data&&e.width&&e.height)return"data";return null}(e);if(!t)throw new Error("Not an image");return t}const HB=/^data:image\/svg\+xml/,jB=/\.svg((\?|#).*)?$/;function GB(e){return e&&(HB.test(e)||jB.test(e))}function zB(e,t){if(GB(t))throw new Error("SVG cannot be parsed directly to imagebitmap");return new Blob([new Uint8Array(e)])}async function WB(e,t,i){const s=function(e,t){if(GB(t)){let t=(new TextDecoder).decode(e);try{"function"==typeof unescape&&"function"==typeof encodeURIComponent&&(t=unescape(encodeURIComponent(t)))}catch(e){throw new Error(e.message)}return"data:image/svg+xml;base64,".concat(btoa(t))}return zB(e,t)}(e,i),r=self.URL||self.webkitURL,o="string"!=typeof s&&r.createObjectURL(s);try{return await async function(e,t){const i=new Image;if(i.src=e,t.image&&t.image.decode&&i.decode)return await i.decode(),i;return await new Promise(((t,s)=>{try{i.onload=()=>t(i),i.onerror=t=>s(new Error("Could not load image ".concat(e,": ").concat(t)))}catch(e){s(e)}}))}(o||s,t)}finally{o&&r.revokeObjectURL(o)}}const KB={};let XB=!0;async function JB(e,t,i){let s;if(GB(i)){s=await WB(e,t,i)}else s=zB(e,i);const r=t&&t.imagebitmap;return await async function(e,t=null){!function(e){for(const t in e||KB)return!1;return!0}(t)&&XB||(t=null);if(t)try{return await createImageBitmap(e,t)}catch(e){console.warn(e),XB=!1}return await createImageBitmap(e)}(s,r)}function YB(e){const t=ZB(e);return function(e){const t=ZB(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){const t=ZB(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;const{tableMarkers:i,sofMarkers:s}=function(){const e=new Set([65499,65476,65484,65501,65534]);for(let t=65504;t<65520;++t)e.add(t);const t=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:t}}();let r=2;for(;r+9<t.byteLength;){const e=t.getUint16(r,false);if(s.has(e))return{mimeType:"image/jpeg",height:t.getUint16(r+5,false),width:t.getUint16(r+7,false)};if(!i.has(e))return null;r+=2,r+=t.getUint16(r,false)}return null}(t)||function(e){const t=ZB(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){const t=ZB(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function ZB(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}const qB={id:"image",module:"images",name:"Images",version:"3.2.6",mimeTypes:["image/png","image/jpeg","image/gif","image/webp","image/bmp","image/vnd.microsoft.icon","image/svg+xml"],extensions:["png","jpg","jpeg","gif","webp","bmp","ico","svg"],parse:async function(e,t,i){const s=((t=t||{}).image||{}).type||"auto",{url:r}=i||{};let o;switch(function(e){switch(e){case"auto":case"data":return function(){if(kB)return"imagebitmap";if(OB)return"image";if(QB)return"data";throw new Error("Install '@loaders.gl/polyfills' to parse images under Node.js")}();default:return function(e){switch(e){case"auto":return kB||OB||QB;case"imagebitmap":return kB;case"image":return OB;case"data":return QB;default:throw new Error("@loaders.gl/images: image ".concat(e," not supported in this environment"))}}(e),e}}(s)){case"imagebitmap":o=await JB(e,t,r);break;case"image":o=await WB(e,t,r);break;case"data":o=await async function(e,t){const{mimeType:i}=YB(e)||{},s=globalThis._parseImageNode;return Hb(s),await s(e,i)}(e);break;default:Hb(!1)}return"data"===s&&(o=function(e){switch(VB(e)){case"data":return e;case"image":case"imagebitmap":const t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}(o)),o},tests:[e=>Boolean(YB(new DataView(e)))],options:{image:{type:"auto",decode:!0}}},$B=["image/png","image/jpeg","image/gif"],ew={};function tw(e){return void 0===ew[e]&&(ew[e]=function(e){switch(e){case"image/webp":return function(){if(!jb)return!1;try{return 0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch{return!1}}();case"image/svg":return jb;default:if(!jb){const{_parseImageNode:t}=globalThis;return Boolean(t)&&$B.includes(e)}return!0}}(e)),ew[e]}function iw(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function sw(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;const i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}const rw=["SCALAR","VEC2","VEC3","VEC4"],ow=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],nw=new Map(ow),aw={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},lw={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},Aw={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function hw(e){return rw[e-1]||rw[0]}function cw(e){const t=nw.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function uw(e,t){const i=Aw[e.componentType],s=aw[e.type],r=lw[e.componentType],o=e.count*s,n=e.count*s*r;return iw(n>=0&&n<=t.byteLength),{ArrayType:i,length:o,byteLength:n}}const dw={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]};class pw{constructor(e){qb(this,"gltf",void 0),qb(this,"sourceBuffers",void 0),qb(this,"byteLength",void 0),this.gltf=e||{json:{...dw},buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}get json(){return this.gltf.json}getApplicationData(e){return this.json[e]}getExtraData(e){return(this.json.extras||{})[e]}getExtension(e){const t=this.getUsedExtensions().find((t=>t===e)),i=this.json.extensions||{};return t?i[e]||!0:null}getRequiredExtension(e){const t=this.getRequiredExtensions().find((t=>t===e));return t?this.getExtension(e):null}getRequiredExtensions(){return this.json.extensionsRequired||[]}getUsedExtensions(){return this.json.extensionsUsed||[]}getObjectExtension(e,t){return(e.extensions||{})[t]}getScene(e){return this.getObject("scenes",e)}getNode(e){return this.getObject("nodes",e)}getSkin(e){return this.getObject("skins",e)}getMesh(e){return this.getObject("meshes",e)}getMaterial(e){return this.getObject("materials",e)}getAccessor(e){return this.getObject("accessors",e)}getTexture(e){return this.getObject("textures",e)}getSampler(e){return this.getObject("samplers",e)}getImage(e){return this.getObject("images",e)}getBufferView(e){return this.getObject("bufferViews",e)}getBuffer(e){return this.getObject("buffers",e)}getObject(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}getTypedArrayForBufferView(e){const t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];iw(i);const s=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,s,e.byteLength)}getTypedArrayForAccessor(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,{ArrayType:s,length:r}=uw(e,t);return new s(i,t.byteOffset+e.byteOffset,r)}getTypedArrayForImageData(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,s=t.byteOffset||0;return new Uint8Array(i,s,t.byteLength)}addApplicationData(e,t){return this.json[e]=t,this}addExtraData(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}addObjectExtension(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}setObjectExtension(e,t,i){(e.extensions||{})[t]=i}removeObjectExtension(e,t){const i=e.extensions||{},s=i[t];return delete i[t],s}addExtension(e,t={}){return iw(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}addRequiredExtension(e,t={}){return iw(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}registerUsedExtension(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((t=>t===e))||this.json.extensionsUsed.push(e)}registerRequiredExtension(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((t=>t===e))||this.json.extensionsRequired.push(e)}removeExtension(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}setDefaultScene(e){this.json.scene=e}addScene(e){const{nodeIndices:t}=e;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}addNode(e){const{meshIndex:t,matrix:i}=e;this.json.nodes=this.json.nodes||[];const s={mesh:t};return i&&(s.matrix=i),this.json.nodes.push(s),this.json.nodes.length-1}addMesh(e){const{attributes:t,indices:i,material:s,mode:r=4}=e,o={primitives:[{attributes:this._addAttributes(t),mode:r}]};if(i){const e=this._addIndices(i);o.primitives[0].indices=e}return Number.isFinite(s)&&(o.primitives[0].material=s),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}addPointCloud(e){const t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}addImage(e,t){const i=YB(e),s=t||(null==i?void 0:i.mimeType),r={bufferView:this.addBufferView(e),mimeType:s};return this.json.images=this.json.images||[],this.json.images.push(r),this.json.images.length-1}addBufferView(e){const t=e.byteLength;iw(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);const i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=yy(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}addAccessor(e,t){const i={bufferView:e,type:hw(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}addBinaryBuffer(e,t={size:3}){const i=this.addBufferView(e);let s={min:t.min,max:t.max};s.min&&s.max||(s=this._getAccessorMinMax(e,t.size));const r={size:t.size,componentType:cw(e),count:Math.round(e.length/t.size),min:s.min,max:s.max};return this.addAccessor(i,Object.assign(r,t))}addTexture(e){const{imageIndex:t}=e,i={source:t};return this.json.textures=this.json.textures||[],this.json.textures.push(i),this.json.textures.length-1}addMaterial(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}createBinaryChunk(){var e,t;this.gltf.buffers=[];const i=this.byteLength,s=new ArrayBuffer(i),r=new Uint8Array(s);let o=0;for(const e of this.sourceBuffers||[])o=xy(e,r,o);null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=i:this.json.buffers=[{byteLength:i}],this.gltf.binary=s,this.sourceBuffers=[s]}_removeStringFromArray(e,t){let i=!0;for(;i;){const s=e.indexOf(t);s>-1?e.splice(s,1):i=!1}}_addAttributes(e={}){const t={};for(const i in e){const s=e[i],r=this._getGltfAttributeName(i),o=this.addBinaryBuffer(s.value,s);t[r]=o}return t}_addIndices(e){return this.addBinaryBuffer(e,{size:1})}_getGltfAttributeName(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}_getAccessorMinMax(e,t){const i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];const s=e.subarray(0,t);for(const e of s)i.min.push(e),i.max.push(e);for(let s=t;s<e.length;s+=t)for(let r=0;r<t;r++)i.min[0+r]=Math.min(i.min[0+r],e[s+r]),i.max[0+r]=Math.max(i.max[0+r],e[s+r]);return i}}const fw="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",gw="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this.type&&this.type.typeId}clone(){return new Iw(this.name,this.type,this.nullable,this.metadata)}compareTo(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}toString(){return"".concat(this.type).concat(this.nullable?", nullable":"").concat(this.metadata?", metadata: ".concat(this.metadata):"")}}let Dw,Sw,Tw,Rw;!function(e){e[e.NONE=0]="NONE",e[e.Null=1]="Null",e[e.Int=2]="Int",e[e.Float=3]="Float",e[e.Binary=4]="Binary",e[e.Utf8=5]="Utf8",e[e.Bool=6]="Bool",e[e.Decimal=7]="Decimal",e[e.Date=8]="Date",e[e.Time=9]="Time",e[e.Timestamp=10]="Timestamp",e[e.Interval=11]="Interval",e[e.List=12]="List",e[e.Struct=13]="Struct",e[e.Union=14]="Union",e[e.FixedSizeBinary=15]="FixedSizeBinary",e[e.FixedSizeList=16]="FixedSizeList",e[e.Map=17]="Map",e[e.Dictionary=-1]="Dictionary",e[e.Int8=-2]="Int8",e[e.Int16=-3]="Int16",e[e.Int32=-4]="Int32",e[e.Int64=-5]="Int64",e[e.Uint8=-6]="Uint8",e[e.Uint16=-7]="Uint16",e[e.Uint32=-8]="Uint32",e[e.Uint64=-9]="Uint64",e[e.Float16=-10]="Float16",e[e.Float32=-11]="Float32",e[e.Float64=-12]="Float64",e[e.DateDay=-13]="DateDay",e[e.DateMillisecond=-14]="DateMillisecond",e[e.TimestampSecond=-15]="TimestampSecond",e[e.TimestampMillisecond=-16]="TimestampMillisecond",e[e.TimestampMicrosecond=-17]="TimestampMicrosecond",e[e.TimestampNanosecond=-18]="TimestampNanosecond",e[e.TimeSecond=-19]="TimeSecond",e[e.TimeMillisecond=-20]="TimeMillisecond",e[e.TimeMicrosecond=-21]="TimeMicrosecond",e[e.TimeNanosecond=-22]="TimeNanosecond",e[e.DenseUnion=-23]="DenseUnion",e[e.SparseUnion=-24]="SparseUnion",e[e.IntervalDayTime=-25]="IntervalDayTime",e[e.IntervalYearMonth=-26]="IntervalYearMonth"}(Dw||(Dw={}));class Lw{static isNull(e){return e&&e.typeId===Dw.Null}static isInt(e){return e&&e.typeId===Dw.Int}static isFloat(e){return e&&e.typeId===Dw.Float}static isBinary(e){return e&&e.typeId===Dw.Binary}static isUtf8(e){return e&&e.typeId===Dw.Utf8}static isBool(e){return e&&e.typeId===Dw.Bool}static isDecimal(e){return e&&e.typeId===Dw.Decimal}static isDate(e){return e&&e.typeId===Dw.Date}static isTime(e){return e&&e.typeId===Dw.Time}static isTimestamp(e){return e&&e.typeId===Dw.Timestamp}static isInterval(e){return e&&e.typeId===Dw.Interval}static isList(e){return e&&e.typeId===Dw.List}static isStruct(e){return e&&e.typeId===Dw.Struct}static isUnion(e){return e&&e.typeId===Dw.Union}static isFixedSizeBinary(e){return e&&e.typeId===Dw.FixedSizeBinary}static isFixedSizeList(e){return e&&e.typeId===Dw.FixedSizeList}static isMap(e){return e&&e.typeId===Dw.Map}static isDictionary(e){return e&&e.typeId===Dw.Dictionary}get typeId(){return Dw.NONE}compareTo(e){return this===e}}Sw=Symbol.toStringTag;class Uw extends Lw{constructor(e,t){super(),qb(this,"isSigned",void 0),qb(this,"bitWidth",void 0),this.isSigned=e,this.bitWidth=t}get typeId(){return Dw.Int}get[Sw](){return"Int"}toString(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}class Ow extends Uw{constructor(){super(!0,8)}}class kw extends Uw{constructor(){super(!0,16)}}class Nw extends Uw{constructor(){super(!0,32)}}class Qw extends Uw{constructor(){super(!1,8)}}class Vw extends Uw{constructor(){super(!1,16)}}class Hw extends Uw{constructor(){super(!1,32)}}const jw=32,Gw=64;Tw=Symbol.toStringTag;class zw extends Lw{constructor(e){super(),qb(this,"precision",void 0),this.precision=e}get typeId(){return Dw.Float}get[Tw](){return"Float"}toString(){return"Float".concat(this.precision)}}class Ww extends zw{constructor(){super(jw)}}class Kw extends zw{constructor(){super(Gw)}}Rw=Symbol.toStringTag;class Xw extends Lw{constructor(e,t){super(),qb(this,"listSize",void 0),qb(this,"children",void 0),this.listSize=e,this.children=[t]}get typeId(){return Dw.FixedSizeList}get valueType(){return this.children[0].type}get valueField(){return this.children[0]}get[Rw](){return"FixedSizeList"}toString(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">")}}function Jw(e,t,i){const s=function(e){switch(e.constructor){case Int8Array:return new Ow;case Uint8Array:return new Qw;case Int16Array:return new kw;case Uint16Array:return new Vw;case Int32Array:return new Nw;case Uint32Array:return new Hw;case Float32Array:return new Ww;case Float64Array:return new Kw;default:throw new Error("array type not supported")}}(t.value),r=i||function(e){const t=new Map;"byteOffset"in e&&t.set("byteOffset",e.byteOffset.toString(10));"byteStride"in e&&t.set("byteStride",e.byteStride.toString(10));"normalized"in e&&t.set("normalized",e.normalized.toString());return t}(t);return new Iw(e,new Xw(t.size,new Iw("value",s)),!1,r)}function Yw(e,t,i){return Jw(e,t,i?Zw(i.metadata):void 0)}function Zw(e){const t=new Map;for(const i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}const qw={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},$w={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array};class eP{constructor(e){qb(this,"draco",void 0),qb(this,"decoder",void 0),qb(this,"metadataQuerier",void 0),this.draco=e,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(e,t={}){const i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);const s=this.decoder.GetEncodedGeometryType(i),r=s===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let e;switch(s){case this.draco.TRIANGULAR_MESH:e=this.decoder.DecodeBufferToMesh(i,r);break;case this.draco.POINT_CLOUD:e=this.decoder.DecodeBufferToPointCloud(i,r);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!e.ok()||!r.ptr){const t="DRACO decompression failed: ".concat(e.error_msg());throw new Error(t)}const o=this._getDracoLoaderData(r,s,t),n=this._getMeshData(r,o,t),a=function(e){let t=1/0,i=1/0,s=1/0,r=-1/0,o=-1/0,n=-1/0;const a=e.POSITION?e.POSITION.value:[],l=a&&a.length;for(let e=0;e<l;e+=3){const l=a[e],A=a[e+1],h=a[e+2];t=l<t?l:t,i=A<i?A:i,s=h<s?h:s,r=l>r?l:r,o=A>o?A:o,n=h>n?h:n}return[[t,i,s],[r,o,n]]}(n.attributes),l=function(e,t,i){const s=Zw(t.metadata),r=[],o=function(e){const t={};for(const i in e){const s=e[i];t[s.name||"undefined"]=s}return t}(t.attributes);for(const t in e){const i=Yw(t,e[t],o[t]);r.push(i)}if(i){const e=Yw("indices",i);r.push(e)}return new Ew(r,s)}(n.attributes,o,n.indices);return{loader:"draco",loaderData:o,header:{vertexCount:r.num_points(),boundingBox:a},...n,schema:l}}finally{this.draco.destroy(i),r&&this.draco.destroy(r)}}_getDracoLoaderData(e,t,i){const s=this._getTopLevelMetadata(e),r=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:s,attributes:r}}_getDracoAttributes(e,t){const i={};for(let s=0;s<e.num_attributes();s++){const r=this.decoder.GetAttribute(e,s),o=this._getAttributeMetadata(e,s);i[r.unique_id()]={unique_id:r.unique_id(),attribute_type:r.attribute_type(),data_type:r.data_type(),num_components:r.num_components(),byte_offset:r.byte_offset(),byte_stride:r.byte_stride(),normalized:r.normalized(),attribute_index:s,metadata:o};const n=this._getQuantizationTransform(r,t);n&&(i[r.unique_id()].quantization_transform=n);const a=this._getOctahedronTransform(r,t);a&&(i[r.unique_id()].octahedron_transform=a)}return i}_getMeshData(e,t,i){const s=this._getMeshAttributes(t,e,i);if(!s.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:s,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:s,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:s}}_getMeshAttributes(e,t,i){const s={};for(const r of Object.values(e.attributes)){const e=this._deduceAttributeName(r,i);r.name=e;const{value:o,size:n}=this._getAttributeValues(t,r);s[e]={value:o,size:n,byteOffset:r.byte_offset,byteStride:r.byte_stride,normalized:r.normalized}}return s}_getTriangleListIndices(e){const t=3*e.num_faces(),i=4*t,s=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,s),new Uint32Array(this.draco.HEAPF32.buffer,s,t).slice()}finally{this.draco._free(s)}}_getTriangleStripIndices(e){const t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(t)}finally{this.draco.destroy(t)}}_getAttributeValues(e,t){const i=$w[t.data_type],s=t.num_components,r=e.num_points()*s,o=r*i.BYTES_PER_ELEMENT,n=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,i);let a;const l=this.draco._malloc(o);try{const s=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,s,n,o,l),a=new i(this.draco.HEAPF32.buffer,l,r).slice()}finally{this.draco._free(l)}return{value:a,size:s}}_deduceAttributeName(e,t){const i=e.unique_id;for(const[e,s]of Object.entries(t.extraAttributes||{}))if(s===i)return e;const s=e.attribute_type;for(const e in qw){if(this.draco[e]===s)return qw[e]}const r=t.attributeNameEntry||"name";return e.metadata[r]?e.metadata[r].string:"CUSTOM_ATTRIBUTE_".concat(i)}_getTopLevelMetadata(e){const t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}_getAttributeMetadata(e,t){const i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}_getDracoMetadata(e){if(!e||!e.ptr)return{};const t={},i=this.metadataQuerier.NumEntries(e);for(let s=0;s<i;s++){const i=this.metadataQuerier.GetEntryName(e,s);t[i]=this._getDracoMetadataField(e,i)}return t}_getDracoMetadataField(e,t){const i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);const s=function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:s}}finally{this.draco.destroy(i)}}_disableAttributeTransforms(e){const{quantizedAttributes:t=[],octahedronAttributes:i=[]}=e,s=[...t,...i];for(const e of s)this.decoder.SkipAttributeTransform(this.draco[e])}_getQuantizationTransform(e,t){const{quantizedAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits(),range:t.range(),min_values:new Float32Array([1,2,3]).map((e=>t.min_value(e)))}}finally{this.draco.destroy(t)}}return null}_getOctahedronTransform(e,t){const{octahedronAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits()}}finally{this.draco.destroy(t)}}return null}}const tP="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),iP="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),sP="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");let rP;async function oP(e){const t=e.modules||{};return rP=t.draco3d?rP||t.draco3d.createDecoderModule({}).then((e=>({draco:e}))):rP||async function(e){let t,i;if("js"===(e.draco&&e.draco.decoderType))t=await dy(tP,"draco",e);else[t,i]=await Promise.all([await dy(iP,"draco",e),await dy(sP,"draco",e)]);return t=t||globalThis.DracoDecoderModule,await function(e,t){const i={};t&&(i.wasmBinary=t);return new Promise((t=>{e({...i,onModuleLoaded:e=>t({draco:e})})}))}(t,i)}(e),await rP}const nP={...Mw,parse:async function(e,t){const{draco:i}=await oP(t),s=new eP(i);try{return s.parseSync(e,null==t?void 0:t.draco)}finally{s.destroy()}}};function aP(e){const{buffer:t,size:i,count:s}=function(e){let t=e,i=1,s=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t,i=!1){if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),s=t.length/i);return{buffer:t,size:i,count:s}}(e);return{value:t,size:i,byteOffset:0,count:s,type:hw(i),componentType:cw(t)}}async function lP(e,t,i,s){const r=e.getObjectExtension(t,"KHR_draco_mesh_compression");if(!r)return;const o=e.getTypedArrayForBufferView(r.bufferView),n=by(o.buffer,o.byteOffset),{parse:a}=s,l={...i};delete l["3d-tiles"];const A=await a(n,nP,l,s),h=function(e){const t={};for(const i in e){const s=e[i];if("indices"!==i){const e=aP(s);t[i]=e}}return t}(A.attributes);for(const[i,s]of Object.entries(h))if(i in t.attributes){const r=t.attributes[i],o=e.getAccessor(r);null!=o&&o.min&&null!=o&&o.max&&(s.min=o.min,s.max=o.max)}t.attributes=h,A.indices&&(t.indices=aP(A.indices)),function(e){if(!e.attributes&&Object.keys(e.attributes).length>0)throw new Error("glTF: Empty primitive detected: Draco decompression failure?")}(t)}function AP(e,t,i=4,s,r){var o;if(!s.DracoWriter)throw new Error("options.gltf.DracoWriter not provided");const n=s.DracoWriter.encodeSync({attributes:e}),a=null==r||null===(o=r.parseSync)||void 0===o?void 0:o.call(r,{attributes:e}),l=s._addFauxAttributes(a.attributes);return{primitives:[{attributes:l,mode:i,extensions:{KHR_draco_mesh_compression:{bufferView:s.addBufferView(n),attributes:l}}}]}}function*hP(e){for(const t of e.json.meshes||[])for(const e of t.primitives)yield e}var cP=Object.freeze({__proto__:null,name:"KHR_draco_mesh_compression",preprocess:function(e,t,i){const s=new pw(e);for(const e of hP(s))s.getObjectExtension(e,"KHR_draco_mesh_compression")},decode:async function(e,t,i){var s;if(null==t||null===(s=t.gltf)||void 0===s||!s.decompressMeshes)return;const r=new pw(e),o=[];for(const e of hP(r))r.getObjectExtension(e,"KHR_draco_mesh_compression")&&o.push(lP(r,e,t,i));await Promise.all(o),r.removeExtension("KHR_draco_mesh_compression")},encode:function(e,t={}){const i=new pw(e);for(const e of i.json.meshes||[])AP(e),i.addRequiredExtension("KHR_draco_mesh_compression")}});var uP=Object.freeze({__proto__:null,name:"KHR_lights_punctual",decode:async function(e){const t=new pw(e),{json:i}=t,s=t.getExtension("KHR_lights_punctual");s&&(t.json.lights=s.lights,t.removeExtension("KHR_lights_punctual"));for(const e of i.nodes||[]){const i=t.getObjectExtension(e,"KHR_lights_punctual");i&&(e.light=i.light),t.removeObjectExtension(e,"KHR_lights_punctual")}},encode:async function(e){const t=new pw(e),{json:i}=t;if(i.lights){const e=t.addExtension("KHR_lights_punctual");iw(!e.lights),e.lights=i.lights,delete i.lights}if(t.json.lights){for(const e of t.json.lights){const i=e.node;t.addObjectExtension(i,"KHR_lights_punctual",e)}delete t.json.lights}}});function dP(e,t){const i=Object.assign({},e.values);return Object.keys(e.uniforms||{}).forEach((t=>{e.uniforms[t].value&&!(t in i)&&(i[t]=e.uniforms[t].value)})),Object.keys(i).forEach((e=>{"object"==typeof i[e]&&void 0!==i[e].index&&(i[e].texture=t.getTexture(i[e].index))})),i}const pP=[ww,Pw,Cw,cP,uP,Object.freeze({__proto__:null,name:"KHR_materials_unlit",decode:async function(e){const t=new pw(e),{json:i}=t;t.removeExtension("KHR_materials_unlit");for(const e of i.materials||[]){e.extensions&&e.extensions.KHR_materials_unlit&&(e.unlit=!0),t.removeObjectExtension(e,"KHR_materials_unlit")}},encode:function(e){const t=new pw(e),{json:i}=t;if(t.materials)for(const e of i.materials||[])e.unlit&&(delete e.unlit,t.addObjectExtension(e,"KHR_materials_unlit",{}),t.addExtension("KHR_materials_unlit"))}}),Object.freeze({__proto__:null,name:"KHR_techniques_webgl",decode:async function(e){const t=new pw(e),{json:i}=t,s=t.getExtension("KHR_techniques_webgl");if(s){const e=function(e,t){const{programs:i=[],shaders:s=[],techniques:r=[]}=e,o=new TextDecoder;return s.forEach((e=>{if(!Number.isFinite(e.bufferView))throw new Error("KHR_techniques_webgl: no shader code");e.code=o.decode(t.getTypedArrayForBufferView(e.bufferView))})),i.forEach((e=>{e.fragmentShader=s[e.fragmentShader],e.vertexShader=s[e.vertexShader]})),r.forEach((e=>{e.program=i[e.program]})),r}(s,t);for(const s of i.materials||[]){const i=t.getObjectExtension(s,"KHR_techniques_webgl");i&&(s.technique=Object.assign({},i,e[i.technique]),s.technique.values=dP(s.technique,t)),t.removeObjectExtension(s,"KHR_techniques_webgl")}t.removeExtension("KHR_techniques_webgl")}},encode:async function(e,t){}})];function fP(e,t){var i;const s=(null==t||null===(i=t.gltf)||void 0===i?void 0:i.excludeExtensions)||{};return!(e in s&&!s[e])}const gP={accessors:"accessor",animations:"animation",buffers:"buffer",bufferViews:"bufferView",images:"image",materials:"material",meshes:"mesh",nodes:"node",samplers:"sampler",scenes:"scene",skins:"skin",textures:"texture"},mP={accessor:"accessors",animations:"animation",buffer:"buffers",bufferView:"bufferViews",image:"images",material:"materials",mesh:"meshes",node:"nodes",sampler:"samplers",scene:"scenes",skin:"skins",texture:"textures"};class _P{constructor(){qb(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}}),qb(this,"json",void 0)}normalize(e,t){this.json=e.json;const i=e.json;switch(i.asset&&i.asset.version){case"2.0":return;case void 0:case"1.0":break;default:return void console.warn("glTF: Unknown version ".concat(i.asset.version))}if(!t.normalize)throw new Error("glTF v1 is not supported.");console.warn("Converting glTF v1 to glTF v2 format. This is experimental and may fail."),this._addAsset(i),this._convertTopLevelObjectsToArrays(i),function(e){const t=new pw(e),{json:i}=t;for(const e of i.images||[]){const i=t.getObjectExtension(e,"KHR_binary_glTF");i&&Object.assign(e,i),t.removeObjectExtension(e,"KHR_binary_glTF")}i.buffers&&i.buffers[0]&&delete i.buffers[0].uri,t.removeExtension("KHR_binary_glTF")}(e),this._convertObjectIdsToArrayIndices(i),this._updateObjects(i),this._updateMaterial(i)}_addAsset(e){e.asset=e.asset||{},e.asset.version="2.0",e.asset.generator=e.asset.generator||"Normalized to glTF 2.0 by loaders.gl"}_convertTopLevelObjectsToArrays(e){for(const t in gP)this._convertTopLevelObjectToArray(e,t)}_convertTopLevelObjectToArray(e,t){const i=e[t];if(i&&!Array.isArray(i)){e[t]=[];for(const s in i){const r=i[s];r.id=r.id||s;const o=e[t].length;e[t].push(r),this.idToIndexMap[t][s]=o}}}_convertObjectIdsToArrayIndices(e){for(const t in gP)this._convertIdsToIndices(e,t);"scene"in e&&(e.scene=this._convertIdToIndex(e.scene,"scene"));for(const t of e.textures)this._convertTextureIds(t);for(const t of e.meshes)this._convertMeshIds(t);for(const t of e.nodes)this._convertNodeIds(t);for(const t of e.scenes)this._convertSceneIds(t)}_convertTextureIds(e){e.source&&(e.source=this._convertIdToIndex(e.source,"image"))}_convertMeshIds(e){for(const t of e.primitives){const{attributes:e,indices:i,material:s}=t;for(const t in e)e[t]=this._convertIdToIndex(e[t],"accessor");i&&(t.indices=this._convertIdToIndex(i,"accessor")),s&&(t.material=this._convertIdToIndex(s,"material"))}}_convertNodeIds(e){e.children&&(e.children=e.children.map((e=>this._convertIdToIndex(e,"node")))),e.meshes&&(e.meshes=e.meshes.map((e=>this._convertIdToIndex(e,"mesh"))))}_convertSceneIds(e){e.nodes&&(e.nodes=e.nodes.map((e=>this._convertIdToIndex(e,"node"))))}_convertIdsToIndices(e,t){e[t]||(console.warn("gltf v1: json doesn't contain attribute ".concat(t)),e[t]=[]);for(const i of e[t])for(const e in i){const t=i[e],s=this._convertIdToIndex(t,e);i[e]=s}}_convertIdToIndex(e,t){const i=mP[t];if(i in this.idToIndexMap){const s=this.idToIndexMap[i][e];if(!Number.isFinite(s))throw new Error("gltf v1: failed to resolve ".concat(t," with id ").concat(e));return s}return e}_updateObjects(e){for(const e of this.json.buffers)delete e.type}_updateMaterial(e){for(const s of e.materials){var t,i;s.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};const r=(null===(t=s.values)||void 0===t?void 0:t.tex)||(null===(i=s.values)||void 0===i?void 0:i.texture2d_0),o=e.textures.findIndex((e=>e.id===r));-1!==o&&(s.pbrMetallicRoughness.baseColorTexture={index:o})}}}const vP={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},bP={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},yP=10240,xP=10241,BP=10242,wP=10243,PP=10497,CP={magFilter:yP,minFilter:xP,wrapS:BP,wrapT:wP},MP={[yP]:9729,[xP]:9986,[BP]:PP,[wP]:PP};class EP{constructor(){qb(this,"baseUri",""),qb(this,"json",{}),qb(this,"buffers",[]),qb(this,"images",[])}postProcess(e,t={}){const{json:i,buffers:s=[],images:r=[],baseUri:o=""}=e;return iw(i),this.baseUri=o,this.json=i,this.buffers=s,this.images=r,this._resolveTree(this.json,t),this.json}_resolveTree(e,t={}){e.bufferViews&&(e.bufferViews=e.bufferViews.map(((e,t)=>this._resolveBufferView(e,t)))),e.images&&(e.images=e.images.map(((e,t)=>this._resolveImage(e,t)))),e.samplers&&(e.samplers=e.samplers.map(((e,t)=>this._resolveSampler(e,t)))),e.textures&&(e.textures=e.textures.map(((e,t)=>this._resolveTexture(e,t)))),e.accessors&&(e.accessors=e.accessors.map(((e,t)=>this._resolveAccessor(e,t)))),e.materials&&(e.materials=e.materials.map(((e,t)=>this._resolveMaterial(e,t)))),e.meshes&&(e.meshes=e.meshes.map(((e,t)=>this._resolveMesh(e,t)))),e.nodes&&(e.nodes=e.nodes.map(((e,t)=>this._resolveNode(e,t)))),e.skins&&(e.skins=e.skins.map(((e,t)=>this._resolveSkin(e,t)))),e.scenes&&(e.scenes=e.scenes.map(((e,t)=>this._resolveScene(e,t)))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene])}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];return i||console.warn("glTF file error: Could not find ".concat(e,"[").concat(t,"]")),i}_resolveScene(e,t){return e.id=e.id||"scene-".concat(t),e.nodes=(e.nodes||[]).map((e=>this.getNode(e))),e}_resolveNode(e,t){return e.id=e.id||"node-".concat(t),e.children&&(e.children=e.children.map((e=>this.getNode(e)))),void 0!==e.mesh?e.mesh=this.getMesh(e.mesh):void 0!==e.meshes&&e.meshes.length&&(e.mesh=e.meshes.reduce(((e,t)=>{const i=this.getMesh(t);return e.id=i.id,e.primitives=e.primitives.concat(i.primitives),e}),{primitives:[]})),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin)),e}_resolveSkin(e,t){return e.id=e.id||"skin-".concat(t),e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices),e}_resolveMesh(e,t){return e.id=e.id||"mesh-".concat(t),e.primitives&&(e.primitives=e.primitives.map((e=>{const t=(e={...e}).attributes;e.attributes={};for(const i in t)e.attributes[i]=this.getAccessor(t[i]);return void 0!==e.indices&&(e.indices=this.getAccessor(e.indices)),void 0!==e.material&&(e.material=this.getMaterial(e.material)),e}))),e}_resolveMaterial(e,t){if(e.id=e.id||"material-".concat(t),e.normalTexture&&(e.normalTexture={...e.normalTexture},e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlustionTexture={...e.occlustionTexture},e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emmisiveTexture={...e.emmisiveTexture},e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.emissiveFactor||(e.emissiveFactor=e.emmisiveTexture?[1,1,1]:[0,0,0]),e.pbrMetallicRoughness){e.pbrMetallicRoughness={...e.pbrMetallicRoughness};const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture={...t.baseColorTexture},t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture={...t.metallicRoughnessTexture},t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}return e}_resolveAccessor(e,t){var i,s;if(e.id=e.id||"accessor-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=(i=e.componentType,bP[i]),e.components=(s=e.type,vP[s]),e.bytesPerElement=e.bytesPerComponent*e.components,e.bufferView){const t=e.bufferView.buffer,{ArrayType:i,byteLength:s}=uw(e,e.bufferView),r=(e.bufferView.byteOffset||0)+(e.byteOffset||0)+t.byteOffset;let o=t.arrayBuffer.slice(r,r+s);e.bufferView.byteStride&&(o=this._getValueFromInterleavedBuffer(t,r,e.bufferView.byteStride,e.bytesPerElement,e.count)),e.value=new i(o)}return e}_getValueFromInterleavedBuffer(e,t,i,s,r){const o=new Uint8Array(r*s);for(let n=0;n<r;n++){const r=t+n*i;o.set(new Uint8Array(e.arrayBuffer.slice(r,r+s)),n*s)}return o.buffer}_resolveTexture(e,t){return e.id=e.id||"texture-".concat(t),e.sampler="sampler"in e?this.getSampler(e.sampler):MP,e.source=this.getImage(e.source),e}_resolveSampler(e,t){e.id=e.id||"sampler-".concat(t),e.parameters={};for(const t in e){const i=this._enumSamplerParameter(t);void 0!==i&&(e.parameters[i]=e[t])}return e}_enumSamplerParameter(e){return CP[e]}_resolveImage(e,t){e.id=e.id||"image-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView));const i=this.images[t];return i&&(e.image=i),e}_resolveBufferView(e,t){const i=e.buffer,s={id:"bufferView-".concat(t),...e,buffer:this.buffers[i]},r=this.buffers[i].arrayBuffer;let o=this.buffers[i].byteOffset||0;return"byteOffset"in e&&(o+=e.byteOffset),s.data=new Uint8Array(r,o,e.byteLength),s}_resolveCamera(e,t){return e.id=e.id||"camera-".concat(t),e.perspective,e.orthographic,e}}const FP=1735152710,IP=!0;function DP(e,t,i=0,s={}){const r=new DataView(t),o=function(e,t=0){return"".concat(String.fromCharCode(e.getUint8(t+0))).concat(String.fromCharCode(e.getUint8(t+1))).concat(String.fromCharCode(e.getUint8(t+2))).concat(String.fromCharCode(e.getUint8(t+3)))}(r,i+0),n=r.getUint32(i+4,IP),a=r.getUint32(i+8,IP);switch(Object.assign(e,{header:{byteOffset:i,byteLength:a,hasBinChunk:!1},type:o,version:n,json:{},binChunks:[]}),i+=12,e.version){case 1:return function(e,t,i){Hb(e.header.byteLength>20);const s=t.getUint32(i+0,IP),r=t.getUint32(i+4,IP);return i+=8,Hb(0===r),SP(e,t,i,s),i+=s,i+=TP(e,t,i,e.header.byteLength)}(e,r,i);case 2:return function(e,t,i,s){return Hb(e.header.byteLength>20),function(e,t,i,s){for(;i+8<=e.header.byteLength;){const r=t.getUint32(i+0,IP),o=t.getUint32(i+4,IP);switch(i+=8,o){case 1313821514:SP(e,t,i,r);break;case 5130562:TP(e,t,i,r);break;case 0:s.strict||SP(e,t,i,r);break;case 1:s.strict||TP(e,t,i,r)}i+=yy(r,4)}}(e,t,i,s),i+e.header.byteLength}(e,r,i,{});default:throw new Error("Invalid GLB version ".concat(e.version,". Only supports v1 and v2."))}}function SP(e,t,i,s){const r=new Uint8Array(t.buffer,i,s),o=new TextDecoder("utf8").decode(r);return e.json=JSON.parse(o),yy(s,4)}function TP(e,t,i,s){return e.header.hasBinChunk=!0,e.binChunks.push({byteOffset:i,byteLength:s,arrayBuffer:t.buffer}),yy(s,4)}async function RP(e,t,i=0,s,r){var o,n,a,l;!function(e,t,i,s){s.uri&&(e.baseUri=s.uri);if(t instanceof ArrayBuffer&&!function(e,t=0,i={}){const s=new DataView(e),{magic:r=FP}=i,o=s.getUint32(t,!1);return o===r||o===FP}(t,i,s)){t=(new TextDecoder).decode(t)}if("string"==typeof t)e.json=my(t);else if(t instanceof ArrayBuffer){const r={};i=DP(r,t,i,s.glb),iw("glTF"===r.type,"Invalid GLB magic string ".concat(r.type)),e._glb=r,e.json=r.json}else iw(!1,"GLTF: must be ArrayBuffer or string");const r=e.json.buffers||[];if(e.buffers=new Array(r.length).fill(null),e._glb&&e._glb.header.hasBinChunk){const{binChunks:t}=e._glb;e.buffers[0]={arrayBuffer:t[0].arrayBuffer,byteOffset:t[0].byteOffset,byteLength:t[0].byteLength}}const o=e.json.images||[];e.images=new Array(o.length).fill({})}(e,t,i,s),function(e,t={}){(new _P).normalize(e,t)}(e,{normalize:null==s||null===(o=s.gltf)||void 0===o?void 0:o.normalize}),function(e,t={},i){const s=pP.filter((e=>fP(e.name,t)));for(const o of s){var r;null===(r=o.preprocess)||void 0===r||r.call(o,e,t,i)}}(e,s,r);const A=[];if(null!=s&&null!==(n=s.gltf)&&void 0!==n&&n.loadBuffers&&e.json.buffers&&await async function(e,t,i){const s=e.json.buffers||[];for(let n=0;n<s.length;++n){const a=s[n];if(a.uri){var r,o;const{fetch:s}=i;iw(s);const l=sw(a.uri,t),A=await(null==i||null===(r=i.fetch)||void 0===r?void 0:r.call(i,l)),h=await(null==A||null===(o=A.arrayBuffer)||void 0===o?void 0:o.call(A));e.buffers[n]={arrayBuffer:h,byteOffset:0,byteLength:h.byteLength},delete a.uri}else null===e.buffers[n]&&(e.buffers[n]={arrayBuffer:new ArrayBuffer(a.byteLength),byteOffset:0,byteLength:a.byteLength})}}(e,s,r),null!=s&&null!==(a=s.gltf)&&void 0!==a&&a.loadImages){const t=async function(e,t,i){const s=function(e){const t=new Set,i=e.json.textures||[];for(const e of i)void 0!==e.source&&t.add(e.source);return Array.from(t).sort()}(e),r=e.json.images||[],o=[];for(const n of s)o.push(LP(e,r[n],n,t,i));return await Promise.all(o)}(e,s,r);A.push(t)}const h=async function(e,t={},i){const s=pP.filter((e=>fP(e.name,t)));for(const o of s){var r;await(null===(r=o.decode)||void 0===r?void 0:r.call(o,e,t,i))}}(e,s,r);return A.push(h),await Promise.all(A),null!=s&&null!==(l=s.gltf)&&void 0!==l&&l.postProcess?function(e,t){return(new EP).postProcess(e,t)}(e,s):e}async function LP(e,t,i,s,r){const{fetch:o,parse:n}=r;let a;if(t.uri){const e=sw(t.uri,s),i=await o(e);a=await i.arrayBuffer()}if(Number.isFinite(t.bufferView)){const i=function(e,t,i){const s=e.bufferViews[i];iw(s);const r=t[s.buffer];iw(r);const o=(s.byteOffset||0)+r.byteOffset;return new Uint8Array(r.arrayBuffer,o,s.byteLength)}(e.json,e.buffers,t.bufferView);a=by(i.buffer,i.byteOffset,i.byteLength)}iw(a,"glTF image has no data");let l=await n(a,[qB,LB],{mimeType:t.mimeType,basis:s.basis||{format:RB()}},r);l&&l[0]&&(l={compressed:!0,mipmaps:!1,width:l[0].width,height:l[0].height,data:l[0]}),e.images=e.images||[],e.images[i]=l}const UP={name:"glTF",id:"gltf",module:"gltf",version:"3.2.6",extensions:["gltf","glb"],mimeTypes:["model/gltf+json","model/gltf-binary"],text:!0,binary:!0,tests:["glTF"],parse:async function(e,t={},i){(t={...UP.options,...t}).gltf={...UP.options.gltf,...t.gltf};const{byteOffset:s=0}=t;return await RP({},e,s,t,i)},options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0,postProcess:!0},log:console},deprecatedOptions:{fetchImages:"gltf.loadImages",createImages:"gltf.loadImages",decompress:"gltf.decompressMeshes",postProcess:"gltf.postProcess",gltf:{decompress:"gltf.decompressMeshes"}}};class OP{constructor(e){}load(e,t,i,s,r,o,n){!function(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++;"glb"===t.split(".").pop()?e.dataSource.getGLB(t,(n=>{s.basePath=kP(t),NP(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)})):e.dataSource.getGLTF(t,(n=>{s.basePath=kP(t),NP(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)}))}(e,t,i,s=s||{},r,(function(){I.scheduleTask((function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1)})),o&&o()}),(function(t){e.error(t),n&&n(t),r.fire("error",t)}))}parse(e,t,i,s,r,o,n){NP(e,"",t,i,s=s||{},r,(function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1),o&&o()}))}}function kP(e){const t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}function NP(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++,tB(i,UP,{baseUri:r.basePath}).then((i=>{const l={src:t,entityId:r.entityId,metaModelJSON:s,autoMetaModel:r.autoMetaModel,globalizeObjectIds:r.globalizeObjectIds,metaObjects:[],loadBuffer:r.loadBuffer,basePath:r.basePath,handlenode:r.handlenode,backfaces:!!r.backfaces,gltfData:i,scene:o.scene,plugin:e,sceneModel:o,numObjects:0,nodes:[],nextId:0,log:t=>{e.log(t)}};!function(e){const t=e.gltfData.textures;if(t)for(let i=0,s=t.length;i<s;i++)QP(e,t[i])}(l),function(e){const t=e.gltfData.materials;if(t)for(let i=0,s=t.length;i<s;i++){const s=t[i];s._textureSetId=VP(e,s),s._attributes=HP(e,s)}}(l),r.autoMetaModel&&l.metaObjects.push({id:o.id,type:"Default",name:o.id}),function(e){const t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");const s=i.nodes;if(!s)return;!function e(t){t.forEach((t=>{const i=t.mesh;i&&(i.instances||=0,i.instances+=1),t.children&&e(t.children)}))}(s);const r=[];let o=null;!function t(i,s,n){i.forEach((i=>{const a=i.name;let l=null!=a&&a||0===s&&"entity-"+e.nextId++;if(l){for(;e.sceneModel.objects[l];)l="entity-"+e.nextId++;r.push(o),o=[]}const A=function(e,t){let i;e.matrix&&(i=e.matrix,t=t?d.mulMat4(t,i,d.mat4()):i);e.translation&&(i=d.translationMat4v(e.translation),t=t?d.mulMat4(t,i,d.mat4()):i);e.rotation&&(i=d.quaternionToMat4(e.rotation),t=t?d.mulMat4(t,i,d.mat4()):i);e.scale&&(i=d.scalingMat4v(e.scale),t=t?d.mulMat4(t,i,d.mat4()):i);return t}(i,n);if(i.mesh&&function(e,t,i,s){const r=e.mesh;if(!r)return;const o=r.primitives.length;if(o>0)for(let e=0;e<o;e++){const o=r.primitives[e];if(o.mode<4)continue;const n={id:t.sceneModel.id+"."+t.numObjects++},a=o.material;a?(n.textureSetId=a._textureSetId,n.color=a._attributes.color,n.opacity=a._attributes.opacity,n.metallic=a._attributes.metallic,n.roughness=a._attributes.roughness):(n.color=new Float32Array([1,1,1]),n.opacity=1);const l=!1!==t.backfaces||a&&!1!==a.doubleSided;switch(o.mode){case 0:n.primitive="points";break;case 1:case 2:case 3:n.primitive="lines";break;default:n.primitive=l?"triangles":"solid"}const A=o.attributes.POSITION;if(!A)continue;n.localPositions=A.value,n.positions=new Float64Array(n.localPositions.length),o.attributes.NORMAL&&(n.normals=o.attributes.NORMAL.value),o.attributes.TEXCOORD_0&&(n.uv=o.attributes.TEXCOORD_0.value),o.indices&&(n.indices=o.indices.value),i?d.transformPositions3(i,n.localPositions,n.positions):n.positions.set(n.localPositions);const h=d.vec3();q(n.positions,n.positions,h)&&(n.origin=h),t.sceneModel.createMesh(n),s.push(n.id)}}(i,e,A,o),i.children&&t(i.children,s+1,A),l){if(o.length>0){const t=e.globalizeObjectIds?d.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:t,meshIds:o,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:t,type:"Default",name:t,parent:e.sceneModel.id})}o=r.pop()}}))}(s,0,null)}(l),o.finalize(),r.autoMetaModel&&e.viewer.metaScene.createMetaModel(o.id,{metaObjects:l.metaObjects}),a.processes--,n()}))}function QP(e,t){if(!t.source||!t.source.image)return;const i="texture-"+e.nextId++;let s=1005;switch(t.sampler.minFilter){case 9728:s=1003;break;case 9729:s=1006;break;case 9984:s=1004;break;case 9985:s=1007;break;case 9986:s=1005;break;case 9987:s=1008}let r=1006;switch(t.sampler.magFilter){case 9728:r=1003;break;case 9729:r=1006}let o=1e3;switch(t.sampler.wrapS){case 33071:o=1001;break;case 33648:o=1002;break;case 10497:o=1e3}let n=1e3;switch(t.sampler.wrapT){case 33071:n=1001;break;case 33648:n=1002;break;case 10497:n=1e3}let a=1e3;switch(t.sampler.wrapR){case 33071:a=1001;break;case 33648:a=1002;break;case 10497:a=1e3}e.sceneModel.createTexture({id:i,image:t.source.image,flipY:!!t.flipY,minFilter:s,magFilter:r,wrapS:o,wrapT:n,wrapR:a,encoding:3001}),t._textureId=i}function VP(e,t){const i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":const e=t.alphaCutoff;i.alphaCutoff=void 0!==e?e:.5}const s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){const r=t.pbrMetallicRoughness,o=r.baseColorTexture||r.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}const r=t.extensions;if(r){const t=r.KHR_materials_pbrSpecularGlossiness;if(t){t.specularTexture;const s=t.specularColorTexture;null!=s&&(i.colorTextureId=e.gltfData.textures[s.index]._textureId)}}return void 0!==i.normalTextureId||void 0!==i.occlusionTextureId||void 0!==i.emissiveTextureId||void 0!==i.colorTextureId||void 0!==i.metallicRoughnessTextureId?(i.id=`textureSet-${e.nextId++};`,e.sceneModel.createTextureSet(i),i.id):null}function HP(e,t){const i=t.extensions,s={color:new Float32Array([1,1,1,1]),opacity:1,metallic:0,roughness:1,doubleSided:!0};if(i){const e=i.KHR_materials_pbrSpecularGlossiness;if(e){const t=e.diffuseFactor;null!=t&&s.color.set(t)}const t=i.KHR_materials_common;if(t){const e=t.technique,i=t.values||{},r="BLINN"===e,o="PHONG"===e,n="LAMBERT"===e,a=i.diffuse;a&&(r||o||n)&&(y.isString(a)||s.color.set(a));const l=i.transparency;null!=l&&(s.opacity=l);const A=i.transparent;null!=A&&(s.opacity=A)}}const r=t.pbrMetallicRoughness;if(r){const e=r.baseColorFactor;e&&(s.color[0]=e[0],s.color[1]=e[1],s.color[2]=e[2],s.opacity=e[3]);const t=r.metallicFactor;null!=t&&(s.metallic=t);const i=r.roughnessFactor;null!=i&&(s.roughness=i)}return s.doubleSided=!1!==t.doubleSided,s}const jP={DEFAULT:{}};class GP extends z{constructor(e,t={}){super("GLTFLoader",e,t),this._sceneModelLoader=new OP(this,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new fu}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||jP}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{isModel:!0,dtxEnabled:e.dtxEnabled})),i=t.id;if(!e.src&&!e.gltf)return this.error("load() param expected: src or gltf"),t;if(e.metaModelSrc||e.metaModelJSON){const s=s=>{this.viewer.metaScene.createMetaModel(i,s,{}),this.viewer.scene.canvas.spinner.processes--,e.src?this._sceneModelLoader.load(this,e.src,s,e,t):this._sceneModelLoader.parse(this,e.gltf,s,e,t)};if(e.metaModelSrc){const t=e.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(t,(e=>{this.viewer.scene.canvas.spinner.processes--,s(e)}),(e=>{this.error(`load(): Failed to load model metadata for model '${i} from  '${t}' - ${e}`),this.viewer.scene.canvas.spinner.processes--}))}else e.metaModelJSON&&s(e.metaModelJSON)}else e.src?this._sceneModelLoader.load(this,e.src,null,e,t):this._sceneModelLoader.parse(this,e.gltf,null,e,t);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}function zP(e,t,i={}){const s="lightgrey",r=i.hoverColor||"rgba(0,0,0,0.4)",o=i.textColor||"black",n=500,a=n+n/3,l=a/24,A=[{boundary:[6,6,6,6],color:i.frontColor||i.color||"#55FF55"},{boundary:[18,6,6,6],color:i.backColor||i.color||"#55FF55"},{boundary:[12,6,6,6],color:i.rightColor||i.color||"#FF5555"},{boundary:[0,6,6,6],color:i.leftColor||i.color||"#FF5555"},{boundary:[6,0,6,6],color:i.topColor||i.color||"#7777FF"},{boundary:[6,12,6,6],color:i.bottomColor||i.color||"#7777FF"}],h=[{label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,1,0],up:[0,0,1]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,-1,0],up:[0,0,1]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,0,1]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,0,1]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,0,1],up:[0,-1,0]},{boundaries:[[7,5,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,0,-1],up:[1,0,1]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-1,-1],up:[0,-1,1]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,0,-1],up:[-1,0,1]},{boundaries:[[7,11,4,2]],dir:[0,1,1],up:[0,-1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,0,1],up:[-1,0,1]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,-1,1],up:[0,1,1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,0,1],up:[1,0,1]},{boundaries:[[5,7,2,4]],dir:[1,1,0],up:[0,0,1]},{boundaries:[[11,7,2,4]],dir:[-1,1,0],up:[0,0,1]},{boundaries:[[17,7,2,4]],dir:[-1,-1,0],up:[0,0,1]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,-1,0],up:[0,0,1]},{boundaries:[[5,11,2,2]],dir:[1,1,1],up:[-1,-1,1]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[1,-1,1],up:[-1,1,1]},{boundaries:[[5,5,2,2]],dir:[1,1,-1],up:[1,1,1]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-1,-1,1],up:[1,1,1]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-1,-1,-1],up:[-1,-1,1]},{boundaries:[[11,11,2,2]],dir:[-1,1,1],up:[1,-1,1]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[1,-1,-1],up:[1,-1,1]},{boundaries:[[11,5,2,2]],dir:[-1,1,-1],up:[-1,1,1]}];i.frontColor||i.color,i.backColor||i.color,i.rightColor||i.color,i.leftColor||i.color,i.topColor||i.color,i.bottomColor||i.color;const c=[{yUp:"",label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,0,1],up:[0,1,0]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,1,0]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,1,0]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,-1,0],up:[0,0,-1]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,1,0],up:[0,0,1]},{boundaries:[[7,5,4,2]],dir:[0,-.7071,-.7071],up:[0,.7071,-.7071]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,-1,0],up:[1,1,0]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-.7071,.7071],up:[0,.7071,.7071]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,-1,0],up:[-1,1,0]},{boundaries:[[7,11,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,1,0],up:[-1,1,0]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,1,1],up:[0,1,-1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,1,0],up:[1,1,0]},{boundaries:[[5,7,2,4]],dir:[1,0,-1],up:[0,1,0]},{boundaries:[[11,7,2,4]],dir:[-1,0,-1],up:[0,1,0]},{boundaries:[[17,7,2,4]],dir:[-1,0,1],up:[0,1,0]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,0,1],up:[0,1,0]},{boundaries:[[5,11,2,2]],dir:[.5,.7071,-.5],up:[-.5,.7071,.5]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[.5,.7071,.5],up:[-.5,.7071,-.5]},{boundaries:[[5,5,2,2]],dir:[.5,-.7071,-.5],up:[.5,.7071,-.5]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-.5,.7071,.5],up:[.5,.7071,-.5]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-.5,-.7071,.5],up:[-.5,.7071,.5]},{boundaries:[[11,11,2,2]],dir:[-.5,.7071,-.5],up:[.5,.7071,.5]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[.5,-.7071,.5],up:[.5,.7071,.5]},{boundaries:[[11,5,2,2]],dir:[-.5,-.7071,-.5],up:[-.5,.7071,-.5]}];for(let e=0,t=h.length;e<t;e++)d.normalizeVec3(h[e].dir,h[e].dir),d.normalizeVec3(h[e].up,h[e].up);for(let e=0,t=c.length;e<t;e++)d.normalizeVec3(c[e].dir,c[e].dir),d.normalizeVec3(c[e].up,c[e].up);var u=c;this._textureCanvas=document.createElement("canvas"),this._textureCanvas.width=a,this._textureCanvas.height=n,this._textureCanvas.style.width=a+"px",this._textureCanvas.style.height="500px",this._textureCanvas.style.padding="0",this._textureCanvas.style.margin="0",this._textureCanvas.style.top="0",this._textureCanvas.style.background=s,this._textureCanvas.style.position="absolute",this._textureCanvas.style.opacity="1.0",this._textureCanvas.style.visibility="hidden",this._textureCanvas.style["z-index"]=2e6;document.getElementsByTagName("body")[0].appendChild(this._textureCanvas);const p=this._textureCanvas.getContext("2d");let f=!1;function g(){for(let e=0,t=A.length;e<t;e++){const t=A[e],i=t.boundary,s=Math.round(i[0]*l),r=Math.round(i[1]*l),o=Math.round(i[2]*l),n=Math.round(i[3]*l);p.fillStyle=t.color,p.fillRect(s,r,o,n)}for(let t=0,A=u.length;t<A;t++){let A,h,c,d;const f=u[t],g=f.boundaries;for(var e=0,i=g.length;e<i;e++){const t=g[e];A=Math.round(t[0]*l),h=Math.round(t[1]*l),c=Math.round(t[2]*l),d=Math.round(t[3]*l),f.highlighted&&(p.fillStyle=f.highlighted?r:f.color||s,p.fillRect(A,h,c,d))}if(f.label){p.fillStyle=o,p.font="60px sans-serif",p.textAlign="center";var n=A+.5*c,a=h+.7*d;p.fillText(m(f.label),n,a,80)}}t.glRedraw()}const m=function(){const t={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},i={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},s={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"};return function(r){const o=f?i:t,n=o?o[r]:null;return n?e.localeService.translate(n)||s[n]||n:r}}();this.setZUp=function(){f=!0,u=h,this.clear()},this.setYUp=function(){f=!1,u=c,this.clear()},this.clear=function(){p.fillStyle=s,p.fillRect(0,0,a,n);for(var e=0,t=u.length;e<t;e++){u[e].highlighted=!1}g()},this.getArea=function(e){const t=e[0]*a,i=n-e[1]*n;for(var s=0,r=u.length;s<r;s++){const e=u[s].boundaries;for(var o=0,A=e.length;o<A;o++){const r=e[o];if(t>=r[0]*l&&t<=(r[0]+r[2])*l&&i>=r[1]*l&&i<=(r[1]+r[3])*l)return s}}return-1},this.setAreaHighlighted=function(e,t){var i=u[e];if(!i)throw"Area not found: "+e;i.highlighted=!!t,g()},this.getAreaDir=function(e){var t=u[e];if(!t)throw"Unknown area: "+e;return t.dir},this.getAreaUp=function(e){var t=u[e];if(!t)throw"Unknown area: "+e;return t.up},this.getImage=function(){return this._textureCanvas},this.destroy=function(){this._textureCanvas&&(this._textureCanvas.parentNode.removeChild(this._textureCanvas),this._textureCanvas=null)}}const WP=d.vec3(),KP=d.vec3();d.mat4();class XP extends z{constructor(e,t={}){super("NavCube",e,t),e.navCube=this;try{this._navCubeScene=new bi(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0}),this._navCubeCanvas=this._navCubeScene.canvas.canvas,this._navCubeScene.input.keyboardEnabled=!1}catch(e){return void this.error(e)}const i=this._navCubeScene;i.clearLights(),new Ht(i,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Ht(i,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Ht(i,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._navCubeCamera=i.camera,this._navCubeCamera.ortho.scale=7,this._navCubeCamera.ortho.near=.1,this._navCubeCamera.ortho.far=2e3,i.edgeMaterial.edgeColor=[.2,.2,.2],i.edgeMaterial.edgeAlpha=.6,this._zUp=Boolean(e.camera.zUp);var s=this;this.setIsProjectNorth(t.isProjectNorth),this.setProjectNorthOffsetAngle(t.projectNorthOffsetAngle);const r=function(){const e=d.mat4();return function(t,i,r){return d.identityMat4(e),d.rotationMat4v(t*s._projectNorthOffsetAngle*d.DEGTORAD,[0,1,0],e),d.transformVec3(e,i,r)}}();this._synchCamera=function(){var t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),o=d.vec3(),n=d.vec3();return function(){var a=e.camera.eye,l=e.camera.look,A=e.camera.up;i=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(a,l,i)),5),s._isProjectNorth&&s._projectNorthOffsetAngle&&(i=r(-1,i,WP),A=r(-1,A,KP)),s._zUp?(d.transformVec3(t,i,o),d.transformVec3(t,A,n),s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=d.transformVec3(t,i,o),s._navCubeCamera.up=d.transformPoint3(t,A,n)):(s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=i,s._navCubeCamera.up=A)}}(),this._cubeTextureCanvas=new zP(e,i,t),this._cubeSampler=new ro(i,{image:this._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),this._cubeMesh=new Pr(i,{geometry:new ti(i,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new ni(i,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:this._cubeSampler,emissiveMap:this._cubeSampler}),visible:!0,edges:!0}),this._shadow=!1===t.shadowVisible?null:new Pr(i,{geometry:new ti(i,Mr({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new ni(i,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!0,pickable:!1,backfaces:!1}),this._onCameraMatrix=e.camera.on("matrix",this._synchCamera),this._onCameraWorldAxis=e.camera.on("worldAxis",(()=>{e.camera.zUp?(this._zUp=!0,this._cubeTextureCanvas.setZUp(),this._repaint(),this._synchCamera()):e.camera.yUp&&(this._zUp=!1,this._cubeTextureCanvas.setYUp(),this._repaint(),this._synchCamera())})),this._onCameraFOV=e.camera.perspective.on("fov",(e=>{this._synchProjection&&(this._navCubeCamera.perspective.fov=e)})),this._onCameraProjection=e.camera.on("projection",(e=>{this._synchProjection&&(this._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var o=-1;function n(e){var t=[0,0];if(e){for(var i=e.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var a,l,A=null,h=null,c=!1,u=!1,p=.5;s._navCubeCanvas.addEventListener("mouseenter",s._onMouseEnter=function(e){u=!0}),s._navCubeCanvas.addEventListener("mouseleave",s._onMouseLeave=function(e){u=!1}),s._navCubeCanvas.addEventListener("mousedown",s._onMouseDown=function(e){if(1===e.which){A=e.x,h=e.y,a=e.clientX,l=e.clientY;var t=n(e),s=i.pick({canvasPos:t});c=!!s}}),document.addEventListener("mouseup",s._onMouseUp=function(e){if(1===e.which&&(c=!1,null!==A)){var t=n(e),a=i.pick({canvasPos:t,pickSurface:!0});if(a&&a.uv){var l=s._cubeTextureCanvas.getArea(a.uv);if(l>=0&&(document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0)){if(s._cubeTextureCanvas.setAreaHighlighted(l,!0),o=l,s._repaint(),e.x<A-3||e.x>A+3||e.y<h-3||e.y>h+3)return;var u=s._cubeTextureCanvas.getAreaDir(l);if(u){var d=s._cubeTextureCanvas.getAreaUp(l);s._isProjectNorth&&s._projectNorthOffsetAngle&&(u=r(1,u,WP),d=r(1,d,KP)),f(u,d,(function(){o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0&&(s._cubeTextureCanvas.setAreaHighlighted(l,!1),o=-1,s._repaint())}))}}}}}),document.addEventListener("mousemove",s._onMouseMove=function(t){if(o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),1!==t.buttons||c){if(c){var r=t.clientX,A=t.clientY;return document.body.style.cursor="move",void function(t,i){var s=(t-a)*-p,r=(i-l)*-p;e.camera.orbitYaw(s),e.camera.orbitPitch(-r),a=t,l=i}(r,A)}if(u){var h=n(t),d=i.pick({canvasPos:h,pickSurface:!0});if(d){if(d.uv){document.body.style.cursor="pointer";var f=s._cubeTextureCanvas.getArea(d.uv);if(f===o)return;o>=0&&s._cubeTextureCanvas.setAreaHighlighted(o,!1),f>=0&&(s._cubeTextureCanvas.setAreaHighlighted(f,!0),s._repaint(),o=f)}}else document.body.style.cursor="default",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1)}}});var f=function(){var t=d.vec3();return function(i,r,o){var n=s._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,a=d.getAABB3Diag(n);d.getAABB3Center(n,t);var l=Math.abs(a/Math.tan(s._cameraFitFOV*d.DEGTORAD));e.cameraControl.pivotPos=t,s._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV,duration:s._cameraFlyDuration},o):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV},o)}}();this._onUpdated=e.localeService.on("updated",(()=>{this._cubeTextureCanvas.clear(),this._repaint()})),this.setVisible(t.visible),this.setCameraFitFOV(t.cameraFitFOV),this.setCameraFly(t.cameraFly),this.setCameraFlyDuration(t.cameraFlyDuration),this.setFitVisible(t.fitVisible),this.setSynchProjection(t.synchProjection)}send(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}_repaint(){const e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}setVisible(e=!0){this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}getVisible(){return!!this._navCubeCanvas&&this._cubeMesh.visible}setFitVisible(e=!1){this._fitVisible=e}getFitVisible(){return this._fitVisible}setCameraFly(e=!0){this._cameraFly=e}getCameraFly(){return this._cameraFly}setCameraFitFOV(e=45){this._cameraFitFOV=e}getCameraFitFOV(){return this._cameraFitFOV}setCameraFlyDuration(e=.5){this._cameraFlyDuration=e}getCameraFlyDuration(){return this._cameraFlyDuration}setSynchProjection(e=!1){this._synchProjection=e}getSynchProjection(){return this._synchProjection}setIsProjectNorth(e=!1){this._isProjectNorth=e}getIsProjectNorth(){return this._isProjectNorth}setProjectNorthOffsetAngle(e){this._projectNorthOffsetAngle=e}getProjectNorthOffsetAngle(){return this._projectNorthOffsetAngle}destroy(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,super.destroy()}}const JP=d.vec3();class YP{load(e,t,i={}){var s=e.scene.canvas.spinner;s.processes++,ZP(e,t,(function(t){!function(e,t,i){for(var s=t.basePath,r=Object.keys(t.materialLibraries),o=r.length,n=0,a=o;n<a;n++)$P(e,s,s+r[n],(function(){0==--o&&i()}))}(e,t,(function(){tC(e,t),s.processes--,I.scheduleTask((function(){e.fire("loaded",!0,!1)}))}))}))}parse(e,t,i,s){if(t){var r=qP(e,t,null);i&&eC(e,i,s),tC(e,r),e.src=null,e.fire("loaded",!0,!1)}else this.warn("load() param expected: objText")}}var ZP=function(e,t,i){iC(t,(function(s){var r=qP(e,s,t);i(r)}),(function(t){e.error(t)}))},qP=function(){const e={vertex_pattern:/^v\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,normal_pattern:/^vn\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,uv_pattern:/^vt\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,face_vertex:/^f\s+(-?\d+)\s+(-?\d+)\s+(-?\d+)(?:\s+(-?\d+))?/,face_vertex_uv:/^f\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+))?/,face_vertex_uv_normal:/^f\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+)\/(-?\d+))?/,face_vertex_normal:/^f\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)(?:\s+(-?\d+)\/\/(-?\d+))?/,object_pattern:/^[og]\s*(.+)?/,smoothing_pattern:/^s\s+(\d+|on|off)/,material_library_pattern:/^mtllib /,material_use_pattern:/^usemtl /};return function(s,r,o){var n={src:o=o||"",basePath:t(o),objects:[],object:{},positions:[],normals:[],uv:[],materialLibraries:{}};i(n,"",!1),-1!==r.indexOf("\r\n")&&(r=r.replace("\r\n","\n"));for(var a=r.split("\n"),l="",A="",h="",d=[],p="function"==typeof"".trimLeft,f=0,g=a.length;f<g;f++)if(l=a[f],0!==(l=p?l.trimLeft():l.trim()).length&&"#"!==(A=l.charAt(0)))if("v"===A)if(" "===(h=l.charAt(1))&&null!==(d=e.vertex_pattern.exec(l)))n.positions.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else if("n"===h&&null!==(d=e.normal_pattern.exec(l)))n.normals.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else{if("t"!==h||null===(d=e.uv_pattern.exec(l)))return void s.error("Unexpected vertex/normal/uv line: '"+l+"'");n.uv.push(parseFloat(d[1]),parseFloat(d[2]))}else if("f"===A)if(null!==(d=e.face_vertex_uv_normal.exec(l)))c(n,d[1],d[4],d[7],d[10],d[2],d[5],d[8],d[11],d[3],d[6],d[9],d[12]);else if(null!==(d=e.face_vertex_uv.exec(l)))c(n,d[1],d[3],d[5],d[7],d[2],d[4],d[6],d[8]);else if(null!==(d=e.face_vertex_normal.exec(l)))c(n,d[1],d[3],d[5],d[7],void 0,void 0,void 0,void 0,d[2],d[4],d[6],d[8]);else{if(null===(d=e.face_vertex.exec(l)))return void s.error("Unexpected face line: '"+l+"'");c(n,d[1],d[2],d[3],d[4])}else if("l"===A){var m=l.substring(1).trim().split(" "),_=[],v=[];if(-1===l.indexOf("/"))_=m;else for(var b=0,y=m.length;b<y;b++){var x=m[b].split("/");""!==x[0]&&_.push(x[0]),""!==x[1]&&v.push(x[1])}u(n,_,v)}else if(null!==(d=e.object_pattern.exec(l))){i(n,B=d[0].substr(1).trim(),!0)}else if(e.material_use_pattern.test(l)){var B=l.substring(7).trim();n.object.material.id=B}else if(e.material_library_pattern.test(l))n.materialLibraries[l.substring(7).trim()]=!0;else{if(null===(d=e.smoothing_pattern.exec(l))){if("\0"===l)continue;return void s.error("Unexpected line: '"+l+"'")}var w=d[1].trim().toLowerCase();n.object.material.smooth="1"===w||"on"===w}return n};function t(e){var t=e.lastIndexOf("/");return-1===t?e:e.substring(0,t+1)}function i(e,t,i){if(e.object&&!1===e.object.fromDeclaration)return e.object.id=t,void(e.object.fromDeclaration=!1!==i);e.object={id:t||"",geometry:{positions:[],normals:[],uv:[]},material:{id:"",smooth:!0},fromDeclaration:!1!==i},e.objects.push(e.object)}function s(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function r(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function o(e,t){var i=parseInt(e,10);return 2*(i>=0?i-1:i+t/2)}function n(e,t,i,s){var r=e.positions,o=e.object.geometry.positions;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function a(e,t){var i=e.positions,s=e.object.geometry.positions;s.push(i[t+0]),s.push(i[t+1]),s.push(i[t+2])}function l(e,t,i,s){var r=e.normals,o=e.object.geometry.normals;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function A(e,t,i,s){var r=e.uv,o=e.object.geometry.uv;o.push(r[t+0]),o.push(r[t+1]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[s+0]),o.push(r[s+1])}function h(e,t){var i=e.uv,s=e.object.geometry.uv;s.push(i[t+0]),s.push(i[t+1])}function c(e,t,i,a,h,c,u,d,p,f,g,m,_){var v,b=e.positions.length,y=s(t,b),x=s(i,b),B=s(a,b);if(void 0===h?n(e,y,x,B):(n(e,y,x,v=s(h,b)),n(e,x,B,v)),void 0!==c){var w=e.uv.length;y=o(c,w),x=o(u,w),B=o(d,w),void 0===h?A(e,y,x,B):(A(e,y,x,v=o(p,w)),A(e,x,B,v))}if(void 0!==f){var P=e.normals.length;y=r(f,P),x=f===g?y:r(g,P),B=f===m?y:r(m,P),void 0===h?l(e,y,x,B):(l(e,y,x,v=r(_,P)),l(e,x,B,v))}}function u(e,t,i){e.object.geometry.type="Line";for(var r=e.positions.length,n=e.uv.length,l=0,A=t.length;l<A;l++)a(e,s(t[l],r));for(var c=0,u=i.length;c<u;c++)h(e,o(i[c],n))}}();var $P=function(e,t,i,s){iC(i,(function(i){eC(e,i,t),s()}),(function(t){e.error(t),s()}))},eC=function(){var e=/\s+/;return function(e,r,o){var n,a,l,A,h,c=r.split("\n"),u={id:"Default"},d=!1;o=o||"";for(var p=0;p<c.length;p++)if(0!==(n=c[p].trim()).length&&"#"!==n.charAt(0))switch(l=(l=(a=n.indexOf(" "))>=0?n.substring(0,a):n).toLowerCase(),A=(A=a>=0?n.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,u),u={id:A},d=!0;break;case"ka":u.ambient=s(A);break;case"kd":u.diffuse=s(A);break;case"ks":u.specular=s(A);break;case"map_kd":u.diffuseMap||(u.diffuseMap=t(e,o,A,"sRGB"));break;case"map_ks":u.specularMap||(u.specularMap=t(e,o,A,"linear"));break;case"map_bump":case"bump":u.normalMap||(u.normalMap=t(e,o,A));break;case"ns":u.shininess=parseFloat(A);break;case"d":(h=parseFloat(A))<1&&(u.alpha=h,u.alphaMode="blend");break;case"tr":(h=parseFloat(A))>0&&(u.alpha=1-h,u.alphaMode="blend")}d&&i(e,u)};function t(e,t,i,s){var r={},o=i.split(/\s+/),n=o.indexOf("-bm");return n>=0&&o.splice(n,2),(n=o.indexOf("-s"))>=0&&(r.scale=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),(n=o.indexOf("-o"))>=0&&(r.translate=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),r.src=t+o.join(" ").trim(),r.flipY=!0,r.encoding=s||"linear",new ro(e,r).id}function i(e,t){new ni(e,t)}function s(t){var i=t.split(e,3);return[parseFloat(i[0]),parseFloat(i[1]),parseFloat(i[2])]}}();function tC(e,t){for(var i=0,s=t.objects.length;i<s;i++){var r=t.objects[i],o=r.geometry;if(o.type,0===o.positions.length)continue;var n={primitive:"triangles",compressGeometry:!1};n.positions=o.positions,o.normals.length>0&&(n.normals=o.normals),o.uv.length>0&&(n.uv=o.uv);for(var a=new Array(n.positions.length/3),l=0;l<a.length;l++)a[l]=l;n.indices=a;const s=JP;q(o.positions,o.positions,s);var A,h=new ti(e,n),c=r.material.id;c&&""!==c?(A=e.scene.components[c])||e.error("Material not found: "+c):A=new ni(e,{diffuse:[.6,.6,.6],backfaces:!0});var u=new Pr(e,{id:e.id+"#"+r.id,origin:0!==s[0]||0!==s[1]||0!==s[2]?s:null,isObject:!0,geometry:h,material:A,pickable:!0});e.addChild(u)}}function iC(e,t,i){var s=new XMLHttpRequest;s.open("GET",e,!0),s.addEventListener("load",(function(e){var s=e.target.response;200===this.status?t&&t(s):0===this.status?(console.warn("loadFile: HTTP Status 0 received."),t&&t(s)):i&&i(e)}),!1),s.addEventListener("error",(function(e){i&&i(e)}),!1),s.send(null)}class sC extends z{constructor(e,t){super("OBJLoader",e,t),this._sceneGraphLoader=new YP}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new Hr(this.viewer.scene,y.apply(e,{isModel:!0}));const i=t.id,s=e.src;if(!s)return this.error("load() param expected: src"),t;if(e.metaModelSrc){const r=e.metaModelSrc;y.loadJSON(r,(r=>{this.viewer.metaScene.createMetaModel(i,r),this._sceneGraphLoader.load(t,s,e)}),(e=>{this.error(`load(): Failed to load model modelMetadata for model '${i} from  '${r}' - ${e}`)}))}else this._sceneGraphLoader.load(t,s,e);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}const rC=new Float64Array([0,0,1]),oC=new Float64Array(4);class nC{constructor(e){this.id=null,this._viewer=e.viewer,this._visible=!1,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._baseDir=d.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}_setSectionPlane(e){this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(()=>{this._setPos(this._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(()=>{this._ignoreNextSectionPlaneDirUpdate?this._ignoreNextSectionPlaneDirUpdate=!1:this._setDir(this._sectionPlane.dir)})))}get sectionPlane(){return this._sectionPlane}_setPos(e){this._pos.set(e),Z(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}_setDir(e){this._baseDir.set(e),this._rootNode.quaternion=d.vec3PairToQuaternion(rC,e,oC)}_setSectionPlaneDir(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}setVisible(e=!0){if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}getVisible(){return this._visible}setCulled(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}_createNodes(){const e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Hr(t,{position:[0,0,0],scale:[5,5,5],isObject:!1});const s=this._rootNode,r={arrowHead:new ti(s,Mr({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new ti(s,Mr({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),arrowHeadHandle:new ti(s,Mr({radiusTop:.09,radiusBottom:.09,radialSegments:8,heightSegments:1,height:.37,openEnded:!1})),curve:new ti(s,mo({radius:.8,tube:i,radialSegments:64,tubeSegments:14,arc:2*Math.PI/4})),curveHandle:new ti(s,mo({radius:.8,tube:.06,radialSegments:64,tubeSegments:14,arc:2*Math.PI/4})),hoop:new ti(s,mo({radius:.8,tube:i,radialSegments:64,tubeSegments:8,arc:2*Math.PI})),axis:new ti(s,Mr({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1})),axisHandle:new ti(s,Mr({radiusTop:.08,radiusBottom:.08,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},o={pickable:new ni(s,{diffuse:[1,1,0],alpha:0,alphaMode:"blend"}),red:new ni(s,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new li(s,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6}),green:new ni(s,{diffuse:[0,1,0],emissive:[0,1,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightGreen:new li(s,{edges:!1,fill:!0,fillColor:[0,1,0],fillAlpha:.6}),blue:new ni(s,{diffuse:[0,0,1],emissive:[0,0,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightBlue:new li(s,{edges:!1,fill:!0,fillColor:[0,0,1],fillAlpha:.2}),center:new ni(s,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),highlightBall:new li(s,{edges:!1,fill:!0,fillColor:[.5,.5,.5],fillAlpha:.5,vertices:!1}),highlightPlane:new li(s,{edges:!0,edgeWidth:3,fill:!1,fillColor:[.5,.5,.5],fillAlpha:.5,vertices:!1})};this._displayMeshes={plane:s.addChild(new Pr(s,{geometry:new ti(s,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new ni(s,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new li(s,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),e),planeFrame:s.addChild(new Pr(s,{geometry:new ti(s,mo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new ni(s,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new li(s,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),e),xCurve:s.addChild(new Pr(s,{geometry:r.curve,material:o.red,matrix:function(){const e=d.rotationMat4v(90*d.DEGTORAD,[0,1,0],d.identityMat4()),t=d.rotationMat4v(270*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xCurveHandle:s.addChild(new Pr(s,{geometry:r.curveHandle,material:o.pickable,matrix:function(){const e=d.rotationMat4v(90*d.DEGTORAD,[0,1,0],d.identityMat4()),t=d.rotationMat4v(270*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xCurveArrow1:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.red,matrix:function(){const e=d.translateMat4c(0,-.07,-.8,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(0*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xCurveArrow2:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.red,matrix:function(){const e=d.translateMat4c(0,-.8,-.07,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yCurve:s.addChild(new Pr(s,{geometry:r.curve,material:o.green,rotation:[-90,0,0],pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),yCurveHandle:s.addChild(new Pr(s,{geometry:r.curveHandle,material:o.pickable,rotation:[-90,0,0],pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),yCurveArrow1:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.green,matrix:function(){const e=d.translateMat4c(.07,0,-.8,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yCurveArrow2:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.green,matrix:function(){const e=d.translateMat4c(.8,0,-.07,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurve:s.addChild(new Pr(s,{geometry:r.curve,material:o.blue,matrix:d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4()),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveHandle:s.addChild(new Pr(s,{geometry:r.curveHandle,material:o.pickable,matrix:d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4()),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveCurveArrow1:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(.8,-.07,0,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4());return d.mulMat4(e,t,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveArrow2:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(.05,-.8,0,d.identityMat4()),t=d.scaleMat4v([.6,.6,.6],d.identityMat4()),i=d.rotationMat4v(90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(d.mulMat4(e,t,d.identityMat4()),i,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),center:s.addChild(new Pr(s,{geometry:new ti(s,Er({radius:.05})),material:o.center,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.red,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisArrowHandle:s.addChild(new Pr(s,{geometry:r.arrowHeadHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxis:s.addChild(new Pr(s,{geometry:r.axis,material:o.red,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisHandle:s.addChild(new Pr(s,{geometry:r.axisHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.green,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrowHandle:s.addChild(new Pr(s,{geometry:r.arrowHeadHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,opacity:.2,isObject:!1}),e),yShaft:s.addChild(new Pr(s,{geometry:r.axis,material:o.green,position:[0,-.5,0],pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yShaftHandle:s.addChild(new Pr(s,{geometry:r.axisHandle,material:o.pickable,position:[0,-.5,0],pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrowHandle:s.addChild(new Pr(s,{geometry:r.arrowHeadHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zShaft:s.addChild(new Pr(s,{geometry:r.axis,material:o.blue,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1,isObject:!1}),e),zAxisHandle:s.addChild(new Pr(s,{geometry:r.axisHandle,material:o.pickable,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),clippable:!1,pickable:!0,collidable:!0,visible:!1,isObject:!1}),e)},this._affordanceMeshes={planeFrame:s.addChild(new Pr(s,{geometry:new ti(s,mo({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new ni(s,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new li(s,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45],isObject:!1}),e),xHoop:s.addChild(new Pr(s,{geometry:r.hoop,material:o.red,highlighted:!0,highlightMaterial:o.highlightRed,matrix:function(){const e=d.rotationMat4v(90*d.DEGTORAD,[0,1,0],d.identityMat4()),t=d.rotationMat4v(270*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yHoop:s.addChild(new Pr(s,{geometry:r.hoop,material:o.green,highlighted:!0,highlightMaterial:o.highlightGreen,rotation:[-90,0,0],pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zHoop:s.addChild(new Pr(s,{geometry:r.hoop,material:o.blue,highlighted:!0,highlightMaterial:o.highlightBlue,matrix:d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4()),pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHeadBig,material:o.red,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[0,0,1],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHeadBig,material:o.green,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(180*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHeadBig,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e)}}_bindEvents(){const e=this;var t=!1;const i=-1,s=0,r=1,o=2,n=3,a=4,l=5,A=this._rootNode;var h=null,c=null;const u=d.vec2(),p=d.vec3([1,0,0]),f=d.vec3([0,1,0]),g=d.vec3([0,0,1]),m=this._viewer.scene.canvas.canvas,_=this._viewer.camera,v=this._viewer.scene;{const e=d.vec3([0,0,0]);let t=-1;this._onCameraViewMatrix=v.camera.on("viewMatrix",(()=>{})),this._onCameraProjMatrix=v.camera.on("projMatrix",(()=>{})),this._onSceneTick=v.on("tick",(()=>{const i=Math.abs(d.lenVec3(d.subVec3(v.camera.eye,this._pos,e)));if(i!==t&&"perspective"===_.projection){const e=.07*(Math.tan(_.perspective.fov*d.DEGTORAD)*i);A.scale=[e,e,e],t=i}if("ortho"===_.projection){const e=_.ortho.scale/10;A.scale=[e,e,e],t=i}}))}const b=function(){const e=new Float64Array(2);return function(t){if(t){for(var i=t.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-s,e[1]=t.pageY-r}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),y=function(){const t=d.mat4();return function(i,s){return d.quaternionToMat4(e._rootNode.quaternion,t),d.transformVec3(t,i,s),d.normalizeVec3(s),s}}();var x=function(){const e=d.vec3();return function(t){const i=Math.abs(t[0]);return i>Math.abs(t[1])&&i>Math.abs(t[2])?d.cross3Vec3(t,[0,1,0],e):d.cross3Vec3(t,[1,0,0],e),d.cross3Vec3(e,t,e),d.normalizeVec3(e),e}}();const B=function(){const t=d.vec3(),i=d.vec3(),s=d.vec4();return function(r,o,n){y(r,s);const a=x(s,o,n);P(o,a,t),P(n,a,i),d.subVec3(i,t);const l=d.dotVec3(i,s);e._pos[0]+=s[0]*l,e._pos[1]+=s[1]*l,e._pos[2]+=s[2]*l,e._rootNode.position=e._pos,e._sectionPlane&&(e._sectionPlane.pos=e._pos)}}();var w=function(){const t=d.vec4(),i=d.vec4(),s=d.vec4(),r=d.vec4();return function(o,n,a){y(o,r);if(!(P(n,r,t)&&P(a,r,i))){const e=x(r,n,a);P(n,e,t,1),P(a,e,i,1);var l=d.dotVec3(t,r);t[0]-=l*r[0],t[1]-=l*r[1],t[2]-=l*r[2],l=d.dotVec3(i,r),i[0]-=l*r[0],i[1]-=l*r[1],i[2]-=l*r[2]}d.normalizeVec3(t),d.normalizeVec3(i),l=d.dotVec3(t,i),l=d.clamp(l,-1,1);var A=Math.acos(l)*d.RADTODEG;d.cross3Vec3(t,i,s),d.dotVec3(s,r)<0&&(A=-A),e._rootNode.rotate(o,A),C()}}(),P=function(){const t=d.vec4([0,0,0,1]),i=d.mat4();return function(s,r,o,n){n=n||0,t[0]=s[0]/m.width*2-1,t[1]=-(s[1]/m.height*2-1),t[2]=0,t[3]=1,d.mulMat4(_.projMatrix,_.viewMatrix,i),d.inverseMat4(i),d.transformVec4(i,t,t),d.mulVec4Scalar(t,1/t[3]);var a=_.eye;d.subVec4(t,a,t);const l=e._sectionPlane.pos;var A=-d.dotVec3(l,r)-n,h=d.dotVec3(r,t);if(Math.abs(h)>.005){var c=-(d.dotVec3(r,a)+A)/h;return d.mulVec3Scalar(t,c,o),d.addVec3(o,a),d.subVec3(o,l,o),!0}return!1}}();const C=function(){const t=d.vec3(),i=d.mat4();return function(){e.sectionPlane&&(d.quaternionToMat4(A.quaternion,i),d.transformVec3(i,[0,0,1],t),e._setSectionPlaneDir(t))}}();var M,E=!1;this._onCameraControlHover=this._viewer.cameraControl.on("hoverEnter",(e=>{if(!this._visible)return;if(E)return;var A;t=!1,M&&(M.visible=!1);switch(e.entity.id){case this._displayMeshes.xAxisArrowHandle.id:case this._displayMeshes.xAxisHandle.id:A=this._affordanceMeshes.xAxisArrow,h=s;break;case this._displayMeshes.yAxisArrowHandle.id:case this._displayMeshes.yShaftHandle.id:A=this._affordanceMeshes.yAxisArrow,h=r;break;case this._displayMeshes.zAxisArrowHandle.id:case this._displayMeshes.zAxisHandle.id:A=this._affordanceMeshes.zAxisArrow,h=o;break;case this._displayMeshes.xCurveHandle.id:A=this._affordanceMeshes.xHoop,h=n;break;case this._displayMeshes.yCurveHandle.id:A=this._affordanceMeshes.yHoop,h=a;break;case this._displayMeshes.zCurveHandle.id:A=this._affordanceMeshes.zHoop,h=l;break;default:return void(h=i)}A&&(A.visible=!0),M=A,t=!0})),this._onCameraControlHoverLeave=this._viewer.cameraControl.on("hoverOutEntity",(e=>{this._visible&&(M&&(M.visible=!1),M=null,h=i)})),m.addEventListener("mousedown",this._canvasMouseDownListener=e=>{if(e.preventDefault(),this._visible&&t&&(this._viewer.cameraControl.pointerEnabled=!1,1===e.which)){E=!0;var i=b(e);c=h,u[0]=i[0],u[1]=i[1]}}),m.addEventListener("mousemove",this._canvasMouseMoveListener=e=>{if(!this._visible)return;if(!E)return;var t=b(e);const i=t[0],A=t[1];switch(c){case s:B(p,u,t);break;case r:B(f,u,t);break;case o:B(g,u,t);break;case n:w(p,u,t);break;case a:w(f,u,t);break;case l:w(g,u,t)}u[0]=i,u[1]=A}),m.addEventListener("mouseup",this._canvasMouseUpListener=e=>{this._visible&&(this._viewer.cameraControl.pointerEnabled=!0,E&&(e.which,E=!1,t=!1))}),m.addEventListener("wheel",this._canvasWheelListener=e=>{if(this._visible)Math.max(-1,Math.min(1,40*-e.deltaY))})}_destroy(){this._unbindEvents(),this._destroyNodes()}_unbindEvents(){const e=this._viewer,t=e.scene,i=t.canvas.canvas,s=e.camera,r=e.cameraControl;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),s.off(this._onCameraViewMatrix),s.off(this._onCameraProjMatrix),r.off(this._onCameraControlHover),r.off(this._onCameraControlHoverLeave)}_destroyNodes(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}class aC{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new Pr(t,{id:i.id,geometry:new ti(t,ii({xSize:.5,ySize:.5,zSize:.001})),material:new ni(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new hi(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new li(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new li(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=d.vec3([0,0,0]),t=d.vec3(),i=d.vec3([0,0,1]),s=d.vec4(4),r=d.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];d.subVec3(o,this._sectionPlane.pos,e);const a=-d.dotVec3(n,e);d.normalizeVec3(n),d.mulVec3Scalar(n,a,t);const l=d.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class lC{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new bi(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Ht(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Ht(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Ht(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),s=d.vec3(),r=d.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;d.mulVec3Scalar(d.normalizeVec3(d.subVec3(o,n,i)),7),this._zUp?(d.transformVec3(t,i,s),d.transformVec3(t,a,r),e.look=[0,0,0],e.eye=d.transformVec3(t,i,s),e.up=d.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new aC(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const AC=d.AABB3(),hC=d.vec3();class cC extends z{constructor(e,t={}){if(super("SectionPlanes",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new lC(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;AC.set(this.viewer.scene.aabb),d.getAABB3Center(AC,hC),AC[0]+=t[0]-hC[0],AC[1]+=t[1]-hC[1],AC[2]+=t[2]-hC[2],AC[3]+=t[0]-hC[0],AC[4]+=t[1]-hC[1],AC[5]+=t[2]-hC[2],this.viewer.cameraFlight.flyTo({aabb:AC,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Sr(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new nC(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(var t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}class uC{constructor(e,t,i,s,r,o){this.plugin=e,this.storeyId=r,this.modelId=s,this.storeyAABB=i.slice(),this.aabb=this.storeyAABB,this.modelAABB=t.slice(),this.numObjects=o}}class dC{constructor(e,t,i,s,r,o){this.storeyId=e,this.imageData=t,this.format=i,this.width=s,this.height=r}}const pC=d.vec3(),fC=d.mat4();class gC extends z{constructor(e,t={}){super("StoreyViews",e),this._objectsMemento=new Ku,this._cameraMemento=new ju,this.storeys={},this._storeysList=null,this.modelStoreys={},this._fitStoreyMaps=!!t.fitStoreyMaps,this._onModelLoaded=this.viewer.scene.on("modelLoaded",(e=>{this._registerModelStoreys(e),this.fire("storeys",this.storeys)}))}_registerModelStoreys(e){const t=this.viewer,i=t.scene,s=t.metaScene,r=s.metaModels[e],o=i.models[e];if(!r||!r.rootMetaObjects)return;const n=r.rootMetaObjects;for(let t=0,r=n.length;t<r;t++){const r=n[t].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]);for(let t=0,n=r.length;t<n;t++){const n=r[t],a=s.metaObjects[n].getObjectIDsInSubtree(),l=i.getAABB(a),A=Math.random()>.5?a.length:0,h=new uC(this,o.aabb,l,e,n,A);h._onModelDestroyed=o.once("destroyed",(()=>{this._deregisterModelStoreys(e),this.fire("storeys",this.storeys)})),this.storeys[n]=h,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][n]=h}}}_deregisterModelStoreys(e){const t=this.modelStoreys[e];if(t){const i=this.viewer.scene;for(let e in t)if(t.hasOwnProperty(e)){const s=t[e],r=i.models[s.modelId];r&&r.off(s._onModelDestroyed),delete this.storeys[e],this._storeysList=null}delete this.modelStoreys[e]}}get fitStoreyMaps(){return this._fitStoreyMaps}gotoStoreyCamera(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());const s=this.viewer,r=s.scene.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return void(t.done&&t.done());if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return void(t.done&&t.done());const n=d.getAABB3Center(o),a=d.getAABB3Diag(o),l=Math.abs(a/Math.tan(45*d.DEGTORAD)),A=1.3*a,h=pC;h[0]=n[0]+r.worldUp[0]*l,h[1]=n[1]+r.worldUp[1]*l,h[2]=n[2]+r.worldUp[2]*l;const c=r.worldForward;t.done?s.cameraFlight.flyTo(y.apply(t,{eye:h,look:n,up:c,orthoScale:A}),(()=>{t.done()})):(s.cameraFlight.jumpTo(y.apply(t,{eye:h,look:n,up:c,orthoScale:A})),s.camera.ortho.scale=A)}showStoreyObjects(e,t={}){if(!this.storeys[e])return void this.error("IfcBuildingStorey not found with this ID: "+e);const i=this.viewer,s=i.scene;i.metaScene.metaObjects[e]&&(t.hideOthers&&s.setObjectsVisible(i.scene.visibleObjectIds,!1),this.withStoreyObjects(e,((e,t)=>{e&&(e.visible=!0)})))}withStoreyObjects(e,t){const i=this.viewer,s=i.scene,r=i.metaScene,o=r.metaObjects[e];if(!o)return;const n=o.getObjectIDsInSubtree();for(var a=0,l=n.length;a<l;a++){const e=n[a],i=r.metaObjects[e],o=s.objects[e];o&&t(o,i)}}createStoreyMap(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==";const s=this.viewer,r=s.scene,o=t.format||"png",n=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,a=Math.abs((n[5]-n[2])/(n[3]-n[0])),l=t.padding||0;let A,h;t.width&&t.height?(A=t.width,h=t.height):t.height?(h=t.height,A=Math.round(h/a)):t.width?(A=t.width,h=Math.round(A*a)):(A=300,h=Math.round(A*a));const c={visible:!0};this._objectsMemento.saveObjects(r,c),this._cameraMemento.saveCamera(r),this.showStoreyObjects(e,y.apply(t,{hideOthers:!0})),this._arrangeStoreyMapCamera(i);const u=s.getSnapshot({width:A,height:h,format:o});return this._objectsMemento.restoreObjects(r,c),this._cameraMemento.restoreCamera(r),new dC(e,u,o,A,h,l)}_arrangeStoreyMapCamera(e){const t=this.viewer,i=t.scene.camera,s=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,r=d.getAABB3Center(s),o=pC;o[0]=r[0]+.5*i.worldUp[0],o[1]=r[1]+.5*i.worldUp[1],o[2]=r[2]+.5*i.worldUp[2];const n=i.worldForward;t.cameraFlight.jumpTo({eye:o,look:r,up:n});const a=(s[3]-s[0])/2,l=(s[4]-s[1])/2,A=(s[5]-s[2])/2,h=-a,c=+a,u=-l,p=+l,f=-A,g=+A;t.camera.customProjection.matrix=d.orthoMat4c(h,c,f,g,u,p,fC),t.camera.projection="customProjection"}pickStoreyMap(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],c=a[3]-l,u=a[4]-A,p=a[5]-h,f=d.vec3([l+c*o,A+.5*u,h+p*n]),g=d.vec3([0,-1,0]),m=d.addVec3(f,g,pC),_=this.viewer.camera.worldForward,v=d.lookAtMat4v(f,m,_,fC);return this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:v})}storeyMapToWorldPos(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],c=a[3]-l,u=a[4]-A,p=a[5]-h;return d.vec3([l+c*o,A+.5*u,h+p*n])}getStoreyContainingWorldPos(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t];if(d.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return t}return null}getStoreyInVerticalRange(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t],r=[0,0,0,0,0,0],o=[0,0,0];if(r[1]=s.storeyAABB[1],r[4]=s.storeyAABB[4],o[1]=e[1],d.point3AABB3AbsoluteIntersect(r,o))return t}return null}isPositionAboveOrBelowBuilding(e,t=null){const i=t?this._filterStoreys(t):this.storeys,s=Object.keys(i);if(s.length<=0)return null;const r=[s[0],s[s.length-1]];return e[1]<i[r[0]].storeyAABB[1]?r[0]:e[1]>i[r[1]].storeyAABB[4]?r[1]:null}worldPosToStoreyMap(e,t,i){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),!1;const o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,n=o[0],a=o[1],l=o[2],A=o[3]-n,h=o[4]-a,c=o[5]-l,u=this.viewer.camera.worldUp,d=u[0]>u[1]&&u[0]>u[2],p=!d&&u[1]>u[0]&&u[1]>u[2];!d&&!p&&u[2]>u[0]&&(u[2],u[1]);const f=e.width/A,g=p?e.height/c:e.height/h;return i[0]=Math.floor(e.width-(t[0]-n)*f),i[1]=Math.floor(e.height-(t[2]-l)*g),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}worldDirToStoreyMap(e,t,i){const s=this.viewer.camera,r=s.eye,o=s.look,n=d.subVec3(o,r,pC),a=s.worldUp,l=a[0]>a[1]&&a[0]>a[2],A=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!A&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=n[1],i[1]=n[2]):A?(i[0]=n[0],i[1]=n[2]):(i[0]=n[0],i[1]=n[1]),d.normalizeVec2(i)}destroy(){this.viewer.scene.off(this._onModelLoaded),super.destroy()}get storeysList(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{let s=0;s=e.xUp?0:e.yUp?1:2;const r=this.viewer.metaScene,o=r.metaObjects[t.storeyId],n=r.metaObjects[i.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&n&&n.attributes&&void 0!==n.attributes.elevation){const e=Number.parseFloat(o.attributes.elevation),t=Number.parseFloat(n.attributes.elevation);return e>t?-1:e<t?1:0}return t.aabb[s]>i.aabb[s]?-1:t.aabb[s]<i.aabb[s]?1:0})}_filterStoreys(e){return Object.fromEntries(Object.entries(this.storeys).filter((([t,i])=>i.modelId===e)))}}const mC=new Float64Array([0,0,1]),_C=new Float64Array(4);class vC{constructor(e){this.id=null,this._viewer=e.viewer,this._plugin=e,this._visible=!1,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._baseDir=d.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}_setSectionPlane(e){this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(()=>{this._setPos(this._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(()=>{this._ignoreNextSectionPlaneDirUpdate?this._ignoreNextSectionPlaneDirUpdate=!1:this._setDir(this._sectionPlane.dir)})))}get sectionPlane(){return this._sectionPlane}_setPos(e){this._pos.set(e),Z(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}_setDir(e){this._baseDir.set(e),this._rootNode.quaternion=d.vec3PairToQuaternion(mC,e,_C)}_setSectionPlaneDir(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}setVisible(e=!0){if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}getVisible(){return this._visible}setCulled(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}_createNodes(){const e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Hr(t,{position:[0,0,0],scale:[5,5,5]});const s=this._rootNode,r={arrowHead:new ti(s,Mr({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new ti(s,Mr({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new ti(s,Mr({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},o={red:new ni(s,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new ni(s,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new ni(s,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new li(s,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:s.addChild(new Pr(s,{geometry:new ti(s,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new ni(s,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:s.addChild(new Pr(s,{geometry:new ti(s,mo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new ni(s,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:s.addChild(new Pr(s,{geometry:new ti(s,Er({radius:.05})),material:o.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:s.addChild(new Pr(s,{geometry:r.axis,material:o.blue,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:s.addChild(new Pr(s,{geometry:new ti(s,mo({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new ni(s,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new li(s,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:s.addChild(new Pr(s,{geometry:r.arrowHeadBig,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}_bindEvents(){const e=this._rootNode,t=d.vec2(),i=this._viewer.camera,s=this._viewer.scene;let r=0,o=!1;{const t=d.vec3([0,0,0]);let n=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(()=>{})),this._onCameraProjMatrix=s.camera.on("projMatrix",(()=>{})),this._onSceneTick=s.on("tick",(()=>{o=!1;const l=Math.abs(d.lenVec3(d.subVec3(s.camera.eye,this._pos,t)));if(l!==n&&"perspective"===i.projection){const t=.07*(Math.tan(i.perspective.fov*d.DEGTORAD)*l);e.scale=[t,t,t],n=l}if("ortho"===i.projection){const t=i.ortho.scale/10;e.scale=[t,t,t],n=l}0!==r&&(a(r),r=0)}))}const n=function(){const e=new Float64Array(2);return function(t){if(t){for(var i=t.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-s,e[1]=t.pageY-r}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),a=e=>{const t=this._sectionPlane.pos,i=this._sectionPlane.dir;d.addVec3(t,d.mulVec3Scalar(i,.1*e*this._plugin.getDragSensitivity(),d.vec3())),this._sectionPlane.pos=t};{let e=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=i=>{if(i.preventDefault(),this._visible&&(this._viewer.cameraControl.pointerEnabled=!1,1===i.which)){e=!0;var s=n(i);t[0]=s[0],t[1]=s[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=i=>{if(!this._visible)return;if(!e)return;if(o)return;var s=n(i);const r=s[0],l=s[1];a(l-t[1]),t[0]=r,t[1]=l}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=t=>{this._visible&&(this._viewer.cameraControl.pointerEnabled=!0,e&&(t.which,e=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=e=>{this._visible&&(r+=Math.max(-1,Math.min(1,40*-e.deltaY)))})}{let e,t,i=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=t=>{t.stopPropagation(),t.preventDefault(),this._visible&&(e=t.touches[0].clientY,i=e,r=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=e=>{e.stopPropagation(),e.preventDefault(),this._visible&&(o||(o=!0,t=e.touches[0].clientY,null!==i&&(r+=t-i),i=t))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=i=>{i.stopPropagation(),i.preventDefault(),this._visible&&(e=null,t=null,r=0)})}}_destroy(){this._unbindEvents(),this._destroyNodes()}_unbindEvents(){const e=this._viewer,t=e.scene,i=t.canvas.canvas,s=e.camera,r=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),r.removeEventListener("touchstart",this._handleTouchStart),r.removeEventListener("touchmove",this._handleTouchMove),r.removeEventListener("touchend",this._handleTouchEnd),s.off(this._onCameraViewMatrix),s.off(this._onCameraProjMatrix)}_destroyNodes(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}class bC{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new Pr(t,{id:i.id,geometry:new ti(t,ii({xSize:.5,ySize:.5,zSize:.001})),material:new ni(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new hi(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new li(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new li(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=d.vec3([0,0,0]),t=d.vec3(),i=d.vec3([0,0,1]),s=d.vec4(4),r=d.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];d.subVec3(o,this._sectionPlane.pos,e);const a=-d.dotVec3(n,e);d.normalizeVec3(n),d.mulVec3Scalar(n,a,t);const l=d.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class yC{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new bi(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Ht(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Ht(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Ht(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),s=d.vec3(),r=d.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;d.mulVec3Scalar(d.normalizeVec3(d.subVec3(o,n,i)),7),this._zUp?(d.transformVec3(t,i,s),d.transformVec3(t,a,r),e.look=[0,0,0],e.eye=d.transformVec3(t,i,s),e.up=d.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new bC(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const xC=d.AABB3(),BC=d.vec3();class wC extends z{constructor(e,t={}){if(super("FaceAlignedSectionPlanesPlugin",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,this._dragSensitivity=t.dragSensitivity||1,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new yC(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;xC.set(this.viewer.scene.aabb),d.getAABB3Center(xC,BC),xC[0]+=t[0]-BC[0],xC[1]+=t[1]-BC[1],xC[2]+=t[2]-BC[2],xC[3]+=t[0]-BC[0],xC[4]+=t[1]-BC[1],xC[5]+=t[2]-BC[2],this.viewer.cameraFlight.flyTo({aabb:xC,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}null===t.controlElementId||void 0===t.controlElementId?this.error("Parameter expected: controlElementId"):(this._controlElement=document.getElementById(t.controlElementId),this._controlElement||this.warn("Can't find control element: '"+t.controlElementId+"' - will create plugin without control element")),this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setDragSensitivity(e){this._dragSensitivity=e||1}getDragSensitivity(){return this._dragSensitivity}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Sr(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new vC(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(let e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){let t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){let e=this._freeControls.pop();for(;e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}class PC extends z{constructor(e){super("skyboxes",e),this.skyboxes={}}send(e,t){if("clear"===e)this.clear()}createSkybox(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new qu(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}destroySkybox(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}clear(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}destroy(){this.clear(),super.clear()}}class CC{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getSTL(e,t,i){e=this._cacheBusterURL(e);const s=new XMLHttpRequest;s.overrideMimeType("application/json"),s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i(s.statusText))},s.send(null)}}const MC=d.vec3();class EC{load(e,t,i,s,r,o){s=s||{};const n=e.viewer.scene.canvas.spinner;n.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,s){try{const r=RC(i);FC(r)?IC(e,r,t,s):DC(e,TC(i),t,s)}catch(e){t.fire("error",e)}}(e,t,i,s);try{const o=RC(i);FC(o)?IC(e,o,t,s):DC(e,TC(i),t,s),n.processes--,I.scheduleTask((function(){t.fire("loaded",!0,!1)})),r&&r()}catch(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}}),(function(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}))}parse(e,t,i,s){const r=e.viewer.scene.canvas.spinner;r.processes++;try{const o=RC(i);FC(o)?IC(e,o,t,s):DC(e,TC(i),t,s),r.processes--,I.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){r.processes--,t.fire("error",e)}}}function FC(e){const t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;const i=[115,111,108,105,100];for(var s=0;s<5;s++)if(i[s]!==t.getUint8(s,!1))return!0;return!1}function IC(e,t,i,s){const r=new DataView(t),o=r.getUint32(80,!0);let n,a,l,A,h,c,u,d=!1,p=null,f=null,g=null,m=!1;for(let e=0;e<70;e++)1129270351===r.getUint32(e,!1)&&82===r.getUint8(e+4)&&61===r.getUint8(e+5)&&(d=!0,A=[],h=r.getUint8(e+6)/255,c=r.getUint8(e+7)/255,u=r.getUint8(e+8)/255,r.getUint8(e+9));const _=new Wr(i,{roughness:.5});let v=[],b=[],y=s.splitMeshes;for(let e=0;e<o;e++){let t=84+50*e,o=r.getFloat32(t,!0),x=r.getFloat32(t+4,!0),B=r.getFloat32(t+8,!0);if(d){let e=r.getUint16(t+48,!0);0==(32768&e)?(n=(31&e)/31,a=(e>>5&31)/31,l=(e>>10&31)/31):(n=h,a=c,l=u),(y&&n!==p||a!==f||l!==g)&&(null!==p&&(m=!0),p=n,f=a,g=l)}for(let e=1;e<=3;e++){let i=t+12*e;v.push(r.getFloat32(i,!0)),v.push(r.getFloat32(i+4,!0)),v.push(r.getFloat32(i+8,!0)),b.push(o,x,B),d&&A.push(n,a,l,1)}y&&m&&(SC(i,v,b,A,_,s),v=[],b=[],A=A?[]:null,m=!1)}v.length>0&&SC(i,v,b,A,_,s)}function DC(e,t,i,s){const r=/facet([\s\S]*?)endfacet/g;let o=0;const n=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,a=new RegExp("vertex"+n+n+n,"g"),l=new RegExp("normal"+n+n+n,"g"),A=[],h=[];let c,u,d,p,f,g,m;for(;null!==(p=r.exec(t));){for(f=0,g=0,m=p[0];null!==(p=l.exec(m));)c=parseFloat(p[1]),u=parseFloat(p[2]),d=parseFloat(p[3]),g++;for(;null!==(p=a.exec(m));)A.push(parseFloat(p[1]),parseFloat(p[2]),parseFloat(p[3])),h.push(c,u,d),f++;1!==g&&e.error("Error in normal of face "+o),3!==f&&e.error("Error in positions of face "+o),o++}SC(i,A,h,null,new Wr(i,{roughness:.5}),s)}function SC(e,t,i,s,r,o){const n=new Int32Array(t.length/3);for(let e=0,t=n.length;e<t;e++)n[e]=e;i=i&&i.length>0?i:null,s=s&&s.length>0?s:null,o.smoothNormals&&d.faceToVertexNormals(t,i,o);const a=MC;q(t,t,a);const l=new ti(e,{primitive:"triangles",positions:t,normals:i,colors:s,indices:n}),A=new Pr(e,{origin:0!==a[0]||0!==a[1]||0!==a[2]?a:null,geometry:l,material:r,edges:o.edges});e.addChild(A)}function TC(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let i=0,s=e.length;i<s;i++)t+=String.fromCharCode(e[i]);return decodeURIComponent(escape(t))}(new Uint8Array(e)):e}function RC(e){if("string"==typeof e){const t=new Uint8Array(e.length);for(let i=0;i<e.length;i++)t[i]=255&e.charCodeAt(i);return t.buffer||t}return e}class LC extends z{constructor(e,t={}){super("STLLoader",e,t),this._sceneGraphLoader=new EC,this.dataSource=t.dataSource}set dataSource(e){this._dataSource=e||new CC}get dataSource(){return this._dataSource}load(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Hr(this.viewer.scene,y.apply(e,{isModel:!0})),i=e.src,s=e.stl;return i||s?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,s,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}}class UC{createRootNode(){return document.createElement("ul")}createNodeElement(e,t,i,s,r){const o=document.createElement("li");if(o.id=e.nodeId,e.xrayed&&o.classList.add("xrayed-node"),e.children.length>0){const i=document.createElement("a");i.href="#",i.id=`switch-${e.nodeId}`,i.textContent="+",i.classList.add("plus"),t&&i.addEventListener("click",t),o.appendChild(i)}const n=document.createElement("input");n.id=`checkbox-${e.nodeId}`,n.type="checkbox",n.checked=e.checked,n.style["pointer-events"]="all",i&&n.addEventListener("change",i),o.appendChild(n);const a=document.createElement("span");return a.textContent=e.title,o.appendChild(a),s&&(a.oncontextmenu=s),r&&(a.onclick=r),o}createDisabledNodeElement(e){const t=document.createElement("li"),i=document.createElement("a");i.href="#",i.textContent="!",i.classList.add("warn"),i.classList.add("warning"),t.appendChild(i);const s=document.createElement("span");return s.textContent=e,t.appendChild(s),t}addChildren(e,t){const i=document.createElement("ul");t.forEach((e=>{i.appendChild(e)})),e.parentElement.appendChild(i)}expand(e,t,i){e.classList.remove("plus"),e.classList.add("minus"),e.textContent="-",e.removeEventListener("click",t),e.addEventListener("click",i)}collapse(e,t,i){if(!e)return;const s=e.parentElement;if(!s)return;const r=s.querySelector("ul");r&&(s.removeChild(r),e.classList.remove("minus"),e.classList.add("plus"),e.textContent="+",e.removeEventListener("click",i),e.addEventListener("click",t))}isExpanded(e){return void 0!==e.parentElement.getElementsByTagName("li")[0]}getId(e){return e.parentElement.id}getIdFromCheckbox(e){return e.id.replace("checkbox-","")}getSwitchElement(e){return document.getElementById(`switch-${e}`)}isChecked(e){return e.checked}setCheckbox(e,t,i=!1){const s=document.getElementById(`checkbox-${e}`);s&&(t!==s.checked&&(s.checked=t),i!==s.indeterminate&&(s.indeterminate=i,i&&(s.checked=!1)))}setXRayed(e,t){const i=document.getElementById(e);i&&(t?i.classList.add("xrayed-node"):i.classList.remove("xrayed-node"))}setHighlighted(e,t){const i=document.getElementById(e);i&&(t?(i.scrollIntoView({block:"center"}),i.classList.add("highlighted-node")):i.classList.remove("highlighted-node"))}}const OC=[];class kC extends z{constructor(e,t={}){super("TreeViewPlugin",e),this.errors=[],this.valid=!0;const i=t.containerElement||document.getElementById(t.containerElementId);if(i instanceof HTMLElement){for(let e=0;;e++)if(!OC[e]){OC[e]=this,this._index=e,this._id=`tree-${e}`;break}if(this._containerElement=i,this._metaModels={},this._autoAddModels=!1!==t.autoAddModels,this._autoExpandDepth=t.autoExpandDepth||0,this._sortNodes=!1!==t.sortNodes,this._viewer=e,this._rootElement=null,this._muteSceneEvents=!1,this._muteTreeEvents=!1,this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._rootNames={},this._sortNodes=t.sortNodes,this._pruneEmptyNodes=t.pruneEmptyNodes,this._showListItemElementId=null,this._renderService=t.renderService||new UC,this._showIndeterminate=t.showIndeterminate??!1,!this._renderService)throw new Error("TreeViewPlugin: no render service set");if(this._containerElement.oncontextmenu=e=>{e.preventDefault()},this._onObjectVisibility=this._viewer.scene.on("objectVisibility",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;const s=e.visible;if(!(s!==i.checked))return;this._muteTreeEvents=!0,i.checked=s,s?i.numVisibleEntities++:i.numVisibleEntities--,this._renderService.setCheckbox(i.nodeId,s);let r=i.parent;for(;r;){r.checked=s,s?r.numVisibleEntities++:r.numVisibleEntities--;const e=this._showIndeterminate&&r.numVisibleEntities>0&&r.numVisibleEntities<r.numEntities;this._renderService.setCheckbox(r.nodeId,r.numVisibleEntities>0,e),r=r.parent}this._muteTreeEvents=!1})),this._onObjectXrayed=this._viewer.scene.on("objectXRayed",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;this._muteTreeEvents=!0;const s=e.xrayed;s!==i.xrayed&&(i.xrayed=s,this._renderService.setXRayed(i.nodeId,s),this._muteTreeEvents=!1)})),this._switchExpandHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._expandSwitchElement(t)},this._switchCollapseHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._collapseSwitchElement(t)},this._checkboxChangeHandler=e=>{if(this._muteTreeEvents)return;this._muteSceneEvents=!0;const t=e.target,i=this._renderService.isChecked(t),s=this._renderService.getIdFromCheckbox(t),r=this._nodeNodes[s],o=this._viewer.scene.objects;let n=0;this._withNodeTree(r,(e=>{const t=e.objectId,s=o[t],r=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,r&&i!==e.checked&&n++,e.checked=i,this._renderService.setCheckbox(e.nodeId,i),s&&(s.visible=i)}));let a=r.parent;for(;a;){a.checked=i,i?a.numVisibleEntities+=n:a.numVisibleEntities-=n;const e=this._showIndeterminate&&a.numVisibleEntities>0&&a.numVisibleEntities<a.numEntities;this._renderService.setCheckbox(a.nodeId,a.numVisibleEntities>0,e),a=a.parent}this._muteSceneEvents=!1},this._hierarchy=t.hierarchy||"containment",this._autoExpandDepth=t.autoExpandDepth||0,this._autoAddModels){const e=Object.keys(this.viewer.metaScene.metaModels);for(let t=0,i=e.length;t<i;t++){const i=e[t];this.viewer.metaScene.metaModels[i].finalized&&this.addModel(i)}this.viewer.scene.on("modelLoaded",(e=>{this.viewer.metaScene.metaModels[e]&&this.addModel(e)}))}this.hierarchy=t.hierarchy}else this.error("Mandatory config expected: valid containerElementId or containerElement")}set hierarchy(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}get hierarchy(){return this._hierarchy}addModel(e,t={}){if(!this._containerElement)return;const i=this.viewer.scene.models[e];if(!i)throw"Model not found: "+e;const s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,t&&t.rootName&&(this._rootNames[e]=t.rootName),i.on("destroyed",(()=>{this.removeModel(i.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}removeModel(e){if(!this._containerElement)return;this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes())}showNode(e){this.unShowNode();const t=this._objectNodes[e];if(!t)return;this.collapse();const i=t.nodeId,s=this._renderService.getSwitchElement(i);if(s)return this._expandSwitchElement(s),s.scrollIntoView(),!0;const r=[];r.unshift(t);let o=t.parent;for(;o;)r.unshift(o),o=o.parent;for(let e=0,t=r.length;e<t;e++){const t=this._renderService.getSwitchElement(r[e].nodeId);t&&this._expandSwitchElement(t)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}unShowNode(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}expandToDepth(e){this.collapse();const t=(i,s)=>{if(s===e)return;const r=this._renderService.getSwitchElement(i.nodeId);if(r){this._expandSwitchElement(r);const e=i.children;for(var o=0,n=e.length;o<n;o++){const i=e[o];t(i,s+1)}}};for(let e=0,i=this._rootNodes.length;e<i;e++){const i=this._rootNodes[e];t(i,0)}}collapse(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e].nodeId;this._collapseNode(t)}}withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this.withNodeTree(i[e],t)}destroy(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete OC[this._index],super.destroy())}_createNodes(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}_validate(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}_validateMetaModelForStoreysHierarchy(e=0,t,i){return!0}_createEnabledNodes(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}_createDisabledNodes(){const e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);const t=this._viewer.metaScene.rootMetaObjects;for(let i in t){const s=t[i],r=s.type,o=s.name,n=o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,a=this._renderService.createDisabledNodeElement(n);e.appendChild(a)}}_findEmptyNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._findEmptyNodes2(e[t])}_findEmptyNodes2(e,t=0){const i=this.viewer.scene,s=e.children,r=e.id,o=i.objects[r];if(e._countEntities=0,o&&e._countEntities++,s)for(let t=0,i=s.length;t<i;t++){const i=s[t];i._countEntities=this._findEmptyNodes2(i),e._countEntities+=i._countEntities}return e._countEntities}_createStoreysNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createStoreysNodes2(e[t],null,null,null)}_createStoreysNodes2(e,t,i,s){if(this._pruneEmptyNodes&&0===e._countEntities)return;const r=e.type,o=e.name,n=e.children,a=e.id;if("IfcBuilding"===r)t={nodeId:`${this._id}-${a}`,objectId:a,title:0===e.metaModels.length?o:this._rootNames[e.metaModels[0].id]||(o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r),type:r,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuildingStorey"===r){if(!t)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");i={nodeId:`${this._id}-${a}`,objectId:a,title:o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,type:r,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i,s={}}else if(i){if(this._viewer.scene.objects[a]){let e=(s=s||{})[r];e||(e={nodeId:`${this._id}-${i.objectId}-${r}`,objectId:`${i.objectId}-${r}`,title:r,type:r,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,s[r]=e);const t={nodeId:`${this._id}-${a}`,objectId:a,title:o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,type:r,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t}}if(n)for(let e=0,r=n.length;e<r;e++){const r=n[e];this._createStoreysNodes2(r,t,i,s)}}_createTypesNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createTypesNodes2(e[t],null,null)}_createTypesNodes2(e,t,i){if(this._pruneEmptyNodes&&0===e._countEntities)return;const s=e.type,r=e.name,o=e.children,n=e.id;if(e.parent){if(t){if(this._viewer.scene.objects[n]){let e=i[s];e||(e={nodeId:`${this._id}-${t.objectId}-${s}`,objectId:`${t.objectId}-${s}`,title:s,type:s,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,i[s]=e);const o={nodeId:`${this._id}-${n}`,objectId:n,title:r&&""!==r&&"Default"!==r?r:s,type:s,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o}}}else t={nodeId:`${this._id}-${n}`,objectId:n,title:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||(r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:s),type:s,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(o)for(let e=0,s=o.length;e<s;e++){const s=o[e];this._createTypesNodes2(s,t,i)}}_createContainmentNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createContainmentNodes2(e[t],null)}_createContainmentNodes2(e,t){if(this._pruneEmptyNodes&&0===e._countEntities)return;const i=e.type,s=e.name||i,r=e.children,o=e.id,n={nodeId:`${this._id}-${o}`,objectId:o,title:t?s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:i:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||s,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(n):this._rootNodes.push(n),this._objectNodes[n.objectId]=n,this._nodeNodes[n.nodeId]=n,r)for(let e=0,t=r.length;e<t;e++){const t=r[e];this._createContainmentNodes2(t,n)}}_doSortNodes(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e];this._sortChildren(t)}}_sortChildren(e){const t=e.children;if(!t||0===t.length)return;const i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?t.sort(this._alphaSortFunc):t.sort(this._getSpatialSortFunc());for(let e=0,i=t.length;e<i;e++){const i=t[e];this._sortChildren(i)}}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{e.xUp||e.yUp;const s=this.viewer.metaScene,r=s.metaObjects[t.objectId],o=s.metaObjects[i.objectId];if(r&&r.attributes&&void 0!==r.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){const e=Number.parseFloat(r.attributes.elevation),t=Number.parseFloat(o.attributes.elevation);return e>t?-1:e<t?1:0}return 0})}_alphaSortFunc(e,t){const i=e.title.toUpperCase(),s=t.title.toUpperCase();return i<s?-1:i>s?1:0}_synchNodesToEntities(){const e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects;for(let s=0,r=e.length;s<r;s++){const r=e[s];if(t[r]){const e=this._objectNodes[r];if(e){const t=i[r];if(t){const i=t.visible;e.numEntities=1,e.xrayed=t.xrayed,i?(e.numVisibleEntities=1,e.checked=!0):(e.numVisibleEntities=0,e.checked=!1);let s=e.parent;for(;s;)s.numEntities++,i&&(s.numVisibleEntities++,s.checked=!0),s=s.parent}}}}}_withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this._withNodeTree(i[e],t)}_createTrees(){if(0===this._rootNodes.length)return;const e=this._rootNodes.map((e=>this._createNodeElement(e))),t=this._renderService.createRootNode();e.forEach((e=>{t.appendChild(e)})),this._containerElement.appendChild(t),this._rootElement=t}_createNodeElement(e){return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(t=>{this.fire("contextmenu",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}),(t=>{this.fire("nodeTitleClicked",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}))}_expandSwitchElement(e){if(this._renderService.isExpanded(e))return;const t=this._renderService.getId(e),i=this._nodeNodes[t].children.map((e=>this._createNodeElement(e)));this._renderService.addChildren(e,i),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}_collapseNode(e){const t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}_collapseSwitchElement(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}}class NC{constructor(e){this._scene=e,this._objects=[],this._objectsViewCulled=[],this._objectsDetailCulled=[],this._objectsChanged=[],this._objectsChangedList=[],this._modelInfos={},this._numObjects=0,this._lenObjectsChangedList=0,this._dirty=!0,this._onModelLoaded=e.on("modelLoaded",(t=>{const i=e.models[t];i&&this._addModel(i)})),this._onTick=e.on("tick",(()=>{this._dirty&&this._build(),this._applyChanges()}))}_addModel(e){const t={model:e,onDestroyed:e.on("destroyed",(()=>{this._removeModel(e)}))};this._modelInfos[e.id]=t,this._dirty=!0}_removeModel(e){const t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._dirty=!0)}_build(){if(!this._dirty)return;this._applyChanges();const e=this._scene.objects;for(let e=0;e<this._numObjects;e++)this._objects[e]=null;this._numObjects=0;for(let t in e){const i=e[t];this._objects[this._numObjects++]=i}this._lenObjectsChangedList=0,this._dirty=!1}_applyChanges(){if(this._lenObjectsChangedList>0){for(let e=0;e<this._lenObjectsChangedList;e++){const t=this._objectsChangedList[e],i=this._objects[t],s=this._objectsViewCulled[t],r=this._objectsDetailCulled[t],o=s||r;i.culled=o,this._objectsChanged[t]=!1}this._lenObjectsChangedList=0}}get objects(){return this._dirty&&this._build(),this._objects}get numObjects(){return this._dirty&&this._build(),this._numObjects}setObjectViewCulled(e,t){this._dirty&&this._build(),this._objectsViewCulled[e]!==t&&(this._objectsViewCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}setObjectDetailCulled(e,t){this._dirty&&this._build(),this._objectsDetailCulled[e]!==t&&(this._objectsDetailCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}_destroy(){this._clear(),this._scene.off(this._onModelLoaded),this._scene.off(this._onTick)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._dirty=!0}}const QC={};const VC=new Float32Array(3);class HC extends z{constructor(e,t={}){super("ViewCull",e),this._objectCullStates=function(e){const t=e.id;let i=QC[t];return i||(i=new NC(e),QC[t]=i,e.on("destroyed",(()=>{delete 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a=o.slice();if(a[n+3]=(o[n]+o[n+3])/2,e.left={aabb:a,intersection:N.INTERSECT},d.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1)}if(!e.right){const a=o.slice();if(a[n]=(o[n]+o[n+3])/2,e.right={aabb:a,intersection:N.INTERSECT},d.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1)}e.objects=e.objects||[],e.objects.push(i),d.expandAABB3(e.aabb,r)}_visitKDNode(e,t=N.INTERSECT){if(t!==N.INTERSECT&&e.intersects===t)return;t===N.INTERSECT&&(t=V(this._frustum,e.aabb),e.intersects=t);const i=t===N.OUTSIDE,s=e.objects;if(s&&s.length>0)for(let e=0,t=s.length;e<t;e++){const t=s[e];this._objectCullStates.setObjectViewCulled(t,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}send(e,t){}destroy(){super.destroy(),this._clear();const e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}}class jC{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getManifest(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getXKT(e,t,i){var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",this._cacheBusterURL(e),!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : 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i,s,r=e.max_chain_length,o=e.strstart,n=e.prev_length,a=e.nice_match;const l=e.strstart>e.w_size-Ae?e.strstart-(e.w_size-Ae):0,A=e.window,h=e.w_mask,c=e.prev,u=e.strstart+le;let d=A[o+n-1],p=A[o+n];e.prev_length>=e.good_match&&(r>>=2),a>e.lookahead&&(a=e.lookahead);do{if(i=t,A[i+n]===p&&A[i+n-1]===d&&A[i]===A[o]&&A[++i]===A[o+1]){o+=2,i++;do{}while(A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&o<u);if(s=le-(u-o),o=u-le,s>n){if(e.match_start=t,n=s,s>=a)break;d=A[o+n-1],p=A[o+n]}}}while((t=c[t&h])>l&&0!=--r);return n<=e.lookahead?n:e.lookahead},we=e=>{const t=e.w_size;let i,s,r;do{if(s=e.window_size-e.lookahead-e.strstart,e.strstart>=t+(t-Ae)&&(e.window.set(e.window.subarray(t,t+t-s),0),e.match_start-=t,e.strstart-=t,e.block_start-=t,e.insert>e.strstart&&(e.insert=e.strstart),ge(e),s+=t),0===e.strm.avail_in)break;if(i=xe(e.strm,e.window,e.strstart+e.lookahead,s),e.lookahead+=i,e.lookahead+e.insert>=3)for(r=e.strstart-e.insert,e.ins_h=e.window[r],e.ins_h=me(e,e.ins_h,e.window[r+1]);e.insert&&(e.ins_h=me(e,e.ins_h,e.window[r+3-1]),e.prev[r&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=r,r++,e.insert--,!(e.lookahead+e.insert<3)););}while(e.lookahead<Ae&&0!==e.strm.avail_in)},Pe=(e,t)=>{let i,s,r,o=e.pending_buf_size-5>e.w_size?e.w_size:e.pending_buf_size-5,n=0,a=e.strm.avail_in;do{if(i=65535,r=e.bi_valid+42>>3,e.strm.avail_out<r)break;if(r=e.strm.avail_out-r,s=e.strstart-e.block_start,i>s+e.strm.avail_in&&(i=s+e.strm.avail_in),i>r&&(i=r),i<o&&(0===i&&t!==K||t===G||i!==s+e.strm.avail_in))break;n=t===K&&i===s+e.strm.avail_in?1:0,Q(e,0,0,n),e.pending_buf[e.pending-4]=i,e.pending_buf[e.pending-3]=i>>8,e.pending_buf[e.pending-2]=~i,e.pending_buf[e.pending-1]=~i>>8,_e(e.strm),s&&(s>i&&(s=i),e.strm.output.set(e.window.subarray(e.block_start,e.block_start+s),e.strm.next_out),e.strm.next_out+=s,e.strm.avail_out-=s,e.strm.total_out+=s,e.block_start+=s,i-=s),i&&(xe(e.strm,e.strm.output,e.strm.next_out,i),e.strm.next_out+=i,e.strm.avail_out-=i,e.strm.total_out+=i)}while(0===n);return a-=e.strm.avail_in,a&&(a>=e.w_size?(e.matches=2,e.window.set(e.strm.input.subarray(e.strm.next_in-e.w_size,e.strm.next_in),0),e.strstart=e.w_size,e.insert=e.strstart):(e.window_size-e.strstart<=a&&(e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,e.insert>e.strstart&&(e.insert=e.strstart)),e.window.set(e.strm.input.subarray(e.strm.next_in-a,e.strm.next_in),e.strstart),e.strstart+=a,e.insert+=a>e.w_size-e.insert?e.w_size-e.insert:a),e.block_start=e.strstart),e.high_water<e.strstart&&(e.high_water=e.strstart),n?4:t!==G&&t!==K&&0===e.strm.avail_in&&e.strstart===e.block_start?2:(r=e.window_size-e.strstart,e.strm.avail_in>r&&e.block_start>=e.w_size&&(e.block_start-=e.w_size,e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,r+=e.w_size,e.insert>e.strstart&&(e.insert=e.strstart)),r>e.strm.avail_in&&(r=e.strm.avail_in),r&&(xe(e.strm,e.window,e.strstart,r),e.strstart+=r,e.insert+=r>e.w_size-e.insert?e.w_size-e.insert:r),e.high_water<e.strstart&&(e.high_water=e.strstart),r=e.bi_valid+42>>3,r=e.pending_buf_size-r>65535?65535:e.pending_buf_size-r,o=r>e.w_size?e.w_size:r,s=e.strstart-e.block_start,(s>=o||(s||t===K)&&t!==G&&0===e.strm.avail_in&&s<=r)&&(i=s>r?r:s,n=t===K&&0===e.strm.avail_in&&i===s?1:0,Q(e,e.block_start,i,n),e.block_start+=i,_e(e.strm)),n?3:1)},Ce=(e,t)=>{let i,s;for(;;){if(e.lookahead<Ae){if(we(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==i&&e.strstart-i<=e.w_size-Ae&&(e.match_length=Be(e,i)),e.match_length>=3)if(s=H(e,e.strstart-e.match_start,e.match_length-3),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=3){e.match_length--;do{e.strstart++,e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart}while(0!=--e.match_length);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=me(e,e.ins_h,e.window[e.strstart+1]);else s=H(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(s&&(ve(e,!1),0===e.strm.avail_out))return 1}return e.insert=e.strstart<2?e.strstart:2,t===K?(ve(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(ve(e,!1),0===e.strm.avail_out)?1:2},Me=(e,t)=>{let i,s,r;for(;;){if(e.lookahead<Ae){if(we(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),e.prev_length=e.match_length,e.prev_match=e.match_start,e.match_length=2,0!==i&&e.prev_length<e.max_lazy_match&&e.strstart-i<=e.w_size-Ae&&(e.match_length=Be(e,i),e.match_length<=5&&(e.strategy===te||3===e.match_length&&e.strstart-e.match_start>4096)&&(e.match_length=2)),e.prev_length>=3&&e.match_length<=e.prev_length){r=e.strstart+e.lookahead-3,s=H(e,e.strstart-1-e.prev_match,e.prev_length-3),e.lookahead-=e.prev_length-1,e.prev_length-=2;do{++e.strstart<=r&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart)}while(0!=--e.prev_length);if(e.match_available=0,e.match_length=2,e.strstart++,s&&(ve(e,!1),0===e.strm.avail_out))return 1}else 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Ie(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=ae,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),fe(this.dyn_ltree),fe(this.dyn_dtree),fe(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),fe(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new 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t===J&&((i=e.state).window_size=2*i.w_size,fe(i.head),i.max_lazy_match=Fe[i.level].max_lazy,i.good_match=Fe[i.level].good_length,i.nice_match=Fe[i.level].nice_length,i.max_chain_length=Fe[i.level].max_chain,i.strstart=0,i.block_start=0,i.lookahead=0,i.insert=0,i.match_length=i.prev_length=2,i.match_available=0,i.ins_h=0),t},Re=(e,t,i,s,r,o)=>{if(!e)return Z;let n=1;if(t===ee&&(t=6),s<0?(n=0,s=-s):s>15&&(n=2,s-=16),r<1||r>9||i!==ae||s<8||s>15||t<0||t>9||o<0||o>re||8===s&&1!==n)return de(e,Z);8===s&&(s=9);const a=new Ie;return e.state=a,a.strm=e,a.status=he,a.wrap=n,a.gzhead=null,a.w_bits=s,a.w_size=1<<a.w_bits,a.w_mask=a.w_size-1,a.hash_bits=r+7,a.hash_size=1<<a.hash_bits,a.hash_mask=a.hash_size-1,a.hash_shift=~~((a.hash_bits+3-1)/3),a.window=new Uint8Array(2*a.w_size),a.head=new Uint16Array(a.hash_size),a.prev=new Uint16Array(a.w_size),a.lit_bufsize=1<<r+6,a.pending_buf_size=4*a.lit_bufsize,a.pending_buf=new Uint8Array(a.pending_buf_size),a.sym_buf=a.lit_bufsize,a.sym_end=3*(a.lit_bufsize-1),a.level=t,a.strategy=o,a.method=i,Te(e)};var Le=Re,Ue=(e,t)=>De(e)||2!==e.state.wrap?Z:(e.state.gzhead=t,J),Oe=(e,t)=>{if(De(e)||t>X||t<0)return e?de(e,Z):Z;const i=e.state;if(!e.output||0!==e.avail_in&&!e.input||i.status===ue&&t!==K)return de(e,0===e.avail_out?$:Z);const s=i.last_flush;if(i.last_flush=t,0!==i.pending){if(_e(e),0===e.avail_out)return i.last_flush=-1,J}else if(0===e.avail_in&&pe(t)<=pe(s)&&t!==K)return de(e,$);if(i.status===ue&&0!==e.avail_in)return de(e,$);if(i.status===he&&0===i.wrap&&(i.status=ce),i.status===he){let t=ae+(i.w_bits-8<<4)<<8,s=-1;if(s=i.strategy>=ie||i.level<2?0:i.level<6?1:6===i.level?2:3,t|=s<<6,0!==i.strstart&&(t|=32),t+=31-t%31,ye(i,t),0!==i.strstart&&(ye(i,e.adler>>>16),ye(i,65535&e.adler)),e.adler=1,i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,J}if(57===i.status)if(e.adler=0,be(i,31),be(i,139),be(i,8),i.gzhead)be(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),be(i,255&i.gzhead.time),be(i,i.gzhead.time>>8&255),be(i,i.gzhead.time>>16&255),be(i,i.gzhead.time>>24&255),be(i,9===i.level?2:i.strategy>=ie||i.level<2?4:0),be(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(be(i,255&i.gzhead.extra.length),be(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(e.adler=U(e.adler,i.pending_buf,i.pending,0)),i.gzindex=0,i.status=69;else if(be(i,0),be(i,0),be(i,0),be(i,0),be(i,0),be(i,9===i.level?2:i.strategy>=ie||i.level<2?4:0),be(i,3),i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,J;if(69===i.status){if(i.gzhead.extra){let t=i.pending,s=(65535&i.gzhead.extra.length)-i.gzindex;for(;i.pending+s>i.pending_buf_size;){let r=i.pending_buf_size-i.pending;if(i.pending_buf.set(i.gzhead.extra.subarray(i.gzindex,i.gzindex+r),i.pending),i.pending=i.pending_buf_size,i.gzhead.hcrc&&i.pending>t&&(e.adler=U(e.adler,i.pending_buf,i.pending-t,t)),i.gzindex+=r,_e(e),0!==i.pending)return i.last_flush=-1,J;t=0,s-=r}let r=new Uint8Array(i.gzhead.extra);i.pending_buf.set(r.subarray(i.gzindex,i.gzindex+s),i.pending),i.pending+=s,i.gzhead.hcrc&&i.pending>t&&(e.adler=U(e.adler,i.pending_buf,i.pending-t,t)),i.gzindex=0}i.status=73}if(73===i.status){if(i.gzhead.name){let t,s=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s)),_e(e),0!==i.pending)return i.last_flush=-1,J;s=0}t=i.gzindex<i.gzhead.name.length?255&i.gzhead.name.charCodeAt(i.gzindex++):0,be(i,t)}while(0!==t);i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s)),i.gzindex=0}i.status=91}if(91===i.status){if(i.gzhead.comment){let 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Q=qt.createPositionsDecodeMatrix(U),V={};for(let r=a;r<=D;r++){const a=C[r],E=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,F=r===S-1,D=M[r],T=F?B.length-1:M[r+1]-1,k=[],N=e.metaScene.metaObjects[E],H={},j={};if(N){if(t.excludeTypesMap&&N.type&&t.excludeTypesMap[N.type])continue;if(t.includeTypesMap&&N.type&&!t.includeTypesMap[N.type])continue;const e=t.objectDefaults?t.objectDefaults[N.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(H.visible=!1),!1===e.pickable&&(H.pickable=!1),e.colorize&&(j.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(j.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(j.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(j.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=D;e<=T;e++){const r=B[e],a=R[r]>1,C=r===I-1,M=xM(P.subarray(6*e,6*e+3)),E=P[6*e+3]/255,F=P[6*e+4]/255,D=P[6*e+5]/255,S=o.getNextId();if(a){const o=w[e],a=p.slice(o,o+16),B=`${n}-geometry.${i}.${r}`;let 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1:F.primitiveName="surface",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryNormals=u.subarray(w[r],l?u.length:w[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 2:F.primitiveName="points",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryColors=p.subarray(P[r],l?p.length:P[r+1]),e=F.geometryPositions.length>0;break;case 3:F.primitiveName="lines",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 4:F.primitiveName="lines",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryIndices=EM(F.geometryPositions,g.subarray(M[r],l?g.length:M[r+1])),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;default:continue}if(e||(F=null),F&&(F.geometryPositions.length,F.batchThisMesh)){F.decompressedPositions=new Float32Array(F.geometryPositions.length),F.transformedAndRecompressedPositions=new Uint16Array(F.geometryPositions.length);const e=F.geometryPositions,t=F.decompressedPositions;for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]*b[0]+b[12],t[i+1]=e[i+1]*b[5]+b[13],t[i+2]=e[i+2]*b[10]+b[14];F.geometryPositions=null,W[A]=F}}if(F)if(F.batchThisMesh){const e=F.decompressedPositions,t=F.transformedAndRecompressedPositions;for(let i=0,s=e.length;i<s;i+=3)PM[0]=e[i+0],PM[1]=e[i+1],PM[2]=e[i+2],PM[3]=1,d.transformVec4(a,PM,CM),qt.compressPosition(CM,z,PM),t[i+0]=PM[0],t[i+1]=PM[1],t[i+2]=PM[2];s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:F.primitiveName,positionsCompressed:t,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q)}else O[A]||(s.createGeometry({id:A,primitive:F.primitiveName,positionsCompressed:F.geometryPositions,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:b}),O[A]=!0),s.createMesh(y.apply(H,{id:Q,geometryId:A,textureSetId:h,matrix:a,color:T,metallic:L,roughness:k,opacity:R,origin:G})),U.push(Q)}else{let e,t,i,o,n,a,A,d=!1;switch(x[r]){case 0:e="solid",t=c.subarray(B[r],l?c.length:B[r+1]),i=u.subarray(w[r],l?u.length:w[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 1:e="surface",t=c.subarray(B[r],l?c.length:B[r+1]),i=u.subarray(w[r],l?u.length:w[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 2:e="points",t=c.subarray(B[r],l?c.length:B[r+1]),n=p.subarray(P[r],l?p.length:P[r+1]),d=t.length>0;break;case 3:e="lines",t=c.subarray(B[r],l?c.length:B[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),d=t.length>0&&a.length>0;break;case 4:e="lines",t=c.subarray(B[r],l?c.length:B[r+1]),a=EM(t,g.subarray(M[r],l?g.length:M[r+1])),d=t.length>0&&a.length>0;break;default:continue}d&&(s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:e,positionsCompressed:t,normalsCompressed:i,uv:o&&o.length>0?o:null,colorsCompressed:n,indices:a,edgeIndices:A,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q))}}U.length>0&&s.createEntity(y.apply(Q,{id:l,isObject:!0,meshIds:U}))}}}(e,t,a,s,r,o)}},IM=d.vec4(),DM=d.vec4();const SM=function(){const e=new Float32Array(3);return function(t){return e[0]=t[0]/255,e[1]=t[1]/255,e[2]=t[2]/255,e}}();function TM(e,t){const i=[];if(t.length>1)for(let e=0,s=t.length-1;e<s;e++)i.push(t[e]),i.push(t[e+1]);else if(e.length>1)for(let t=0,s=e.length/3-1;t<s;t++)i.push(t),i.push(t+1);return i}!function(){const e=document.createElement("canvas"),t=e.getContext("2d")}();const RM={version:11,parseArrayBuffer:function(e,t,i,s,r,o){const n=function(e){const t=function(){const e=new ArrayBuffer(2);return new Uint16Array(e)[0]=1,1!==new Uint8Array(e)[0]}(),i=function(){let i=0;const s=new DataView(e);return function(r){const o=1+2*i++,n=s.getUint32(4*o,!0),a=s.getUint32(4*(o+1),!0),l=r.BYTES_PER_ELEMENT;if(t&&l>1){const t=new Uint8Array(e,n,a),i=l/2,s=t.length/l;for(let e=0;e<s;e++){const s=e*l;for(let e=0;e<i;e++){const i=s+e,r=s-e+l-1,o=t[i];t[i]=t[r],t[r]=o}}}return new r(e,n,a/l)}}(),s=function(){const e=new TextDecoder;return()=>JSON.parse(e.decode(i(Uint8Array)))}();return{metadata:s(),textureData:i(Uint8Array),eachTextureDataPortion:i(Uint32Array),eachTextureAttributes:i(Uint16Array),positions:i(Uint16Array),normals:i(Int8Array),colors:i(Uint8Array),uvs:i(Float32Array),indices:i(Uint32Array),edgeIndices:i(Uint32Array),eachTextureSetTextures:i(Int32Array),matrices:i(Float32Array),reusedGeometriesDecodeMatrix:i(Float32Array),eachGeometryPrimitiveType:i(Uint8Array),eachGeometryPositionsPortion:i(Uint32Array),eachGeometryNormalsPortion:i(Uint32Array),eachGeometryColorsPortion:i(Uint32Array),eachGeometryUVsPortion:i(Uint32Array),eachGeometryIndicesPortion:i(Uint32Array),eachGeometryEdgeIndicesPortion:i(Uint32Array),eachMeshGeometriesPortion:i(Uint32Array),eachMeshMatricesPortion:i(Uint32Array),eachMeshTextureSet:i(Int32Array),eachMeshMaterialAttributes:i(Uint8Array),eachEntityId:s(),eachEntityMeshesPortion:i(Uint32Array),eachTileAABB:i(Float64Array),eachTileEntitiesPortion:i(Uint32Array)}}(i);!function(e,t,i,s,r,o){const n=o.getNextId(),a=i.metadata,l=i.textureData,A=i.eachTextureDataPortion,h=i.eachTextureAttributes,c=i.positions,u=i.normals,p=i.colors,f=i.uvs,g=i.indices,m=i.edgeIndices,_=i.eachTextureSetTextures,v=i.matrices,b=i.reusedGeometriesDecodeMatrix,x=i.eachGeometryPrimitiveType,B=i.eachGeometryPositionsPortion,w=i.eachGeometryNormalsPortion,P=i.eachGeometryColorsPortion,C=i.eachGeometryUVsPortion,M=i.eachGeometryIndicesPortion,E=i.eachGeometryEdgeIndicesPortion,F=i.eachMeshGeometriesPortion,I=i.eachMeshMatricesPortion,D=i.eachMeshTextureSet,S=i.eachMeshMaterialAttributes,T=i.eachEntityId,R=i.eachEntityMeshesPortion,L=i.eachTileAABB,U=i.eachTileEntitiesPortion,O=A.length,k=_.length/5,N=B.length,Q=F.length,V=R.length,H=U.length;r&&r.loadData(a,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds});for(let e=0;e<O;e++){const t=e===O-1,i=A[e],r=t?l.length:A[e+1],o=r-i>0,a=9*e,c=1===h[a+0],u=h[a+1];h[a+2],h[a+3];const d=h[a+4],p=h[a+5],f=h[a+6],g=h[a+7],m=h[a+8];if(o){const t=new Uint8Array(l.subarray(i,r)).buffer,o=`${n}-texture-${e}`;if(c)s.createTexture({id:o,buffers:[t],minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m});else{const e=new Blob([t],{type:10001===u?"image/jpeg":10002===u?"image/png":"image/gif"}),i=(window.URL||window.webkitURL).createObjectURL(e),r=document.createElement("img");r.src=i,s.createTexture({id:o,image:r,minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m})}}}for(let e=0;e<k;e++){const t=5*e,i=`${n}-textureSet-${e}`,r=_[t+0],o=_[t+1],a=_[t+2],l=_[t+3],A=_[t+4];s.createTextureSet({id:i,colorTextureId:r>=0?`${n}-texture-${r}`:null,normalsTextureId:a>=0?`${n}-texture-${a}`:null,metallicRoughnessTextureId:o>=0?`${n}-texture-${o}`:null,emissiveTextureId:l>=0?`${n}-texture-${l}`:null,occlusionTextureId:A>=0?`${n}-texture-${A}`:null})}const j=new Uint32Array(N);for(let e=0;e<Q;e++){const t=F[e];void 0!==j[t]?j[t]++:j[t]=1}const G=d.vec3(),z=d.AABB3(),W={};for(let i=0;i<H;i++){const r=i===H-1,a=U[i],l=r?V-1:U[i+1]-1,A=6*i,h=L.subarray(A,A+6);d.getAABB3Center(h,G),z[0]=h[0]-G[0],z[1]=h[1]-G[1],z[2]=h[2]-G[2],z[3]=h[3]-G[0],z[4]=h[4]-G[1],z[5]=h[5]-G[2];const _=qt.createPositionsDecodeMatrix(z),O={};for(let r=a;r<=l;r++){const a=T[r],l=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,A=r===V-1,h=R[r],L=A?F.length-1:R[r+1]-1,U=[],k=e.metaScene.metaObjects[l],Q={},H={};if(k){if(t.excludeTypesMap&&k.type&&t.excludeTypesMap[k.type])continue;if(t.includeTypesMap&&k.type&&!t.includeTypesMap[k.type])continue;const e=t.objectDefaults?t.objectDefaults[k.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(Q.visible=!1),!1===e.pickable&&(Q.pickable=!1),e.colorize&&(H.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(H.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(H.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(H.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=h;e<=L;e++){const r=F[e],a=j[r]>1,l=r===N-1,A=D[e],h=A>=0?`${n}-textureSet-${A}`:null,T=SM(S.subarray(6*e,6*e+3)),R=S[6*e+3]/255,L=S[6*e+4]/255,k=S[6*e+5]/255,Q=o.getNextId();if(a){const o=I[e],a=v.slice(o,o+16),A=`${n}-geometry.${i}.${r}`;let F=W[A];if(!F){F={batchThisMesh:!t.reuseGeometries};let e=!1;switch(x[r]){case 0:F.primitiveName="solid",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryNormals=u.subarray(w[r],l?u.length:w[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 1:F.primitiveName="surface",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryNormals=u.subarray(w[r],l?u.length:w[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 2:F.primitiveName="points",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryColors=p.subarray(P[r],l?p.length:P[r+1]),e=F.geometryPositions.length>0;break;case 3:F.primitiveName="lines",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 4:F.primitiveName="lines",F.geometryPositions=c.subarray(B[r],l?c.length:B[r+1]),F.geometryIndices=TM(F.geometryPositions,g.subarray(M[r],l?g.length:M[r+1])),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;default:continue}if(e||(F=null),F&&(F.geometryPositions.length,F.batchThisMesh)){F.decompressedPositions=new Float32Array(F.geometryPositions.length),F.transformedAndRecompressedPositions=new Uint16Array(F.geometryPositions.length);const e=F.geometryPositions,t=F.decompressedPositions;for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]*b[0]+b[12],t[i+1]=e[i+1]*b[5]+b[13],t[i+2]=e[i+2]*b[10]+b[14];F.geometryPositions=null,W[A]=F}}if(F)if(F.batchThisMesh){const e=F.decompressedPositions,t=F.transformedAndRecompressedPositions;for(let i=0,s=e.length;i<s;i+=3)IM[0]=e[i+0],IM[1]=e[i+1],IM[2]=e[i+2],IM[3]=1,d.transformVec4(a,IM,DM),qt.compressPosition(DM,z,IM),t[i+0]=IM[0],t[i+1]=IM[1],t[i+2]=IM[2];s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:F.primitiveName,positionsCompressed:t,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q)}else O[A]||(s.createGeometry({id:A,primitive:F.primitiveName,positionsCompressed:F.geometryPositions,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:b}),O[A]=!0),s.createMesh(y.apply(H,{id:Q,geometryId:A,textureSetId:h,matrix:a,color:T,metallic:L,roughness:k,opacity:R,origin:G})),U.push(Q)}else{let e,t,i,o,n,a,A,d=!1;switch(x[r]){case 0:e="solid",t=c.subarray(B[r],l?c.length:B[r+1]),i=u.subarray(w[r],l?u.length:w[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 1:e="surface",t=c.subarray(B[r],l?c.length:B[r+1]),i=u.subarray(w[r],l?u.length:w[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 2:e="points",t=c.subarray(B[r],l?c.length:B[r+1]),n=p.subarray(P[r],l?p.length:P[r+1]),d=t.length>0;break;case 3:e="lines",t=c.subarray(B[r],l?c.length:B[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),d=t.length>0&&a.length>0;break;case 4:e="lines",t=c.subarray(B[r],l?c.length:B[r+1]),a=TM(t,g.subarray(M[r],l?g.length:M[r+1])),d=t.length>0&&a.length>0;break;default:continue}d&&(s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:e,positionsCompressed:t,normalsCompressed:i,uv:o&&o.length>0?o:null,colorsCompressed:n,indices:a,edgeIndices:A,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q))}}U.length>0&&s.createEntity(y.apply(Q,{id:l,isObject:!0,meshIds:U}))}}}(e,t,n,s,r,o)}},LM={};LM[KC.version]=KC,LM[YC.version]=YC,LM[$C.version]=$C,LM[iM.version]=iM,LM[oM.version]=oM,LM[lM.version]=lM,LM[uM.version]=uM,LM[_M.version]=_M,LM[BM.version]=BM,LM[FM.version]=FM,LM[RM.version]=RM;class UM extends z{constructor(e,t={}){super("XKTLoader",e,t),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this.textureTranscoder=t.textureTranscoder,this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,this.reuseGeometries=t.reuseGeometries}get supportedVersions(){return Object.keys(LM)}get textureTranscoder(){return this._textureTranscoder}set textureTranscoder(e){this._textureTranscoder=e}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new jC}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||jP}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}get reuseGeometries(){return this._reuseGeometries}set reuseGeometries(e){this._reuseGeometries=!1!==e}load(e={}){if(e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id),!(e.src||e.xkt||e.manifestSrc||e.manifest))throw new Error("XKTLoaderPlugin: load() param expected: src, xkt, manifestSrc or manifestData");const t={},i=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t.reuseGeometries=null!==e.reuseGeometries&&void 0!==e.reuseGeometries?e.reuseGeometries:!1!==this._reuseGeometries,i){t.includeTypesMap={};for(let e=0,s=i.length;e<s;e++)t.includeTypesMap[i[e]]=!0}if(s){t.excludeTypesMap={};for(let e=0,i=s.length;e<i;e++)t.excludeTypesMap[s[e]]=!0}r&&(t.objectDefaults=r),t.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,t.globalizeObjectIds=void 0!==e.globalizeObjectIds&&null!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds;const o=new zc(this.viewer.scene,y.apply(e,{isModel:!0,textureTranscoder:this._textureTranscoder,maxGeometryBatchSize:this._maxGeometryBatchSize,origin:e.origin,disableVertexWelding:e.disableVertexWelding||!1,disableIndexRebucketing:e.disableIndexRebucketing||!1,dtxEnabled:e.dtxEnabled,renderOrder:e.renderOrder})),n=o.id,a=new Qd({metaScene:this.viewer.metaScene,id:n});this.viewer.scene.canvas.spinner.processes++;const l=()=>{o.destroyed||(o.finalize(),a.finalize(),this.viewer.scene.canvas.spinner.processes--,o.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(a.id)})),this.scheduleTask((()=>{o.destroyed||(o.scene.fire("modelLoaded",o.id),o.fire("loaded",!0,!1))})))},A=e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e),o.fire("error",e)};let h=0;const c={getNextId:()=>`${n}.${h++}`};if(e.metaModelSrc||e.metaModelData)if(e.metaModelSrc){const r=e.metaModelSrc;this._dataSource.getMetaModel(r,(r=>{o.destroyed||(a.loadData(r,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()))}),(e=>{A(`load(): Failed to load model metadata for model '${n} from  '${r}' - ${e}`)}))}else e.metaModelData&&(a.loadData(e.metaModelData,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()));else if(e.src)this._loadModel(e.src,t,o,a,c,l,A);else if(e.xkt)this._parseModel(e.xkt,t,o,a,c),l();else if(e.manifestSrc||e.manifest){const r=e.manifestSrc?function(e){const t=e.split("/");return t.pop(),t.join("/")+"/"}(e.manifestSrc):"",n=(e,n,l)=>{let A=0;const h=()=>{o.destroyed||A>=e.length?n():this._dataSource.getMetaModel(`${r}${e[A]}`,(e=>{a.loadData(e,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),A++,this.scheduleTask(h,200)}),l)};h()},h=(e,i,s)=>{let n=0;const a=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,null,c),o.preFinalize(),n++,this.scheduleTask(a,200)}),s)};a()},u=(e,i,s)=>{let n=0;const l=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,a,c),o.preFinalize(),n++,this.scheduleTask(l,200)}),s)};l()};if(e.manifest){const t=e.manifest,i=t.xktFiles;if(!i||0===i.length)return void A("load(): Failed to load model manifest - manifest not valid");const 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XMLHttpRequest;s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}class $M extends z{constructor(e,t={}){if(super("ifcLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,!t.WebIFC)throw"Parameter expected: WebIFC";if(!t.IfcAPI)throw"Parameter expected: IfcAPI";this._webIFC=t.WebIFC,this._ifcAPI=t.IfcAPI}get supportedVersions(){return["2x3","4"]}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new qM}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||jP}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{isModel:!0}));if(!e.src&&!e.ifc)return this.error("load() param expected: src or IFC"),t;const i={autoNormals:!0};if(!1!==e.loadMetadata){const t=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t){i.includeTypesMap={};for(let e=0,s=t.length;e<s;e++)i.includeTypesMap[t[e]]=!0}if(s){i.excludeTypesMap={};for(let e=0,t=s.length;e<t;e++)i.excludeTypesMap[s[e]]=!0}r&&(i.objectDefaults=r),i.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,i.globalizeObjectIds=void 0!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds}try{e.src?this._loadModel(e.src,e,i,t):this._parseModel(e.ifc,e,i,t)}catch(e){this.error(e),t.fire("error",e)}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getIFC(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=t.stats||{};if(r.sourceFormat="IFC",r.schemaVersion="",r.title="",r.author="",r.created="",r.numMetaObjects=0,r.numPropertySets=0,r.numObjects=0,r.numGeometries=0,r.numTriangles=0,r.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";const o=new Uint8Array(e),n=this._ifcAPI.OpenModel(o),a=this._ifcAPI.GetModelSchema(n),l=this._ifcAPI.GetLineIDsWithType(n,this._webIFC.IFCPROJECT).get(0),A=!1!==t.loadMetadata,h={modelID:n,modelSchema:a,sceneModel:s,loadMetadata:A,metadata:A?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:r};if(A){if(i.includeTypes){h.includeTypes={};for(let e=0,t=i.includeTypes.length;e<t;e++)h.includeTypes[i.includeTypes[e]]=!0}if(i.excludeTypes){h.excludeTypes={};for(let e=0,t=i.excludeTypes.length;e<t;e++)h.excludeTypes[i.excludeTypes[e]]=!0}this._parseMetaObjects(h),this._parsePropertySets(h)}if(this._parseGeometry(h),s.finalize(),A){const e=s.id;this.viewer.metaScene.createMetaModel(e,h.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_parseMetaObjects(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}_parseSpatialChildren(e,t,i){const s=this._ifcAPI.GetNameFromTypeCode(t.type);if(e.includeTypes&&!e.includeTypes[s])return;if(e.excludeTypes&&e.excludeTypes[s])return;this._createMetaObject(e,t,i);const r=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,r),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,r)}_createMetaObject(e,t,i){const s=t.GlobalId.value,r=this._ifcAPI.GetNameFromTypeCode(t.type),o={id:s,name:t.Name&&""!==t.Name.value?t.Name.value:r,type:r,parent:i};e.metadata.metaObjects.push(o),e.metaObjects[s]=o,e.stats.numMetaObjects++}_parseRelatedItemsOfType(e,t,i,s,r,o){const n=this._ifcAPI.GetLineIDsWithType(e.modelID,r);for(let r=0;r<n.size();r++){const a=n.get(r),l=this._ifcAPI.GetLine(e.modelID,a),A=l[i];let h=!1;if(Array.isArray(A)){h=A.map((e=>e.value)).includes(t)}else h=A.value===t;if(h){const t=l[s];if(Array.isArray(t))t.forEach((t=>{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}));else{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}}}}_parsePropertySets(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES);for(let i=0;i<t.size();i++){let s=t.get(i),r=this._ifcAPI.GetLine(e.modelID,s,!0);if(r){const t=r.RelatingPropertyDefinition;if(!t)continue;const i=t.GlobalId.value,s=t.HasProperties;if(s&&s.length>0){const o="Default",n=t.Name.value,a=[];for(let e=0,t=s.length;e<t;e++){const t=s[e],i=t.Name,r=t.NominalValue;if(i&&r){const e={name:i.value,type:r.type,value:r.value,valueType:r.valueType};t.Description?e.description=t.Description.value:r.description&&(e.description=r.description),a.push(e)}}const l={id:i,type:o,name:n,properties:a};e.metadata.propertySets.push(l),e.stats.numPropertySets++;const A=r.RelatedObjects;if(!A||0===A.length)return;for(let t=0,s=A.length;t<s;t++){const s=A[t].GlobalId.value,r=e.metaObjects[s];r&&(r.propertySetIds||(r.propertySetIds=[]),r.propertySetIds.push(i))}}}}}_parseGeometry(e){this._ifcAPI.StreamAllMeshes(e.modelID,(t=>{const i=t.expressID,s=t.geometries,r=[],o=this._ifcAPI.GetLine(e.modelID,i).GlobalId.value;if(e.loadMetadata){const t=o,i=e.metaObjects[t];if(e.includeTypes&&(!i||!e.includeTypes[i.type]))return;if(e.excludeTypes&&(!i||e.excludeTypes[i.type]))return}const n=d.mat4(),a=d.vec3();for(let t=0,i=s.size();t<i;t++){const i=s.get(t),o=this._ifcAPI.GetGeometry(e.modelID,i.geometryExpressID),l=this._ifcAPI.GetVertexArray(o.GetVertexData(),o.GetVertexDataSize()),A=this._ifcAPI.GetIndexArray(o.GetIndexData(),o.GetIndexDataSize()),h=new Float64Array(l.length/2),c=new Float32Array(l.length/2);for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)h[t+0]=l[6*e+0],h[t+1]=l[6*e+1],h[t+2]=l[6*e+2];n.set(i.flatTransformation),d.transformPositions3(n,h);const u=q(h,h,a);if(!e.options.autoNormals)for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)c[t+0]=l[6*e+3],c[t+1]=l[6*e+4],c[t+2]=l[6*e+5];e.stats.numGeometries++,e.stats.numVertices+=h.length/3,e.stats.numTriangles+=A.length/3;const p="mesh"+e.nextId++;e.sceneModel.createMesh({id:p,primitive:"triangles",origin:u?a:null,positions:h,normals:e.options.autoNormals?null:c,indices:A,color:[i.color.x,i.color.y,i.color.z],opacity:i.color.w}),r.push(p)}const l=e.options.globalizeObjectIds?d.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:l,meshIds:r,isObject:!0}),e.stats.numObjects++}))}}class eE{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getLAS(e,t,i){e=this._cacheBusterURL(e);var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}const tE={name:"LAS",id:"las",module:"las",version:"3.2.6",worker:!0,extensions:["las","laz"],mimeTypes:["application/octet-stream"],text:!0,binary:!0,tests:["LAS"],options:{las:{shape:"mesh",fp64:!1,skip:1,colorDepth:8}}},iE=[{item:"FileSignature",format:"char",size:4},{item:"FileSoureceID",format:"uShort",size:2},{item:"GlobalEncoding",format:"uShort",size:2},{item:"ProjectID1",format:"notUsed",size:4},{item:"ProjectID2",format:"notUsed",size:2},{item:"ProjectID3",format:"notUsed",size:2},{item:"ProjectID4",format:"notUsed",size:8},{item:"VersionMajor",format:"uChar",size:1},{item:"VersionMinor",format:"uChar",size:1},{item:"SystemIdentifier",format:"char",size:32},{item:"GeneratingSoftware",format:"char",size:32},{item:"CreationDay",format:"uShort",size:2},{item:"CreationYear",format:"uShort",size:2},{item:"HeaderSize",format:"uShort",size:2},{item:"OffsetToPointData",format:"uLong",size:4},{item:"NumberOfVariableLengthRecords",format:"uLong",size:4},{item:"PointDataFormatID",format:"uChar",size:1},{item:"PointDataRecordLength",format:"uShort",size:2},{item:"NumberOfPoints",format:"uLong",size:4},{item:"NumberOfPointByReturn",format:"uLong",size:20},{item:"ScaleFactorX",format:"double",size:8},{item:"ScaleFactorY",format:"double",size:8},{item:"ScaleFactorZ",format:"double",size:8},{item:"OffsetX",format:"double",size:8},{item:"OffsetY",format:"double",size:8},{item:"OffsetZ",format:"double",size:8},{item:"MaxX",format:"double",size:8},{item:"MinX",format:"double",size:8},{item:"MaxY",format:"double",size:8},{item:"MinY",format:"double",size:8},{item:"MaxZ",format:"double",size:8},{item:"MinZ",format:"double",size:8}],sE=[{item:"Reserved",format:"uShort",size:2},{item:"UserId",format:"char",size:16},{item:"RecordId",format:"uShort",size:2},{item:"RecordLengthAfterHeader",format:"uShort",size:2},{item:"Description",format:"char",size:32}],rE=e=>{let t=0,i=0,s=0;const r=new DataView(e),o=new Uint8Array(6e3),n=({item:s,format:o,size:n})=>{let a,l;switch(o){case"char":return l=new Uint8Array(e,t,n),t+=n,a=nE(l),[s,a];case"uShort":return a=r.getUint16(t,!0),t+=n,[s,a];case"uLong":return a=r.getUint32(t,!0),"NumberOfVariableLengthRecords"===s&&(i=a),t+=n,[s,a];case"uChar":return a=r.getUint8(t),t+=n,[s,a];case"double":return a=r.getFloat64(t,!0),t+=n,[s,a];default:t+=n}};return(()=>{const e={};iE.forEach((t=>{const i=n({...t});if(void 0!==i){if("FileSignature"===i[0]&&"LASF"!==i[1])throw new Error("Ivalid FileSignature. Is this a LAS/LAZ file");e[i[0]]=i[1]}}));const r=[];let a=i;for(;a--;){const e={};sE.forEach((i=>{const r=n({...i});e[r[0]]=r[1],"UserId"===r[0]&&"LASF_Projection"===r[1]&&(s=t-18+54)})),r.push(e)}const l=(e=>{if(void 0===e)return;const t=s+e.RecordLengthAfterHeader,i=o.slice(s,t),r=oE(i),n=new DataView(r);let a=6,l=Number(n.getUint16(a,!0));const A=[];for(;l--;){const e={};e.key=n.getUint16(a+=2,!0),e.tiffTagLocation=n.getUint16(a+=2,!0),e.count=n.getUint16(a+=2,!0),e.valueOffset=n.getUint16(a+=2,!0),A.push(e)}const h=A.find((e=>3072===e.key));if(h&&h.hasOwnProperty("valueOffset"))return h.valueOffset})(r.find((e=>"LASF_Projection"===e.UserId)));return l&&(e.epsg=l),e})()},oE=e=>{let t=new ArrayBuffer(e.length),i=new Uint8Array(t);for(let t=0;t<e.length;++t)i[t]=e[t];return t},nE=e=>{let t="";return e.forEach((e=>{let i=String.fromCharCode(e);"\0"!==i&&(t+=i)})),t.trim()};class aE extends z{constructor(e,t={}){super("lasLoader",e,t),this.dataSource=t.dataSource,this.skip=t.skip,this.fp64=t.fp64,this.colorDepth=t.colorDepth,this.center=t.center,this.rotate=t.rotate,this.rotateX=t.rotateX,this.transform=t.transform}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new eE}get skip(){return this._skip}set skip(e){this._skip=e||1}get fp64(){return this._fp64}set fp64(e){this._fp64=!!e}get colorDepth(){return this._colorDepth}set colorDepth(e){this._colorDepth=e||"auto"}get center(){return this._center}set center(e){this._center=!!e}get transform(){return this._transform}set transform(e){this._transform=e}get rotate(){return this._rotate}set rotate(e){this._rotate=e}get rotateX(){return this._rotateX}set rotateX(e){this._rotateX=e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{maxGeometryBatchSize:5e5,isModel:!0}));if(!e.src&&!e.las)return this.error("load() param expected: src or las"),t;const i={las:{skip:this._skip,fp64:this._fp64,colorDepth:this._colorDepth}};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.las,e,i,t).then((()=>{s.processes--}),(e=>{s.processes--,this.error(e),t.fire("error",e)}))}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getLAS(t.src,(e=>{this._parseModel(e,t,i,s).then((()=>{r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){const r=e=>{const t=e.value;if(this._center){const e=d.vec3(),i=t.length;for(let i=0,s=t.length;i<s;i+=3)e[0]+=t[i+0],e[1]+=t[i+1],e[2]+=t[i+2];e[0]/=i,e[1]/=i,e[2]/=i;for(let i=0,s=t.length;i<s;i+=3)t[i+0]-=e[0],t[i+1]-=e[1],t[i+2]-=e[2]}if(this._rotateX&&t)for(let e=0,i=t.length;e<i;e+=3){const i=t[e+1];t[e+1]=t[e+2],t[e+2]=i}if(this._rotate){const e=d.identityQuaternion(),i=d.mat4();d.eulerToQuaternion(this._rotate,"XYZ",e),d.quaternionToRotationMat4(e,i);const s=d.vec3();for(let e=0,r=t.length;e<r;e+=3)s[0]=t[e+0],s[1]=t[e+1],s[2]=t[e+2],d.transformPoint3(i,s,s),t[e+0]=s[0],t[e+1]=s[1],t[e+2]=s[2]}if(this._transform){const e=d.mat4(this._transform),i=d.vec3();for(let s=0,r=t.length;s<r;s+=3)i[0]=t[s+0],i[1]=t[s+1],i[2]=t[s+2],d.transformPoint3(e,i,i),t[s+0]=i[0],t[s+1]=i[1],t[s+2]=i[2]}return t};function o(e,t){const i=e.value,s=e.size,r=t.value,o=4*r.length,n=new Uint8Array(o);for(let e=0,t=0,o=0,a=r.length;e<a;e++,o+=s,t+=4)n[t+0]=i[o+0],n[t+1]=i[o+1],n[t+2]=i[o+2],n[t+3]=Math.round(r[e]/65536*255);return n}function n(e){const t=e.value,i=4*t.length,s=new Uint8Array(i);for(let e=0,i=0,r=t.length;e<r;e++,i+=4)s[i+0]=0,s[i+1]=0,s[i+2]=0,s[i+3]=Math.round(t[e]/65536*255);return s}return new Promise(((a,l)=>{if(s.destroyed)return void l();const A=t.stats||{};A.sourceFormat="LAS",A.schemaVersion="",A.title="",A.author="",A.created="",A.numMetaObjects=0,A.numPropertySets=0,A.numObjects=0,A.numGeometries=0,A.numTriangles=0,A.numVertices=0;try{const A=rE(e);tB(e,tE,i).then((e=>{const h=e.attributes,c=e.loaderData,u=void 0!==c.pointsFormatId?c.pointsFormatId:-1;if(!h.POSITION)return s.finalize(),void l("No positions found in file");let p,f;switch(u){case 0:p=r(h.POSITION),f=n(h.intensity);break;case 1:if(!h.intensity)return s.finalize(),void l("No positions found in file");p=r(h.POSITION),f=n(h.intensity);break;case 2:case 3:if(!h.intensity)return s.finalize(),void l("No positions found in file");p=r(h.POSITION),f=o(h.COLOR_0,h.intensity)}const g=lE(p,15e5),m=lE(f,2e6),_=[];for(let e=0,t=g.length;e<t;e++){const t=`pointsMesh${e}`;_.push(t),s.createMesh({id:t,primitive:"points",positions:g[e],colorsCompressed:e<m.length?m[e]:null})}const v=t.entityId||d.createUUID();if(s.createEntity({id:v,meshIds:_,isObject:!0}),s.finalize(),t.metaModelJSON){const e=s.id;this.viewer.metaScene.createMetaModel(e,t.metaModelJSON,i)}else if(!1!==t.loadMetadata){const e=d.createUUID(),t={projectId:"",author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[{id:e,name:"Model",type:"Model"},{id:v,name:"PointCloud (LAS)",type:"PointCloud",parent:e,attributes:A||{}}],propertySets:[]},r=s.id;this.viewer.metaScene.createMetaModel(r,t,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))})),a()}))}catch(e){s.finalize(),l(e)}}))}}function lE(e,t){if(t>=e.length)return[e];let i=[];for(let s=0;s<e.length;s+=t)i.push(e.slice(s,s+t));return i}class AE{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getCityJSON(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}}function hE(e,t,i){i=i||2;var s,r,o,n,a,l,A,h=t&&t.length,c=h?t[0]*i:e.length,u=cE(e,0,c,i,!0),d=[];if(!u||u.next===u.prev)return d;if(h&&(u=function(e,t,i,s){var r,o,n,a=[];for(r=0,o=t.length;r<o;r++)(n=cE(e,t[r]*s,r<o-1?t[r+1]*s:e.length,s,!1))===n.next&&(n.steiner=!0),a.push(xE(n));for(a.sort(_E),r=0;r<a.length;r++)vE(a[r],i),i=uE(i,i.next);return i}(e,t,u,i)),e.length>80*i){s=o=e[0],r=n=e[1];for(var p=i;p<c;p+=i)(a=e[p])<s&&(s=a),(l=e[p+1])<r&&(r=l),a>o&&(o=a),l>n&&(n=l);A=0!==(A=Math.max(o-s,n-r))?1/A:0}return dE(u,d,i,s,r,A),d}function cE(e,t,i,s,r){var o,n;if(r===LE(e,t,i,s)>0)for(o=t;o<i;o+=s)n=SE(o,e[o],e[o+1],n);else for(o=i-s;o>=t;o-=s)n=SE(o,e[o],e[o+1],n);return n&&CE(n,n.next)&&(TE(n),n=n.next),n}function uE(e,t){if(!e)return e;t||(t=e);var i,s=e;do{if(i=!1,s.steiner||!CE(s,s.next)&&0!==PE(s.prev,s,s.next))s=s.next;else{if(TE(s),(s=t=s.prev)===s.next)break;i=!0}}while(i||s!==t);return t}function dE(e,t,i,s,r,o,n){if(e){!n&&o&&function(e,t,i,s){var r=e;do{null===r.z&&(r.z=yE(r.x,r.y,t,i,s)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==e);r.prevZ.nextZ=null,r.prevZ=null,function(e){var t,i,s,r,o,n,a,l,A=1;do{for(i=e,e=null,o=null,n=0;i;){for(n++,s=i,a=0,t=0;t<A&&(a++,s=s.nextZ);t++);for(l=A;a>0||l>0&&s;)0!==a&&(0===l||!s||i.z<=s.z)?(r=i,i=i.nextZ,a--):(r=s,s=s.nextZ,l--),o?o.nextZ=r:e=r,r.prevZ=o,o=r;i=s}o.nextZ=null,A*=2}while(n>1)}(r)}(e,s,r,o);for(var a,l,A=e;e.prev!==e.next;)if(a=e.prev,l=e.next,o?fE(e,s,r,o):pE(e))t.push(a.i/i),t.push(e.i/i),t.push(l.i/i),TE(e),e=l.next,A=l.next;else if((e=l)===A){n?1===n?dE(e=gE(uE(e),t,i),t,i,s,r,o,2):2===n&&mE(e,t,i,s,r,o):dE(uE(e),t,i,s,r,o,1);break}}}function pE(e){var t=e.prev,i=e,s=e.next;if(PE(t,i,s)>=0)return!1;for(var r=e.next.next;r!==e.prev;){if(BE(t.x,t.y,i.x,i.y,s.x,s.y,r.x,r.y)&&PE(r.prev,r,r.next)>=0)return!1;r=r.next}return!0}function fE(e,t,i,s){var r=e.prev,o=e,n=e.next;if(PE(r,o,n)>=0)return!1;for(var a=r.x<o.x?r.x<n.x?r.x:n.x:o.x<n.x?o.x:n.x,l=r.y<o.y?r.y<n.y?r.y:n.y:o.y<n.y?o.y:n.y,A=r.x>o.x?r.x>n.x?r.x:n.x:o.x>n.x?o.x:n.x,h=r.y>o.y?r.y>n.y?r.y:n.y:o.y>n.y?o.y:n.y,c=yE(a,l,t,i,s),u=yE(A,h,t,i,s),d=e.prevZ,p=e.nextZ;d&&d.z>=c&&p&&p.z<=u;){if(d!==e.prev&&d!==e.next&&BE(r.x,r.y,o.x,o.y,n.x,n.y,d.x,d.y)&&PE(d.prev,d,d.next)>=0)return!1;if(d=d.prevZ,p!==e.prev&&p!==e.next&&BE(r.x,r.y,o.x,o.y,n.x,n.y,p.x,p.y)&&PE(p.prev,p,p.next)>=0)return!1;p=p.nextZ}for(;d&&d.z>=c;){if(d!==e.prev&&d!==e.next&&BE(r.x,r.y,o.x,o.y,n.x,n.y,d.x,d.y)&&PE(d.prev,d,d.next)>=0)return!1;d=d.prevZ}for(;p&&p.z<=u;){if(p!==e.prev&&p!==e.next&&BE(r.x,r.y,o.x,o.y,n.x,n.y,p.x,p.y)&&PE(p.prev,p,p.next)>=0)return!1;p=p.nextZ}return!0}function gE(e,t,i){var s=e;do{var r=s.prev,o=s.next.next;!CE(r,o)&&ME(r,s,s.next,o)&&IE(r,o)&&IE(o,r)&&(t.push(r.i/i),t.push(s.i/i),t.push(o.i/i),TE(s),TE(s.next),s=e=o),s=s.next}while(s!==e);return uE(s)}function mE(e,t,i,s,r,o){var n=e;do{for(var a=n.next.next;a!==n.prev;){if(n.i!==a.i&&wE(n,a)){var l=DE(n,a);return n=uE(n,n.next),l=uE(l,l.next),dE(n,t,i,s,r,o),void dE(l,t,i,s,r,o)}a=a.next}n=n.next}while(n!==e)}function _E(e,t){return e.x-t.x}function vE(e,t){if(t=function(e,t){var i,s=t,r=e.x,o=e.y,n=-1/0;do{if(o<=s.y&&o>=s.next.y&&s.next.y!==s.y){var a=s.x+(o-s.y)*(s.next.x-s.x)/(s.next.y-s.y);if(a<=r&&a>n){if(n=a,a===r){if(o===s.y)return s;if(o===s.next.y)return s.next}i=s.x<s.next.x?s:s.next}}s=s.next}while(s!==t);if(!i)return null;if(r===n)return i;var l,A=i,h=i.x,c=i.y,u=1/0;s=i;do{r>=s.x&&s.x>=h&&r!==s.x&&BE(o<c?r:n,o,h,c,o<c?n:r,o,s.x,s.y)&&(l=Math.abs(o-s.y)/(r-s.x),IE(s,e)&&(l<u||l===u&&(s.x>i.x||s.x===i.x&&bE(i,s)))&&(i=s,u=l)),s=s.next}while(s!==A);return i}(e,t),t){var i=DE(t,e);uE(t,t.next),uE(i,i.next)}}function bE(e,t){return PE(e.prev,e,t.prev)<0&&PE(t.next,e,e.next)<0}function yE(e,t,i,s,r){return(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=32767*(e-i)*r)|e<<8))|e<<4))|e<<2))|e<<1))|(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=32767*(t-s)*r)|t<<8))|t<<4))|t<<2))|t<<1))<<1}function xE(e){var t=e,i=e;do{(t.x<i.x||t.x===i.x&&t.y<i.y)&&(i=t),t=t.next}while(t!==e);return i}function BE(e,t,i,s,r,o,n,a){return(r-n)*(t-a)-(e-n)*(o-a)>=0&&(e-n)*(s-a)-(i-n)*(t-a)>=0&&(i-n)*(o-a)-(r-n)*(s-a)>=0}function wE(e,t){return e.next.i!==t.i&&e.prev.i!==t.i&&!function(e,t){var i=e;do{if(i.i!==e.i&&i.next.i!==e.i&&i.i!==t.i&&i.next.i!==t.i&&ME(i,i.next,e,t))return!0;i=i.next}while(i!==e);return!1}(e,t)&&(IE(e,t)&&IE(t,e)&&function(e,t){var i=e,s=!1,r=(e.x+t.x)/2,o=(e.y+t.y)/2;do{i.y>o!=i.next.y>o&&i.next.y!==i.y&&r<(i.next.x-i.x)*(o-i.y)/(i.next.y-i.y)+i.x&&(s=!s),i=i.next}while(i!==e);return s}(e,t)&&(PE(e.prev,e,t.prev)||PE(e,t.prev,t))||CE(e,t)&&PE(e.prev,e,e.next)>0&&PE(t.prev,t,t.next)>0)}function PE(e,t,i){return(t.y-e.y)*(i.x-t.x)-(t.x-e.x)*(i.y-t.y)}function CE(e,t){return e.x===t.x&&e.y===t.y}function ME(e,t,i,s){var r=FE(PE(e,t,i)),o=FE(PE(e,t,s)),n=FE(PE(i,s,e)),a=FE(PE(i,s,t));return r!==o&&n!==a||(!(0!==r||!EE(e,i,t))||(!(0!==o||!EE(e,s,t))||(!(0!==n||!EE(i,e,s))||!(0!==a||!EE(i,t,s)))))}function EE(e,t,i){return t.x<=Math.max(e.x,i.x)&&t.x>=Math.min(e.x,i.x)&&t.y<=Math.max(e.y,i.y)&&t.y>=Math.min(e.y,i.y)}function FE(e){return e>0?1:e<0?-1:0}function IE(e,t){return PE(e.prev,e,e.next)<0?PE(e,t,e.next)>=0&&PE(e,e.prev,t)>=0:PE(e,t,e.prev)<0||PE(e,e.next,t)<0}function DE(e,t){var i=new RE(e.i,e.x,e.y),s=new RE(t.i,t.x,t.y),r=e.next,o=t.prev;return e.next=t,t.prev=e,i.next=r,r.prev=i,s.next=i,i.prev=s,o.next=s,s.prev=o,s}function SE(e,t,i,s){var r=new RE(e,t,i);return s?(r.next=s.next,r.prev=s,s.next.prev=r,s.next=r):(r.prev=r,r.next=r),r}function TE(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function RE(e,t,i){this.i=e,this.x=t,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function LE(e,t,i,s){for(var r=0,o=t,n=i-s;o<i;o+=s)r+=(e[n]-e[o])*(e[o+1]+e[n+1]),n=o;return r}hE.deviation=function(e,t,i,s){var r=t&&t.length,o=r?t[0]*i:e.length,n=Math.abs(LE(e,0,o,i));if(r)for(var a=0,l=t.length;a<l;a++){var A=t[a]*i,h=a<l-1?t[a+1]*i:e.length;n-=Math.abs(LE(e,A,h,i))}var c=0;for(a=0;a<s.length;a+=3){var u=s[a]*i,d=s[a+1]*i,p=s[a+2]*i;c+=Math.abs((e[u]-e[p])*(e[d+1]-e[u+1])-(e[u]-e[d])*(e[p+1]-e[u+1]))}return 0===n&&0===c?0:Math.abs((c-n)/n)},hE.flatten=function(e){for(var t=e[0][0].length,i={vertices:[],holes:[],dimensions:t},s=0,r=0;r<e.length;r++){for(var o=0;o<e[r].length;o++)for(var n=0;n<t;n++)i.vertices.push(e[r][o][n]);r>0&&(s+=e[r-1].length,i.holes.push(s))}return i};const UE=d.vec2(),OE=d.vec3(),kE=d.vec3(),NE=d.vec3();class QE extends z{constructor(e,t={}){super("cityJSONLoader",e,t),this.dataSource=t.dataSource}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new AE}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{isModel:!0,edges:!0}));if(!e.src&&!e.cityJSON)return this.error("load() param expected: src or cityJSON"),t;const i={};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.cityJSON,e,i,t),s.processes--}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getCityJSON(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,o=t.stats||{};o.sourceFormat=e.type||"CityJSON",o.schemaVersion=e.version||"",o.title="",o.author="",o.created="",o.numMetaObjects=0,o.numPropertySets=0,o.numObjects=0,o.numGeometries=0,o.numTriangles=0,o.numVertices=0;const n=!1!==t.loadMetadata,a=n?{id:d.createUUID(),name:"Model",type:"Model"}:null,l=n?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,A={data:e,vertices:r,sceneModel:s,loadMetadata:n,metadata:l,rootMetaObject:a,nextId:0,stats:o};if(this._parseCityJSON(A),s.finalize(),n){const e=s.id;this.viewer.metaScene.createMetaModel(e,A.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_transformVertices(e,t,i){const s=[],r=t.scale||d.vec3([1,1,1]),o=t.translate||d.vec3([0,0,0]);for(let t=0,n=0;t<e.length;t++,n+=3){const n=e[t][0]*r[0]+o[0],a=e[t][1]*r[1]+o[1],l=e[t][2]*r[2]+o[2];i?s.push([n,l,a]):s.push([n,a,l])}return s}_parseCityJSON(e){const t=e.data.CityObjects;for(const i in t)if(t.hasOwnProperty(i)){const s=t[i];this._parseCityObject(e,s,i)}}_parseCityObject(e,t,i){const s=e.sceneModel,r=e.data;if(e.loadMetadata){const s=i,r=t.type,o=r+" : "+i,n=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:s,name:o,type:r,parent:n})}if(e.stats.numMetaObjects++,!(t.geometry&&t.geometry.length>0))return;const o=[];for(let i=0,s=t.geometry.length;i<s;i++){const s=t.geometry[i];let n,a;const l=r.appearance;if(l){const e=l.materials;if(e){const t=s.material;if(t){const s=Object.keys(t);if(s.length>0){const r=t[s[0]];if(void 0!==r.value)n=e[r.value];else{const t=r.values;if(t){a=[];for(let s=0,r=t.length;s<r;s++){const s=e[t[i]];a.push(s)}}}}}}}a?this._parseGeometrySurfacesWithOwnMaterials(e,s,a,o):this._parseGeometrySurfacesWithSharedMaterial(e,s,n,o)}o.length>0&&(s.createEntity({id:i,meshIds:o,isObject:!0}),e.stats.numObjects++)}_parseGeometrySurfacesWithOwnMaterials(e,t,i,s){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const r=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,r,s);break;case"Solid":const o=t.boundaries;for(let t=0;t<o.length;t++){const r=o[t];this._parseSurfacesWithOwnMaterials(e,i,r,s)}break;case"MultiSolid":case"CompositeSolid":const n=t.boundaries;for(let t=0;t<n.length;t++)for(let r=0;r<n[t].length;r++){const o=n[t][r];this._parseSurfacesWithOwnMaterials(e,i,o,s)}}}_parseSurfacesWithOwnMaterials(e,t,i,s){const r=e.vertices,o=e.sceneModel;for(let n=0;n<i.length;n++){const a=i[n],l=t[n]||{diffuseColor:[.8,.8,.8],transparency:1},A=[],h=[],c=[],u={positions:[],indices:[]};for(let t=0;t<a.length;t++){A.length>0&&h.push(A.length);const i=this._extractLocalIndices(e,a[t],c,u);A.push(...i)}if(3===A.length)u.indices.push(A[0]),u.indices.push(A[1]),u.indices.push(A[2]);else if(A.length>3){const e=[];for(let t=0;t<A.length;t++)e.push({x:r[c[A[t]]][0],y:r[c[A[t]]][1],z:r[c[A[t]]][2]});const t=this._getNormalOfPositions(e,d.vec3());let i=[];for(let s=0;s<e.length;s++)this._to2D(e[s],t,UE),i.unshift(UE[0]),i.unshift(UE[1]);const s=hE(i,h,2);for(let e=0;e<s.length;e+=3)u.indices.unshift(A[s[e]]),u.indices.unshift(A[s[e+1]]),u.indices.unshift(A[s[e+2]])}const p=""+e.nextId++;o.createMesh({id:p,primitive:"triangles",positions:u.positions,indices:u.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),s.push(p),e.stats.numGeometries++,e.stats.numVertices+=u.positions.length/3,e.stats.numTriangles+=u.indices.length/3}}_parseGeometrySurfacesWithSharedMaterial(e,t,i,s){const r=e.sceneModel,o=[],n={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const i=t.boundaries;this._parseSurfacesWithSharedMaterial(e,i,o,n);break;case"Solid":const s=t.boundaries;for(let t=0;t<s.length;t++){const i=s[t];this._parseSurfacesWithSharedMaterial(e,i,o,n)}break;case"MultiSolid":case"CompositeSolid":const r=t.boundaries;for(let t=0;t<r.length;t++)for(let i=0;i<r[t].length;i++){const s=r[t][i];this._parseSurfacesWithSharedMaterial(e,s,o,n)}}if(n.positions.length>0&&n.indices.length>0){const t=""+e.nextId++;r.createMesh({id:t,primitive:"triangles",positions:n.positions,indices:n.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),s.push(t),e.stats.numGeometries++,e.stats.numVertices+=n.positions.length/3,e.stats.numTriangles+=n.indices.length/3}}_parseSurfacesWithSharedMaterial(e,t,i,s){const r=e.vertices;for(let o=0;o<t.length;o++){let n=[],a=[];for(let r=0;r<t[o].length;r++){n.length>0&&a.push(n.length);const l=this._extractLocalIndices(e,t[o][r],i,s);n.push(...l)}if(3===n.length)s.indices.push(n[0]),s.indices.push(n[1]),s.indices.push(n[2]);else if(n.length>3){let e=[];for(let t=0;t<n.length;t++)e.push({x:r[i[n[t]]][0],y:r[i[n[t]]][1],z:r[i[n[t]]][2]});const t=this._getNormalOfPositions(e,d.vec3());let o=[];for(let i=0;i<e.length;i++)this._to2D(e[i],t,UE),o.unshift(UE[0]),o.unshift(UE[1]);const l=hE(o,a,2);for(let e=0;e<l.length;e+=3)s.indices.unshift(n[l[e]]),s.indices.unshift(n[l[e+1]]),s.indices.unshift(n[l[e+2]])}}}_extractLocalIndices(e,t,i,s){const r=e.vertices,o=[];for(let e=0,n=t.length;e<n;e++){const n=t[e];if(i.includes(n)){const e=i.indexOf(n);o.push(e)}else s.positions.push(r[n][0]),s.positions.push(r[n][1]),s.positions.push(r[n][2]),o.push(i.length),i.push(n)}return o}_getNormalOfPositions(e,t){for(let i=0;i<e.length;i++){let s=i+1;s===e.length&&(s=0),t[0]+=(e[i].y-e[s].y)*(e[i].z+e[s].z),t[1]+=(e[i].z-e[s].z)*(e[i].x+e[s].x),t[2]+=(e[i].x-e[s].x)*(e[i].y+e[s].y)}return d.normalizeVec3(t)}_to2D(e,t,i){const s=OE,r=kE,o=NE;s[0]=e.x,s[1]=e.y,s[2]=e.z,r[0]=t.x,r[1]=t.y,r[2]=t.z,o[0]=1.1,o[1]=1.1,o[2]=1.1;d.lenVec3(d.subVec3(o,r))<.01&&(o[0]+=1,o[1]+=2,o[2]+=3);const n=d.dotVec3(o,r),a=d.mulVec3Scalar(r,n,d.vec3());o[0]-=a[0],o[1]-=a[1],o[2]-=a[2],d.normalizeVec3(o);const l=d.cross3Vec3(r,o,d.vec3()),A=d.dotVec3(s,o),h=d.dotVec3(s,l);i[0]=A,i[1]=h}}class VE{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getDotBIM(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}}class HE extends z{constructor(e,t={}){super("DotBIMLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new VE}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||jP}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new zc(this.viewer.scene,y.apply(e,{isModel:!0,backfaces:e.backfaces,dtxEnabled:e.dtxEnabled,rotation:e.rotation,origin:e.origin})),i=t.id;if(!e.src&&!e.dotBIM)return this.error("load() param expected: src or dotBIM"),t;const s=e.objectDefaults||this._objectDefaults||jP;let r,o;if(e.includeTypes){r={};for(let t=0,i=e.includeTypes.length;t<i;t++)r[e.includeTypes[t]]=!0}if(e.excludeTypes){o={},r||(r={});for(let t=0,i=e.excludeTypes.length;t<i;t++)r[e.excludeTypes[t]]=!0}const n=e=>{const t=e.fileData,n=e.sceneModel,a={},l=d.createUUID(),A=d.createUUID(),h=d.createUUID(),c=d.createUUID(),u={metaObjects:[{id:l,name:"Project",type:"Project",parent:null},{id:A,name:"Site",type:"Site",parent:l},{id:h,name:"Building",type:"Building",parent:A},{id:c,name:"BuildingStorey",type:"BuildingStorey",parent:h}],propertySets:[]},p=(e,i)=>{if(a[e])return;const s=t.meshes.find((e=>e.mesh_id===i.mesh_id));n.createGeometry({id:e,primitive:"triangles",positions:s.coordinates,indices:s.indices}),a[e]=!0},f=t.elements;for(let e=0,i=f.length;e<i;e++){const i=f[e],a=i.type;if(o&&o[a])continue;if(r&&!r[a])continue;const l=i.info,A=void 0!==i.guid?`${i.guid}`:void 0!==l&&void 0!==l.id?l.id:e,h=i.mesh_id,d=i.vector,g=i.rotation,m=s?s[a]||s.DEFAULT:null;let _=!0,v=!0;if(void 0===i.face_colors){p(h,i);const e=`${A}-mesh`;let t=i.color?[i.color.r/255,i.color.g/255,i.color.b/255]:[1,1,1],s=i.color?i.color.a/255:1;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(t=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(s=m.opacity)),n.createMesh({id:e,geometryId:h,color:t,opacity:s,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:d?[d.x,d.y,d.z]:void 0}),n.createEntity({id:A,meshIds:[e],visible:_,pickable:v,isObject:!0})}else{let e=i.face_colors,s={},r=0,o=t.meshes.find((e=>e.mesh_id===i.mesh_id));for(let t=0,i=e.length;t<i;t+=4){let i=[e[t],e[t+1],e[t+2],e[t+3]];void 0===s[i]&&(s[i]=[]);let n=o.indices[r],a=o.coordinates[3*n],l=o.coordinates[3*n+1],A=o.coordinates[3*n+2],h=o.indices[r+1],c=o.coordinates[3*h],u=o.coordinates[3*h+1],d=o.coordinates[3*h+2],p=o.indices[r+2],f=o.coordinates[3*p],g=o.coordinates[3*p+1],m=o.coordinates[3*p+2];s[i].push(a,l,A,c,u,d,f,g,m),r+=3}let a=[];for(const[e,t]of Object.entries(s)){n.createGeometry({id:`${h}-${e}`,primitive:"triangles",positions:t,indices:[...Array(t.length/3).keys()]});const i=`${A}-mesh-${e}`,s=e.split(",").map(Number);let r=[s[0]/255,s[1]/255,s[2]/255],o=s[3]/255;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(r=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(o=m.opacity)),n.createMesh({id:i,geometryId:`${h}-${e}`,color:r,opacity:o,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:d?[d.x,d.y,d.z]:void 0}),a.push(i)}n.createEntity({id:A,meshIds:a,visible:_,pickable:v,isObject:!0})}let b=[];for(let e in l)b.push({name:e,value:l[e]});u.propertySets.push({id:A,name:"Properties",properties:b}),u.metaObjects.push({id:A,name:l&&l.Name&&"None"!==l.Name?l.Name:`${i.type} ${A}`,type:i.type,parent:c,propertySetIds:[A]})}n.finalize(),this.viewer.metaScene.createMetaModel(i,u),n.scene.once("tick",(()=>{n.destroyed||(n.scene.fire("modelLoaded",n.id),n.fire("loaded",!0,!1))}))};if(e.src){const i=e.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(i,(e=>{n({fileData:e,sceneModel:t,nextId:0,error:function(e){}}),this.viewer.scene.canvas.spinner.processes--}),(e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e)}))}else if(e.dotBIM){const i={fileData:e.dotBIM,sceneModel:t,nextId:0,error:function(e){}};n(i)}return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}const jE=function(e){const t=t=>parseInt(e.substr(t+1,2),16)/255;return[t(0),t(2),t(4)]},GE=function(e){const t=[];for(let i=0;i<e.length;++i)t.push(i);const i=function(){const i=d.vec2(),s=d.vec2();let r=0;for(let o=0;o<t.length;++o){const n=e[t[o]],a=e[t[(o+1)%t.length]],l=e[t[(o+2)%t.length]];d.subVec2(n,a,i),d.subVec2(l,a,s);const A=d.dotVec2(i,s)/Math.sqrt(d.sqLenVec2(i)*d.sqLenVec2(s)),h=Math.acos(Math.max(-1,Math.min(A,1)));r+=i[0]*s[1]-i[1]*s[0]>=0?h:2*Math.PI-h}return r<t.length*Math.PI}(),s=function(){const e=(e,t,i)=>(e[0]-i[0])*(t[1]-i[1])-(t[0]-i[0])*(e[1]-i[1]);return(t,i,s,r)=>{const o=e(t,i,s),n=e(t,s,r),a=e(t,r,i);return!((o<0||n<0||a<0)&&(o>0||n>0||a>0))}}(),r=[],o=(i?t:t.slice(0).reverse()).map((e=>({idx:e})));o.forEach(((e,t)=>{e.prev=o[(t-1+o.length)%o.length],e.next=o[(t+1)%o.length]}));const n=d.vec2(),a=d.vec2();for(;o.length>2;){let t=0;for(;;){if(t>=o.length)throw`isCCW = ${i}; earIdx = ${t}; len = ${o.length}`;const r=o[t],l=e[r.prev.idx],A=e[r.idx],h=e[r.next.idx];if(d.subVec2(l,A,n),d.subVec2(h,A,a),n[0]*a[1]-n[1]*a[0]>=0&&o.every((t=>t===r||t===r.prev||t===r.next||!s(e[t.idx],l,A,h))))break;++t}const l=o[t];o.splice(t,1),r.push([l.idx,l.next.idx,l.prev.idx]);l.prev.next=l.next;l.next.prev=l.prev}return[e,r,i]},zE=function(e,t){const i=e.canvas.canvas,s=i.parentNode,r=document.createElement("div");s.insertBefore(r,i);let o=5;r.style.background=t,r.style.border="2px solid white",r.style.margin="0 0",r.style.zIndex="100",r.style.position="absolute",r.style.pointerEvents="none",r.style.display="none";const n=new fe(e,{}),a=e=>e+"px",l=function(){const e=n.canvasPos.slice();me(i,s,e),r.style.left=a(e[0]-3-o/2),r.style.top=a(e[1]-3-o/2),r.style.borderRadius=a(2*o),r.style.width=a(o),r.style.height=a(o)},A=e.camera.on("viewMatrix",l),h=e.camera.on("projMatrix",l);return{update:function(e){e&&(n.worldPos=e,l()),r.style.display=e?"":"none"},setHighlighted:function(e){o=e?10:5,l()},getCanvasPos:()=>n.canvasPos,getWorldPos:()=>n.worldPos,destroy:function(){r.parentNode.removeChild(r),e.camera.off(A),e.camera.off(h),n.destroy()}}},WE=function(e,t,i){let s=null;const r=r=>{if(r){s&&s.destroy();try{const[o,n]=GE(r.map((e=>[e[0],e[2]]))),a=[].concat(...o.map((e=>[e[0],r[0][1],e[1]]))),l=[].concat(...n);s=new Pr(e,{pickable:!1,geometry:new ti(e,{positions:a,indices:l,normals:d.buildNormals(a,l)}),material:new ni(e,{alpha:void 0!==i?i:.5,backfaces:!0,diffuse:jE(t)})})}catch(e){s=null}}s&&(s.visible=!!r)};return r(null),{updateBase:r,destroy:()=>s&&s.destroy()}},KE=function(e,t){return function(i,s,r){const o=e.scene,n=o.canvas.canvas,a=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,me(n.ownerDocument.documentElement,n,t),t),l=e=>{const i=d.vec3(),s=d.vec3();return d.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,i,s),t(i,s)};let A=!1;const h=function(){A=!1},c=function(){h(),n.removeEventListener("mousedown",p),n.removeEventListener("mousemove",f),e.cameraControl.off(g),n.removeEventListener("mouseup",m)},u=d.vec2(),p=function(e){1===e.which&&(a(e,u),A=!0)};n.addEventListener("mousedown",p);const f=function(e){const t=a(e,d.vec2());A&&d.distVec2(u,t)>20&&(h(),i())};n.addEventListener("mousemove",f);const g=e.cameraControl.on("rayMove",(e=>{const t=e.canvasPos;s(t,l(t))})),m=function(e){if(1===e.which&&A){c();const t=a(e,d.vec2());r(t,l(t))}};return n.addEventListener("mouseup",m),c}},XE=function(e,t,i,s){const r=-(d.dotVec3(i,t)-e)/d.dotVec3(s,t);{const e=d.vec3();return d.mulVec3Scalar(s,r,e),d.addVec3(i,e,e),e}};class JE extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={},this.plugin.viewer.scene,this._geometry=t.geometry,t.onMouseOver,t.onMouseLeave,t.onContextMenu,this._alpha="alpha"in t&&void 0!==t.alpha?t.alpha:.5,this.color=t.color,this._visible=!0,this._rebuildMesh()}_rebuildMesh(){const e=this.plugin.viewer.scene,t=this._geometry.planeCoordinates.slice(),i=this._geometry.height<0,s=this._geometry.altitude+(i?this._geometry.height:0),r=this._geometry.height*(i?-1:1),[o,n,a]=GE(t),l=[],A=[],h=e=>{const t=l.length;for(let t of o)l.push([t[0],s+(e?r:0),t[1]]);for(let i of n)A.push(...(e?i:i.slice(0).reverse()).map((e=>e+t)))};h(!1),h(!0);for(let e=0;e<o.length;++e){const t=o[e],i=o[(o.length+e+(a?1:-1))%o.length],n=s,h=s+r,c=l.length;l.push([t[0],n,t[1]],[i[0],n,i[1]],[i[0],h,i[1]],[t[0],h,t[1]]),A.push(...[0,1,2,0,2,3].map((e=>e+c)))}this._zoneMesh&&this._zoneMesh.destroy();const c=[].concat(...l);this._zoneMesh=new Pr(e,{edges:this._edges,geometry:new ti(e,{positions:c,indices:A,normals:d.buildNormals(c,A)}),material:new ni(e,{alpha:this._alpha,backfaces:!0,diffuse:jE(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;{const e=d.vec2(),t=d.vec2();let i=0;for(let s of n){const r=o[s[0]],n=o[s[1]],a=o[s[2]];d.subVec2(n,r,e),d.subVec2(a,r,t),i+=Math.abs(e[0]*t[1]-e[1]*t[0])}this._baseArea=i/2}this._metrics=null;const u=e=>Math.min(...l.map((t=>t[e]))),p=e=>Math.max(...l.map((t=>t[e]))),f=u(0),g=u(1),m=u(2),_=p(0),v=p(1),b=p(2);this._center=d.vec3([(f+_)/2,(g+v)/2,(m+b)/2])}get baseArea(){return this._baseArea}get area(){return this._getMetrics().area}get volume(){return this._getMetrics().volume}_getMetrics(){if(null===this._metrics){let e=0,t=0;const i=this._zoneMesh.geometry,s=[d.vec3(),d.vec3(),d.vec3()],r=d.vec3();for(let o=0;o<i.indices.length;o+=3){for(let e=0;e<3;++e){const t=s[e],r=3*i.indices[o+e];for(let e=0;e<3;++e)t[e]=i.positions[r+e]}e+=d.dotVec3(s[0],d.cross3Vec3(s[1],s[2],r)),d.subVec3(s[1],s[0],s[1]),d.subVec3(s[2],s[0],s[2]),t+=d.lenVec3(d.cross3Vec3(s[1],s[2],r))}this._metrics={area:t/2,volume:e/6}}return this._metrics}sectionedAverage(e){const t=this._geometry.planeCoordinates.slice();let i=[];{const e=this._geometry.height,s=this._geometry.altitude,r=s+Math.max(0,e),o=s+Math.min(0,e),n=e=>{const s=t.map((t=>[t[0],e?r:o,t[1]]));i.push(e?s:s.slice(0).reverse())};n(!0),n(!1);const a=(e,i)=>[t[e][0],i,t[e][1]];for(let e=0;e<t.length;++e){const s=(e+1)%t.length;i.push([a(e,o),a(s,o),a(s,r),a(e,r)])}}for(const t of e){const e=t.dir,r=t.dist,o=[];for(const t of i){const i=1e-5,n=0,a=1,l=2,A=3;let h=0;const c=[];for(let s=0;s<t.length;s++){const o=d.dotVec3(e,t[s])+r,A=o<-i?l:o>i?a:n;h|=A,c.push(A)}switch(h){case n:case a:o.push(t);break;case l:break;case A:const i=[];for(let o=0;o<t.length;o++){var s=(o+1)%t.length;const n=c[o],a=c[s],h=t[o],u=t[s];if(n!==l&&i.push(h),(n|a)===A){const t=d.vec3();d.subVec3(u,h,t);const s=-(r+d.dotVec3(e,h))/d.dotVec3(e,t),o=[0,0,0];d.lerpVec3(s,0,1,h,u,o),i.push(o)}}i.length>=3&&o.push(i)}}i=o}if(0===i.length)return null;{const e=d.vec3([0,0,0]),t=new Set;for(const s of i)for(const i of s){const s=i.map((e=>e.toFixed(3))).join(":");t.has(s)||(t.add(s),d.addVec3(e,i,e))}return d.mulVec3Scalar(e,1/t.size,e),e}}get center(){return this._center}get altitude(){return this._geometry.altitude}set altitude(e){this._geometry.altitude=e,this._rebuildMesh()}get height(){return this._geometry.height}set height(e){this._geometry.height=e,this._rebuildMesh()}get highlighted(){return this._highlighted}set highlighted(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}set color(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=jE(this._color))}get color(){return this._color}set alpha(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}get alpha(){return this._alpha}get edges(){return this._edges}set edges(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}set visible(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}get visible(){return this._visible}getJSON(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}duplicate(){return this.plugin.createZone({id:d.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((e=>e.slice())),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}destroy(){this._zoneMesh.destroy(),super.destroy()}}class YE extends R{constructor(e,t,i){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.createSelect3dPoint=i,this._deactivate=null}get active(){return!!this._deactivate}activate(e,t,i,s){if(this._deactivate)return;if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=this.createSelect3dPoint(o,((t,i)=>XE(e,d.vec3([0,1,0]),t,i)));!function o(){const A=WE(n,i,s),h=function(e,t,i,s,r,o){const n=zE(e,t),a=zE(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:()=>{};let A=s((()=>{l(null),n.update(null)}),((e,t)=>{l(e),n.update(t)}),(function(e,t){n.update(t),A=s((function(){l(null),a.update(null),r(null)}),(function(e,i){l(e),a.update(i),r(d.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),n.destroy(),a.destroy(),l(null),o([t,i])}))}));return{deactivate:function(){A(),n.destroy(),a.destroy(),l(null)}}}(n,i,a.pointerLens,l,(e=>{if(e){const t=e[0],i=e[1],s=e=>Math.min(t[e],i[e]),r=e=>Math.max(t[e],i[e]),o=s(0),n=s(1),a=s(2),l=r(0);r(1);const h=r(2);A.updateBase([[o,n,h],[l,n,h],[l,n,a],[o,n,a]])}else A.updateBase(null)}),(n=>{A.destroy();const l=function(e,t,i,s,r,o,n){const a=i=>Math.min(e[i],t[i]),l=i=>Math.max(e[i],t[i]),A=a(0),h=a(2),c=l(0),u=l(2);return n.createZone({id:d.createUUID(),geometry:{planeCoordinates:[[A,u],[c,u],[c,h],[A,h]],altitude:i,height:s},alpha:o,color:r})}(n[0],n[1],e,t,i,s,r);let h=!0;a._deactivate=()=>{h=!1},a.fire("zoneEnd",l),h&&o()})).deactivate;a._deactivate=()=>{h(),A.destroy()}}()}deactivate(){this._deactivate&&(this._deactivate(),this._deactivate=null)}destroy(){this.deactivate(),super.destroy()}}class ZE extends YE{constructor(e,t={}){super(e,t,((e,t)=>KE(e,t)))}}class qE extends YE{constructor(e,t={}){const i=new G(e.viewer);super(e,t,((e,t)=>ye(e,i,t))),this.pointerCircle=i}destroy(){this.pointerCircle.destroy(),super.destroy()}}class $E extends z{constructor(e,t={}){super("Zones",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._zones=[],this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,zone:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,zone:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,zone:t,event:e})}}createZone(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=new JE(this,{id:e.id,plugin:this,container:this._container,geometry:e.geometry,alpha:e.alpha,color:e.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(t),t.on("destroyed",(()=>{const e=this._zones.indexOf(t);e>=0&&this._zones.splice(e,1)})),this.fire("zoneCreated",t),t}get zones(){return this._zones}destroy(){super.destroy()}}const eF=function(e,t,i,s,r,o,n,a,l){const A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{};let h;const c=[()=>A(null)],u=WE(e,s,r);return c.push((()=>u.destroy())),function o(p){const f=zE(e,s),g=p.length>0&&function(e,t,i){const s=e.canvas.canvas,r=new fe(e,{});r.worldPos=i;const o=new fe(e,{}),n=s.ownerDocument.body,a=new xe(n,{color:t,thickness:1,thicknessClickable:6});a.setVisible(!1);const l=function(){const e=r.canvasPos.slice(),t=o.canvasPos.slice();me(s,n,e),me(s,n,t),a.setStartAndEnd(e[0],e[1],t[0],t[1])},A=e.camera.on("viewMatrix",l),h=e.camera.on("projMatrix",l);return{update:function(e){e&&(o.worldPos=e,l()),a.setVisible(!!e)},destroy:function(){e.camera.off(A),e.camera.off(h),r.destroy(),o.destroy(),a.destroy()}}}(e,s,p[p.length-1].getWorldPos());c.push((()=>{f.destroy(),g&&g.destroy()}));const m=p.length>0&&p[0],_=function(e){const t=m&&m.getCanvasPos();return t&&d.distVec2(t,e)<10&&{canvasPos:t,worldPos:m.getWorldPos()}},v=function(){const e=(e,t,i)=>t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1]),t=(e,t,i)=>{const s=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===s?0:s>0?1:2};return function(i,s){const r=i[i.length-2],o=i[i.length-1];for(let n=s?1:0;n<i.length-2-1;++n){const s=i[n],a=i[n+1],l=t(r,o,s),A=t(r,o,a),h=t(s,a,r),c=t(s,a,o);if(l!==A&&h!==c||0===l&&e(r,s,o)||0===A&&e(r,a,o)||0===h&&e(s,r,a)||0===c&&e(s,o,a))return!0}return!1}}();h=a((()=>{A(null),f.update(null),g&&g.update(null),u.updateBase(p.length>2?p.map((e=>e.getWorldPos())):null)}),((e,t)=>{const i=p.length>2&&_(e);if(m&&m.setHighlighted(!!i),A(i?i.canvasPos:e),f.update(!i&&t),g&&g.update(i?i.worldPos:t),p.length>=2){const e=p.map((e=>e.getWorldPos())).concat(i?[]:[t]),s=v(e.map((e=>[e[0],e[2]])),i);u.updateBase(s?null:e)}else u.updateBase(null)}),(function(e,a){const A=p.length>2&&_(e),h=p.map((e=>e.getWorldPos())).concat(A?[]:[a]);u.updateBase(h);const m=h.map((e=>[e[0],e[2]]));p.length>2&&v(m,A)?(c.pop()(),o(p)):A?(f.update(a),c.forEach((e=>e())),l(n.createZone({id:d.createUUID(),geometry:{planeCoordinates:m,altitude:t,height:i},alpha:r,color:s}))):(f.update(a),g&&g.update(a),o(p.concat(f)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){h(),c.forEach((e=>e()))}}};class tF extends R{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=KE(o,(function(t,i){return XE(e,d.vec3([0,1,0]),t,i)}));!function o(){a._action=eF(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}}class iF extends R{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=ye(o,this.pointerCircle,(function(t,i){return XE(e,d.vec3([0,1,0]),t,i)}));!function o(){a._action=eF(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}}class sF extends R{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene;super(o);const n=e._geometry.altitude,a=e._geometry.planeCoordinates.map((t=>{const i=o.canvas.canvas.ownerDocument.body,s=new _e(o,{},i,{fillColor:e._color});return s.worldPos=d.vec3([t[0],n,t[1]]),s.on("worldPos",(function(){t[0]=s.worldPos[0],t[1]=s.worldPos[2];try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}})),s})),l=be({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t&&t.pointerLens,dots:a,ray2WorldPos:(e,t)=>XE(n,d.vec3([0,1,0]),e,t),onEnd:(t,i)=>(e._zoneMesh&&this.fire("edited"),!!e._zoneMesh)}),A=function(){l(),a.forEach((e=>e.destroy()))},h=e.on("destroyed",A);this._deactivate=function(){e.off("destroyed",h),A()}}deactivate(){this._deactivate(),super.destroy()}}class rF extends sF{constructor(e,t){super(e,t,!0,!1)}}class oF extends sF{constructor(e,t){super(e,t,!1,!0)}}class nF extends R{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene,n=o.canvas.canvas;super(o);const a=this,l=e._geometry.altitude,A=t&&t.pointerLens,h=A?function(e){A.visible=!!e,e&&(A.canvasPos=e)}:()=>{},c=e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,t,i),s=t,r=i,XE(l,d.vec3([0,1,0]),s,r);var s,r},u=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,me(n.ownerDocument.documentElement,n,t),t),p=function(e,t){const i=e=>{e.preventDefault(),t(e)};return n.addEventListener(e,i),()=>n.removeEventListener(e,i)};let f=()=>{};const g=function(t,i,s,o){const l=o(t),A=u(l,d.vec2()),g=r.scene.pick({canvasPos:A,includeEntities:[e._zoneMesh.id]});if((g&&g.entity&&g.entity.zone)===e){f(),n.style.cursor="move",r.cameraControl.active=!1;const t=function(){const t=e._geometry.planeCoordinates.map((e=>e.slice())),i=c(A),s=d.vec2([i[0],i[2]]),r=d.vec2();return function(i){const o=c(i);r[0]=o[0],r[1]=o[2],d.subVec2(s,r,r),e._geometry.planeCoordinates.forEach(((e,i)=>{d.subVec2(t[i],r,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}}(),l=p(i,(function(e){const i=o(e);if(i){const e=u(i,d.vec2());t(e),h(e)}})),g=p(s,(function(e){const i=o(e);if(i){const e=u(i,d.vec2());t(e),h(null),f(),a.fire("translated")}}));f=function(){f=()=>{},n.style.cursor="default",r.cameraControl.active=!0,l(),g()}}},m=[];i&&m.push(p("mousedown",(e=>{1===e.which&&g(e,"mousemove","mouseup",(e=>1===e.which&&e))}))),s&&m.push(p("touchstart",(e=>{if(1===e.touches.length){const t=e.touches[0].identifier;g(e,"touchmove","touchend",(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})));const _=function(){f(),m.forEach((e=>e())),h(null)},v=e.on("destroyed",_);this._deactivate=function(){e.off("destroyed",v),_()}}deactivate(){this._deactivate(),super.destroy()}}class aF extends nF{constructor(e,t){super(e,t,!0,!1)}}class lF extends nF{constructor(e,t){super(e,t,!1,!0)}}export{zi as AlphaFormat,jt as AmbientLight,Se as AngleMeasurementEditMouseControl,Te as AngleMeasurementEditTouchControl,Me as AngleMeasurementsControl,Ee as AngleMeasurementsMouseControl,Fe as AngleMeasurementsPlugin,Ie as AngleMeasurementsTouchControl,ke as AnnotationsPlugin,Dr as AxisGizmoPlugin,qc as BCFViewpointsPlugin,yo as Bitmap,Li as ByteType,ju as CameraMemento,xu as CameraPath,Fu as CameraPathAnimation,QE as CityJSONLoaderPlugin,xi as ClampToEdgeWrapping,R as Component,Rs as CompressedMediaType,In as Configs,o as ContextMenu,Xu as CubicBezierCurve,vu as Curve,cc as DefaultLoadingManager,Yi as DepthFormat,Zi as DepthStencilFormat,Ht as DirLight,cu as DistanceMeasurementEditControl,uu as DistanceMeasurementEditMouseControl,du as DistanceMeasurementEditTouchControl,au as DistanceMeasurementsControl,lu as DistanceMeasurementsMouseControl,Au as DistanceMeasurementsPlugin,hu as DistanceMeasurementsTouchControl,_e as Dot3D,VE as DotBIMDefaultDataSource,HE as DotBIMLoaderPlugin,hi as EdgeMaterial,li as EmphasisMaterial,wC as FaceAlignedSectionPlanesPlugin,pu as FastNavPlugin,Qi as FloatType,oo as Fresnel,N as Frustum,k as FrustumPlane,Ds as GIFMediaType,fu as GLTFDefaultDataSource,GP as GLTFLoaderPlugin,Vi as HalfFloatType,Ru as ImagePlane,ki as IntType,Ss as JPEGMediaType,mc as KTX2TextureTranscoder,aE as LASLoaderPlugin,jr as LambertMaterial,Vu as LightMap,Kc as LineSet,Fs as LinearEncoding,Fi as LinearFilter,Ti as LinearMipMapLinearFilter,Di as LinearMipMapNearestFilter,Si as LinearMipmapLinearFilter,Ii as LinearMipmapNearestFilter,uc as Loader,hc as LoadingManager,gu as LocaleService,Ji as LuminanceAlphaFormat,Xi as LuminanceFormat,e as Map,fe as Marker,H as MarqueePicker,j as MarqueePickerMouseControl,Pr as Mesh,Ro as MeshSurfaceArea,Co as MeshVolume,Wr as MetallicMaterial,Bi as MirroredRepeatWrapping,zu as ModelMemento,XP as NavCubePlugin,wi as NearestFilter,Ei as NearestMipMapLinearFilter,Pi as NearestMipMapNearestFilter,Mi as NearestMipmapLinearFilter,Ci as NearestMipmapNearestFilter,Hr as Node,sC as OBJLoaderPlugin,f as ObjectsKdTree3,Ku as ObjectsMemento,Ts as PNGMediaType,Ju as Path,Zu as PerformanceModel,ni as PhongMaterial,ze as PickResult,z as Plugin,Lu as PointLight,G as PointerCircle,n as PointerLens,Yu as QuadraticBezierCurve,g as Queue,Ki as RGBAFormat,is as RGBAIntegerFormat,Ps as RGBA_ASTC_10x10_Format,xs as RGBA_ASTC_10x5_Format,Bs as RGBA_ASTC_10x6_Format,ws as RGBA_ASTC_10x8_Format,Cs as RGBA_ASTC_12x10_Format,Ms as RGBA_ASTC_12x12_Format,ps as RGBA_ASTC_4x4_Format,fs as RGBA_ASTC_5x4_Format,gs as RGBA_ASTC_5x5_Format,ms as RGBA_ASTC_6x5_Format,_s as RGBA_ASTC_6x6_Format,vs as RGBA_ASTC_8x5_Format,bs as RGBA_ASTC_8x6_Format,ys as RGBA_ASTC_8x8_Format,Es as RGBA_BPTC_Format,ds as RGBA_ETC2_EAC_Format,hs as RGBA_PVRTC_2BPPV1_Format,As as RGBA_PVRTC_4BPPV1_Format,rs as RGBA_S3TC_DXT1_Format,os as RGBA_S3TC_DXT3_Format,ns as RGBA_S3TC_DXT5_Format,Wi as RGBFormat,cs as RGB_ETC1_Format,us as RGB_ETC2_Format,ls as RGB_PVRTC_2BPPV1_Format,as as RGB_PVRTC_4BPPV1_Format,ss as RGB_S3TC_DXT1_Format,es as RGFormat,ts as RGIntegerFormat,ti as ReadableGeometry,qi as RedFormat,$i as RedIntegerFormat,Qu as ReflectionMap,yi as RepeatWrapping,CC as STLDefaultDataSource,LC as STLLoaderPlugin,zc as SceneModel,No as SceneModelMesh,Uc as SceneModelTransform,Sr as SectionPlane,cC as SectionPlanesPlugin,Ui as ShortType,qu as Skybox,PC as SkyboxesPlugin,Jr as SpecularMaterial,bu as SplineCurve,Hu as SpriteMarker,gC as StoreyViewsPlugin,ro as Texture,$u as TextureTranscoder,kC as TreeViewPlugin,Ri as UnsignedByteType,Gi as UnsignedInt248Type,Ni as UnsignedIntType,Hi as UnsignedShort4444Type,ji as UnsignedShort5551Type,Oi as UnsignedShortType,lo as VBOGeometry,HC as ViewCullPlugin,Vb as Viewer,$M as WebIFCLoaderPlugin,fc as WorkerPool,jC as XKTDefaultDataSource,UM as XKTLoaderPlugin,ZM as XML3DLoaderPlugin,sF as ZoneEditControl,rF as ZoneEditMouseControl,oF as ZoneEditTouchControl,nF as ZoneTranslateControl,aF as ZoneTranslateMouseControl,lF as ZoneTranslateTouchControl,ZE as ZonesMouseControl,$E as ZonesPlugin,tF as ZonesPolysurfaceMouseControl,iF as ZonesPolysurfaceTouchControl,qE as ZonesTouchControl,ve as activateDraggableDot,be as activateDraggableDots,ii as buildBoxGeometry,uo as buildBoxLinesGeometry,po as buildBoxLinesGeometryFromAABB,Mr as buildCylinderGeometry,fo as buildGridGeometry,bo as buildLineGeometry,go as buildPlaneGeometry,_o as buildPolylineGeometry,vo as buildPolylineGeometryFromCurve,Er as buildSphereGeometry,mo as buildTorusGeometry,Ir as buildVectorTextGeometry,Y as createRTCViewMat,V as frustumIntersectsAABB3,vc as getKTX2TextureTranscoder,ee as getPlaneRTCPos,xo as isTriangleMeshSolid,ho as load3DSGeometry,co as loadOBJGeometry,d as math,Lo as meshSurfaceArea,Mo as meshVolume,$ as rtcToWorldPos,Is as sRGBEncoding,Q as setFrustum,m as stats,ye as touchPointSelector,me as transformToNode,y as utils,Z as worldToRTCPos,q as worldToRTCPositions};
diff --git a/dist/xeokit-sdk.min.es5.js b/dist/xeokit-sdk.min.es5.js
index f21086c92..dd12d4d12 100644
--- a/dist/xeokit-sdk.min.es5.js
+++ b/dist/xeokit-sdk.min.es5.js
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i=this._itemList[e],r=i.itemElement;if(r){var s=i.getShown;if(s&&s(this._context)){var n=i.getTitle(this._context);i.subMenu,r.innerText=n}}}}},{key:"_updateItemsEnabledStatus",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getEnabled;if(s){var n=i.getShown;if(n){var o=n(this._context);if(i.shown=o,o){r.style.display="";var a=s(this._context);i.enabled=a,a?r.classList.remove("disabled"):r.classList.add("disabled")}else r.style.display="none"}}}}}},{key:"_updateSubMenuInfo",value:function(){var e,t,i,r,s,n;this._context&&this._itemList.forEach((function(o){o.subMenu&&(e=o.itemElement,t=e.getBoundingClientRect(),i=o.subMenu.menuElement,r={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",n=o.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=r.visibility,i.style.display=r.display,s=t.right+n>window.innerWidth,e.setAttribute("data-submenuposition",s?"left":"right"))}))}},{key:"_showMenu",value:function(e,t,i){var r=this._menuMap[e];if(r){if(!r.shown){var s=r.menuElement;s&&(this._showMenuElement(s,t,i),r.shown=!0)}}else console.error("Menu not found: "+e)}},{key:"_hideMenu",value:function(e){var t=this._menuMap[e];if(t){if(t.shown){var i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}}else console.error("Menu not found: "+e)}},{key:"_hideAllMenus",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e];this._hideMenu(i.id)}}},{key:"_showMenuElement",value:function(e,t,i){e.style.display="block";var r=e.offsetHeight,s=e.offsetWidth;i+r>window.innerHeight&&(i=window.innerHeight-r),t+s>window.innerWidth&&(t=window.innerWidth-s),e.style.left=t+"px",e.style.top=i+"px"}},{key:"_hideMenuElement",value:function(e){e.style.display="none"}}]),e}(),J=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this.viewer=t,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px 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black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id="".concat(this._lensContainerId,"-canvas"),this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=r.lensPosToggle||!0,this._lensPosToggleAmount=r.lensPosToggleAmount||85,this._lensPosMarginLeft=r.lensPosMarginLeft||85,this._lensPosMarginTop=r.lensPosMarginTop||25,this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),this._zoomLevel=r.zoomLevel||2,this._active=!1!==r.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(function(){i._active&&i._visible&&i.update()}))}return C(e,[{key:"update",value:function(){if(this._active&&this._visible&&this._canvasPos){var e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),i&&(this._lensPosToggle?this._lensContainer.style.marginTop="".concat(t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount,"px"):this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);var r=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-r/2,this._canvasPos[1]-r/2,r,r,0,0,this._lensCanvas.width,this._lensCanvas.height);var s=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){var n=this._snappedCanvasPos[0]-this._canvasPos[0],o=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft="".concat(s[0]+n*this._zoomLevel-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]+o*this._zoomLevel-10,"px")}else this._lensCursorDiv.style.marginLeft="".concat(s[0]-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]-10,"px")}}},{key:"zoomFactor",get:function(){return this._zoomFactor},set:function(e){this._zoomFactor=e,this.update()}},{key:"canvasPos",get:function(){return this._canvasPos},set:function(e){this._canvasPos=e,this.update()}},{key:"snappedCanvasPos",get:function(){return this._snappedCanvasPos},set:function(e){this._snappedCanvasPos=e,this.update()}},{key:"snapped",get:function(){return this._snapped},set:function(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}},{key:"active",get:function(){return this._active},set:function(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"destroy",value:function(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}]),e}(),Z=!0,q=Z?Float64Array:Float32Array,$=new q(3),ee=new q(16),te=new q(16),ie=new q(4),re={setDoublePrecisionEnabled:function(e){q=(Z=e)?Float64Array:Float32Array},getDoublePrecisionEnabled:function(){return Z},MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId:function(e,t){var i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:function(e,t){return e+"#"+t},safeInv:function(e){var t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:function(e){return new q(e||2)},vec3:function(e){return new q(e||3)},vec4:function(e){return new q(e||4)},mat3:function(e){return new q(e||9)},mat3ToMat4:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new q(16);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},mat4:function(e){return new q(e||16)},mat4ToMat3:function(e,t){},doublesToFloats:function(e,t,i){for(var r=new q(2),s=0,n=e.length;s<n;s++)re.splitDouble(e[s],r),t[s]=r[0],i[s]=r[1]},splitDouble:function(e,t){var i=q.from([e])[0],r=e-i;t[0]=i,t[1]=r},createUUID:function(){for(var e=[],t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return function(){var t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,r=4294967295*Math.random()|0,s=4294967295*Math.random()|0;return"".concat(e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255],"-").concat(e[255&i]).concat(e[i>>8&255],"-").concat(e[i>>16&15|64]).concat(e[i>>24&255],"-").concat(e[63&r|128]).concat(e[r>>8&255],"-").concat(e[r>>16&255]).concat(e[r>>24&255]).concat(e[255&s]).concat(e[s>>8&255]).concat(e[s>>16&255]).concat(e[s>>24&255])}}(),clamp:function(e,t,i){return Math.max(t,Math.min(i,e))},fmod:function(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]},negateVec3:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t},negateVec4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t},addVec4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i},addVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i},addVec3:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i},addVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i},subVec4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i},subVec3:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i},subVec2:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i},geometricMeanVec2:function(){for(var e=arguments.length,t=new Array(e),i=0;i<e;i++)t[i]=arguments[i];for(var r=new q(t[0]),s=1;s<t.length;s++)r[0]+=t[s][0],r[1]+=t[s][1];return r[0]/=t.length,r[1]/=t.length,r},subVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i},subScalarVec4:function(e,t,i){return i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i},mulVec4:function(e,t,i){return i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i},mulVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i},mulVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i},mulVec2Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i},divVec3:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i},divVec4:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i},divScalarVec3:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i},divVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i},divVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i},divScalarVec4:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i},dotVec4:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3]},cross3Vec4:function(e,t){var i=e[0],r=e[1],s=e[2],n=t[0],o=t[1],a=t[2];return[r*a-s*o,s*n-i*a,i*o-r*n,0]},cross3Vec3:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=t[0],a=t[1],l=t[2];return i[0]=s*l-n*a,i[1]=n*o-r*l,i[2]=r*a-s*o,i},sqLenVec4:function(e){return re.dotVec4(e,e)},lenVec4:function(e){return Math.sqrt(re.sqLenVec4(e))},dotVec3:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]},dotVec2:function(e,t){return e[0]*t[0]+e[1]*t[1]},sqLenVec3:function(e){return re.dotVec3(e,e)},sqLenVec2:function(e){return re.dotVec2(e,e)},lenVec3:function(e){return Math.sqrt(re.sqLenVec3(e))},distVec3:(j=new q(3),function(e,t){return re.lenVec3(re.subVec3(e,t,j))}),lenVec2:function(e){return Math.sqrt(re.sqLenVec2(e))},distVec2:function(){var e=new q(2);return function(t,i){return re.lenVec2(re.subVec2(t,i,e))}}(),rcpVec3:function(e,t){return re.divScalarVec3(1,e,t)},normalizeVec4:function(e,t){var i=1/re.lenVec4(e);return re.mulVec4Scalar(e,i,t)},normalizeVec3:function(e,t){var i=1/re.lenVec3(e);return re.mulVec3Scalar(e,i,t)},normalizeVec2:function(e,t){var i=1/re.lenVec2(e);return re.mulVec2Scalar(e,i,t)},angleVec3:function(e,t){var i=re.dotVec3(e,t)/Math.sqrt(re.sqLenVec3(e)*re.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:function(){var e=new q(3);return function(t,i){return e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=re.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=re.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=re.lenVec3(e),i}}(),vecToArray:function(){function e(e){return Math.round(1e5*e)/1e5}return function(t){for(var i=0,r=(t=Array.prototype.slice.call(t)).length;i<r;i++)t[i]=e(t[i]);return t}}(),xyzArrayToObject:function(e){return{x:e[0],y:e[1],z:e[2]}},xyzObjectToArray:function(e,t){return(t=t||re.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t},dupMat4:function(e){return e.slice(0,16)},mat4To3:function(e){return[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]]},m4s:function(e){return[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e]},setMat4ToZeroes:function(){return re.m4s(0)},setMat4ToOnes:function(){return re.m4s(1)},diagonalMat4v:function(e){return new q([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]])},diagonalMat4c:function(e,t,i,r){return re.diagonalMat4v([e,t,i,r])},diagonalMat4s:function(e){return re.diagonalMat4c(e,e,e,e)},identityMat4:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(16);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},identityMat3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(9);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e},isIdentityMat4:function(e){return 1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15]},negateMat4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t},addMat4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i},addMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i},addScalarMat4:function(e,t,i){return re.addMat4Scalar(t,e,i)},subMat4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i},subMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i},subScalarMat4:function(e,t,i){return i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i},mulMat4:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=e[3],a=e[4],l=e[5],u=e[6],c=e[7],A=e[8],h=e[9],d=e[10],p=e[11],f=e[12],v=e[13],g=e[14],m=e[15],_=t[0],y=t[1],b=t[2],x=t[3],w=t[4],B=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],k=t[11],I=t[12],D=t[13],S=t[14],T=t[15];return i[0]=_*r+y*a+b*A+x*f,i[1]=_*s+y*l+b*h+x*v,i[2]=_*n+y*u+b*d+x*g,i[3]=_*o+y*c+b*p+x*m,i[4]=w*r+B*a+P*A+C*f,i[5]=w*s+B*l+P*h+C*v,i[6]=w*n+B*u+P*d+C*g,i[7]=w*o+B*c+P*p+C*m,i[8]=M*r+E*a+F*A+k*f,i[9]=M*s+E*l+F*h+k*v,i[10]=M*n+E*u+F*d+k*g,i[11]=M*o+E*c+F*p+k*m,i[12]=I*r+D*a+S*A+T*f,i[13]=I*s+D*l+S*h+T*v,i[14]=I*n+D*u+S*d+T*g,i[15]=I*o+D*c+S*p+T*m,i},mulMat3:function(e,t,i){i||(i=new q(9));var r=e[0],s=e[3],n=e[6],o=e[1],a=e[4],l=e[7],u=e[2],c=e[5],A=e[8],h=t[0],d=t[3],p=t[6],f=t[1],v=t[4],g=t[7],m=t[2],_=t[5],y=t[8];return i[0]=r*h+s*f+n*m,i[3]=r*d+s*v+n*_,i[6]=r*p+s*g+n*y,i[1]=o*h+a*f+l*m,i[4]=o*d+a*v+l*_,i[7]=o*p+a*g+l*y,i[2]=u*h+c*f+A*m,i[5]=u*d+c*v+A*_,i[8]=u*p+c*g+A*y,i},mulMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i},mulMat4v4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=t[0],s=t[1],n=t[2],o=t[3];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},transposeMat4:function(e,t){var i=e[4],r=e[14],s=e[8],n=e[13],o=e[12],a=e[9];if(!t||e===t){var l=e[1],u=e[2],c=e[3],A=e[6],h=e[7],d=e[11];return e[1]=i,e[2]=s,e[3]=o,e[4]=l,e[6]=a,e[7]=n,e[8]=u,e[9]=A,e[11]=r,e[12]=c,e[13]=h,e[14]=d,e}return t[0]=e[0],t[1]=i,t[2]=s,t[3]=o,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=n,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=r,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3:function(e,t){if(t===e){var i=e[1],r=e[2],s=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=r,t[7]=s}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4:function(e){var t=e[0],i=e[1],r=e[2],s=e[3],n=e[4],o=e[5],a=e[6],l=e[7],u=e[8],c=e[9],A=e[10],h=e[11],d=e[12],p=e[13],f=e[14],v=e[15];return d*c*a*s-u*p*a*s-d*o*A*s+n*p*A*s+u*o*f*s-n*c*f*s-d*c*r*l+u*p*r*l+d*i*A*l-t*p*A*l-u*i*f*l+t*c*f*l+d*o*r*h-n*p*r*h-d*i*a*h+t*p*a*h+n*i*f*h-t*o*f*h-u*o*r*v+n*c*r*v+u*i*a*v-t*c*a*v-n*i*A*v+t*o*A*v},inverseMat4:function(e,t){t||(t=e);var i=e[0],r=e[1],s=e[2],n=e[3],o=e[4],a=e[5],l=e[6],u=e[7],c=e[8],A=e[9],h=e[10],d=e[11],p=e[12],f=e[13],v=e[14],g=e[15],m=i*a-r*o,_=i*l-s*o,y=i*u-n*o,b=r*l-s*a,x=r*u-n*a,w=s*u-n*l,B=c*f-A*p,P=c*v-h*p,C=c*g-d*p,M=A*v-h*f,E=A*g-d*f,F=h*g-d*v,k=1/(m*F-_*E+y*M+b*C-x*P+w*B);return t[0]=(a*F-l*E+u*M)*k,t[1]=(-r*F+s*E-n*M)*k,t[2]=(f*w-v*x+g*b)*k,t[3]=(-A*w+h*x-d*b)*k,t[4]=(-o*F+l*C-u*P)*k,t[5]=(i*F-s*C+n*P)*k,t[6]=(-p*w+v*y-g*_)*k,t[7]=(c*w-h*y+d*_)*k,t[8]=(o*E-a*C+u*B)*k,t[9]=(-i*E+r*C-n*B)*k,t[10]=(p*x-f*y+g*m)*k,t[11]=(-c*x+A*y-d*m)*k,t[12]=(-o*M+a*P-l*B)*k,t[13]=(i*M-r*P+s*B)*k,t[14]=(-p*b+f*_-v*m)*k,t[15]=(c*b-A*_+h*m)*k,t},traceMat4:function(e){return e[0]+e[5]+e[10]+e[15]},translationMat4v:function(e,t){var i=t||re.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v:function(e,t){var i=t||re.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(H=new q(3),function(e,t,i,r){return H[0]=e,H[1]=t,H[2]=i,re.translationMat4v(H,r)}),translationMat4s:function(e,t){return re.translationMat4c(e,e,e,t)},translateMat4v:function(e,t){return re.translateMat4c(e[0],e[1],e[2],t)},translateMat4c:function(e,t,i,r){var s=r[3];r[0]+=s*e,r[1]+=s*t,r[2]+=s*i;var n=r[7];r[4]+=n*e,r[5]+=n*t,r[6]+=n*i;var o=r[11];r[8]+=o*e,r[9]+=o*t,r[10]+=o*i;var a=r[15];return r[12]+=a*e,r[13]+=a*t,r[14]+=a*i,r},setMat4Translation:function(e,t,i){return i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i},rotationMat4v:function(e,t,i){var r,s,n,o,a,l,u=re.normalizeVec4([t[0],t[1],t[2],0],[]),c=Math.sin(e),A=Math.cos(e),h=1-A,d=u[0],p=u[1],f=u[2];return r=d*p,s=p*f,n=f*d,o=d*c,a=p*c,l=f*c,(i=i||re.mat4())[0]=h*d*d+A,i[1]=h*r+l,i[2]=h*n-a,i[3]=0,i[4]=h*r-l,i[5]=h*p*p+A,i[6]=h*s+o,i[7]=0,i[8]=h*n+a,i[9]=h*s-o,i[10]=h*f*f+A,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:function(e,t,i,r,s){return re.rotationMat4v(e,[t,i,r],s)},scalingMat4v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat4();return t[0]=e[0],t[5]=e[1],t[10]=e[2],t},scalingMat3v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat3();return t[0]=e[0],t[4]=e[1],t},scalingMat4c:function(){var e=new q(3);return function(t,i,r,s){return e[0]=t,e[1]=i,e[2]=r,re.scalingMat4v(e,s)}}(),scaleMat4c:function(e,t,i,r){return r[0]*=e,r[4]*=t,r[8]*=i,r[1]*=e,r[5]*=t,r[9]*=i,r[2]*=e,r[6]*=t,r[10]*=i,r[3]*=e,r[7]*=t,r[11]*=i,r},scaleMat4v:function(e,t){var i=e[0],r=e[1],s=e[2];return t[0]*=i,t[4]*=r,t[8]*=s,t[1]*=i,t[5]*=r,t[9]*=s,t[2]*=i,t[6]*=r,t[10]*=s,t[3]*=i,t[7]*=r,t[11]*=s,t},scalingMat4s:function(e){return re.scalingMat4c(e,e,e)},rotationTranslationMat4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.mat4(),r=e[0],s=e[1],n=e[2],o=e[3],a=r+r,l=s+s,u=n+n,c=r*a,A=r*l,h=r*u,d=s*l,p=s*u,f=n*u,v=o*a,g=o*l,m=o*u;return i[0]=1-(d+f),i[1]=A+m,i[2]=h-g,i[3]=0,i[4]=A-m,i[5]=1-(c+f),i[6]=p+v,i[7]=0,i[8]=h+g,i[9]=p-v,i[10]=1-(c+d),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=re.clamp,s=e[0],n=e[4],o=e[8],a=e[1],l=e[5],u=e[9],c=e[2],A=e[6],h=e[10];return"XYZ"===t?(i[1]=Math.asin(r(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(-u,h),i[2]=Math.atan2(-n,s)):(i[0]=Math.atan2(A,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-r(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(o,h),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-c,s),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(r(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(-c,h),i[2]=Math.atan2(-n,l)):(i[1]=0,i[2]=Math.atan2(a,s))):"ZYX"===t?(i[1]=Math.asin(-r(c,-1,1)),Math.abs(c)<.99999?(i[0]=Math.atan2(A,h),i[2]=Math.atan2(a,s)):(i[0]=0,i[2]=Math.atan2(-n,l))):"YZX"===t?(i[2]=Math.asin(r(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-u,l),i[1]=Math.atan2(-c,s)):(i[0]=0,i[1]=Math.atan2(o,h))):"XZY"===t&&(i[2]=Math.asin(-r(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(A,l),i[1]=Math.atan2(o,s)):(i[0]=Math.atan2(-u,h),i[1]=0)),i},composeMat4:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:re.mat4();return re.quaternionToRotationMat4(t,r),re.scaleMat4v(i,r),re.translateMat4v(e,r),r},decomposeMat4:function(){var e=new q(3),t=new q(16);return function(i,r,s,n){e[0]=i[0],e[1]=i[1],e[2]=i[2];var o=re.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];var a=re.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];var l=re.lenVec3(e);re.determinantMat4(i)<0&&(o=-o),r[0]=i[12],r[1]=i[13],r[2]=i[14],t.set(i);var u=1/o,c=1/a,A=1/l;return t[0]*=u,t[1]*=u,t[2]*=u,t[4]*=c,t[5]*=c,t[6]*=c,t[8]*=A,t[9]*=A,t[10]*=A,re.mat4ToQuaternion(t,s),n[0]=o,n[1]=a,n[2]=l,this}}(),getColMat4:function(e,t){var i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4:function(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v:function(e,t,i,r){r||(r=re.mat4());var s,n,o,a,l,u,c,A,h,d,p=e[0],f=e[1],v=e[2],g=i[0],m=i[1],_=i[2],y=t[0],b=t[1],x=t[2];return p===y&&f===b&&v===x?re.identityMat4():(s=p-y,n=f-b,o=v-x,a=m*(o*=d=1/Math.sqrt(s*s+n*n+o*o))-_*(n*=d),l=_*(s*=d)-g*o,u=g*n-m*s,(d=Math.sqrt(a*a+l*l+u*u))?(a*=d=1/d,l*=d,u*=d):(a=0,l=0,u=0),c=n*u-o*l,A=o*a-s*u,h=s*l-n*a,(d=Math.sqrt(c*c+A*A+h*h))?(c*=d=1/d,A*=d,h*=d):(c=0,A=0,h=0),r[0]=a,r[1]=c,r[2]=s,r[3]=0,r[4]=l,r[5]=A,r[6]=n,r[7]=0,r[8]=u,r[9]=h,r[10]=o,r[11]=0,r[12]=-(a*p+l*f+u*v),r[13]=-(c*p+A*f+h*v),r[14]=-(s*p+n*f+o*v),r[15]=1,r)},lookAtMat4c:function(e,t,i,r,s,n,o,a,l){return re.lookAtMat4v([e,t,i],[r,s,n],[o,a,l],[])},orthoMat4c:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2/l,o[6]=0,o[7]=0,o[8]=0,o[9]=0,o[10]=-2/u,o[11]=0,o[12]=-(e+t)/a,o[13]=-(r+i)/l,o[14]=-(n+s)/u,o[15]=1,o},frustumMat4v:function(e,t,i){i||(i=re.mat4());var r=[e[0],e[1],e[2],0],s=[t[0],t[1],t[2],0];re.addVec4(s,r,ee),re.subVec4(s,r,te);var n=2*r[2],o=te[0],a=te[1],l=te[2];return i[0]=n/o,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=n/a,i[6]=0,i[7]=0,i[8]=ee[0]/o,i[9]=ee[1]/a,i[10]=-ee[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-n*s[2]/l,i[15]=0,i},frustumMat4:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2*s/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2*s/l,o[6]=0,o[7]=0,o[8]=(t+e)/a,o[9]=(r+i)/l,o[10]=-(n+s)/u,o[11]=-1,o[12]=0,o[13]=0,o[14]=-n*s*2/u,o[15]=0,o},perspectiveMat4:function(e,t,i,r,s){var n=[],o=[];return n[2]=i,o[2]=r,o[1]=n[2]*Math.tan(e/2),n[1]=-o[1],o[0]=o[1]*t,n[0]=-o[0],re.frustumMat4v(n,o,s)},compareMat4:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]},transformPoint3:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12],i[1]=e[1]*r+e[5]*s+e[9]*n+e[13],i[2]=e[2]*r+e[6]*s+e[10]*n+e[14],i},transformPoint4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4();return i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i},transformPoints3:function(e,t,i){for(var r,s,n,o,a,l=i||[],u=t.length,c=e[0],A=e[1],h=e[2],d=e[3],p=e[4],f=e[5],v=e[6],g=e[7],m=e[8],_=e[9],y=e[10],b=e[11],x=e[12],w=e[13],B=e[14],P=e[15],C=0;C<u;++C)r=(o=t[C])[0],s=o[1],n=o[2],(a=l[C]||(l[C]=[0,0,0]))[0]=c*r+p*s+m*n+x,a[1]=A*r+f*s+_*n+w,a[2]=h*r+v*s+y*n+B,a[3]=d*r+g*s+b*n+P;return l.length=u,l},transformPositions3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2];e[3];var A=e[4],h=e[5],d=e[6];e[7];var p=e[8],f=e[9],v=e[10];e[11];var g=e[12],m=e[13],_=e[14];for(e[15],i=0;i<a;i+=3)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+A*s+p*n+g,o[i+1]=u*r+h*s+f*n+m,o[i+2]=c*r+d*s+v*n+_;return o},transformPositions4:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2],A=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],x=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=c*r+p*s+m*n+x,o[i+3]=A*r+f*s+_*n+w;return o},transformVec3:function(e,t,i){var r=t[0],s=t[1],n=t[2];return(i=i||this.vec3())[0]=e[0]*r+e[4]*s+e[8]*n,i[1]=e[1]*r+e[5]*s+e[9]*n,i[2]=e[2]*r+e[6]*s+e[10]*n,i},transformVec4:function(e,t,i){var r=t[0],s=t[1],n=t[2],o=t[3];return(i=i||re.vec4())[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},rotateVec2:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:e,s=Math.cos(i),n=Math.sin(i),o=e[0]-t[0],a=e[1]-t[1];return r[0]=o*s-a*n+t[0],r[1]=o*n+a*s+t[1],e},rotateVec3X:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0],n[1]=s[1]*Math.cos(i)-s[2]*Math.sin(i),n[2]=s[1]*Math.sin(i)+s[2]*Math.cos(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Y:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[2]*Math.sin(i)+s[0]*Math.cos(i),n[1]=s[1],n[2]=s[2]*Math.cos(i)-s[0]*Math.sin(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Z:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0]*Math.cos(i)-s[1]*Math.sin(i),n[1]=s[0]*Math.sin(i)+s[1]*Math.cos(i),n[2]=s[2],r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},projectVec4:function(e,t){var i=1/e[3];return(t=t||re.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(N=new q(16),Q=new q(16),V=new q(16),function(e,t,i,r){return this.transformVec3(this.mulMat4(this.inverseMat4(t,N),this.inverseMat4(i,Q),V),e,r)}),lerpVec3:function(e,t,i,r,s,n){var o=n||re.vec3(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o},lerpMat4:function(e,t,i,r,s,n){var o=n||re.mat4(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o[3]=r[3]+a*(s[3]-r[3]),o[4]=r[4]+a*(s[4]-r[4]),o[5]=r[5]+a*(s[5]-r[5]),o[6]=r[6]+a*(s[6]-r[6]),o[7]=r[7]+a*(s[7]-r[7]),o[8]=r[8]+a*(s[8]-r[8]),o[9]=r[9]+a*(s[9]-r[9]),o[10]=r[10]+a*(s[10]-r[10]),o[11]=r[11]+a*(s[11]-r[11]),o[12]=r[12]+a*(s[12]-r[12]),o[13]=r[13]+a*(s[13]-r[13]),o[14]=r[14]+a*(s[14]-r[14]),o[15]=r[15]+a*(s[15]-r[15]),o},flatten:function(e){var t,i,r,s,n,o=[];for(t=0,i=e.length;t<i;t++)for(r=0,s=(n=e[t]).length;r<s;r++)o.push(n[r]);return o},identityQuaternion:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.vec4();return e[0]=0,e[1]=0,e[2]=0,e[3]=1,e},eulerToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0]*re.DEGTORAD/2,s=e[1]*re.DEGTORAD/2,n=e[2]*re.DEGTORAD/2,o=Math.cos(r),a=Math.cos(s),l=Math.cos(n),u=Math.sin(r),c=Math.sin(s),A=Math.sin(n);return"XYZ"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l-u*c*A):"YXZ"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l+u*c*A):"ZXY"===t?(i[0]=u*a*l-o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l-u*c*A):"ZYX"===t?(i[0]=u*a*l-o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l+u*c*A):"YZX"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l-u*c*A):"XZY"===t&&(i[0]=u*a*l-o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l+u*c*A),i},mat4ToQuaternion:function(e){var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),r=e[0],s=e[4],n=e[8],o=e[1],a=e[5],l=e[9],u=e[2],c=e[6],A=e[10],h=r+a+A;return h>0?(t=.5/Math.sqrt(h+1),i[3]=.25/t,i[0]=(c-l)*t,i[1]=(n-u)*t,i[2]=(o-s)*t):r>a&&r>A?(t=2*Math.sqrt(1+r-a-A),i[3]=(c-l)/t,i[0]=.25*t,i[1]=(s+o)/t,i[2]=(n+u)/t):a>A?(t=2*Math.sqrt(1+a-r-A),i[3]=(n-u)/t,i[0]=(s+o)/t,i[1]=.25*t,i[2]=(l+c)/t):(t=2*Math.sqrt(1+A-r-a),i[3]=(o-s)/t,i[0]=(n+u)/t,i[1]=(l+c)/t,i[2]=.25*t),i},vec3PairToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=Math.sqrt(re.dotVec3(e,e)*re.dotVec3(t,t)),s=r+re.dotVec3(e,t);return s<1e-8*r?(s=0,Math.abs(e[0])>Math.abs(e[2])?(i[0]=-e[1],i[1]=e[0],i[2]=0):(i[0]=0,i[1]=-e[2],i[2]=e[1])):re.cross3Vec3(e,t,i),i[3]=s,re.normalizeQuaternion(i)},angleAxisToQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),i=e[3]/2,r=Math.sin(i);return t[0]=r*e[0],t[1]=r*e[1],t[2]=r*e[2],t[3]=Math.cos(i),t},quaternionToEuler:function(){var e=new q(16);return function(t,i,r){return r=r||re.vec3(),re.quaternionToRotationMat4(t,e),re.mat4ToEuler(e,i,r),r}}(),mulQuaternions:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0],s=e[1],n=e[2],o=e[3],a=t[0],l=t[1],u=t[2],c=t[3];return i[0]=o*a+r*c+s*u-n*l,i[1]=o*l+s*c+n*a-r*u,i[2]=o*u+n*c+r*l-s*a,i[3]=o*c-r*a-s*l-n*u,i},vec3ApplyQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2],o=e[0],a=e[1],l=e[2],u=e[3],c=u*r+a*n-l*s,A=u*s+l*r-o*n,h=u*n+o*s-a*r,d=-o*r-a*s-l*n;return i[0]=c*u+d*-o+A*-l-h*-a,i[1]=A*u+d*-a+h*-o-c*-l,i[2]=h*u+d*-l+c*-a-A*-o,i},quaternionToMat4:function(e,t){t=re.identityMat4(t);var i=e[0],r=e[1],s=e[2],n=e[3],o=2*i,a=2*r,l=2*s,u=o*n,c=a*n,A=l*n,h=o*i,d=a*i,p=l*i,f=a*r,v=l*r,g=l*s;return t[0]=1-(f+g),t[1]=d+A,t[2]=p-c,t[4]=d-A,t[5]=1-(h+g),t[6]=v+u,t[8]=p+c,t[9]=v-u,t[10]=1-(h+f),t},quaternionToRotationMat4:function(e,t){var i=e[0],r=e[1],s=e[2],n=e[3],o=i+i,a=r+r,l=s+s,u=i*o,c=i*a,A=i*l,h=r*a,d=r*l,p=s*l,f=n*o,v=n*a,g=n*l;return t[0]=1-(h+p),t[4]=c-g,t[8]=A+v,t[1]=c+g,t[5]=1-(u+p),t[9]=d-f,t[2]=A-v,t[6]=d+f,t[10]=1-(u+h),t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},normalizeQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e,i=re.lenVec4([e[0],e[1],e[2],e[3]]);return t[0]=e[0]/i,t[1]=e[1]/i,t[2]=e[2]/i,t[3]=e[3]/i,t},conjugateQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e;return t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=e[3],t},inverseQuaternion:function(e,t){return re.normalizeQuaternion(re.conjugateQuaternion(e,t))},quaternionToAngleAxis:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),i=(e=re.normalizeQuaternion(e,ie))[3],r=2*Math.acos(i),s=Math.sqrt(1-i*i);return s<.001?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=e[0]/s,t[1]=e[1]/s,t[2]=e[2]/s),t[3]=r,t},AABB3:function(e){return new q(e||6)},AABB2:function(e){return new q(e||4)},OBB3:function(e){return new q(e||32)},OBB2:function(e){return new q(e||16)},Sphere3:function(e,t,i,r){return new q([e,t,i,r])},transformOBB3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2],A=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],x=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=c*r+p*s+m*n+x,o[i+3]=A*r+f*s+_*n+w;return o},containsAABB3:function(e,t){return e[0]<=t[0]&&t[3]<=e[3]&&e[1]<=t[1]&&t[4]<=e[4]&&e[2]<=t[2]&&t[5]<=e[5]},getAABB3Diag:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r){return e[0]=r[0],e[1]=r[1],e[2]=r[2],t[0]=r[3],t[1]=r[4],t[2]=r[5],re.subVec3(t,e,i),Math.abs(re.lenVec3(i))}}(),getAABB3DiagPoint:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r,s){e[0]=r[0],e[1]=r[1],e[2]=r[2],t[0]=r[3],t[1]=r[4],t[2]=r[5];var n=re.subVec3(t,e,i),o=s[0]-r[0],a=r[3]-s[0],l=s[1]-r[1],u=r[4]-s[1],c=s[2]-r[2],A=r[5]-s[2];return n[0]+=o>a?o:a,n[1]+=l>u?l:u,n[2]+=c>A?c:A,Math.abs(re.lenVec3(n))}}(),getAABB3Area:function(e){return(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2])},getAABB3Center:function(e,t){var i=t||re.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center:function(e,t){var i=t||re.vec2();return i[0]=(e[2]+e[0])/2,i[1]=(e[3]+e[1])/2,i},collapseAABB3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB3();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MAX_DOUBLE,e[3]=re.MIN_DOUBLE,e[4]=re.MIN_DOUBLE,e[5]=re.MIN_DOUBLE,e},AABB3ToOBB3:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.OBB3();return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,t[4]=e[3],t[5]=e[1],t[6]=e[2],t[7]=1,t[8]=e[3],t[9]=e[4],t[10]=e[2],t[11]=1,t[12]=e[0],t[13]=e[4],t[14]=e[2],t[15]=1,t[16]=e[0],t[17]=e[1],t[18]=e[5],t[19]=1,t[20]=e[3],t[21]=e[1],t[22]=e[5],t[23]=1,t[24]=e[3],t[25]=e[4],t[26]=e[5],t[27]=1,t[28]=e[0],t[29]=e[4],t[30]=e[5],t[31]=1,t},positions3ToAABB3:function(){var e=new q(3);return function(t,i,r){i=i||re.AABB3();for(var s,n,o,a=re.MAX_DOUBLE,l=re.MAX_DOUBLE,u=re.MAX_DOUBLE,c=re.MIN_DOUBLE,A=re.MIN_DOUBLE,h=re.MIN_DOUBLE,d=0,p=t.length;d<p;d+=3)r?(e[0]=t[d+0],e[1]=t[d+1],e[2]=t[d+2],re.decompressPosition(e,r,e),s=e[0],n=e[1],o=e[2]):(s=t[d+0],n=t[d+1],o=t[d+2]),s<a&&(a=s),n<l&&(l=n),o<u&&(u=o),s>c&&(c=s),n>A&&(A=n),o>h&&(h=o);return i[0]=a,i[1]=l,i[2]=u,i[3]=c,i[4]=A,i[5]=h,i}}(),OBB3ToAABB3:function(e){for(var t,i,r,s=arguments.length>1&&void 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G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){e="[LOG]"+this._message(e),window.console.log(e),this.scene.fire("log",e)}},{key:"_message",value:function(e){return" ["+this.type+" "+he.inQuotes(this.id)+"]: "+e}},{key:"warn",value:function(e){e="[WARN]"+this._message(e),window.console.warn(e),this.scene.fire("warn",e)}},{key:"error",value:function(e){e="[ERROR]"+this._message(e),window.console.error(e),this.scene.fire("error",e)}},{key:"_attach",value:function(e){var t=e.name;if(t){var i=e.component,r=e.sceneDefault,s=e.sceneSingleton,n=e.type,o=e.on,a=!1!==e.recompiles;if(i&&(he.isNumeric(i)||he.isString(i))){var l=i;if(!(i=this.scene.components[l]))return void this.error("Component not found: "+he.inQuotes(l))}if(!i)if(!0===s){var u=this.scene.types[n];for(var c in u)if(u.hasOwnProperty){i=u[c];break}if(!i)return this.error("Scene has no default component for '"+t+"'"),null}else if(!0===r&&!(i=this.scene[t]))return this.error("Scene has no default component for '"+t+"'"),null;if(i){if(i.scene.id!==this.scene.id)return void this.error("Not in same scene: "+i.type+" "+he.inQuotes(i.id));if(n&&!i.isType(n))return void this.error("Expected a "+n+" type or subtype: "+i.type+" "+he.inQuotes(i.id))}this._attachments||(this._attachments={});var A,h,d,p=this._attached[t];if(p){if(i&&p.id===i.id)return;var f=this._attachments[p.id];for(h=0,d=(A=f.subs).length;h<d;h++)p.off(A[h]);delete this._attached[t],delete this._attachments[p.id];var v=f.params.onDetached;v&&(he.isFunction(v)?v(p):v.scope?v.callback.call(v.scope,p):v.callback(p)),f.managingLifecycle&&p.destroy()}if(i){var g={params:e,component:i,subs:[],managingLifecycle:!1};g.subs.push(i.once("destroyed",(function(){g.params.component=null,this._attach(g.params)}),this)),a&&g.subs.push(i.on("dirty",(function(){this.fire("dirty",this)}),this)),this._attached[t]=i,this._attachments[i.id]=g;var m,_,y,b,x=e.onAttached;if(x&&(he.isFunction(x)?x(i):x.scope?x.callback.call(x.scope,i):x.callback(i)),o)for(m in o)if(o.hasOwnProperty(m)){if(_=o[m],he.isFunction(_)?(y=_,b=null):(y=_.callback,b=_.scope),!y)continue;g.subs.push(i.on(m,y,b))}}return a&&this.fire("dirty",this),this.fire(t,i),i}this.error("Component 'name' expected")}},{key:"_checkComponent",value:function(e,t){if(!t.isComponent){if(!he.isID(t))return void this.error("Expected a Component or ID");var i=t;if(!(t=this.scene.components[i]))return void this.error("Component not found: "+i)}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}},{key:"_checkComponent2",value:function(e,t){if(!t.isComponent){if(!he.isID(t))return void this.error("Expected a Component or ID");var i=t;if(!(t=this.scene.components[i]))return void this.error("Component not found: "+i)}if(t.scene.id===this.scene.id){for(var r=0,s=e.length;r<s;r++)if(e[r]===t.type)return t;return this.error("Expected component types: "+e),null}this.error("Not in same scene: "+t.type)}},{key:"_own",value:function(e){var t=this;this._ownedComponents||(this._ownedComponents={}),this._ownedComponents[e.id]||(this._ownedComponents[e.id]=e),e.once("destroyed",(function(){delete t._ownedComponents[e.id]}),this)}},{key:"_needUpdate",value:function(e){this._updateScheduled||(this._updateScheduled=!0,0===e?this._doUpdate():we.scheduleTask(this._doUpdate,this))}},{key:"_doUpdate",value:function(){this._updateScheduled&&(this._updateScheduled=!1,this._update&&this._update())}},{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"_update",value:function(){}},{key:"clear",value:function(){if(this._ownedComponents)for(var e in this._ownedComponents){if(this._ownedComponents.hasOwnProperty(e))this._ownedComponents[e].destroy(),delete this._ownedComponents[e]}}},{key:"destroy",value:function(){if(!this.destroyed){var e,t,i,r,s,n;if(this.fire("destroyed",this.destroyed=!0),this._attachments)for(e in this._attachments)if(this._attachments.hasOwnProperty(e)){for(i=(t=this._attachments[e]).component,s=0,n=(r=t.subs).length;s<n;s++)i.off(r[s]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&((i=this._ownedComponents[e]).destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}}]),e}(),Me=re.vec3(),Ee=re.vec3(),Fe=re.mat4(),ke=function(){function e(){B(this,e),this.normal=re.vec3(),this.offset=0,this.testVertex=re.vec3()}return C(e,[{key:"set",value:function(e,t,i,r){var s=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*s,this.normal[1]=t*s,this.normal[2]=i*s,this.offset=r*s,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}]),e}(),Ie=C((function e(){B(this,e),this.planes=[new ke,new ke,new ke,new ke,new ke,new ke]}));function De(e,t,i){var r=re.mulMat4(i,t,Fe),s=r[0],n=r[1],o=r[2],a=r[3],l=r[4],u=r[5],c=r[6],A=r[7],h=r[8],d=r[9],p=r[10],f=r[11],v=r[12],g=r[13],m=r[14],_=r[15];e.planes[0].set(a-s,A-l,f-h,_-v),e.planes[1].set(a+s,A+l,f+h,_+v),e.planes[2].set(a-n,A-u,f-d,_-g),e.planes[3].set(a+n,A+u,f+d,_+g),e.planes[4].set(a-o,A-c,f-p,_-m),e.planes[5].set(a+o,A+c,f+p,_+m)}function Se(e,t){var i=Ie.INSIDE,r=Me,s=Ee;r[0]=t[0],r[1]=t[1],r[2]=t[2],s[0]=t[3],s[1]=t[4],s[2]=t[5];for(var n=[r,s],o=0;o<6;++o){var a=e.planes[o];if(a.normal[0]*n[a.testVertex[0]][0]+a.normal[1]*n[a.testVertex[1]][1]+a.normal[2]*n[a.testVertex[2]][2]+a.offset<0)return Ie.OUTSIDE;a.normal[0]*n[1-a.testVertex[0]][0]+a.normal[1]*n[1-a.testVertex[1]][1]+a.normal[2]*n[1-a.testVertex[2]][2]+a.offset<0&&(i=Ie.INTERSECT)}return i}Ie.INSIDE=0,Ie.INTERSECT=1,Ie.OUTSIDE=2;var Te=function(e){g(i,Ce);var t=_(i);function i(){var e,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(B(this,i),!r.viewer)throw"[MarqueePicker] Missing config: viewer";if(!r.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";return(e=t.call(this,r.viewer.scene,r)).viewer=r.viewer,e._objectsKdTree3=r.objectsKdTree3,e._canvasMarqueeCorner1=re.vec2(),e._canvasMarqueeCorner2=re.vec2(),e._canvasMarquee=re.AABB2(),e._marqueeFrustum=new Ie,e._marqueeFrustumProjMat=re.mat4(),e._pickMode=!1,e._marqueeElement=document.createElement("div"),document.body.appendChild(e._marqueeElement),e._marqueeElement.style.position="absolute",e._marqueeElement.style["z-index"]="40000005",e._marqueeElement.style.width="8px",e._marqueeElement.style.height="8px",e._marqueeElement.style.visibility="hidden",e._marqueeElement.style.top="0px",e._marqueeElement.style.left="0px",e._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",e._marqueeElement.style.opacity=1,e._marqueeElement.style["pointer-events"]="none",e}return C(i,[{key:"setMarqueeCorner1",value:function(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarqueeCorner2",value:function(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarquee",value:function(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}},{key:"setMarqueeVisible",value:function(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}},{key:"getMarqueeVisible",value:function(){return this._marqueVisible}},{key:"setPickMode",value:function(e){if(e!==i.PICK_MODE_INSIDE&&e!==i.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===i.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}},{key:"getPickMode",value:function(){return this._pickMode}},{key:"clear",value:function(){this.fire("clear",{})}},{key:"pick",value:function(){var e=this;this._updateMarquee(),this._buildMarqueeFrustum();var t=[];return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&function r(s){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(n===Ie.INTERSECT&&(n=Se(e._marqueeFrustum,s.aabb)),n!==Ie.OUTSIDE){if(s.entities)for(var o=s.entities,a=0,l=o.length;a<l;a++){var u=o[a];if(u.visible){var c=u.aabb;if(e._pickMode===i.PICK_MODE_INSIDE)Se(e._marqueeFrustum,c)===Ie.INSIDE&&t.push(u.id);else Se(e._marqueeFrustum,c)!==Ie.OUTSIDE&&t.push(u.id)}}s.left&&r(s.left,n),s.right&&r(s.right,n)}}(this._objectsKdTree3.root),this.fire("picked",t),t}},{key:"_updateMarquee",value:function(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width="".concat(this._canvasMarquee[2]-this._canvasMarquee[0],"px"),this._marqueeElement.style.height="".concat(this._canvasMarquee[3]-this._canvasMarquee[1],"px"),this._marqueeElement.style.left="".concat(this._canvasMarquee[0],"px"),this._marqueeElement.style.top="".concat(this._canvasMarquee[1],"px")}},{key:"_buildMarqueeFrustum",value:function(){var e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,r=e.clientLeft,s=e.clientTop,n=2/t,o=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-r)*n-1,u=(this._canvasMarquee[2]-r)*n-1,c=-(this._canvasMarquee[3]-s)*o+1,A=-(this._canvasMarquee[1]-s)*o+1,h=this.viewer.scene.camera.frustum.near*(17*a);re.frustumMat4(l,u,c*a,A*a,h,1e4,this._marqueeFrustumProjMat),De(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}]),i}();Te.PICK_MODE_INTERSECTS=0,Te.PICK_MODE_INSIDE=1;var Le=function(e){g(i,Ce);var t=_(i);function i(e){var r;B(this,i),r=t.call(this,e.marqueePicker,e);var s,n,o,a,l,u,c,A=e.marqueePicker,h=A.viewer.scene.canvas.canvas,d=!1,p=!1,f=!1;return h.addEventListener("mousedown",(function(e){r.getActive()&&0===e.button&&(c=setTimeout((function(){var t=A.viewer.scene.input;t.keyDown[t.KEY_CTRL]||A.clear(),s=e.pageX,n=e.pageY,l=e.offsetX,A.setMarqueeCorner1([s,n]),d=!0,A.viewer.cameraControl.pointerEnabled=!1,A.setMarqueeVisible(!0),h.style.cursor="crosshair"}),400),p=!0)})),h.addEventListener("mouseup",(function(e){if(r.getActive()&&(d||f)&&0===e.button){clearTimeout(c),o=e.pageX,a=e.pageY;var t=Math.abs(o-s),i=Math.abs(a-n);d=!1,A.viewer.cameraControl.pointerEnabled=!0,f&&(f=!1),(t>3||i>3)&&A.pick()}})),document.addEventListener("mouseup",(function(e){r.getActive()&&0===e.button&&(clearTimeout(c),d&&(A.setMarqueeVisible(!1),d=!1,p=!1,f=!0,A.viewer.cameraControl.pointerEnabled=!0))}),!0),h.addEventListener("mousemove",(function(e){r.getActive()&&0===e.button&&p&&(clearTimeout(c),d&&(o=e.pageX,a=e.pageY,u=e.offsetX,A.setMarqueeVisible(!0),A.setMarqueeCorner2([o,a]),A.setPickMode(l<u?Te.PICK_MODE_INSIDE:Te.PICK_MODE_INTERSECTS)))})),r}return C(i,[{key:"setActive",value:function(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}},{key:"getActive",value:function(){return this._active}},{key:"destroy",value:function(){}}]),i}(),Re=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this.viewer=t,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==i.active,this._visible=!1,this._running=!1,this._destroyed=!1}return C(e,[{key:"start",value:function(e){var t=this;if(!this._destroyed){this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.marginLeft="".concat(this._circlePos[0]-this._circleRadius,"px"),this._circleDiv.style.marginTop="".concat(this._circlePos[1]-this._circleRadius,"px");var i,r=this._circleMaxRadius;this._running=!0,requestAnimationFrame((function e(s){if(t._running){i||(i=s);var n=s-i,o=Math.min(n/300,1),a=r+(2-r)*o;t._circleRadius=a,t._circleDiv.style.width="".concat(t._circleRadius,"px"),t._circleDiv.style.height="".concat(t._circleRadius,"px"),t._circleDiv.style.marginLeft="".concat(t._circlePos[0]-t._circleRadius/2,"px"),t._circleDiv.style.marginTop="".concat(t._circlePos[1]-t._circleRadius/2,"px"),o<1&&requestAnimationFrame(e)}})),this._circleDiv.style.visibility="visible"}}},{key:"stop",value:function(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.visibility="hidden")}},{key:"durationMs",get:function(){return this._durationMs},set:function(e){this.stop(),this._durationMs=e}},{key:"destroy",value:function(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}]),e}(),Ue=function(){function e(t,i,r){B(this,e),this.id=r&&r.id?r.id:t,this.viewer=i,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,i.addPlugin(this)}return C(e,[{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){console.log("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"warn",value:function(e){console.warn("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.removePlugin(this)}}]),e}(),Oe=function(){var e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},Ne=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==r.visible,this._culled=!1;var s=this._dot,n=s.style;n["border-radius"]="25px",n.border="solid 2px white",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"40000005":r.zIndex,n.width="8px",n.height="8px",n.visibility=this._visible?"visible":"hidden",n.top="0px",n.left="0px",n["box-shadow"]="0 2px 5px 0 #182A3D;",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._dotClickable,a=o.style;a["border-radius"]="35px",a.border="solid 10px white",a.position="absolute",a["z-index"]=void 0===r.zIndex?"40000007":r.zIndex+1,a.width="8px",a.height="8px",a.visibility="visible",a.top="0px",a.left="0px",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),o.addEventListener("click",(function(e){t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onTouchstart&&o.addEventListener("touchstart",(function(e){r.onTouchstart(e,i)})),r.onTouchmove&&o.addEventListener("touchmove",(function(e){r.onTouchmove(e,i)})),r.onTouchend&&o.addEventListener("touchend",(function(e){r.onTouchend(e,i)})),r.onContextMenu&&(Oe()?(o.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),o.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):o.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.borderColor)}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var r=this._dotClickable.style;r.left=Math.round(e)-9+"px",r.top=Math.round(t)-9+"px"}},{key:"setFillColor",value:function(e){this._dot.style.background=e||"lightgreen"}},{key:"setBorderColor",value:function(e){this._dot.style.border="solid 2px"+(e||"black")}},{key:"setOpacity",value:function(e){this._dot.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setClickable",value:function(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}},{key:"destroy",value:function(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}]),e}(),Qe=re.vec3(),Ve=re.vec4(),He=function(){var e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(r,s,n){return n=n||e,t[0]=s[0],t[1]=s[1],t[2]=s[2],t[3]=1,re.transformVec4(r,t,i),re.setMat4Translation(r,i,n),n.slice()}}();function je(e,t,i){var r=Float32Array.from([e[0]])[0],s=e[0]-r,n=Float32Array.from([e[1]])[0],o=e[1]-n,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=r,t[1]=n,t[2]=a,i[0]=s,i[1]=o,i[2]=l}function Ge(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1e3,s=re.getPositionsCenter(e,Qe),n=Math.round(s[0]/r)*r,o=Math.round(s[1]/r)*r,a=Math.round(s[2]/r)*r;i[0]=n,i[1]=o,i[2]=a;var l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(var u=0,c=e.length;u<c;u+=3)t[u+0]=e[u+0]-n,t[u+1]=e[u+1]-o,t[u+2]=e[u+2]-a;return l}function ze(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function We(e,t,i,r,s){var n=s?(Ve.set(i,0),Ve[3]=1,re.mulMat4v4(s,Ve,Ve)):i,o=re.dotVec3(t,n)+e,a=re.normalizeVec3(t,Qe);return re.mulVec3Scalar(a,-o,r),r}var Ke=1,Xe=4,Ye=8,Je=16,Ze=32,qe=256,$e=512,et=1024,tt=2048,it=new Float32Array([0,0,0]),rt=new Uint16Array([0,0,0]);re.OBB3();var st=function(){function e(t,i,r,s,n,o){B(this,e),this._isObject=i,this.scene=t.scene,this.model=t,this.meshes=s,this._numPrimitives=0;for(var a=0,l=this.meshes.length;a<l;a++){var u=this.meshes[a];u.parent=this,u.entity=this,this._numPrimitives+=u.numPrimitives}this.id=r,this.originalSystemId=re.unglobalizeObjectId(t.id,r),this._flags=n,this._aabb=re.AABB3(),this._aabbDirty=!0,this._offset=re.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&t.scene._registerObject(this)}return C(e,[{key:"_transformDirty",value:function(){this._aabbDirty=!0,this.model._transformDirty()}},{key:"_sceneModelDirty",value:function(){this._aabbDirty=!0;for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this.meshes.length;e<t;e++)re.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return!1}},{key:"isObject",get:function(){return this._isObject}},{key:"numPrimitives",get:function(){return this._numPrimitives}},{key:"numTriangles",get:function(){return this._numPrimitives}},{key:"visible",get:function(){return this._getFlag(Ke)},set:function(e){if(!!(this._flags&Ke)!==e){this._flags=e?this._flags|Ke:this._flags&~Ke;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}},{key:"highlighted",get:function(){return this._getFlag($e)},set:function(e){if(!!(this._flags&$e)!==e){this._flags=e?this._flags|$e:this._flags&~$e;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}},{key:"xrayed",get:function(){return this._getFlag(qe)},set:function(e){if(!!(this._flags&qe)!==e){this._flags=e?this._flags|qe:this._flags&~qe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}},{key:"selected",get:function(){return this._getFlag(et)},set:function(e){if(!!(this._flags&et)!==e){this._flags=e?this._flags|et:this._flags&~et;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}},{key:"edges",get:function(){return this._getFlag(tt)},set:function(e){if(!!(this._flags&tt)!==e){this._flags=e?this._flags|tt:this._flags&~tt;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}},{key:"culledVFC",get:function(){return!!this._culledVFC},set:function(e){this._culledVFC=e,this._setCulled()}},{key:"culledLOD",get:function(){return!!this._culledLOD},set:function(e){this._culledLOD=e,this._setCulled()}},{key:"culled",get:function(){return!!this._culled},set:function(e){this._culled=e,this._setCulled()}},{key:"_setCulled",value:function(){var e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Xe)!==e){this._flags=e?this._flags|Xe:this._flags&~Xe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}},{key:"clippable",get:function(){return this._getFlag(Je)},set:function(e){if(!!(this._flags&Je)!==e){this._flags=e?this._flags|Je:this._flags&~Je;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}},{key:"collidable",get:function(){return this._getFlag(Ze)},set:function(e){if(!!(this._flags&Ze)!==e){this._flags=e?this._flags|Ze:this._flags&~Ze;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}},{key:"pickable",get:function(){return this._getFlag(Ye)},set:function(e){if(!!(this._flags&Ye)!==e){this._flags=e?this._flags|Ye:this._flags&~Ye;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}},{key:"colorize",get:function(){if(0===this.meshes.length)return null;var e=this.meshes[0]._colorize;return it[0]=e[0]/255,it[1]=e[1]/255,it[2]=e[2]/255,it},set:function(e){if(e){rt[0]=Math.floor(255*e[0]),rt[1]=Math.floor(255*e[1]),rt[2]=Math.floor(255*e[2]);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setColorize(rt)}else for(var r=0,s=this.meshes.length;r<s;r++)this.meshes[r]._setColorize(null);if(this._isObject){var n=!!e;this.scene._objectColorizeUpdated(this,n),this._colorizeUpdated=n}this.model.glRedraw()}},{key:"opacity",get:function(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1},set:function(e){if(0!==this.meshes.length){var t=null!=e,i=this.meshes[0]._colorize[3],r=255;if(t){if(e<0?e=0:e>1&&(e=1),i===(r=Math.floor(255*e)))return}else if(i===(r=255))return;for(var s=0,n=this.meshes.length;s<n;s++)this.meshes[s]._setOpacity(r,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}},{key:"saoEnabled",get:function(){return this.model.saoEnabled}},{key:"getEachVertex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}},{key:"getEachIndex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}},{key:"volume",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].volume;if(r<0)return-1;e+=r}return e}},{key:"surfaceArea",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].surfaceArea;r>=0&&(e+=r)}return e>0?e:-1}},{key:"_getFlag",value:function(e){return!!(this._flags&e)}},{key:"_finalize",value:function(){var e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._finalize(this._flags)}},{key:"_finalize2",value:function(){for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}},{key:"_destroy",value:function(){var e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._destroy();e._aabbDirty=!0}}]),e}(),nt=re.vec4(),ot=re.vec4(),at=function(e){g(i,Ce);var t=_(i);function i(e,r){var s;return B(this,i),(s=t.call(this,e,r))._entity=null,s._visible=null,s._worldPos=re.vec3(),s._origin=re.vec3(),s._rtcPos=re.vec3(),s._viewPos=re.vec3(),s._canvasPos=re.vec2(),s._occludable=!1,s._onCameraViewMatrix=s.scene.camera.on("matrix",(function(){s._viewPosDirty=!0,s._needUpdate()})),s._onCameraProjMatrix=s.scene.camera.on("projMatrix",(function(){s._canvasPosDirty=!0,s._needUpdate()})),s._onEntityDestroyed=null,s._onEntityModelDestroyed=null,s._renderer.addMarker(b(s)),s.entity=r.entity,s.worldPos=r.worldPos,s.occludable=r.occludable,s}return C(i,[{key:"_update",value:function(){if(this._viewPosDirty&&(re.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){nt.set(this._viewPos),nt[3]=1,re.transformPoint4(this.scene.camera.projMatrix,nt,ot);var e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+ot[0]/ot[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-ot[1]/ot[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}},{key:"_setVisible",value:function(e){this._visible,this._visible=e,this.fire("visible",this._visible)}},{key:"entity",get:function(){return this._entity},set:function(e){var t=this;if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof st?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(function(){t._entity=null,t._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(function(){t._entity=null,t._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}},{key:"occludable",get:function(){return this._occludable},set:function(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}},{key:"worldPos",get:function(){return this._worldPos},set:function(e){this._worldPos.set(e||[0,0,0]),je(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}},{key:"origin",get:function(){return this._origin}},{key:"rtcPos",get:function(){return this._rtcPos}},{key:"viewPos",get:function(){return this._update(),this._viewPos}},{key:"canvasPos",get:function(){return this._update(),this._canvasPos}},{key:"visible",get:function(){return!!this._visible}},{key:"destroy",value:function(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),lt=function(){};function ut(e,t,i){var r=e.getBoundingClientRect(),s=t.getBoundingClientRect();i[0]+=r.left-s.left,i[1]+=r.top-s.top}var ct=function(e){g(i,at);var t=_(i);function i(e,r,s){var n,o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};B(this,i);var a=function(e,t){return function(i){e&&e(i),n.fire(t,i,!0)}};(n=t.call(this,e,r))._dot=new Ne(s,{fillColor:o.fillColor,zIndex:o.zIndex,onMouseOver:a(o.onMouseOver,"mouseover"),onMouseLeave:a(o.onMouseLeave,"mouseleave"),onMouseWheel:a(o.onMouseWheel,"wheel"),onMouseDown:a(o.onMouseDown,"mousedown"),onMouseUp:a(o.onMouseUp,"mouseup"),onMouseMove:a(o.onMouseMove,"mousemove"),onTouchstart:a(o.onTouchstart,"touchstart"),onTouchmove:a(o.onTouchmove,"touchmove"),onTouchend:a(o.onTouchend,"touchend"),onContextMenu:a(o.onContextMenu,"contextmenu")});var l=function(){var t=n.canvasPos.slice();ut(e.canvas.canvas,s,t),n._dot.setPos(t[0],t[1])};n.on("worldPos",l);var u=e.camera.on("viewMatrix",l),c=e.camera.on("projMatrix",l);return n._cleanup=function(){e.camera.off(u),e.camera.off(c),n._dot.destroy()},n}return C(i,[{key:"setClickable",value:function(e){this._dot.setClickable(e)}},{key:"setCulled",value:function(e){this._dot.setCulled(e)}},{key:"setFillColor",value:function(e){this._dot.setFillColor(e)}},{key:"setHighlighted",value:function(e){this._dot.setHighlighted(e)}},{key:"setOpacity",value:function(e){this._dot.setOpacity(e)}},{key:"setVisible",value:function(e){this._dot.setVisible(e)}},{key:"destroy",value:function(){this._cleanup(),f(x(i.prototype),"destroy",this).call(this)}}]),i}();function At(e,t){var i,r=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=r("viewer"),n=r("ray2WorldPos"),o=r("handleMouseEvents",!1),a=r("handleTouchEvents",!1),l=r("onStart",lt),u=r("onMove",lt),c=r("onEnd",lt),A=s.scene,d=A.canvas.canvas,p=function(e){var t=re.vec2([e.clientX,e.clientY]);ut(d.ownerDocument.documentElement,d,t),u(t,function(e){var t=re.vec3(),i=re.vec3();return re.canvasPosToWorldRay(d,A.camera.viewMatrix,A.camera.projMatrix,A.camera.projection,e,t,i),n(t,i,e)}(t))},f=null,v=function(e){var t=f.matchesEvent(e);t&&p(t)},g=function(t){var i=f.matchesEvent(t);i&&(e.setOpacity(b),f.cleanup(),p(i),c())},m=function(t,i){f&&f.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,f={matchesEvent:t,cleanup:function(){f=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},l()},_=[],y=function(t,i){var r=e.on(t,i);_.push((function(){return e.off(r)}))};(o&&(y("mouseover",(function(){return!f&&e.setOpacity(1)})),y("mouseleave",(function(){return!f&&e.setOpacity(b)})),y("mousedown",(function(e){1===e.which&&(d.addEventListener("mousemove",v),d.addEventListener("mouseup",g),m((function(e){return 1===e.which&&e}),(function(){d.removeEventListener("mousemove",v),d.removeEventListener("mouseup",g)})))}))),a)&&(y("touchstart",(function(e){e.preventDefault(),1===e.touches.length&&(i=e.touches[0].identifier,m((function(e){return h(e.changedTouches).find((function(e){return e.identifier===i}))}),(function(){i=null})))})),y("touchmove",(function(e){e.preventDefault(),v(e)})),y("touchend",(function(e){e.preventDefault(),g(e)})));var b=.8;return e.setOpacity(b),function(){f&&f.cleanup(),_.forEach((function(e){return e()})),e.setOpacity(1)}}function ht(e){var t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),r=t("handleMouseEvents",!1),s=t("handleTouchEvents",!1),n=t("pointerLens",null),o=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",lt),u=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},c=o.map((function(e){var t;return At(e,{handleMouseEvents:r,handleTouchEvents:s,viewer:i,ray2WorldPos:function(e,i,r){return a(e,i,r)||t},onStart:function(){t=e.worldPos.slice(),A(!1,e)},onMove:function(t,i){u(t),e.worldPos=i},onEnd:function(){l(t,e)||(e.worldPos=t),u(null),A(!0,e)}})})),A=function(e,t){return o.forEach((function(i){return i!==t&&i.setClickable(e)}))};return A(!0),function(){c.forEach((function(e){return e()})),u(null)}}var dt=function(e,t,i){return function(r,s,n){var o,a=e.scene,l=a.canvas.canvas,u=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,ut(l.ownerDocument.documentElement,l,t),t},c=function(e){var t=re.vec3(),r=re.vec3();return re.canvasPosToWorldRay(l,a.camera.viewMatrix,a.camera.projMatrix,a.camera.projection,e,t,r),i(t,r)},A=null,d=function(){},p=d,f=function(){t.stop(),clearTimeout(A),e.cameraControl.active=!0,p=d,o=null},v=function(){f(),l.removeEventListener("touchstart",g),l.removeEventListener("touchmove",m),l.removeEventListener("touchend",_)},g=function(i){var n=i.touches;if(1!==n.length)f(),r();else{var a=n[0],l=u(a,re.vec2());c(l)&&(o=a.identifier,p=function(e){re.distVec2(l,e)>20&&f()},A=setTimeout((function(){t.start(l),A=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=function(e){s(e,c(e))},p(l)}),300)}),250))}};l.addEventListener("touchstart",g,{passive:!0});var m=function(e){var t=h(e.changedTouches).find((function(e){return e.identifier===o}));t&&p(u(t,re.vec2()))};l.addEventListener("touchmove",m,{passive:!0});var _=function(e){var t=h(e.changedTouches).find((function(e){return e.identifier===o}));if(t){v();var i=u(t,re.vec2());n(i,c(i))}};return l.addEventListener("touchend",_,{passive:!0}),v}},pt=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._color=r.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=r.thickness||1,this._thicknessClickable=r.thicknessClickable||6,this._visible=!0,this._culled=!1;var s=this._wire,n=s.style;n.border="solid "+this._thickness+"px "+this._color,n.position="absolute",n["z-index"]=void 0===r.zIndex?"2000001":r.zIndex,n.width="0px",n.height="0px",n.visibility="visible",n.top="0px",n.left="0px",n["-webkit-transform-origin"]="0 0",n["-moz-transform-origin"]="0 0",n["-ms-transform-origin"]="0 0",n["-o-transform-origin"]="0 0",n["transform-origin"]="0 0",n["-webkit-transform"]="rotate(0deg)",n["-moz-transform"]="rotate(0deg)",n["-ms-transform"]="rotate(0deg)",n["-o-transform"]="rotate(0deg)",n.transform="rotate(0deg)",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._wireClickable,a=o.style;a.border="solid "+this._thicknessClickable+"px "+this._color,a.position="absolute",a["z-index"]=void 0===r.zIndex?"2000002":r.zIndex+1,a.width="0px",a.height="0px",a.visibility="visible",a.top="0px",a.left="0px",a["-webkit-transform-origin"]="0 0",a["-moz-transform-origin"]="0 0",a["-ms-transform-origin"]="0 0",a["-o-transform-origin"]="0 0",a["transform-origin"]="0 0",a["-webkit-transform"]="rotate(0deg)",a["-moz-transform"]="rotate(0deg)",a["-ms-transform"]="rotate(0deg)",a["-o-transform"]="rotate(0deg)",a.transform="rotate(0deg)",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i)})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu&&(Oe()?(o.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),o.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):o.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}return C(e,[{key:"visible",get:function(){return"visible"===this._wire.style.visibility}},{key:"_update",value:function(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var r=this._wireClickable.style;r.width=Math.round(e)+"px",r.left=Math.round(this._x1)+"px",r.top=Math.round(this._y1)+"px",r["-webkit-transform"]="rotate("+t+"deg)",r["-moz-transform"]="rotate("+t+"deg)",r["-ms-transform"]="rotate("+t+"deg)",r["-o-transform"]="rotate("+t+"deg)",r.transform="rotate("+t+"deg)"}},{key:"setStartAndEnd",value:function(e,t,i,r){this._x1=e,this._y1=t,this._x2=i,this._y2=r,this._update()}},{key:"setColor",value:function(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}},{key:"setOpacity",value:function(e){this._wire.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setClickable",value:function(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}},{key:"destroy",value:function(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}]),e}(),ft=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._highlightClass="viewer-ruler-label-highlighted",this._prefix=r.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var s=this._label,n=s.style;n["border-radius"]="5px",n.color="white",n.padding="4px",n.border="solid 1px",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"5000005":r.zIndex,n.width="auto",n.height="auto",n.visibility="visible",n.top="0px",n.left="0px",n["pointer-events"]="all",n.opacity=1,r.onContextMenu,s.innerText="",t.appendChild(s),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.fillColor),this.setText(r.text),r.onMouseOver&&s.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),e.preventDefault()})),r.onMouseLeave&&s.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i),e.preventDefault()})),r.onMouseWheel&&s.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&s.addEventListener("mousedown",(function(e){r.onMouseDown(e,i),e.stopPropagation()})),r.onMouseUp&&s.addEventListener("mouseup",(function(e){r.onMouseUp(e,i),e.stopPropagation()})),r.onMouseMove&&s.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu&&(Oe()?(s.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),s.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):s.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}},{key:"setPosOnWire",value:function(e,t,i,r){var s=e+.5*(i-e),n=t+.5*(r-t),o=this._label.style;o.left=Math.round(s)-20+"px",o.top=Math.round(n)-12+"px"}},{key:"setPosBetweenWires",value:function(e,t,i,r,s,n){var o=(e+i+s)/3,a=(t+r+n)/3,l=this._label.style;l.left=Math.round(o)-20+"px",l.top=Math.round(a)-12+"px"}},{key:"setText",value:function(e){this._label.innerHTML=this._prefix+(e||"")}},{key:"setFillColor",value:function(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}},{key:"setBorderColor",value:function(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}},{key:"setOpacity",value:function(e){this._label.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}},{key:"setClickable",value:function(e){this._label.style["pointer-events"]=e?"all":"none"}},{key:"setPrefix",value:function(e){this._prefix!==e&&(this._prefix=e)}},{key:"destroy",value:function(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}]),e}(),vt=re.vec3(),gt=re.vec3(),mt=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";r._color=s.color||e.defaultColor;var n=r.plugin.viewer.scene;r._originWorld=re.vec3(),r._cornerWorld=re.vec3(),r._targetWorld=re.vec3(),r._wp=new Float64Array(12),r._vp=new Float64Array(12),r._pp=new Float64Array(12),r._cp=new Int16Array(6);var o=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,u=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},c=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},A=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},h=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};return r._originDot=new ct(n,s.origin,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._cornerDot=new ct(n,s.corner,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._targetDot=new ct(n,s.target,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._originWire=new pt(r._container,{color:r._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._targetWire=new pt(r._container,{color:r._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._angleLabel=new ft(r._container,{fillColor:r._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._wpDirty=!1,r._vpDirty=!1,r._cpDirty=!1,r._visible=!1,r._originVisible=!1,r._cornerVisible=!1,r._targetVisible=!1,r._originWireVisible=!1,r._targetWireVisible=!1,r._angleVisible=!1,r._labelsVisible=!1,r._clickable=!1,r._originDot.on("worldPos",(function(e){r._originWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._cornerDot.on("worldPos",(function(e){r._cornerWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._targetDot.on("worldPos",(function(e){r._targetWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._onViewMatrix=n.camera.on("viewMatrix",(function(){r._vpDirty=!0,r._needUpdate(0)})),r._onProjMatrix=n.camera.on("projMatrix",(function(){r._cpDirty=!0,r._needUpdate()})),r._onCanvasBoundary=n.canvas.on("boundary",(function(){r._cpDirty=!0,r._needUpdate(0)})),r._onSectionPlaneUpdated=n.on("sectionPlaneUpdated",(function(){r._sectionPlanesDirty=!0,r._needUpdate()})),r.approximate=s.approximate,r.visible=s.visible,r.originVisible=s.originVisible,r.cornerVisible=s.cornerVisible,r.targetVisible=s.targetVisible,r.originWireVisible=s.originWireVisible,r.targetWireVisible=s.targetWireVisible,r.angleVisible=s.angleVisible,r.labelsVisible=s.labelsVisible,r}return C(i,[{key:"_update",value:function(){if(this._visible){var e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(re.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){var t=-.3,i=this._originDot.viewPos[2],r=this._cornerDot.viewPos[2],s=this._targetDot.viewPos[2];if(i>t||r>t||s>t)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);re.transformPositions4(e.camera.project.matrix,this._vp,this._pp);for(var n=this._pp,o=this._cp,a=e.canvas.canvas.getBoundingClientRect(),l=this._container.getBoundingClientRect(),u=a.top-l.top,c=a.left-l.left,A=e.canvas.boundary,h=A[2],d=A[3],p=0,f=0,v=n.length;f<v;f+=4)o[p]=c+Math.floor((1+n[f+0]/n[f+3])*h/2),o[p+1]=u+Math.floor((1-n[f+1]/n[f+3])*d/2),p+=2;if(this._originWire.setStartAndEnd(o[0],o[1],o[2],o[3]),this._targetWire.setStartAndEnd(o[2],o[3],o[4],o[5]),this._angleLabel.setPosBetweenWires(o[0],o[1],o[2],o[3],o[4],o[5]),re.subVec3(this._originWorld,this._cornerWorld,vt),re.subVec3(this._targetWorld,this._cornerWorld,gt),!(0===vt[0]&&0===vt[1]&&0===vt[2]||0===gt[0]&&0===gt[1]&&0===gt[2])){var g=this._approximate?" ~ ":" = ";re.normalizeVec3(vt),re.normalizeVec3(gt);var m=Math.abs(re.angleVec3(vt,gt));this._angle=m/re.DEGTORAD,this._angleLabel.setText(g+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}}},{key:"_isSliced",value:function(e){for(var t=this.scene._sectionPlanesState.sectionPlanes,i=0,r=t.length;i<r;i++){var s=t[i];if(re.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}},{key:"origin",get:function(){return this._originDot}},{key:"corner",get:function(){return this._cornerDot}},{key:"target",get:function(){return this._targetDot}},{key:"angle",get:function(){return this._update(),this._angle}},{key:"color",get:function(){return this._color},set:function(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}},{key:"originVisible",get:function(){return this._originVisible},set:function(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}},{key:"cornerVisible",get:function(){return this._cornerVisible},set:function(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}},{key:"targetVisible",get:function(){return this._targetVisible},set:function(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}},{key:"originWireVisible",get:function(){return this._originWireVisible},set:function(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}},{key:"targetWireVisible",get:function(){return this._targetWireVisible},set:function(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}},{key:"angleVisible",get:function(){return this._angleVisible},set:function(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}},{key:"labelsVisible",get:function(){return this._labelsVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}},{key:"setHighlighted",value:function(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}},{key:"clickable",get:function(){return this._clickable},set:function(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}},{key:"destroy",value:function(){var e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),_t=function(e){g(i,Ce);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),yt=function(e){g(i,_t);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentAngleMeasurement=null,r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;var t=this.scene;t.input;var i=t.canvas.canvas,r=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens,n=!1,o=null,a=0,l=0,u=re.vec3(),c=re.vec2();this._currentAngleMeasurement=null;var A=re.vec2(),h=function(t){t.snappedToVertex||t.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!0),e.markerDiv.style.background="greenyellow",e.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.canvasPos,s.snapped=!1),e.markerDiv.style.background="pink",e.markerDiv.style.border="2px solid red");var r=t.snappedCanvasPos||t.canvasPos;switch(n=!0,o=t.entity,u.set(t.worldPos),c.set(r),e._mouseState){case 0:if(e._canvasToPagePos)e._canvasToPagePos(i,r,A),e.markerDiv.style.left="".concat(A[0]-5,"px"),e.markerDiv.style.top="".concat(A[1]-5,"px");else{var a=re.vec2(r);ut(i,e.markerDiv.parentNode,a),e.markerDiv.style.left="".concat(a[0]-5,"px"),e.markerDiv.style.top="".concat(a[1]-5,"px")}break;case 1:e._currentAngleMeasurement&&(e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer";break;case 2:e._currentAngleMeasurement&&(e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer"}};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&h(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||h(t)})),i.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(a=e.clientX,l=e.clientY)}),i.addEventListener("mouseup",this._onMouseUp=function(t){if(1===t.which&&!(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20))switch(e._mouseState){case 0:n&&(e._currentAngleMeasurement=e.angleMeasurementsPlugin.createMeasurement({id:re.createUUID(),origin:{worldPos:u,entity:o},corner:{worldPos:u,entity:o},target:{worldPos:u,entity:o},approximate:!0}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.origin.entity=o,e._mouseState=1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement));break;case 1:n?(e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.corner.entity=o,e._mouseState=2):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement));break;case 2:n?(e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.entity=o,e._currentAngleMeasurement.clickable=!0,o=null,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._mouseState=0):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement))}});var d=function(t){if(n=!1,s&&(s.visible=!0,s.pointerPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!1),e.markerDiv.style.left="-100px",e.markerDiv.style.top="-100px",e._currentAngleMeasurement){switch(e._mouseState){case 0:e._currentAngleMeasurement.originVisible=!1;break;case 1:e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1;break;case 2:e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1}i.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&d(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||d(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),bt=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"AngleMeasurements",e))._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new yt(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.corner,s=t.target,n=new mt(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},corner:{entity:r.entity,worldPos:r.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:t.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[n.id]=n,n.on("destroyed",(function(){delete e._measurements[n.id]})),n.clickable=!0,this.fire("measurementCreated",n),n}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=A(i[t],2);r[0];r[1].labelShown=e}}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),xt=function(e){g(i,_t);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Re(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentAngleMeasurement=null,r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._touchState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),c=null,A=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(r){var u=r.touches.length;if(1===u){var d=r.touches[0],p=d.clientX,f=d.clientY;switch(a.set([p,f]),l.set([p,f]),e._touchState){case 0:if(1!==u&&null!==o)return o&&(clearTimeout(o),o=null),e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),h(),void(e._touchState=0);var v=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(v&&v.snapped)s.set(v.worldPos),e.pointerCircle.start(v.snappedCanvasPos);else{var g=i.pick({canvasPos:l,pickSurface:!0});if(!g||!g.worldPos)return;s.set(g.worldPos),e.pointerCircle.start(g.canvasPos)}o=setTimeout((function(){1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=v.canvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement?e._currentAngleMeasurement.origin.worldPos=s:(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:v.worldPos,entity:v.entity},corner:{worldPos:v.worldPos,entity:v.entity},target:{worldPos:v.worldPos,entity:v.entity}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement),e._touchState=2,A())}),e._longTouchTimeoutMs),e._touchState=1,c=d.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.corner.worldPos=r.worldPos,e._currentAngleMeasurement.corner.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,A()}}),e._longTouchTimeoutMs),e._touchState=4),c=d.identifier;break;case 6:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.target.worldPos=r.worldPos,e._currentAngleMeasurement.target.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=8,A()}}),e._longTouchTimeoutMs),e._touchState=7),c=d.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(t){e.pointerCircle.stop();var r=t.touches.length;if(1===r&&1===t.changedTouches.length){var n,a,u=t.touches[0],A=u.clientX,h=u.clientY;if(u.identifier===c)switch(l.set([A,h]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(n.worldPos),e._currentAngleMeasurement.origin.worldPos=n.worldPos):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),s.set(a.worldPos),e._currentAngleMeasurement.origin.worldPos=a.worldPos):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.corner.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.corner.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e._touchState=5;break;case 8:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.target.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.target.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0),e._touchState=8}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(r){e.pointerCircle.stop();var s=r.changedTouches.length;if(1===s){var A=r.changedTouches[0],d=A.clientX,p=A.clientY;if(A.identifier===c)switch(o&&(clearTimeout(o),o=null),u.set([d,p]),e._touchState){case 1:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=0);var f=i.pick({canvasPos:l,pickSurface:!0});f&&f.worldPos?(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:f.worldPos},corner:{worldPos:f.worldPos},target:{worldPos:f.worldPos}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=3):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=3);var v=i.pick({canvasPos:l,pickSurface:!0});v&&v.worldPos?(e._currentAngleMeasurement.corner.worldPos=v.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=6):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 5:e.pointerLens&&(e.pointerLens.visible=!1),e._touchState=6,h();break;case 7:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=6);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentAngleMeasurement.target.worldPos=g.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0,h();break;case 8:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement&&e._currentAngleMeasurement.targetVisible?(e._currentAngleMeasurement.clickable=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._touchState=0):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),wt=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=ht({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Bt=function(e){g(i,wt);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),Pt=function(e){g(i,wt);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Ct=re.vec3(),Mt=re.vec3(),Et=re.vec3(),Ft=function(e){g(i,at);var t=_(i);function i(e,r){var s;if(B(this,i),(s=t.call(this,e,r)).plugin=r.plugin,s._container=r.container,!s._container)throw"config missing: container";if(!r.markerElement&&!r.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!r.labelElement&&!r.labelHTML)throw"config missing: need either labelElement or labelHTML";return s._htmlDirty=!1,r.markerElement?(s._marker=r.markerElement,s._marker.addEventListener("click",s._onMouseClickedExternalMarker=function(){s.plugin.fire("markerClicked",b(s))}),s._marker.addEventListener("contextmenu",s._onContextMenuExtenalMarker=function(){s.plugin.fire("contextmenu",b(s))}),s._marker.addEventListener("mouseenter",s._onMouseEnterExternalMarker=function(){s.plugin.fire("markerMouseEnter",b(s))}),s._marker.addEventListener("mouseleave",s._onMouseLeaveExternalMarker=function(){s.plugin.fire("markerMouseLeave",b(s))}),s._markerExternal=!0):(s._markerHTML=r.markerHTML,s._htmlDirty=!0,s._markerExternal=!1),r.labelElement?(s._label=r.labelElement,s._labelExternal=!0):(s._labelHTML=r.labelHTML,s._htmlDirty=!0,s._labelExternal=!1),s._markerShown=!!r.markerShown,s._labelShown=!!r.labelShown,s._values=r.values||{},s._layoutDirty=!0,s._visibilityDirty=!0,s._labelPosition=24,s._buildHTML(),s._onTick=s.scene.on("tick",(function(){s._htmlDirty&&(s._buildHTML(),s._htmlDirty=!1,s._layoutDirty=!0,s._visibilityDirty=!0),(s._layoutDirty||s._visibilityDirty)&&(s._markerShown||s._labelShown)&&(s._updatePosition(),s._layoutDirty=!1),s._visibilityDirty&&(s._marker.style.visibility=s.visible&&s._markerShown?"visible":"hidden",s._label.style.visibility=s.visible&&s._markerShown&&s._labelShown?"visible":"hidden",s._visibilityDirty=!1)})),s.on("canvasPos",(function(){s._layoutDirty=!0})),s.on("visible",(function(){s._visibilityDirty=!0})),s.setMarkerShown(!1!==r.markerShown),s.setLabelShown(r.labelShown),s.eye=r.eye?r.eye.slice():null,s.look=r.look?r.look.slice():null,s.up=r.up?r.up.slice():null,s.projection=r.projection,s}return C(i,[{key:"_buildHTML",value:function(){var e=this;if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);var t=this._markerHTML||"<p></p>";he.isArray(t)&&(t=t.join("")),t=this._renderTemplate(t.trim());var i=document.createRange().createContextualFragment(t);this._marker=i.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(function(){e.plugin.fire("markerClicked",e)})),this._marker.addEventListener("contextmenu",(function(t){t.preventDefault(),e.plugin.fire("contextmenu",e)})),this._marker.addEventListener("mouseenter",(function(){e.plugin.fire("markerMouseEnter",e)})),this._marker.addEventListener("mouseleave",(function(){e.plugin.fire("markerMouseLeave",e)})),this._marker.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);var r=this._labelHTML||"<p></p>";he.isArray(r)&&(r=r.join("")),r=this._renderTemplate(r.trim());var s=document.createRange().createContextualFragment(r);this._label=s.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}}},{key:"_updatePosition",value:function(){var e=function(e){return e+"px"},t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],r=t[1]+this.canvasPos[1],s=this._marker.getBoundingClientRect().width,n=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(s/2-12);this._marker.style.left=e(n-s/2),this._marker.style.top=e(r-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;var o=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(n+a*(s/2+Math.abs(this._labelPosition)+o/2)-o/2),this._label.style.top=e(r-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}},{key:"_renderTemplate",value:function(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){var i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}},{key:"setFromPickResult",value:function(e){if(e.worldPos&&e.worldNormal){var t=re.normalizeVec3(e.worldNormal,Ct),i=this.plugin&&this.plugin.surfaceOffset||0,r=re.mulVec3Scalar(t,i,Mt),s=re.addVec3(e.worldPos,r,Et);this.entity=e.entity,this.worldPos=s}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}},{key:"setMarkerAlign",value:function(e){var t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}},{key:"setLabelPosition",value:function(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}},{key:"setMarkerShown",value:function(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}},{key:"getMarkerShown",value:function(){return this._markerShown}},{key:"setLabelShown",value:function(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}},{key:"getLabelShown",value:function(){return this._labelShown}},{key:"setField",value:function(e,t){this._values[e]=t||"",this._htmlDirty=!0}},{key:"getField",value:function(e){return this._values[e]}},{key:"setValues",value:function(e){for(var t in e)if(e.hasOwnProperty(t)){var i=e[t];this.setField(t,i)}}},{key:"getValues",value:function(){return this._values}},{key:"destroy",value:function(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),kt=function(e){g(i,Ue);var t=_(i);function i(e,r){var s;return B(this,i),(s=t.call(this,"Annotations",e))._labelHTML=r.labelHTML||"<div></div>",s._markerHTML=r.markerHTML||"<div></div>",s._container=r.container||document.body,s._values=r.values||{},s.annotations={},s.surfaceOffset=r.surfaceOffset,s}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){if("clearAnnotations"===e)this.clear()}},{key:"surfaceOffset",get:function(){return this._surfaceOffset},set:function(e){null==e&&(e=.3),this._surfaceOffset=e}},{key:"createAnnotation",value:function(e){var t=this;this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var i=null;e.markerElementId&&((i=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var r=null;e.labelElementId&&((r=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));var s=new Ft(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:i,labelElement:r,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:he.apply(e.values,he.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(function(){delete t.annotations[s.id],t.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}},{key:"destroyAnnotation",value:function(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.annotations),t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),It=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._canvas=s.canvas,r._element=null,r._isCustom=!1,s.elementId&&(r._element=document.getElementById(s.elementId),r._element?r._adjustPosition():r.error("Can't find given Spinner HTML element: '"+s.elementId+"' - will automatically create default element")),r._element||r._createDefaultSpinner(),r.processes=0,r}return C(i,[{key:"type",get:function(){return"Spinner"}},{key:"_createDefaultSpinner",value:function(){this._injectDefaultCSS();var e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}},{key:"_injectDefaultCSS",value:function(){var e="xeokit-spinner-css";if(!document.getElementById(e)){var t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}}},{key:"_adjustPosition",value:function(){if(!this._isCustom){var e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}}},{key:"processes",get:function(){return this._processes},set:function(e){if(e=e||0,this._processes!==e&&!(e<0)){var t=this._processes;this._processes=e;var i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}}},{key:"_destroy",value:function(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);var e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}]),i}(),Dt=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"],St=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._backgroundColor=re.vec3([s.backgroundColor?s.backgroundColor[0]:1,s.backgroundColor?s.backgroundColor[1]:1,s.backgroundColor?s.backgroundColor[2]:1]),r._backgroundColorFromAmbientLight=!!s.backgroundColorFromAmbientLight,r.canvas=s.canvas,r.gl=null,r.webgl2=!1,r.transparent=!!s.transparent,r.contextAttr=s.contextAttr||{},r.contextAttr.alpha=r.transparent,r.contextAttr.preserveDrawingBuffer=!!r.contextAttr.preserveDrawingBuffer,r.contextAttr.stencil=!1,r.contextAttr.premultipliedAlpha=!!r.contextAttr.premultipliedAlpha,r.contextAttr.antialias=!1!==r.contextAttr.antialias,r.resolutionScale=s.resolutionScale,r.canvas.width=Math.round(r.canvas.clientWidth*r._resolutionScale),r.canvas.height=Math.round(r.canvas.clientHeight*r._resolutionScale),r.boundary=[r.canvas.offsetLeft,r.canvas.offsetTop,r.canvas.clientWidth,r.canvas.clientHeight],r._initWebGL(s);var n=b(r);r.canvas.addEventListener("webglcontextlost",r._webglcontextlostListener=function(e){console.time("webglcontextrestored"),n.scene._webglContextLost(),n.fire("webglcontextlost"),e.preventDefault()},!1),r.canvas.addEventListener("webglcontextrestored",r._webglcontextrestoredListener=function(e){n._initWebGL(),n.gl&&(n.scene._webglContextRestored(n.gl),n.fire("webglcontextrestored",n.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);var o=!0,a=new ResizeObserver((function(e){var t,i=c(e);try{for(i.s();!(t=i.n()).done;){t.value.contentBoxSize&&(o=!0)}}catch(e){i.e(e)}finally{i.f()}}));return a.observe(r.canvas),r._tick=r.scene.on("tick",(function(){o&&(o=!1,n.canvas.width=Math.round(n.canvas.clientWidth*n._resolutionScale),n.canvas.height=Math.round(n.canvas.clientHeight*n._resolutionScale),n.boundary[0]=n.canvas.offsetLeft,n.boundary[1]=n.canvas.offsetTop,n.boundary[2]=n.canvas.clientWidth,n.boundary[3]=n.canvas.clientHeight,n.fire("boundary",n.boundary))})),r._spinner=new It(r.scene,{canvas:r.canvas,elementId:s.spinnerElementId}),r}return C(i,[{key:"type",get:function(){return"Canvas"}},{key:"backgroundColorFromAmbientLight",get:function(){return this._backgroundColorFromAmbientLight},set:function(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}},{key:"backgroundColor",get:function(){return this._backgroundColor},set:function(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}},{key:"resolutionScale",get:function(){return this._resolutionScale},set:function(e){if((e=e||1)!==this._resolutionScale){this._resolutionScale=e;var t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}}},{key:"spinner",get:function(){return this._spinner}},{key:"_createCanvas",value:function(){var e="xeokit-canvas-"+re.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),r=i.style;r.height="100%",r.width="100%",r.padding="0",r.margin="0",r.background="rgba(0,0,0,0);",r.float="left",r.left="0",r.top="0",r.position="absolute",r.opacity="1.0",r["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}},{key:"_getElementXY",value:function(e){for(var t=0,i=0;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}},{key:"_initWebGL",value:function(){if(!this.gl)for(var e=0;!this.gl&&e<Dt.length;e++)try{this.gl=this.canvas.getContext(Dt[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));var t=this.gl,i="__",r=t.activeTexture;t.activeTexture=function(e){i!==e&&(i=e,r.call(this,e))};var s={},n=t.bindTexture;t.bindTexture=function(e,t){s[i]!==t&&(s[i]=t,n.call(this,e,t))},this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}},{key:"getSnapshot",value:function(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}},{key:"readPixels",value:function(e,t,i,r){return this.scene._renderer.readPixels(e,t,i,r)}},{key:"loseWebGLContext",value:function(){this.canvas.loseContext&&this.canvas.loseContext()}},{key:"destroy",value:function(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Tt=function(){function e(t){B(this,e),this._scene=t,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}return C(e,[{key:"reset",value:function(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=re.vec3(),this.snapPickOrigin=re.vec3()}},{key:"getRTCViewMatrix",value:function(e,t){var i=this._rtcViewMats[e];return i||(i=this._getNewMat(),He(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}},{key:"getRTCPickViewMatrix",value:function(e,t){var i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();var r=this.pickViewMatrix||this._scene.camera.viewMatrix;He(r,t,i),this._rtcPickViewMats[e]=i}return i}},{key:"_getNewMat",value:function(){var e=this._matPool[this._matPoolNextFreeIndex];return e||(e=re.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}]),e}(),Lt={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Rt=document.createElement("canvas");if(Rt){var Ut=Rt.getContext("webgl",{antialias:!0})||Rt.getContext("experimental-webgl",{antialias:!0});Lt.WEBGL=!!Ut,Lt.WEBGL&&(Lt.ANTIALIAS=Ut.getContextAttributes().antialias,Ut.getShaderPrecisionFormat?Ut.getShaderPrecisionFormat(Ut.FRAGMENT_SHADER,Ut.HIGH_FLOAT).precision>0?Lt.FS_MAX_FLOAT_PRECISION="highp":Ut.getShaderPrecisionFormat(Ut.FRAGMENT_SHADER,Ut.MEDIUM_FLOAT).precision>0?Lt.FS_MAX_FLOAT_PRECISION="mediump":Lt.FS_MAX_FLOAT_PRECISION="lowp":Lt.FS_MAX_FLOAT_PRECISION="mediump",Lt.DEPTH_BUFFER_BITS=Ut.getParameter(Ut.DEPTH_BITS),Lt.MAX_TEXTURE_SIZE=Ut.getParameter(Ut.MAX_TEXTURE_SIZE),Lt.MAX_CUBE_MAP_SIZE=Ut.getParameter(Ut.MAX_CUBE_MAP_TEXTURE_SIZE),Lt.MAX_RENDERBUFFER_SIZE=Ut.getParameter(Ut.MAX_RENDERBUFFER_SIZE),Lt.MAX_TEXTURE_UNITS=Ut.getParameter(Ut.MAX_COMBINED_TEXTURE_IMAGE_UNITS),Lt.MAX_TEXTURE_IMAGE_UNITS=Ut.getParameter(Ut.MAX_TEXTURE_IMAGE_UNITS),Lt.MAX_VERTEX_ATTRIBS=Ut.getParameter(Ut.MAX_VERTEX_ATTRIBS),Lt.MAX_VERTEX_UNIFORM_VECTORS=Ut.getParameter(Ut.MAX_VERTEX_UNIFORM_VECTORS),Lt.MAX_FRAGMENT_UNIFORM_VECTORS=Ut.getParameter(Ut.MAX_FRAGMENT_UNIFORM_VECTORS),Lt.MAX_VARYING_VECTORS=Ut.getParameter(Ut.MAX_VARYING_VECTORS),Ut.getSupportedExtensions().forEach((function(e){Lt.SUPPORTED_EXTENSIONS[e]=!0})))}var Ot=function(){function e(){B(this,e),this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}return C(e,[{key:"canvasPos",get:function(){return this._gotCanvasPos?this._canvasPos:null},set:function(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}},{key:"origin",get:function(){return this._gotOrigin?this._origin:null},set:function(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}},{key:"direction",get:function(){return this._gotDirection?this._direction:null},set:function(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}},{key:"indices",get:function(){return this.entity&&this._gotIndices?this._indices:null},set:function(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}},{key:"localPos",get:function(){return this.entity&&this._gotLocalPos?this._localPos:null},set:function(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}},{key:"snappedCanvasPos",get:function(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null},set:function(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}},{key:"worldPos",get:function(){return this._gotWorldPos?this._worldPos:null},set:function(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}},{key:"viewPos",get:function(){return this.entity&&this._gotViewPos?this._viewPos:null},set:function(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}},{key:"bary",get:function(){return this.entity&&this._gotBary?this._bary:null},set:function(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}},{key:"worldNormal",get:function(){return this.entity&&this._gotWorldNormal?this._worldNormal:null},set:function(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}},{key:"uv",get:function(){return this.entity&&this._gotUV?this._uv:null},set:function(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}},{key:"snapped",get:function(){return this.snappedToEdge||this.snappedToVertex}},{key:"reset",value:function(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}]),e}(),Nt=function(){function e(t,i,r){if(B(this,e),this.allocated=!1,this.compiled=!1,this.handle=t.createShader(i),this.handle){if(this.allocated=!0,t.shaderSource(this.handle,r),t.compileShader(this.handle),this.compiled=t.getShaderParameter(this.handle,t.COMPILE_STATUS),!this.compiled&&!t.isContextLost()){for(var s=r.split("\n"),n=[],o=0;o<s.length;o++)n.push(o+1+": "+s[o]+"\n");this.errors=[],this.errors.push(""),this.errors.push(t.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(n.join(""))}}else this.errors=["Failed to allocate"]}return C(e,[{key:"destroy",value:function(){}}]),e}(),Qt=C((function e(t,i){B(this,e),this.bindTexture=function(e,r){return!!e.bind(r)&&(t.uniform1i(i,r),!0)}})),Vt=function(){function e(t,i){B(this,e),this._gl=t,this.location=i}return C(e,[{key:"bindArrayBuffer",value:function(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}]),e}(),Ht=new G({});function jt(e){for(var t,i,r=[],s=0,n=e.length;s<n;s++)(i=(t=e[s]).indexOf("/"))>0&&"/"===t.charAt(i+1)&&(t=t.substring(0,i)),r.push(t);return r.join("\n")}function Gt(e){console.error(e.join("\n"))}var zt=function(){function e(t,i){B(this,e),this.id=Ht.addItem({}),this.source=i,this.init(t)}return C(e,[{key:"init",value:function(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Nt(e,e.VERTEX_SHADER,jt(this.source.vertex)),this._fragmentShader=new Nt(e,e.FRAGMENT_SHADER,jt(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Gt(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Gt(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Gt(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Gt(this.errors);var t,i,r,s,n;if(this.compiled=!0,this.handle=e.createProgram(),this.handle){if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Gt(this.errors);var o=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<o;++i)(r=e.getActiveUniform(this.handle,i))&&("\0"===(s=r.name)[s.length-1]&&(s=s.substr(0,s.length-1)),n=e.getUniformLocation(this.handle,s),r.type===e.SAMPLER_2D||r.type===e.SAMPLER_CUBE||35682===r.type||e instanceof WebGL2RenderingContext&&(r.type===e.UNSIGNED_INT_SAMPLER_2D||r.type===e.INT_SAMPLER_2D)?this.samplers[s]=new Qt(e,n):this.uniforms[s]=n);var a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)(t=e.getActiveAttrib(this.handle,i))&&(n=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new Vt(e,n));this.allocated=!0}else this.errors=["Failed to allocate program"]}},{key:"bind",value:function(){this.allocated&&this.gl.useProgram(this.handle)}},{key:"getLocation",value:function(e){if(this.allocated)return this.uniforms[e]}},{key:"getAttribute",value:function(e){if(this.allocated)return this.attributes[e]}},{key:"bindTexture",value:function(e,t,i){if(!this.allocated)return!1;var r=this.samplers[e];return!!r&&r.bindTexture(t,i)}},{key:"destroy",value:function(){this.allocated&&(Ht.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}]),e}(),Wt=function(){function e(t,i,r,s,n,o,a,l,u){switch(B(this,e),this._gl=t,this.type=i,this.allocated=!1,r.constructor){case Uint8Array:this.itemType=t.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=t.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=t.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=t.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=t.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=t.INT,this.itemByteSize=4;break;default:this.itemType=t.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=n,this.normalized=!!a,this.stride=l||0,this.offset=u||0,this._allocate(r)}return C(e,[{key:"_allocate",value:function(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}},{key:"setData",value:function(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}},{key:"bind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}},{key:"unbind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,null)}},{key:"destroy",value:function(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}]),e}(),Kt=function(){function e(t,i){B(this,e),this.scene=t,this.aabb=re.AABB3(),this.origin=re.vec3(i),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}return C(e,[{key:"addMarker",value:function(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}},{key:"markerWorldPosUpdated",value:function(e){if(this.markers[e.id]){var t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}}},{key:"removeMarker",value:function(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}},{key:"update",value:function(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}},{key:"_buildMarkerList",value:function(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}},{key:"_buildPositions",value:function(){for(var e=0,t=0;t<this.numMarkers;t++)if(this.markerList[t]){var i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}},{key:"_buildAABB",value:function(){var e=this.aabb;re.collapseAABB3(e),re.expandAABB3Points3(e,this.positions);var t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}},{key:"_buildVBOs",value:function(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}var e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new Wt(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}},{key:"_buildOcclusionTestList",value:function(){var e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,r=i[2],s=i[3],n=0;this.lenOcclusionTestList=0;for(var o=0;o<this.numMarkers;o++){var a=this.markerList[o];if(a.viewPos[2]>-t)a._setVisible(!1);else{var l=a.canvasPos,u=l[0],c=l[1];u+10<0||c+10<0||u-10>r||c-10>s?a._setVisible(!1):!a.entity||a.entity.visible?a.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=a,this.pixels[n++]=u,this.pixels[n++]=c):a._setVisible(!0):a._setVisible(!1)}}}},{key:"_updateActiveSectionPlanes",value:function(){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i];if(r.active){var s=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===s)return void(this.culledBySectionPlanes=!0);var n=0===s;this.sectionPlanesActive[i]=n}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}},{key:"destroy",value:function(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}]),e}(),Xt=re.vec3([1,0,0]),Yt=re.vec3(),Jt=function(){function e(t,i){var r=this;B(this,e),this._scene=t,this._renderBufferManager=i,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=t.camera.on("viewMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCameraProjMatrix=t.camera.on("projMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCanvasBoundary=t.canvas.on("boundary",(function(){r._occlusionTestListDirty=!0}))}return C(e,[{key:"addMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i||(i=new Kt(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}},{key:"markerWorldPosUpdated",value:function(e){var t=this._markersToOcclusionLayersMap[e.id];if(t){var i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);var r=this._occlusionLayers[i];r||(r=new Kt(this._scene,e.origin),this._occlusionLayers[i]=r,this._occlusionLayersListDirty=!0),r.addMarker(e),this._markersToOcclusionLayersMap[e.id]=r}else t.markerWorldPosUpdated(e)}}},{key:"removeMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}},{key:"needOcclusionTest",get:function(){return this._occlusionTestListDirty}},{key:"bindRenderBuf",value:function(){var e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(var t=0,i=this._occlusionLayersList.length;t<i;t++){this._occlusionLayersList[t].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}},{key:"_buildOcclusionLayersList",value:function(){var e=0;for(var t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}},{key:"_buildShaderSource",value:function(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}},{key:"_buildVertexShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}},{key:"_buildFragmentShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// OcclusionTester fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  float dist = 0.0;");for(var n=0;n<t.sectionPlanes.length;n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),r.push("}"),r}},{key:"_buildProgram",value:function(){this._program&&this._program.destroy();var e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new zt(t,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=i.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}}},{key:"drawMarkers",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e._sectionPlanesState,s=e.camera,n=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s._project._state.matrix),e.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=this._occlusionLayersList.length;a<l;a++){var u=this._occlusionLayersList[a];if(u.update(),!u.culledBySectionPlanes){var c=u.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,He(s.viewMatrix,c));var A=r.sectionPlanes.length;if(A>0)for(var h=r.sectionPlanes,d=0;d<A;d++){var p=this._uSectionPlanes[d];if(p){var f=u.sectionPlanesActive[d];if(t.uniform1i(p.active,f?1:0),f){var v=h[d];t.uniform3fv(p.pos,We(v.dist,v.dir,c,Yt)),t.uniform3fv(p.dir,v.dir)}}}this._aPosition.bindArrayBuffer(u.positionsBuf);var g=u.indicesBuf;g.bind(),t.drawElements(t.POINTS,g.numItems,g.itemType,0)}}}},{key:"doOcclusionTest",value:function(){for(var e=this._scene.canvas.resolutionScale,t=255*Xt[0],i=255*Xt[1],r=255*Xt[2],s=0,n=this._occlusionLayersList.length;s<n;s++)for(var o=this._occlusionLayersList[s],a=0;a<o.lenOcclusionTestList;a++){var l=o.occlusionTestList[a],u=2*a,c=this._readPixelBuf.read(Math.round(o.pixels[u]*e),Math.round(o.pixels[u+1]*e)),A=c[0]===t&&c[1]===i&&c[2]===r;l._setVisible(A)}}},{key:"unbindRenderBuf",value:function(){this._readPixelBuf.unbind()}},{key:"destroy",value:function(){if(!this.destroyed){for(var e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}]),e}(),Zt=re.vec2(),qt=function(){function e(t){B(this,e),this._scene=t,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}return C(e,[{key:"render",value:function(e){var t=this;if(this._build(),!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;t._scene.camera.on("projMatrix",(function(){e=!0}));var i=re.mat4();return function(){return e&&re.inverseMat4(s.camera.projMatrix,i),i}}());var i=this._scene.canvas.gl,r=this._program,s=this._scene,n=s.sao,o=i.drawingBufferWidth,a=i.drawingBufferHeight,l=s.camera.project._state,u=l.near,c=l.far,A=l.matrix,h=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;Zt[0]=o,Zt[1]=a,i.viewport(0,0,o,a),i.clearColor(0,0,0,1),i.disable(i.DEPTH_TEST),i.disable(i.BLEND),i.frontFace(i.CCW),i.clear(i.COLOR_BUFFER_BIT),r.bind(),i.uniform1f(this._uCameraNear,u),i.uniform1f(this._uCameraFar,c),i.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,A),i.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,h),i.uniform1i(this._uPerspective,p),i.uniform1f(this._uScale,n.scale*(c/5)),i.uniform1f(this._uIntensity,n.intensity),i.uniform1f(this._uBias,n.bias),i.uniform1f(this._uKernelRadius,n.kernelRadius),i.uniform1f(this._uMinResolution,n.minResolution),i.uniform2fv(this._uViewport,Zt),i.uniform1f(this._uRandomSeed,d);var f=e.getDepthTexture();r.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),i.drawElements(i.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"_build",value:function(){var e=!1,t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),e){var i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new zt(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:["#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ".concat(this._numSamples,"\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var r=new Float32Array([1,1,0,1,0,0,1,0]),s=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),n=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Wt(i,i.ARRAY_BUFFER,s,s.length,3,i.STATIC_DRAW),this._uvBuf=new Wt(i,i.ARRAY_BUFFER,r,r.length,2,i.STATIC_DRAW),this._indicesBuf=new Wt(i,i.ELEMENT_ARRAY_BUFFER,n,n.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}}},{key:"destroy",value:function(){this._program&&(this._program.destroy(),this._program=null)}}]),e}(),$t=new Float32Array(ni(17,[0,1])),ei=new Float32Array(ni(17,[1,0])),ti=new Float32Array(function(e,t){for(var i=[],r=0;r<=e;r++)i.push(si(r,t));return i}(17,4)),ii=new Float32Array(2),ri=function(){function e(t){B(this,e),this._scene=t,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}return C(e,[{key:"init",value:function(){var e=this._scene.canvas.gl;if(this._program=new zt(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS ".concat(16,"\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),r=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Wt(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new Wt(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new Wt(e,e.ELEMENT_ARRAY_BUFFER,r,r.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}},{key:"render",value:function(e,t,i){var r=this;if(!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;r._scene.camera.on("projMatrix",(function(){e=!0}));var t=re.mat4();return function(){return e&&re.inverseMat4(o.camera.projMatrix,t),t}}());var s=this._scene.canvas.gl,n=this._program,o=this._scene,a=s.drawingBufferWidth,l=s.drawingBufferHeight,u=o.camera.project._state,c=u.near,A=u.far;s.viewport(0,0,a,l),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),n.bind(),ii[0]=a,ii[1]=l,s.uniform2fv(this._uViewport,ii),s.uniform1f(this._uCameraNear,c),s.uniform1f(this._uCameraFar,A),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,ei):s.uniform2fv(this._uSampleOffsets,$t),s.uniform1fv(this._uSampleWeights,ti);var h=e.getDepthTexture(),d=t.getTexture();n.bindTexture(this._uDepthTexture,h,0),n.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"destroy",value:function(){this._program.destroy()}}]),e}();function si(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function ni(e,t){for(var i=[],r=0;r<=e;r++)i.push(t[0]*r),i.push(t[1]*r);return i}var oi=function(){function e(t,i,r){B(this,e),r=r||{},this.gl=i,this.allocated=!1,this.canvas=t,this.buffer=null,this.bound=!1,this.size=r.size,this._hasDepthTexture=!!r.depthTexture}return C(e,[{key:"setSize",value:function(e){this.size=e}},{key:"webglContextRestored",value:function(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}},{key:"bind",value:function(){if(this._touch.apply(this,arguments),!this.bound){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}}},{key:"createTexture",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=this.gl,s=r.createTexture();return r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),i?r.texStorage2D(r.TEXTURE_2D,1,i,e,t):r.texImage2D(r.TEXTURE_2D,0,r.RGBA,e,t,0,r.RGBA,r.UNSIGNED_BYTE,null),s}},{key:"_touch",value:function(){var e,t,i=this,r=this.gl;if(this.size?(e=this.size[0],t=this.size[1]):(e=r.drawingBufferWidth,t=r.drawingBufferHeight),this.buffer){if(this.buffer.width===e&&this.buffer.height===t)return;this.buffer.textures.forEach((function(e){return r.deleteTexture(e)})),r.deleteFramebuffer(this.buffer.framebuf),r.deleteRenderbuffer(this.buffer.renderbuf)}for(var s,n=[],o=arguments.length,a=new Array(o),l=0;l<o;l++)a[l]=arguments[l];a.length>0?n.push.apply(n,h(a.map((function(r){return i.createTexture(e,t,r)})))):n.push(this.createTexture(e,t)),this._hasDepthTexture&&(s=r.createTexture(),r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texImage2D(r.TEXTURE_2D,0,r.DEPTH_COMPONENT32F,e,t,0,r.DEPTH_COMPONENT,r.FLOAT,null));var u=r.createRenderbuffer();r.bindRenderbuffer(r.RENDERBUFFER,u),r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_COMPONENT32F,e,t);var c=r.createFramebuffer();r.bindFramebuffer(r.FRAMEBUFFER,c);for(var A=0;A<n.length;A++)r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0+A,r.TEXTURE_2D,n[A],0);if(a.length>0&&r.drawBuffers(n.map((function(e,t){return r.COLOR_ATTACHMENT0+t}))),this._hasDepthTexture?r.framebufferTexture2D(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.TEXTURE_2D,s,0):r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,u),r.bindTexture(r.TEXTURE_2D,null),r.bindRenderbuffer(r.RENDERBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,c),!r.isFramebuffer(c))throw"Invalid framebuffer";r.bindFramebuffer(r.FRAMEBUFFER,null);var d=r.checkFramebufferStatus(r.FRAMEBUFFER);switch(d){case r.FRAMEBUFFER_COMPLETE:break;case r.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case r.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+d}this.buffer={framebuf:c,renderbuf:u,texture:n[0],textures:n,depthTexture:s,width:e,height:t},this.bound=!1}},{key:"clear",value:function(){if(!this.bound)throw"Render buffer not bound";var e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}},{key:"read",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:Uint8Array,n=arguments.length>5&&void 0!==arguments[5]?arguments[5]:4,o=arguments.length>6&&void 0!==arguments[6]?arguments[6]:0,a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,u=new s(n),c=this.gl;return c.readBuffer(c.COLOR_ATTACHMENT0+o),c.readPixels(a,l,1,1,i||c.RGBA,r||c.UNSIGNED_BYTE,u,0),u}},{key:"readArray",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:Uint8Array,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:4,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:0,n=new i(this.buffer.width*this.buffer.height*r),o=this.gl;return o.readBuffer(o.COLOR_ATTACHMENT0+s),o.readPixels(0,0,this.buffer.width,this.buffer.height,e||o.RGBA,t||o.UNSIGNED_BYTE,n,0),n}},{key:"readImageAsCanvas",value:function(){var e=this.gl,t=this._getImageDataCache(),i=t.pixelData,r=t.canvas,s=t.imageData,n=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);for(var o=this.buffer.width,a=this.buffer.height,l=a/2|0,u=4*o,c=new Uint8Array(4*o),A=0;A<l;++A){var h=A*u,d=(a-A-1)*u;c.set(i.subarray(h,h+u)),i.copyWithin(h,d,d+u),i.set(c,d)}return s.data.set(i),n.putImageData(s,0,0),r}},{key:"readImage",value:function(e){var t=this.gl,i=this._getImageDataCache(),r=i.pixelData,s=i.canvas,n=i.imageData,o=i.context,a=this.buffer,l=a.width,u=a.height;t.readPixels(0,0,l,u,t.RGBA,t.UNSIGNED_BYTE,r),n.data.set(r),o.putImageData(n,0,0),o.save(),o.globalCompositeOperation="copy",o.scale(1,-1),o.drawImage(s,0,-u,l,u),o.restore();var c=e.format||"png";return"jpeg"!==c&&"png"!==c&&"bmp"!==c&&(console.error("Unsupported image format: '"+c+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),c="png"),s.toDataURL("image/".concat(c))}},{key:"_getImageDataCache",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Uint8Array,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4,i=this.buffer.width,r=this.buffer.height,s=this._imageDataCache;if(s&&(s.width===i&&s.height===r||(this._imageDataCache=null,s=null)),!s){var n=document.createElement("canvas"),o=n.getContext("2d");n.width=i,n.height=r,s={pixelData:new e(i*r*t),canvas:n,context:o,imageData:o.createImageData(i,r),width:i,height:r},this._imageDataCache=s}return s.context.resetTransform(),s}},{key:"unbind",value:function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}},{key:"getTexture",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}},{key:"hasDepthTexture",value:function(){return this._hasDepthTexture}},{key:"getDepthTexture",value:function(){if(!this._hasDepthTexture)return null;var e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}},{key:"destroy",value:function(){if(this.allocated){var e=this.gl;this.buffer.textures.forEach((function(t){return e.deleteTexture(t)})),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}]),e}(),ai=function(){function e(t){B(this,e),this.scene=t,this._renderBuffersBasic={},this._renderBuffersScaled={}}return C(e,[{key:"getRenderBuffer",value:function(e,t){var i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled,r=i[e];return r||(r=new oi(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=r),r}},{key:"destroy",value:function(){for(var e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(var t in this._renderBuffersScaled)this._renderBuffersScaled[t].destroy()}}]),e}();function li(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];var i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}var ui=function(e,t){t=t||{};var i=new Tt(e),r=e.canvas.canvas,s=e.canvas.gl,n=!!t.transparent,o=t.alphaDepthMask,a=new G({}),l={},u={},c=[],A=[],h=!0,d=!0,p=!0,f=!0,v=!0,g=!0,m=!0,_=!0,y=new ai(e),b=!1,x=new qt(e),w=new ri(e);function B(){h&&(!function(){for(var e in l)if(l.hasOwnProperty(e)){var t=l[e],i=t.drawableMap,r=t.drawableListPreCull,s=0;for(var n in i)i.hasOwnProperty(n)&&(r[s++]=i[n]);r.length=s}}(),h=!1,d=!0),d&&(!function(){var e=0;for(var t in l)if(l.hasOwnProperty(t))for(var i=l[t].drawableListPreCull,r=0,s=i.length;r<s;r++){var n=i[r];c[e++]=n}c.length=e,c.sort((function(e,t){return e.renderOrder-t.renderOrder}))}(),d=!1,p=!0),p&&function(){for(var e=0,t=0,i=c.length;t<i;t++){var r=c[t];r.rebuildRenderFlags(),r.renderFlags.culled||(A[e++]=r)}A.length=e}()}function P(e){if(e.castsShadow){var t=e.getShadowRenderBuf();if(t){for(var r in t.bind(),i.reset(),i.backfaces=!0,i.frontface=!0,i.shadowViewMatrix=e.getShadowViewMatrix(),i.shadowProjMatrix=e.getShadowProjMatrix(),s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),l)if(l.hasOwnProperty(r))for(var n=l[r].drawableList,o=0,a=n.length;o<a;o++){var u=n[o];!1!==u.visible&&u.castsShadow&&u.drawShadow&&(u.renderFlags.colorOpaque&&u.drawShadow(i))}t.unbind()}}}function C(t,r,n,o,l,u){var c=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=u.origin,i.pickViewMatrix=n,i.pickProjMatrix=o,i.pickInvisible=!!l.pickInvisible,i.pickClipPos=[D(r[0]*c,s.drawingBufferWidth),S(r[1]*c,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var h=l.includeEntityIds,d=l.excludeEntityIds,p=0,f=A.length;p<f;p++){var v=A[p];!0!==v.culled&&!1!==v.visible&&(!v.drawPickMesh||!0!==l.pickInvisible&&!1===v.visible||!1===v.pickable||h&&!h[v.id]||d&&d[v.id]||v.drawPickMesh(i))}var g=t.read(0,0),m=g[0]+(g[1]<<8)+(g[2]<<16)+(g[3]<<24);if(!(m<0))return a.items[m]}function M(t,r,n,o,a,l){if(r.drawPickTriangles){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.drawPickTriangles(i);var c=t.read(0,0),A=c[0]+256*c[1]+256*c[2]*256+256*c[3]*256*256;A*=3,l.primIndex=A}}this.scene=e,this._occlusionTester=null,this.capabilities={astcSupported:!!li(s,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!li(s,"WEBGL_compressed_texture_etc"),dxtSupported:!!li(s,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!li(s,"EXT_texture_compression_bptc"),pvrtcSupported:!(!li(s,"WEBGL_compressed_texture_pvrtc")&&!li(s,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){f=e,p=!0},this.setEdgesEnabled=function(e){v=e,p=!0},this.setSAOEnabled=function(e){g=e,p=!0},this.setPBREnabled=function(e){m=e,p=!0},this.setColorTextureEnabled=function(e){_=e,p=!0},this.needStateSort=function(){d=!0},this.shadowsDirty=function(){},this.imageDirty=function(){p=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){x.init(),w.init(),p=!0},this.addDrawable=function(e,t){var i=t.type;if(i){var r=l[i];r||(r={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},l[i]=r),r.count++,r.drawableMap[e]=t,u[e]=t,h=!0}else console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring")},this.removeDrawable=function(e){var t=u[e];if(t){var i=t.type,r=l[i];--r.count<=0?delete l[i]:delete r.drawableMap[e],delete u[e],h=!0}else console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring")},this.getPickID=function(e){return a.addItem(e)},this.putPickID=function(e){a.removeItem(e)},this.clear=function(t){if(s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(1,1,1,1);else{var i=e.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():e.canvas.backgroundColor;s.clearColor(i[0],i[1],i[2],1)}s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT)},this.needsRender=function(){return p||h||d},this.render=function(t){(t=t||{}).force&&(p=!0),B(),p&&(!function(t){var r=e.sao;g&&r.possible&&function(t){var r=e.sao,n=y.getRenderBuffer("saoDepth",{depthTexture:!0});n.bind(),n.clear(),function(e){i.reset(),i.pass=e.pass,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),!1!==e.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var t=0,r=A.length;t<r;t++){var n=A[t];!0!==n.culled&&!1!==n.visible&&n.drawDepth&&n.saoEnabled&&(n.renderFlags.colorOpaque&&n.drawDepth(i))}}(t),n.unbind();var o=y.getRenderBuffer("saoOcclusion");if(o.bind(),o.clear(),x.render(n),o.unbind(),r.blur){var a=y.getRenderBuffer("saoOcclusion2");a.bind(),a.clear(),w.render(n,o,0),a.unbind(),o.bind(),o.clear(),w.render(n,a,1),o.unbind()}}(t);(function(){for(var t=e._lightsState.lights,i=0,r=t.length;i<r;i++){var s=t[i];s.castsShadow&&P(s)}})(),function(t){var r=[],a=[],l=[],u=[],c=[],h=[],d=[],p=[],b=[],x=[],w=[],B=[],P=[],C=[],M=[],E=[],F=e._lightsState.getAmbientColorAndIntensity();if(i.reset(),i.pass=t.pass,i.withSAO=!1,i.pbrEnabled=m&&!!e.pbrEnabled,i.colorTextureEnabled=_&&!!e.colorTextureEnabled,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(0,0,0,0);else{var k=e.canvas.backgroundColorFromAmbientLight?F:e.canvas.backgroundColor;s.clearColor(k[0],k[1],k[2],1)}s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),s.lineWidth(1),i.lineWidth=1;var I,D,S=e.sao.possible;if(g&&S){var T=y.getRenderBuffer("saoOcclusion");i.occlusionTexture=T?T.getTexture():null}else i.occlusionTexture=null;var L=Date.now();!1!==t.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var R=0,U=0,O=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,Y=0,J=0,Z=0,q=0,$=A.length;q<$;q++)if(!0!==(D=A[q]).culled&&!1!==D.visible){var ee=D.renderFlags;ee.colorOpaque&&(g&&S&&D.saoEnabled?r[R++]=D:D.drawColorOpaque(i)),f&&ee.colorTransparent&&(l[O++]=D),ee.xrayedSilhouetteTransparent&&(d[H++]=D),ee.xrayedSilhouetteOpaque&&(c[Q++]=D),ee.highlightedSilhouetteTransparent&&(w[W++]=D),ee.highlightedSilhouetteOpaque&&(b[G++]=D),ee.selectedSilhouetteTransparent&&(M[J++]=D),ee.selectedSilhouetteOpaque&&(P[X++]=D),D.edges&&v&&(ee.edgesOpaque&&(a[U++]=D),ee.edgesTransparent&&(u[N++]=D),ee.selectedEdgesTransparent&&(E[Z++]=D),ee.selectedEdgesOpaque&&(C[Y++]=D),ee.xrayedEdgesTransparent&&(p[j++]=D),ee.xrayedEdgesOpaque&&(h[V++]=D),ee.highlightedEdgesTransparent&&(B[K++]=D),ee.highlightedEdgesOpaque&&(x[z++]=D))}if(R>0)for(i.withSAO=!0,I=0;I<R;I++)r[I].drawColorOpaque(i);if(U>0)for(I=0;I<U;I++)a[I].drawEdgesColorOpaque(i);if(Q>0)for(I=0;I<Q;I++)c[I].drawSilhouetteXRayed(i);if(V>0)for(I=0;I<V;I++)h[I].drawEdgesXRayed(i);if(H>0||j>0||O>0||N>0){if(s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):(s.blendEquation(s.FUNC_ADD),s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA)),i.backfaces=!1,o||s.depthMask(!1),(O>0||N>0)&&s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),N>0)for(I=0;I<N;I++)(D=u[I]).drawEdgesColorTransparent(i);if(O>0)for(I=0;I<O;I++)(D=l[I]).drawColorTransparent(i);if(j>0)for(I=0;I<j;I++)p[I].drawEdgesXRayed(i);if(H>0)for(I=0;I<H;I++)d[I].drawSilhouetteXRayed(i);s.disable(s.BLEND),o||s.depthMask(!0)}if(G>0||z>0){if(i.lastProgramId=null,e.highlightMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),z>0)for(I=0;I<z;I++)x[I].drawEdgesHighlighted(i);if(G>0)for(I=0;I<G;I++)b[I].drawSilhouetteHighlighted(i)}if(W>0||K>0||G>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),s.enable(s.CULL_FACE),K>0)for(I=0;I<K;I++)B[I].drawEdgesHighlighted(i);if(W>0)for(I=0;I<W;I++)w[I].drawSilhouetteHighlighted(i);s.disable(s.BLEND)}if(X>0||Y>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),Y>0)for(I=0;I<Y;I++)C[I].drawEdgesSelected(i);if(X>0)for(I=0;I<X;I++)P[I].drawSilhouetteSelected(i)}if(J>0||Z>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),Z>0)for(I=0;I<Z;I++)E[I].drawEdgesSelected(i);if(J>0)for(I=0;I<J;I++)M[I].drawSilhouetteSelected(i);s.disable(s.BLEND)}var te=Date.now(),ie=ae.frame;ie.renderTime=(te-L)/1e3,ie.drawElements=i.drawElements,ie.drawArrays=i.drawArrays,ie.useProgram=i.useProgram,ie.bindTexture=i.bindTexture,ie.bindArray=i.bindArray;for(var re=Lt.MAX_TEXTURE_IMAGE_UNITS,se=0;se<re;se++)s.activeTexture(s.TEXTURE0+se);s.bindTexture(s.TEXTURE_CUBE_MAP,null),s.bindTexture(s.TEXTURE_2D,null);for(var ne=Lt.MAX_VERTEX_ATTRIBS,oe=0;oe<ne;oe++)s.disableVertexAttribArray(oe)}(t)}(t),ae.frame.frameCount++,p=!1)},this.pick=function(){var t=re.vec3();re.mat4();var i=re.mat4(),s=re.vec3(),n=re.vec3([0,1,0]),o=new Ot,a=re.vec2(),u=re.vec3(),c=re.vec3(),A=re.vec3();return re.vec3(),re.vec3(),function(h){var d,p=arguments.length>1&&void 0!==arguments[1]?arguments[1]:o;p.reset(),B();var f=null,v=null,g=null;for(var m in p.pickSurface=h.pickSurface,h.canvasPos?(u[0]=h.canvasPos[0],u[1]=h.canvasPos[1],f=e.camera.viewMatrix,v=e.camera.projMatrix,g=e.camera.projection,p.canvasPos=h.canvasPos):(h.matrix?(f=h.matrix,v=e.camera.projMatrix,g=e.camera.projection):(c.set(h.origin||[0,0,0]),A.set(h.direction||[0,0,1]),d=re.addVec3(c,A,t),s[0]=Math.random(),s[1]=Math.random(),s[2]=Math.random(),re.normalizeVec3(s),re.cross3Vec3(A,s,n),f=re.lookAtMat4v(c,d,n,i),v=e.camera.ortho.matrix,g="ortho",p.origin=c,p.direction=A),u[0]=.5*r.clientWidth,u[1]=.5*r.clientHeight),l)if(l.hasOwnProperty(m))for(var _=l[m].drawableList,b=0,x=_.length;b<x;b++){var w=_[b];w.setPickMatrices&&w.setPickMatrices(f,v)}var P=y.getRenderBuffer("pick",{size:[1,1]});P.bind();var E=C(P,u,f,v,h,p);if(!E)return P.unbind(),null;var k=E.delegatePickedEntity?E.delegatePickedEntity():E;return k?(h.pickSurface&&(E.canPickTriangle&&E.canPickTriangle()?(M(P,E,u,f,v,p),E.pickTriangleSurface(f,v,g,p),p.pickSurfacePrecision=!1):E.canPickWorldPos&&E.canPickWorldPos()&&(a[0]=e.camera.project.near,a[1]=e.camera.project.far,F(P,E,u,f,v,a,p),!1!==h.pickSurfaceNormal&&T(P,E,u,f,v,p),p.pickSurfacePrecision=!1)),P.unbind(),p.entity=k,p):(P.unbind(),null)}}();var E,F=function(){var t=re.vec4(),n=re.vec4(),o=re.vec4(),a=re.vec4(),l=re.vec4(),u=re.mat4(),c=re.mat4(),A=re.mat4();return function(h,d,p,f,v,g,m){var _=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=m.origin,i.pickViewMatrix=f,i.pickProjMatrix=v,i.pickZNear=g[0],i.pickZFar=g[1],i.pickElementsCount=d.pickElementsCount,i.pickElementsOffset=d.pickElementsOffset,i.pickClipPos=[D(p[0]*_,s.drawingBufferWidth),S(p[1]*_,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),d.drawPickDepths(i);var y,b=function(e){var t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return re.dotVec4(t,i)}(h.read(0,0)),x=(p[0]-r.clientWidth/2)/(r.clientWidth/2),w=-(p[1]-r.clientHeight/2)/(r.clientHeight/2),B=d.origin;if(B){var P=He(f,B,u);y=re.mulMat4(v,P,c)}else y=re.mulMat4(v,f,c);var C=re.inverseMat4(y,A);t[0]=x,t[1]=w,t[2]=-1,t[3]=1;var M=re.transformVec4(C,t);M=re.mulVec4Scalar(M,1/M[3]),n[0]=x,n[1]=w,n[2]=1,n[3]=1;var E=re.transformVec4(C,n);E=re.mulVec4Scalar(E,1/E[3]);var F=re.subVec3(E,M,o),k=re.addVec3(M,re.mulVec4Scalar(F,b,a),l);B&&re.addVec3(k,B),m.worldPos=k}}();function k(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(var t=0,i=A.length;t<i;t++){var r=A[t];r.drawSnapInit&&!r.culled&&r.visible&&r.pickable&&r.drawSnapInit(e)}return e.snapPickLayerParams}function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(var t=0,i=A.length;t<i;t++){var r=A[t];r.drawSnapInit&&r.drawSnap&&!r.culled&&r.visible&&r.pickable&&r.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}function T(t,r,n,o,a,l){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)];var c=y.getRenderBuffer("pick-normal",{size:[3,3]});c.bind(s.RGBA32I),s.viewport(0,0,c.size[0],c.size[1]),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),r.drawPickNormals(i);var A=c.read(1,1,s.RGBA_INTEGER,s.INT,Int32Array,4);c.unbind();var h=[A[0]/re.MAX_INT,A[1]/re.MAX_INT,A[2]/re.MAX_INT];re.normalizeVec3(h),l.worldNormal=h}this.snapPick=(E=new Ot,function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:E,n=t.canvasPos,o=t.origin,u=t.direction,c=t.snapRadius,A=t.snapToVertex,h=t.snapToEdge;if(!A&&!h)return this.pick({canvasPos:n,pickSurface:!0});var d=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickZNear=e.camera.project.near,i.pickZFar=e.camera.project.far;var p=c||30,f=y.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*p+1,2*p+1]});i.snapVectorA=[n?D(n[0]*d,s.drawingBufferWidth):0,n?S(n[1]*d,s.drawingBufferHeight):0],i.snapInvVectorAB=[s.drawingBufferWidth/(2*p),s.drawingBufferHeight/(2*p)],f.bind(s.RGBA32I,s.RGBA32I,s.RGBA8UI),s.viewport(0,0,f.size[0],f.size[1]),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.disable(s.CULL_FACE),s.depthMask(!0),s.disable(s.BLEND),s.depthFunc(s.LEQUAL),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),s.clearBufferiv(s.COLOR,1,new Int32Array([0,0,0,0])),s.clearBufferuiv(s.COLOR,2,new Uint32Array([0,0,0,0])),i.pickViewMatrix=n?e.camera.viewMatrix:re.lookAtMat4v(o,re.addVec3(o,u,re.vec3()),re.vec3([0,1,0]),re.mat4());var v=e.camera.projMatrix;for(var g in l)if(l.hasOwnProperty(g))for(var m=l[g].drawableList,_=0,b=m.length;_<b;_++){var x=m[_];x.setPickMatrices&&x.setPickMatrices(i.pickViewMatrix,v)}s.drawBuffers([s.COLOR_ATTACHMENT0,s.COLOR_ATTACHMENT1,s.COLOR_ATTACHMENT2]);var w=k(i),B=[];i.snapPickLayerParams=B,s.depthMask(!1),s.drawBuffers([s.COLOR_ATTACHMENT0]),A&&h?(i.snapMode="edge",I(i),i.snapMode="vertex",i.snapPickLayerNumber++,I(i)):(i.snapMode=A?"vertex":"edge",I(i)),s.depthMask(!0);var P=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4),C=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4,1),M=f.readArray(s.RGBA_INTEGER,s.UNSIGNED_INT,Uint32Array,4,2);f.unbind();var F=null,T=null,L=null,R=p,U=p,O=4*R+U*f.size[0]*4,N=P.slice(O,O+4),Q=C.slice(O,O+4),V=M.slice(O,O+4);if(0!==N[3]){var H=w[Math.abs(N[3])%w.length],j=H.origin,G=H.coordinateScale;F=[N[0]*G[0]+j[0],N[1]*G[1]+j[1],N[2]*G[2]+j[2]],T=re.normalizeVec3([Q[0]/re.MAX_INT,Q[1]/re.MAX_INT,Q[2]/re.MAX_INT]);var z=V[0]+(V[1]<<8)+(V[2]<<16)+(V[3]<<24);L=a.items[z]}for(var W=[],K=0;K<P.length;K+=4)if(P[K+3]>0){var X=Math.floor(K/4),Y=f.size[0],J=X%Y-Math.floor(Y/2),Z=Math.floor(X/Y)-Math.floor(Y/2),q=Math.sqrt(Math.pow(J,2)+Math.pow(Z,2));W.push({x:J,y:Z,dist:q,isVertex:A&&h?P[K+3]>B.length/2:A,result:[P[K+0],P[K+1],P[K+2],P[K+3]],normal:[C[K+0],C[K+1],C[K+2],C[K+3]],id:[M[K+0],M[K+1],M[K+2],M[K+3]]})}var $=null,ee=null,te=null,ie=null;if(W.length>0){W.sort((function(e,t){return e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist})),ie=W[0].isVertex?"vertex":"edge";var se=W[0].result,ne=W[0].normal,oe=W[0].id,ae=B[se[3]],le=ae.origin,ue=ae.coordinateScale;ee=re.normalizeVec3([ne[0]/re.MAX_INT,ne[1]/re.MAX_INT,ne[2]/re.MAX_INT]),$=[se[0]*ue[0]+le[0],se[1]*ue[1]+le[1],se[2]*ue[2]+le[2]],te=a.items[oe[0]+(oe[1]<<8)+(oe[2]<<16)+(oe[3]<<24)]}if(null===F&&null==$)return null;var ce=null;null!==$&&(ce=e.camera.projectWorldPos($));var Ae=te&&te.delegatePickedEntity?te.delegatePickedEntity():te;return!Ae&&L&&(L=L.delegatePickedEntity?L.delegatePickedEntity():L),r.reset(),r.snappedToEdge="edge"===ie,r.snappedToVertex="vertex"===ie,r.worldPos=$||F,r.worldNormal=ee||T,r.entity=Ae||L,r.canvasPos=n||e.camera.projectWorldPos(F||$),r.snappedCanvasPos=ce||n,r}),this.addMarker=function(t){this._occlusionTester=this._occlusionTester||new Jt(e,y),this._occlusionTester.addMarker(t),e.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){B(),this._occlusionTester.bindRenderBuf(),i.reset(),i.backfaces=!0,i.frontface=!0,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var e=0,t=A.length;e<t;e++){var r=A[e];r.drawOcclusion&&!0!==r.culled&&!1!==r.visible&&!1!==r.pickable&&r.drawOcclusion(i)}this._occlusionTester.drawMarkers(i),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,r){var s,n,o,a,l=y.getRenderBuffer("snapshot");for(l.bind(),l.clear(),this.render({force:!0,opaqueOnly:r}),n=0;n<i;n++)o=2*n,a=4*n,s=l.read(e[o],e[o+1]),t[a]=s[0],t[a+1]=s[1],t[a+2]=s[2],t[a+3]=s[3];l.unbind(),p=!0},this.beginSnapshot=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=y.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),b=!0},this.renderSnapshot=function(){b&&(y.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),p=!0)},this.readSnapshot=function(e){return y.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return y.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){b&&(y.getRenderBuffer("snapshot").unbind(),b=!1)},this.destroy=function(){l={},u={},y.destroy(),x.destroy(),w.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}},ci=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).KEY_BACKSPACE=8,r.KEY_TAB=9,r.KEY_ENTER=13,r.KEY_SHIFT=16,r.KEY_CTRL=17,r.KEY_ALT=18,r.KEY_PAUSE_BREAK=19,r.KEY_CAPS_LOCK=20,r.KEY_ESCAPE=27,r.KEY_PAGE_UP=33,r.KEY_PAGE_DOWN=34,r.KEY_END=35,r.KEY_HOME=36,r.KEY_LEFT_ARROW=37,r.KEY_UP_ARROW=38,r.KEY_RIGHT_ARROW=39,r.KEY_DOWN_ARROW=40,r.KEY_INSERT=45,r.KEY_DELETE=46,r.KEY_NUM_0=48,r.KEY_NUM_1=49,r.KEY_NUM_2=50,r.KEY_NUM_3=51,r.KEY_NUM_4=52,r.KEY_NUM_5=53,r.KEY_NUM_6=54,r.KEY_NUM_7=55,r.KEY_NUM_8=56,r.KEY_NUM_9=57,r.KEY_A=65,r.KEY_B=66,r.KEY_C=67,r.KEY_D=68,r.KEY_E=69,r.KEY_F=70,r.KEY_G=71,r.KEY_H=72,r.KEY_I=73,r.KEY_J=74,r.KEY_K=75,r.KEY_L=76,r.KEY_M=77,r.KEY_N=78,r.KEY_O=79,r.KEY_P=80,r.KEY_Q=81,r.KEY_R=82,r.KEY_S=83,r.KEY_T=84,r.KEY_U=85,r.KEY_V=86,r.KEY_W=87,r.KEY_X=88,r.KEY_Y=89,r.KEY_Z=90,r.KEY_LEFT_WINDOW=91,r.KEY_RIGHT_WINDOW=92,r.KEY_SELECT_KEY=93,r.KEY_NUMPAD_0=96,r.KEY_NUMPAD_1=97,r.KEY_NUMPAD_2=98,r.KEY_NUMPAD_3=99,r.KEY_NUMPAD_4=100,r.KEY_NUMPAD_5=101,r.KEY_NUMPAD_6=102,r.KEY_NUMPAD_7=103,r.KEY_NUMPAD_8=104,r.KEY_NUMPAD_9=105,r.KEY_MULTIPLY=106,r.KEY_ADD=107,r.KEY_SUBTRACT=109,r.KEY_DECIMAL_POINT=110,r.KEY_DIVIDE=111,r.KEY_F1=112,r.KEY_F2=113,r.KEY_F3=114,r.KEY_F4=115,r.KEY_F5=116,r.KEY_F6=117,r.KEY_F7=118,r.KEY_F8=119,r.KEY_F9=120,r.KEY_F10=121,r.KEY_F11=122,r.KEY_F12=123,r.KEY_NUM_LOCK=144,r.KEY_SCROLL_LOCK=145,r.KEY_SEMI_COLON=186,r.KEY_EQUAL_SIGN=187,r.KEY_COMMA=188,r.KEY_DASH=189,r.KEY_PERIOD=190,r.KEY_FORWARD_SLASH=191,r.KEY_GRAVE_ACCENT=192,r.KEY_OPEN_BRACKET=219,r.KEY_BACK_SLASH=220,r.KEY_CLOSE_BRACKET=221,r.KEY_SINGLE_QUOTE=222,r.KEY_SPACE=32,r.MOUSE_LEFT_BUTTON=260,r.MOUSE_MIDDLE_BUTTON=261,r.MOUSE_RIGHT_BUTTON=262,r.element=s.element,r.altDown=!1,r.ctrlDown=!1,r.mouseDownLeft=!1,r.mouseDownMiddle=!1,r.mouseDownRight=!1,r.keyDown=[],r.enabled=!0,r.keyboardEnabled=!0,r.mouseover=!1,r.mouseCanvasPos=re.vec2(),r._keyboardEventsElement=s.keyboardEventsElement||document,r._bindEvents(),r}return C(i,[{key:"_bindEvents",value:function(){var e=this;if(!this._eventsBound){this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!0:t.keyCode===e.KEY_ALT?e.altDown=!0:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!0),e.keyDown[t.keyCode]=!0,e.fire("keydown",t.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!1:t.keyCode===e.KEY_ALT?e.altDown=!1:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!1),e.keyDown[t.keyCode]=!1,e.fire("keyup",t.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=function(t){e.enabled&&(e.mouseover=!0,e._getMouseCanvasPos(t),e.fire("mouseenter",e.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=function(t){e.enabled&&(e.mouseover=!1,e._getMouseCanvasPos(t),e.fire("mouseleave",e.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!0;break;case 2:e.mouseDownMiddle=!0;break;case 3:e.mouseDownRight=!0}e._getMouseCanvasPos(t),e.element.focus(),e.fire("mousedown",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!1;break;case 2:e.mouseDownMiddle=!1;break;case 3:e.mouseDownRight=!1}e.fire("mouseup",e.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("click",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("dblclick",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}});var t=this.scene.tickify((function(){return e.fire("mousemove",e.mouseCanvasPos,!0)}));this.element.addEventListener("mousemove",this._mouseMoveListener=function(i){e.enabled&&(e._getMouseCanvasPos(i),t(),e.mouseover&&i.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=function(t){e.enabled&&(e._getMouseCanvasPos(t),e.fire("contextmenu",e.mouseCanvasPos,!0))});var i=this.scene.tickify((function(t){e.fire("mousewheel",t,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=function(t,r){if(e.enabled){var s=Math.max(-1,Math.min(1,40*-t.deltaY));i(s)}},{passive:!0});var r,s;this.on("mousedown",(function(e){r=e[0],s=e[1]})),this.on("mouseup",(function(t){r>=t[0]-2&&r<=t[0]+2&&s>=t[1]-2&&s<=t[1]+2&&e.fire("mouseclicked",t,!0)})),this.element.addEventListener("touchstart",this._touchstartListener=function(t){e.enabled&&h(t.changedTouches).forEach((function(t){e.fire("touchstart",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=function(t){e.enabled&&h(t.changedTouches).forEach((function(t){e.fire("touchend",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this._eventsBound=!0}}},{key:"_unbindEvents",value:function(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}},{key:"_getTouchCanvasPos",value:function(e){for(var t=e.target,i=0,r=0;t.offsetParent;)i+=t.offsetLeft,r+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-r]}},{key:"_getMouseCanvasPos",value:function(e){if(e){var t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}},{key:"setEnabled",value:function(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}},{key:"getEnabled",value:function(){return this.enabled}},{key:"setKeyboardEnabled",value:function(e){this.keyboardEnabled=e}},{key:"getKeyboardEnabled",value:function(){return this.keyboardEnabled}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._unbindEvents()}}]),i}(),Ai=new G({}),hi=function(){function e(t){for(var i in B(this,e),this.id=Ai.addItem({}),t)t.hasOwnProperty(i)&&(this[i]=t[i])}return C(e,[{key:"destroy",value:function(){Ai.removeItem(this.id)}}]),e}(),di=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({boundary:[0,0,100,100]}),r.boundary=s.boundary,r.autoBoundary=s.autoBoundary,r}return C(i,[{key:"type",get:function(){return"Viewport"}},{key:"boundary",get:function(){return this._state.boundary},set:function(e){if(!this._autoBoundary){if(!e){var t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}},{key:"autoBoundary",get:function(){return this._autoBoundary},set:function(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){var t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),pi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new hi({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r._fov=60,r._canvasResized=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r.fov=s.fov,r.fovAxis=s.fovAxis,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Perspective"}},{key:"_update",value:function(){var e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis,r=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(r/=t),r=Math.min(r,120),re.perspectiveMat4(r*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}},{key:"fov",get:function(){return this._fov},set:function(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}},{key:"fovAxis",get:function(){return this._fovAxis},set:function(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}]),i}(),fi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new hi({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.scale=s.scale,r.near=s.near,r.far=s.far,r._onCanvasBoundary=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r}return C(i,[{key:"type",get:function(){return"Ortho"}},{key:"_update",value:function(){var e,t,i,r,s=this.scene,n=.5*this._scale,o=s.canvas.boundary,a=o[2],l=o[3],u=a/l;a>l?(e=-n,t=n,i=n/u,r=-n/u):(e=-n*u,t=n*u,i=n,r=-n),re.orthoMat4c(e,t,r,i,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}]),i}(),vi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new hi({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._left=-1,r._right=1,r._bottom=-1,r._top=1,r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.left=s.left,r.right=s.right,r.bottom=s.bottom,r.top=s.top,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Frustum"}},{key:"_update",value:function(){re.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"left",get:function(){return this._left},set:function(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}},{key:"right",get:function(){return this._right},set:function(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}},{key:"top",get:function(){return this._top},set:function(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}},{key:"bottom",get:function(){return this._bottom},set:function(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}},{key:"near",get:function(){return this._state.near},set:function(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}},{key:"far",get:function(){return this._state.far},set:function(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),gi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new hi({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4()}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!1,r.matrix=s.matrix,r}return C(i,[{key:"type",get:function(){return"CustomProjection"}},{key:"matrix",get:function(){return this._state.matrix},set:function(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),mi=re.vec3(),_i=re.vec3(),yi=re.vec3(),bi=re.vec3(),xi=re.vec3(),wi=re.vec3(),Bi=re.vec4(),Pi=re.vec4(),Ci=re.vec4(),Mi=re.mat4(),Ei=re.mat4(),Fi=re.vec3(),ki=re.vec3(),Ii=re.vec3(),Di=re.vec3(),Si=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({deviceMatrix:re.mat4(),hasDeviceMatrix:!1,matrix:re.mat4(),normalMatrix:re.mat4(),inverseMatrix:re.mat4()}),r._perspective=new pi(b(r)),r._ortho=new fi(b(r)),r._frustum=new vi(b(r)),r._customProjection=new gi(b(r)),r._project=r._perspective,r._eye=re.vec3([0,0,10]),r._look=re.vec3([0,0,0]),r._up=re.vec3([0,1,0]),r._worldUp=re.vec3([0,1,0]),r._worldRight=re.vec3([1,0,0]),r._worldForward=re.vec3([0,0,-1]),r.deviceMatrix=s.deviceMatrix,r.eye=s.eye,r.look=s.look,r.up=s.up,r.worldAxis=s.worldAxis,r.gimbalLock=s.gimbalLock,r.constrainPitch=s.constrainPitch,r.projection=s.projection,r._perspective.on("matrix",(function(){"perspective"===r._projectionType&&r.fire("projMatrix",r._perspective.matrix)})),r._ortho.on("matrix",(function(){"ortho"===r._projectionType&&r.fire("projMatrix",r._ortho.matrix)})),r._frustum.on("matrix",(function(){"frustum"===r._projectionType&&r.fire("projMatrix",r._frustum.matrix)})),r._customProjection.on("matrix",(function(){"customProjection"===r._projectionType&&r.fire("projMatrix",r._customProjection.matrix)})),r}return C(i,[{key:"type",get:function(){return"Camera"}},{key:"_update",value:function(){var e,t=this._state;"ortho"===this.projection?(re.subVec3(this._eye,this._look,Fi),re.normalizeVec3(Fi,ki),re.mulVec3Scalar(ki,1e3,Ii),re.addVec3(this._look,Ii,Di),e=Di):e=this._eye,t.hasDeviceMatrix?(re.lookAtMat4v(e,this._look,this._up,Ei),re.mulMat4(t.deviceMatrix,Ei,t.matrix)):re.lookAtMat4v(e,this._look,this._up,t.matrix),re.inverseMat4(this._state.matrix,this._state.inverseMatrix),re.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}},{key:"orbitYaw",value:function(e){var t=re.subVec3(this._eye,this._look,mi);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Mi),t=re.transformPoint3(Mi,t,_i),this.eye=re.addVec3(this._look,t,yi),this.up=re.transformPoint3(Mi,this._up,bi)}},{key:"orbitPitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._eye,this._look,mi),i=re.cross3Vec3(re.normalizeVec3(t,_i),re.normalizeVec3(this._up,yi));re.rotationMat4v(.0174532925*e,i,Mi),t=re.transformPoint3(Mi,t,bi),this.up=re.transformPoint3(Mi,this._up,xi),this.eye=re.addVec3(t,this._look,wi)}}},{key:"yaw",value:function(e){var t=re.subVec3(this._look,this._eye,mi);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Mi),t=re.transformPoint3(Mi,t,_i),this.look=re.addVec3(t,this._eye,yi),this._gimbalLock&&(this.up=re.transformPoint3(Mi,this._up,bi))}},{key:"pitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._look,this._eye,mi),i=re.cross3Vec3(re.normalizeVec3(t,_i),re.normalizeVec3(this._up,yi));re.rotationMat4v(.0174532925*e,i,Mi),this.up=re.transformPoint3(Mi,this._up,wi),t=re.transformPoint3(Mi,t,bi),this.look=re.addVec3(t,this._eye,xi)}}},{key:"pan",value:function(e){var t,i=re.subVec3(this._eye,this._look,mi),r=[0,0,0];if(0!==e[0]){var s=re.cross3Vec3(re.normalizeVec3(i,[]),re.normalizeVec3(this._up,_i));t=re.mulVec3Scalar(s,e[0]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]}0!==e[1]&&(t=re.mulVec3Scalar(re.normalizeVec3(this._up,yi),e[1]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),0!==e[2]&&(t=re.mulVec3Scalar(re.normalizeVec3(i,bi),e[2]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),this.eye=re.addVec3(this._eye,r,xi),this.look=re.addVec3(this._look,r,wi)}},{key:"zoom",value:function(e){var t=re.subVec3(this._eye,this._look,mi),i=Math.abs(re.lenVec3(t,_i)),r=Math.abs(i+e);if(!(r<.5)){var s=re.normalizeVec3(t,yi);this.eye=re.addVec3(this._look,re.mulVec3Scalar(s,r),bi)}}},{key:"eye",get:function(){return this._eye},set:function(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}},{key:"look",get:function(){return this._look},set:function(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}},{key:"up",get:function(){return this._up},set:function(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}},{key:"deviceMatrix",get:function(){return this._state.deviceMatrix},set:function(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}},{key:"worldAxis",get:function(){return this._worldAxis},set:function(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=re.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}},{key:"worldUp",get:function(){return this._worldUp}},{key:"xUp",get:function(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}},{key:"yUp",get:function(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}},{key:"zUp",get:function(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}},{key:"worldRight",get:function(){return this._worldRight}},{key:"worldForward",get:function(){return this._worldForward}},{key:"gimbalLock",get:function(){return this._gimbalLock},set:function(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}},{key:"constrainPitch",set:function(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}},{key:"eyeLookDist",get:function(){return re.lenVec3(re.subVec3(this._look,this._eye,mi))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"viewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"normalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"viewNormalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"inverseViewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}},{key:"projMatrix",get:function(){return this[this.projection].matrix}},{key:"perspective",get:function(){return this._perspective}},{key:"ortho",get:function(){return this._ortho}},{key:"frustum",get:function(){return this._frustum}},{key:"customProjection",get:function(){return this._customProjection}},{key:"projection",get:function(){return this._projectionType},set:function(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}},{key:"project",get:function(){return this._project}},{key:"projectWorldPos",value:function(e){var t=Bi,i=Pi,r=Ci;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,re.mulMat4v4(this.viewMatrix,t,i),re.mulMat4v4(this.projMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1;var s=this.scene.canvas.canvas,n=s.offsetWidth/2,o=s.offsetHeight/2;return[r[0]*n+n,r[1]*o+o]}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Ti=function(e){g(i,Ce);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r)}return C(i,[{key:"type",get:function(){return"Light"}},{key:"isLight",get:function(){return!0}}]),i}(),Li=function(e){g(i,Ti);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var n=r.scene.camera,o=r.scene.canvas;return r._onCameraViewMatrix=n.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=n.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=o.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new hi({type:"dir",dir:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(r._shadowViewMatrixDirty){r._shadowViewMatrix||(r._shadowViewMatrix=re.identityMat4());var e=r.scene.camera,t=r._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]];re.lookAtMat4v(s,i,[0,1,0],r._shadowViewMatrix),r._shadowViewMatrixDirty=!1}return r._shadowViewMatrix},getShadowProjMatrix:function(){return r._shadowProjMatrixDirty&&(r._shadowProjMatrix||(r._shadowProjMatrix=re.identityMat4()),re.orthoMat4c(-40,40,-40,40,-40,80,r._shadowProjMatrix),r._shadowProjMatrixDirty=!1),r._shadowProjMatrix},getShadowRenderBuf:function(){return r._shadowRenderBuf||(r._shadowRenderBuf=new oi(r.scene.canvas.canvas,r.scene.canvas.gl,{size:[1024,1024]})),r._shadowRenderBuf}}),r.dir=s.dir,r.color=s.color,r.intensity=s.intensity,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"DirLight"}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}(),Ri=function(e){g(i,Ti);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state={type:"ambient",color:re.vec3([.7,.7,.7]),intensity:1},r.color=s.color,r.intensity=s.intensity,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"AmbientLight"}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lightDestroyed(this)}}]),i}(),Ui=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),r=t.call(this,e,s),ae.memory.meshes++,r}return C(i,[{key:"type",get:function(){return"Geometry"}},{key:"isGeometry",get:function(){return!0}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),ae.memory.meshes--}}]),i}(),Oi=function(){var e=[],t=[],i=[],r=[],s=[],n=0,o=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),u=re.vec3(),c=re.vec3(),A=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3();return function(v,g,m,_){!function(s,n){var o,a,l,u,c,A,h={},d=Math.pow(10,4),p=0;for(c=0,A=s.length;c<A;c+=3)o=s[c],a=s[c+1],l=s[c+2],void 0===h[u=Math.round(o*d)+"_"+Math.round(a*d)+"_"+Math.round(l*d)]&&(h[u]=p/3,e[p++]=o,e[p++]=a,e[p++]=l),t[c/3]=h[u];for(c=0,A=n.length;c<A;c++)r[c]=t[n[c]],i[r[c]]=n[c]}(v,g),function(t,i){n=0;for(var v=0,g=t;v<g;v+=3){var m=3*r[v],_=3*r[v+1],y=3*r[v+2];i?(o[0]=e[m],o[1]=e[m+1],o[2]=e[m+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[y],l[1]=e[y+1],l[2]=e[y+2],re.decompressPosition(o,i,u),re.decompressPosition(a,i,c),re.decompressPosition(l,i,A)):(u[0]=e[m],u[1]=e[m+1],u[2]=e[m+2],c[0]=e[_],c[1]=e[_+1],c[2]=e[_+2],A[0]=e[y],A[1]=e[y+1],A[2]=e[y+2]),re.subVec3(A,c,h),re.subVec3(u,c,d),re.cross3Vec3(h,d,p),re.normalizeVec3(p,f);var b=s[n]||(s[n]={normal:re.vec3()});b.normal[0]=f[0],b.normal[1]=f[1],b.normal[2]=f[2],n++}}(g.length,m);for(var y,b,x,w,B,P,C,M,E,F,k=[],I=Math.cos(re.DEGTORAD*_),D={},S=!1,T=0,L=g.length;T<L;T+=3)for(var R=T/3,U=0;U<3;U++)y=r[T+U],b=r[T+(U+1)%3],void 0===D[B=(x=Math.min(y,b))+","+(w=Math.max(y,b))]?D[B]={index1:x,index2:w,face1:R,face2:void 0}:D[B].face2=R;for(B in D)void 0!==(P=D[B]).face2&&(C=s[P.face1].normal,M=s[P.face2].normal,re.dotVec3(C,M)>I)||(E=i[P.index1],F=i[P.index2],(!S&&E>65535||F>65535)&&(S=!0),k.push(E),k.push(F));return S?new Uint32Array(k):new Uint16Array(k)}}();var Ni=function(){var e=re.mat4(),t=re.mat4();return function(i,r){r=r||re.mat4();var s=i[0],n=i[1],o=i[2],a=i[3]-s,l=i[4]-n,u=i[5]-o,c=65535;return re.identityMat4(e),re.translationMat4v(i,e),re.identityMat4(t),re.scalingMat4v([a/c,l/c,u/c],t),re.mulMat4(e,t,r),r}}(),Qi=function(){var e=re.mat4(),t=re.mat4();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([s[0]!==r[0]?65535/(s[0]-r[0]):0,s[1]!==r[1]?65535/(s[1]-r[1]):0,s[2]!==r[2]?65535/(s[2]-r[2]):0]);for(n=0;n<i.length;n+=3)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1]))),o[n+2]=Math.max(0,Math.min(65535,Math.floor((i[n+2]-r[2])*a[2])));return re.identityMat4(e),re.translationMat4v(r,e),re.identityMat4(t),re.scalingMat4v([(s[0]-r[0])/65535,(s[1]-r[1])/65535,(s[2]-r[2])/65535],t),{quantized:o,decodeMatrix:re.mulMat4(e,t,re.identityMat4())}}}();var Vi=function(){var e=re.mat3(),t=re.mat3();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([65535/(s[0]-r[0]),65535/(s[1]-r[1])]);for(n=0;n<i.length;n+=2)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1])));return re.identityMat3(e),re.translationMat3v(r,e),re.identityMat3(t),re.scalingMat3v([(s[0]-r[0])/65535,(s[1]-r[1])/65535],t),{quantized:o,decodeMatrix:re.mulMat3(e,t,re.identityMat3())}}}();function Hi(e,t,i,r){var s=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),n=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){var o=(1-Math.abs(n))*(s>=0?1:-1),a=(1-Math.abs(s))*(n>=0?1:-1);s=o,n=a}return new Int8Array([Math[i](127.5*s+(s<0?-1:0)),Math[r](127.5*n+(n<0?-1:0))])}function ji(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}function Gi(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}var zi={getPositionsBounds:function(e){var t,i,r=new Float32Array(3),s=new Float32Array(3);for(t=0;t<3;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=3)for(i=0;i<3;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},createPositionsDecodeMatrix:Ni,compressPositions:Qi,compressPosition:function(e,t,i){var r=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*r[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*r[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*r[2])))},decompressPositions:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[12],i[r+1]=e[r+1]*t[5]+t[13],i[r+2]=e[r+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:e;return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){var t,i,r=new Float32Array(2),s=new Float32Array(2);for(t=0;t<2;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=2)for(i=0;i<2;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},compressUVs:Vi,decompressUVs:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[6],i[r+1]=e[r+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){for(var t,i,r,s,n=new Int8Array(e.length),o=0;o<e.length;o+=3)i=t=Hi(e,o,"floor","floor"),r=s=Gi(e,o,ji(t)),(r=Gi(e,o,ji(t=Hi(e,o,"ceil","floor"))))>s&&(i=t,s=r),(r=Gi(e,o,ji(t=Hi(e,o,"floor","ceil"))))>s&&(i=t,s=r),(r=Gi(e,o,ji(t=Hi(e,o,"ceil","ceil"))))>s&&(i=t,s=r),n[o]=i[0],n[o+1]=i[1];return n},decompressNormals:function(e,t){for(var i=0,r=0,s=e.length;i<s;i+=2){var n=e[i+0],o=e[i+1];n=(2*n+1)/255,o=(2*o+1)/255;var a=1-Math.abs(n)-Math.abs(o);a<0&&(n=(1-Math.abs(o))*(n>=0?1:-1),o=(1-Math.abs(n))*(o>=0?1:-1));var l=Math.sqrt(n*n+o*o+a*a);t[r+0]=n/l,t[r+1]=o/l,t[r+2]=a/l,r+=3}return t},decompressNormal:function(e,t){var i=e[0],r=e[1];i=(2*i+1)/255,r=(2*r+1)/255;var s=1-Math.abs(i)-Math.abs(r);s<0&&(i=(1-Math.abs(r))*(i>=0?1:-1),r=(1-Math.abs(i))*(r>=0?1:-1));var n=Math.sqrt(i*i+r*r+s*s);return t[0]=i/n,t[1]=r/n,t[2]=s/n,t}},Wi=ae.memory,Ki=re.AABB3(),Xi=function(e){g(i,Ui);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._state=new hi({compressGeometry:!!s.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._edgeIndicesBuf=null,r._pickTrianglePositionsBuf=null,r._pickTriangleColorsBuf=null,r._aabbDirty=!0,r._boundingSphere=!0,r._aabb=null,r._aabbDirty=!0,r._obb=null,r._obbDirty=!0;var n=r._state,o=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":n.primitive=o.POINTS,n.primitiveName=s.primitive;break;case"lines":n.primitive=o.LINES,n.primitiveName=s.primitive;break;case"line-loop":n.primitive=o.LINE_LOOP,n.primitiveName=s.primitive;break;case"line-strip":n.primitive=o.LINE_STRIP,n.primitiveName=s.primitive;break;case"triangles":n.primitive=o.TRIANGLES,n.primitiveName=s.primitive;break;case"triangle-strip":n.primitive=o.TRIANGLE_STRIP,n.primitiveName=s.primitive;break;case"triangle-fan":n.primitive=o.TRIANGLE_FAN,n.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),n.primitive=o.TRIANGLES,n.primitiveName=s.primitive}if(s.positions)if(r._state.compressGeometry){var a=zi.getPositionsBounds(s.positions),l=zi.compressPositions(s.positions,a.min,a.max);n.positions=l.quantized,n.positionsDecodeMatrix=l.decodeMatrix}else n.positions=s.positions.constructor===Float32Array?s.positions:new Float32Array(s.positions);if(s.colors&&(n.colors=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors)),s.uv)if(r._state.compressGeometry){var u=zi.getUVBounds(s.uv),c=zi.compressUVs(s.uv,u.min,u.max);n.uv=c.quantized,n.uvDecodeMatrix=c.decodeMatrix}else n.uv=s.uv.constructor===Float32Array?s.uv:new Float32Array(s.uv);return s.normals&&(r._state.compressGeometry?n.normals=zi.compressNormals(s.normals):n.normals=s.normals.constructor===Float32Array?s.normals:new Float32Array(s.normals)),s.indices&&(n.indices=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3)),r._buildHash(),Wi.meshes++,r._buildVBOs(),r}return C(i,[{key:"type",get:function(){return"ReadableGeometry"}},{key:"isReadableGeometry",get:function(){return!0}},{key:"_buildVBOs",value:function(){var e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),Wi.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new Wt(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),Wi.positions+=e.positionsBuf.numItems),e.normals){var i=e.compressGeometry;e.normalsBuf=new Wt(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),Wi.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new Wt(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),Wi.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new Wt(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),Wi.uvs+=e.uvBuf.numItems)}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}},{key:"_getPickTrianglePositions",value:function(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}},{key:"_getPickTriangleColors",value:function(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}},{key:"_buildEdgeIndices",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=Oi(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),Wi.indices+=this._edgeIndicesBuf.numItems}}},{key:"_buildPickTriangleVBOs",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=re.buildPickTriangles(e.positions,e.indices,e.compressGeometry),r=i.positions,s=i.colors;this._pickTrianglePositionsBuf=new Wt(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new Wt(t,t.ARRAY_BUFFER,s,s.length,4,t.STATIC_DRAW,!0),Wi.positions+=this._pickTrianglePositionsBuf.numItems,Wi.colors+=this._pickTriangleColorsBuf.numItems}}},{key:"_buildPickVertexVBOs",value:function(){}},{key:"_webglContextLost",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}},{key:"_webglContextRestored",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"compressGeometry",get:function(){return this._state.compressGeometry}},{key:"positions",get:function(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),zi.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null},set:function(e){var t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){var r=zi.getPositionsBounds(e),s=zi.compressPositions(e,r.min,r.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}},{key:"normals",get:function(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){var e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),zi.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry normals - quantized geometry is immutable");else{var t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}}},{key:"uv",get:function(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),zi.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry UVs - quantized geometry is immutable");else{var t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}}},{key:"colors",get:function(){return this._state.colors},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry colors - quantized geometry is immutable");else{var t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}}},{key:"indices",get:function(){return this._state.indices}},{key:"aabb",get:function(){return this._aabbDirty&&(this._aabb||(this._aabb=re.AABB3()),re.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}},{key:"obb",get:function(){return this._obbDirty&&(this._obb||(this._obb=re.OBB3()),re.positions3ToAABB3(this._state.positions,Ki,this._state.positionsDecodeMatrix),re.AABB3ToOBB3(Ki,this._obb),this._obbDirty=!1),this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_setAABBDirty",value:function(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),Wi.meshes--}}]),i}();function Yi(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,c=-r+a,A=t+n,h=i+o,d=r+a;return he.apply(e,{positions:[A,h,d,l,h,d,l,u,d,A,u,d,A,h,d,A,u,d,A,u,c,A,h,c,A,h,d,A,h,c,l,h,c,l,h,d,l,h,d,l,h,c,l,u,c,l,u,d,l,u,c,A,u,c,A,u,d,l,u,d,A,u,c,l,u,c,l,h,c,A,h,c],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}var Ji=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),r=t.call(this,e,s),ae.memory.materials++,r}return C(i,[{key:"type",get:function(){return"Material"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),ae.memory.materials--}}]),i}(),Zi={opaque:0,mask:1,blend:2},qi=["opaque","mask","blend"],$i=function(e){g(i,Ji);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"PhongMaterial",ambient:re.vec3([1,1,1]),diffuse:re.vec3([1,1,1]),specular:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.ambient=s.ambient,r.diffuse=s.diffuse,r.specular=s.specular,r.emissive=s.emissive,r.alpha=s.alpha,r.shininess=s.shininess,r.reflectivity=s.reflectivity,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,s.ambientMap&&(r._ambientMap=r._checkComponent("Texture",s.ambientMap)),s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.reflectivityMap&&(r._reflectivityMap=r._checkComponent("Texture",s.reflectivityMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.diffuseFresnel&&(r._diffuseFresnel=r._checkComponent("Fresnel",s.diffuseFresnel)),s.specularFresnel&&(r._specularFresnel=r._checkComponent("Fresnel",s.specularFresnel)),s.emissiveFresnel&&(r._emissiveFresnel=r._checkComponent("Fresnel",s.emissiveFresnel)),s.alphaFresnel&&(r._alphaFresnel=r._checkComponent("Fresnel",s.alphaFresnel)),s.reflectivityFresnel&&(r._reflectivityFresnel=r._checkComponent("Fresnel",s.reflectivityFresnel)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"PhongMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"shininess",get:function(){return this._state.shininess},set:function(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"reflectivity",get:function(){return this._state.reflectivity},set:function(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}},{key:"normalMap",get:function(){return this._normalMap}},{key:"ambientMap",get:function(){return this._ambientMap}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specularMap",get:function(){return this._specularMap}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"reflectivityMap",get:function(){return this._reflectivityMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"diffuseFresnel",get:function(){return this._diffuseFresnel}},{key:"specularFresnel",get:function(){return this._specularFresnel}},{key:"emissiveFresnel",get:function(){return this._emissiveFresnel}},{key:"alphaFresnel",get:function(){return this._alphaFresnel}},{key:"reflectivityFresnel",get:function(){return this._reflectivityFresnel}},{key:"alphaMode",get:function(){return qi[this._state.alphaMode]},set:function(e){var t=Zi[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),er={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}},tr=function(e){g(i,Ji);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),r._preset="default",s.preset?(r.preset=s.preset,void 0!==s.fill&&(r.fill=s.fill),s.fillColor&&(r.fillColor=s.fillColor),void 0!==s.fillAlpha&&(r.fillAlpha=s.fillAlpha),void 0!==s.edges&&(r.edges=s.edges),s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth),void 0!==s.backfaces&&(r.backfaces=s.backfaces),void 0!==s.glowThrough&&(r.glowThrough=s.glowThrough)):(r.fill=s.fill,r.fillColor=s.fillColor,r.fillAlpha=s.fillAlpha,r.edges=s.edges,r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth,r.backfaces=s.backfaces,r.glowThrough=s.glowThrough),r}return C(i,[{key:"type",get:function(){return"EmphasisMaterial"}},{key:"presets",get:function(){return er}},{key:"fill",get:function(){return this._state.fill},set:function(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}},{key:"fillColor",get:function(){return this._state.fillColor},set:function(e){var t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}},{key:"fillAlpha",get:function(){return this._state.fillAlpha},set:function(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"glowThrough",get:function(){return this._state.glowThrough},set:function(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=er[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(er).join(", "))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),ir={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}},rr=function(e){g(i,Ji);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),r._preset="default",s.preset?(r.preset=s.preset,s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth)):(r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth),r.edges=!1!==s.edges,r}return C(i,[{key:"type",get:function(){return"EdgeMaterial"}},{key:"presets",get:function(){return ir}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=ir[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(ir).join(", "))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),sr={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}},nr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._units="meters",r._scale=1,r._origin=re.vec3([0,0,0]),r.units=s.units,r.scale=s.scale,r.origin=s.origin,r}return C(i,[{key:"unitsInfo",get:function(){return sr}},{key:"units",get:function(){return this._units},set:function(e){e||(e="meters"),sr[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}},{key:"scale",get:function(){return this._scale},set:function(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}},{key:"origin",get:function(){return this._origin},set:function(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}},{key:"worldToRealPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}},{key:"realToWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}]),i}(),or=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._supported=Lt.SUPPORTED_EXTENSIONS.OES_standard_derivatives,r.enabled=s.enabled,r.kernelRadius=s.kernelRadius,r.intensity=s.intensity,r.bias=s.bias,r.scale=s.scale,r.minResolution=s.minResolution,r.numSamples=s.numSamples,r.blur=s.blur,r.blendCutoff=s.blendCutoff,r.blendFactor=s.blendFactor,r}return C(i,[{key:"supported",get:function(){return this._supported}},{key:"enabled",get:function(){return this._enabled},set:function(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}},{key:"possible",get:function(){if(!this._supported)return!1;if(!this._enabled)return!1;var e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}},{key:"active",get:function(){return this._active}},{key:"kernelRadius",get:function(){return this._kernelRadius},set:function(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}},{key:"intensity",get:function(){return this._intensity},set:function(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}},{key:"bias",get:function(){return this._bias},set:function(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}},{key:"minResolution",get:function(){return this._minResolution},set:function(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}},{key:"numSamples",get:function(){return this._numSamples},set:function(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}},{key:"blur",get:function(){return this._blur},set:function(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}},{key:"blendCutoff",get:function(){return this._blendCutoff},set:function(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}},{key:"blendFactor",get:function(){return this._blendFactor},set:function(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ar=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).sliceColor=s.sliceColor,r.sliceThickness=s.sliceThickness,r}return C(i,[{key:"sliceThickness",get:function(){return this._sliceThickness},set:function(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}},{key:"sliceColor",get:function(){return this._sliceColor},set:function(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),lr={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}},ur=function(e){g(i,Ji);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),s.preset?(r.preset=s.preset,void 0!==s.pointSize&&(r.pointSize=s.pointSize),void 0!==s.roundPoints&&(r.roundPoints=s.roundPoints),void 0!==s.perspectivePoints&&(r.perspectivePoints=s.perspectivePoints),void 0!==s.minPerspectivePointSize&&(r.minPerspectivePointSize=s.minPerspectivePointSize),void 0!==s.maxPerspectivePointSize&&(r.maxPerspectivePointSize=s.minPerspectivePointSize)):(r._preset="default",r.pointSize=s.pointSize,r.roundPoints=s.roundPoints,r.perspectivePoints=s.perspectivePoints,r.minPerspectivePointSize=s.minPerspectivePointSize,r.maxPerspectivePointSize=s.maxPerspectivePointSize),r.filterIntensity=s.filterIntensity,r.minIntensity=s.minIntensity,r.maxIntensity=s.maxIntensity,r}return C(i,[{key:"type",get:function(){return"PointsMaterial"}},{key:"presets",get:function(){return lr}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||2,this.glRedraw()}},{key:"roundPoints",get:function(){return this._state.roundPoints},set:function(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"perspectivePoints",get:function(){return this._state.perspectivePoints},set:function(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minPerspectivePointSize",get:function(){return this._state.minPerspectivePointSize},set:function(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}},{key:"maxPerspectivePointSize",get:function(){return this._state.maxPerspectivePointSize},set:function(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}},{key:"filterIntensity",get:function(){return this._state.filterIntensity},set:function(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minIntensity",get:function(){return this._state.minIntensity},set:function(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}},{key:"maxIntensity",get:function(){return this._state.maxIntensity},set:function(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=lr[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(lr).join(", "))}}},{key:"hash",get:function(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),cr={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}},Ar=function(e){g(i,Ji);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"LinesMaterial",lineWidth:null}),s.preset?(r.preset=s.preset,void 0!==s.lineWidth&&(r.lineWidth=s.lineWidth)):(r._preset="default",r.lineWidth=s.lineWidth),r}return C(i,[{key:"type",get:function(){return"LinesMaterial"}},{key:"presets",get:function(){return cr}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=cr[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(cr).join(", "))}}},{key:"hash",get:function(){return[""+this.lineWidth].join(";")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function hr(e,t){for(var i,r,s={},n=0,o=t.length;n<o;n++)i=t[n],(r=e.components[i])?r.isEntity?s[i]=!0:e.warn("pick(): Component is not an Entity: "+i):e.warn("pick(): Component not found: "+i);return s}var dr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),r=t.call(this,null,s);var n=s.canvasElement||document.getElementById(s.canvasId);if(!(n instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";r._tickifiedFunctions={};var o=!!s.transparent,a=!!s.alphaDepthMask;return r._aabbDirty=!0,r._readableGeometry=!!s.readableGeometryEnabled,r.viewer=e,r.occlusionTestCountdown=0,r.loading=0,r.startTime=(new Date).getTime(),r.models={},r.objects={},r._numObjects=0,r.visibleObjects={},r._numVisibleObjects=0,r.xrayedObjects={},r._numXRayedObjects=0,r.highlightedObjects={},r._numHighlightedObjects=0,r.selectedObjects={},r._numSelectedObjects=0,r.colorizedObjects={},r._numColorizedObjects=0,r.opacityObjects={},r._numOpacityObjects=0,r.offsetObjects={},r._numOffsetObjects=0,r._modelIds=null,r._objectIds=null,r._visibleObjectIds=null,r._xrayedObjectIds=null,r._highlightedObjectIds=null,r._selectedObjectIds=null,r._colorizedObjectIds=null,r._opacityObjectIds=null,r._offsetObjectIds=null,r._collidables={},r._compilables={},r._needRecompile=!1,r.types={},r.components={},r.sectionPlanes={},r.lights={},r.lightMaps={},r.reflectionMaps={},r.bitmaps={},r.lineSets={},r.realWorldOffset=s.realWorldOffset||new Float64Array([0,0,0]),r.canvas=new St(b(r),{dontClear:!0,canvas:n,spinnerElementId:s.spinnerElementId,transparent:o,webgl2:!1!==s.webgl2,contextAttr:s.contextAttr||{},backgroundColor:s.backgroundColor,backgroundColorFromAmbientLight:s.backgroundColorFromAmbientLight,premultipliedAlpha:s.premultipliedAlpha}),r.canvas.on("boundary",(function(){r.glRedraw()})),r.canvas.on("webglContextFailed",(function(){alert("xeokit failed to find WebGL!")})),r._renderer=new ui(b(r),{transparent:o,alphaDepthMask:a}),r._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;var e=null;this.getHash=function(){if(e)return e;var t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";for(var i=[],r=0,s=t;r<s;r++)i.push("cp");return i.push(";"),e=i.join("")},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(var i=0,r=this.sectionPlanes.length;i<r;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){var e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},r._sectionPlanesState.setNumCachedSectionPlanes(s.numCachedSectionPlanes||0),r._lightsState=new function(){var e=re.vec4([0,0,0,0]),t=re.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];var i=null,r=null;this.getHash=function(){if(i)return i;for(var e,t=[],r=this.lights,s=0,n=r.length;s<n;s++)e=r[s],t.push("/"),t.push(e.type),t.push("world"===e.space?"w":"v"),e.castsShadow&&t.push("sh");return this.lightMaps.length>0&&t.push("/lm"),this.reflectionMaps.length>0&&t.push("/rm"),t.push(";"),i=t.join("")},this.addLight=function(e){this.lights.push(e),r=null,i=null},this.removeLight=function(e){for(var t=0,s=this.lights.length;t<s;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),r&&r.id===e.id&&(r=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(var t=0,r=this.reflectionMaps.length;t<r;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(var t=0,r=this.lightMaps.length;t<r;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!r)for(var i=0,s=this.lights.length;i<s;i++){var n=this.lights[i];if("ambient"===n.type){r=n;break}}if(r){var o=r.color,a=r.intensity;return t[0]=o[0],t[1]=o[1],t[2]=o[2],t[3]=a,t}return e}},r.input=new ci(b(r),{dontClear:!0,element:r.canvas.canvas,keyboardEventsElement:s.keyboardEventsElement}),r.metrics=new nr(b(r),{units:s.units,scale:s.scale,origin:s.origin}),r.sao=new or(b(r),{enabled:s.saoEnabled}),r.crossSections=new ar(b(r),{}),r.ticksPerRender=s.ticksPerRender,r.ticksPerOcclusionTest=s.ticksPerOcclusionTest,r.passes=s.passes,r.clearEachPass=s.clearEachPass,r.gammaInput=s.gammaInput,r.gammaOutput=s.gammaOutput,r.gammaFactor=s.gammaFactor,r._entityOffsetsEnabled=!!s.entityOffsetsEnabled,r._logarithmicDepthBufferEnabled=!!s.logarithmicDepthBufferEnabled,r._dtxEnabled=!1!==s.dtxEnabled,r._pbrEnabled=!!s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._dtxEnabled=!!s.dtxEnabled,r._markerZOffset=s.markerZOffset,we._addScene(b(r)),r._initDefaults(),r._viewport=new di(b(r),{id:"default.viewport",autoBoundary:!0,dontClear:!0}),r._camera=new Si(b(r),{id:"default.camera",dontClear:!0}),new Ri(b(r),{color:[1,1,1],intensity:.7}),new Li(b(r),{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Li(b(r),{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),r._camera.on("dirty",(function(){r._renderer.imageDirty()})),r}return C(i,[{key:"type",get:function(){return"Scene"}},{key:"_initDefaults",value:function(){}},{key:"_addComponent",value:function(e){if(e.id&&this.components[e.id]&&(this.error("Component "+he.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=re.createUUID();this.components[e.id]=e;var t=e.type,i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}},{key:"_removeComponent",value:function(e){var t=e.id,i=e.type;delete this.components[t];var r=this.types[i];r&&(delete r[t],he.isEmptyObject(r)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}},{key:"_sectionPlaneCreated",value:function(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}},{key:"_bitmapCreated",value:function(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}},{key:"_lineSetCreated",value:function(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}},{key:"_lightCreated",value:function(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}},{key:"_lightMapCreated",value:function(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapCreated",value:function(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}},{key:"_sectionPlaneDestroyed",value:function(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}},{key:"_bitmapDestroyed",value:function(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}},{key:"_lineSetDestroyed",value:function(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}},{key:"_lightDestroyed",value:function(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}},{key:"_lightMapDestroyed",value:function(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapDestroyed",value:function(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}},{key:"_registerModel",value:function(e){this.models[e.id]=e,this._modelIds=null}},{key:"_deregisterModel",value:function(e){var t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}},{key:"_registerObject",value:function(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}},{key:"_deregisterObject",value:function(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}},{key:"_objectVisibilityUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}},{key:"_deRegisterVisibleObject",value:function(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}},{key:"_objectXRayedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}},{key:"_deRegisterXRayedObject",value:function(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}},{key:"_objectHighlightedUpdated",value:function(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}},{key:"_deRegisterHighlightedObject",value:function(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}},{key:"_objectSelectedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}},{key:"_deRegisterSelectedObject",value:function(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}},{key:"_objectColorizeUpdated",value:function(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}},{key:"_deRegisterColorizedObject",value:function(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}},{key:"_objectOpacityUpdated",value:function(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}},{key:"_deRegisterOpacityObject",value:function(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}},{key:"_objectOffsetUpdated",value:function(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}},{key:"_deRegisterOffsetObject",value:function(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}},{key:"_webglContextLost",value:function(){for(var e in this.canvas.spinner.processes++,this.components)if(this.components.hasOwnProperty(e)){var t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}},{key:"_webglContextRestored",value:function(){var e=this.canvas.gl;for(var t in this.components)if(this.components.hasOwnProperty(t)){var i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}},{key:"capabilities",get:function(){return this._renderer.capabilities}},{key:"entityOffsetsEnabled",get:function(){return this._entityOffsetsEnabled}},{key:"readableGeometryEnabled",get:function(){return this._readableGeometry}},{key:"pickSurfacePrecisionEnabled",get:function(){return this._readableGeometry}},{key:"logarithmicDepthBufferEnabled",get:function(){return this._logarithmicDepthBufferEnabled}},{key:"numCachedSectionPlanes",get:function(){return this._sectionPlanesState.getNumCachedSectionPlanes()},set:function(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}},{key:"pbrEnabled",get:function(){return this._pbrEnabled},set:function(e){this._pbrEnabled=!!e,this.glRedraw()}},{key:"dtxEnabled",get:function(){return this._dtxEnabled},set:function(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled},set:function(e){this._colorTextureEnabled=!!e,this.glRedraw()}},{key:"markerZOffset",get:function(){return null==this._markerZOffset?-.001:this._markerZOffset}},{key:"doOcclusionTest",value:function(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}},{key:"render",value:function(e){e&&we.runTasks();var t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),e||this._renderer.needsRender()){t.sceneId=this.id;var i,r,s=this._passes,n=this._clearEachPass;for(i=0;i<s;i++)t.pass=i,this.fire("rendering",t,!0),r=n||0===i,this._renderer.render({pass:i,clear:r,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}}},{key:"compile",value:function(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}},{key:"_recompile",value:function(){for(var e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}},{key:"_saveAmbientColor",value:function(){var e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{var t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=re.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}},{key:"modelIds",get:function(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}},{key:"numObjects",get:function(){return this._numObjects}},{key:"objectIds",get:function(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}},{key:"numVisibleObjects",get:function(){return this._numVisibleObjects}},{key:"visibleObjectIds",get:function(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}},{key:"numXRayedObjects",get:function(){return this._numXRayedObjects}},{key:"xrayedObjectIds",get:function(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}},{key:"numHighlightedObjects",get:function(){return this._numHighlightedObjects}},{key:"highlightedObjectIds",get:function(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}},{key:"numSelectedObjects",get:function(){return this._numSelectedObjects}},{key:"selectedObjectIds",get:function(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}},{key:"numColorizedObjects",get:function(){return this._numColorizedObjects}},{key:"colorizedObjectIds",get:function(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}},{key:"opacityObjectIds",get:function(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}},{key:"offsetObjectIds",get:function(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}},{key:"ticksPerRender",get:function(){return this._ticksPerRender},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}},{key:"ticksPerOcclusionTest",get:function(){return this._ticksPerOcclusionTest},set:function(e){null==e?e=20:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}},{key:"passes",get:function(){return this._passes},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}},{key:"clearEachPass",get:function(){return this._clearEachPass},set:function(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}},{key:"gammaInput",get:function(){return this._renderer.gammaInput},set:function(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaOutput",get:function(){return this._renderer.gammaOutput},set:function(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaFactor",get:function(){return this._renderer.gammaFactor},set:function(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}},{key:"geometry",get:function(){return this.components["default.geometry"]||Yi(Xi)}},{key:"material",get:function(){return this.components["default.material"]||new $i(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}},{key:"xrayMaterial",get:function(){return this.components["default.xrayMaterial"]||new tr(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}},{key:"highlightMaterial",get:function(){return this.components["default.highlightMaterial"]||new tr(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}},{key:"selectedMaterial",get:function(){return this.components["default.selectedMaterial"]||new tr(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}},{key:"edgeMaterial",get:function(){return this.components["default.edgeMaterial"]||new rr(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}},{key:"pointsMaterial",get:function(){return this.components["default.pointsMaterial"]||new ur(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}},{key:"linesMaterial",get:function(){return this.components["default.linesMaterial"]||new Ar(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}},{key:"viewport",get:function(){return this._viewport}},{key:"camera",get:function(){return this._camera}},{key:"center",get:function(){if(this._aabbDirty||!this._center){var e=this.aabb;this._center||(this._center=re.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}},{key:"aabb",get:function(){if(this._aabbDirty){this._aabb||(this._aabb=re.AABB3());var e,t,i=re.MAX_DOUBLE,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MIN_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=this._collidables,u=!1;for(var c in l)if(l.hasOwnProperty(c)){if(!1===(t=l[c]).collidable)continue;(e=t.aabb)[0]<i&&(i=e[0]),e[1]<r&&(r=e[1]),e[2]<s&&(s=e[2]),e[3]>n&&(n=e[3]),e[4]>o&&(o=e[4]),e[5]>a&&(a=e[5]),u=!0}u||(i=-100,r=-100,s=-100,n=100,o=100,a=100),this._aabb[0]=i,this._aabb[1]=r,this._aabb[2]=s,this._aabb[3]=n,this._aabb[4]=o,this._aabb[5]=a,this._aabbDirty=!1,this._center=null}return this._aabb}},{key:"_setAABBDirty",value:function(){this._aabbDirty=!0,this.fire("boundary")}},{key:"pick",value:function(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");var i=e.includeEntities||e.include;i&&(e.includeEntityIds=hr(this,i));var r=e.excludeEntities||e.exclude;return r&&(e.excludeEntityIds=hr(this,r)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}},{key:"snapPick",value:function(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}},{key:"clear",value:function(){var e;for(var t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}},{key:"clearLights",value:function(){for(var e=Object.keys(this.lights),t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}},{key:"clearSectionPlanes",value:function(){for(var e=Object.keys(this.sectionPlanes),t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}},{key:"clearBitmaps",value:function(){for(var e=Object.keys(this.bitmaps),t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}},{key:"clearLines",value:function(){for(var e=Object.keys(this.lineSets),t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}},{key:"getAABB",value:function(e){if(void 0===e)return this.aabb;if(he.isString(e)){var t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;var i,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MAX_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=re.MIN_DOUBLE;if(this.withObjects(e,(function(e){if(e.collidable){var t=e.aabb;t[0]<r&&(r=t[0]),t[1]<s&&(s=t[1]),t[2]<n&&(n=t[2]),t[3]>o&&(o=t[3]),t[4]>a&&(a=t[4]),t[5]>l&&(l=t[5]),i=!0}})),i){var u=re.AABB3();return u[0]=r,u[1]=s,u[2]=n,u[3]=o,u[4]=a,u[5]=l,u}return this.aabb}},{key:"setObjectsVisible",value:function(e,t){return this.withObjects(e,(function(e){var i=e.visible!==t;return e.visible=t,i}))}},{key:"setObjectsCollidable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.collidable!==t;return e.collidable=t,i}))}},{key:"setObjectsCulled",value:function(e,t){return this.withObjects(e,(function(e){var i=e.culled!==t;return e.culled=t,i}))}},{key:"setObjectsSelected",value:function(e,t){return this.withObjects(e,(function(e){var i=e.selected!==t;return e.selected=t,i}))}},{key:"setObjectsHighlighted",value:function(e,t){return this.withObjects(e,(function(e){var i=e.highlighted!==t;return e.highlighted=t,i}))}},{key:"setObjectsXRayed",value:function(e,t){return this.withObjects(e,(function(e){var i=e.xrayed!==t;return e.xrayed=t,i}))}},{key:"setObjectsEdges",value:function(e,t){return this.withObjects(e,(function(e){var i=e.edges!==t;return e.edges=t,i}))}},{key:"setObjectsColorized",value:function(e,t){return this.withObjects(e,(function(e){e.colorize=t}))}},{key:"setObjectsOpacity",value:function(e,t){return this.withObjects(e,(function(e){var i=e.opacity!==t;return e.opacity=t,i}))}},{key:"setObjectsPickable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.pickable!==t;return e.pickable=t,i}))}},{key:"setObjectsOffset",value:function(e,t){this.withObjects(e,(function(e){e.offset=t}))}},{key:"withObjects",value:function(e,t){he.isString(e)&&(e=[e]);for(var i=!1,r=0,s=e.length;r<s;r++){var n=e[r],o=this.objects[n];if(o)i=t(o)||i;else for(var a=this.modelIds,l=0,u=a.length;l<u;l++){var c=a[l],A=re.globalizeObjectId(c,n);(o=this.objects[A])&&(i=t(o)||i)}}return i}},{key:"tickify",value:function(e){var t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;var i,r=0,s=0,n=function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++)t[r]=arguments[r];i=t,s++},o=this.on("tick",(function(){s>r&&(r=s,e.apply(void 0,h(i)))}));return this._tickifiedFunctions[t]={tickSubId:o,wrapperFunc:n},n}},{key:"destroy",value:function(){for(var e in 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t=e.scene,i=e.scene._sectionPlanesState,r=e.scene._lightsState,s=e._geometry._state,n=e._state.billboard,o=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!s.compressGeometry,u=[];u.push("#version 300 es"),u.push("// Lambertian drawing vertex shader"),u.push("in vec3 position;"),u.push("uniform mat4 modelMatrix;"),u.push("uniform mat4 viewMatrix;"),u.push("uniform mat4 projMatrix;"),u.push("uniform vec4 colorize;"),u.push("uniform vec3 offset;"),l&&u.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(u.push("uniform float logDepthBufFC;"),u.push("out float vFragDepth;"),u.push("bool isPerspectiveMatrix(mat4 m) {"),u.push("    return (m[2][3] == - 1.0);"),u.push("}"),u.push("out float isPerspective;"));a&&u.push("out vec4 vWorldPosition;");if(u.push("uniform vec4 lightAmbient;"),u.push("uniform vec4 materialColor;"),u.push("uniform vec3 materialEmissive;"),s.normalsBuf){u.push("in vec3 normal;"),u.push("uniform mat4 modelNormalMatrix;"),u.push("uniform mat4 viewNormalMatrix;");for(var c=0,A=r.lights.length;c<A;c++){var h=r.lights[c];"ambient"!==h.type&&(u.push("uniform vec4 lightColor"+c+";"),"dir"===h.type&&u.push("uniform vec3 lightDir"+c+";"),"point"===h.type&&u.push("uniform vec3 lightPos"+c+";"),"spot"===h.type&&(u.push("uniform vec3 lightPos"+c+";"),u.push("uniform vec3 lightDir"+c+";")))}l&&(u.push("vec3 octDecode(vec2 oct) {"),u.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),u.push("    if (v.z < 0.0) {"),u.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),u.push("    }"),u.push("    return normalize(v);"),u.push("}"))}u.push("out vec4 vColor;"),"points"===s.primitiveName&&u.push("uniform float pointSize;");"spherical"!==n&&"cylindrical"!==n||(u.push("void billboard(inout mat4 mat) {"),u.push("   mat[0][0] = 1.0;"),u.push("   mat[0][1] = 0.0;"),u.push("   mat[0][2] = 0.0;"),"spherical"===n&&(u.push("   mat[1][0] = 0.0;"),u.push("   mat[1][1] = 1.0;"),u.push("   mat[1][2] = 0.0;")),u.push("   mat[2][0] = 0.0;"),u.push("   mat[2][1] = 0.0;"),u.push("   mat[2][2] =1.0;"),u.push("}"));u.push("void main(void) {"),u.push("vec4 localPosition = vec4(position, 1.0); "),u.push("vec4 worldPosition;"),l&&u.push("localPosition = positionsDecodeMatrix * localPosition;");s.normalsBuf&&(l?u.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):u.push("vec4 localNormal = vec4(normal, 0.0); "),u.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),u.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));u.push("mat4 viewMatrix2 = viewMatrix;"),u.push("mat4 modelMatrix2 = modelMatrix;"),o&&u.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(u.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),u.push("billboard(modelMatrix2);"),u.push("billboard(viewMatrix2);"),u.push("billboard(modelViewMatrix);"),s.normalsBuf&&(u.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),u.push("billboard(modelNormalMatrix2);"),u.push("billboard(viewNormalMatrix2);"),u.push("billboard(modelViewNormalMatrix);")),u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s.normalsBuf&&u.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(u.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),u.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),u.push("float lambertian = 1.0;"),s.normalsBuf)for(var d=0,p=r.lights.length;d<p;d++){var f=r.lights[d];if("ambient"!==f.type){if("dir"===f.type)"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);");else if("point"===f.type)"view"===f.space?u.push("viewLightDir = -normalize(lightPos"+d+" - viewPosition.xyz);"):u.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+d+", 0.0)).xyz);");else{if("spot"!==f.type)continue;"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);")}u.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),u.push("reflectedColor += lambertian * (lightColor"+d+".rgb * lightColor"+d+".a);")}}u.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&u.push("vWorldPosition = worldPosition;");"points"===s.primitiveName&&u.push("gl_PointSize = pointSize;");u.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(u.push("vFragDepth = 1.0 + clipPos.w;"),u.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return u.push("gl_Position = clipPos;"),u.push("}"),u}(e),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState;e._material._state;var r=e._geometry._state,s=i.getNumAllocatedSectionPlanes()>0,n=t.gammaOutput,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));if(s){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(var a=0,l=i.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";")}o.push("in vec4 vColor;"),n&&(o.push("uniform float gammaFactor;"),o.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(var u=0,c=i.getNumAllocatedSectionPlanes();u<c;u++)o.push("if (sectionPlaneActive"+u+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+u+".xyz, vWorldPosition.xyz - sectionPlanePos"+u+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===r.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");n?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)):(this.vertex=function(e){var t=e.scene;e._material;var i,r=e._state,s=t._sectionPlanesState,n=e._geometry._state,o=t._lightsState,a=r.billboard,l=r.background,u=r.stationary,c=function(e){if(!e._geometry._state.uvBuf)return!1;var t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),A=Is(e),h=s.getNumAllocatedSectionPlanes()>0,d=ks(e),p=!!n.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),h&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(A){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(var v=0,g=o.lights.length;v<g;v++)"ambient"!==(i=o.lights[v]).type&&("dir"===i.type&&f.push("uniform vec3 lightDir"+v+";"),"point"===i.type&&f.push("uniform vec3 lightPos"+v+";"),"spot"===i.type&&(f.push("uniform vec3 lightPos"+v+";"),f.push("uniform vec3 lightDir"+v+";")),"dir"===i.type&&"view"===i.space||f.push("out vec4 vViewLightReverseDirAndDist"+v+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}c&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));n.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===n.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(var m=0,_=o.lights.length;m<_;m++)o.lights[m].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+m+";"),f.push("uniform mat4 shadowProjMatrix"+m+";"),f.push("out vec4 vShadowPosFromLight"+m+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");A&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),u?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),A&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(A){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(var y=0,b=o.lights.length;y<b;y++)"ambient"!==(i=o.lights[y]).type&&("dir"===i.type&&"world"===i.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+y+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+y+" = vec4(-tmpVec3, 0.0);")),"point"===i.type&&("world"===i.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+y+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+y+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+y+" = vec4(tmpVec3, lightDist);")))}c&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));n.colors&&f.push("vColor = color;");"points"===n.primitiveName&&f.push("gl_PointSize = pointSize;");h&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(var x=0,w=o.lights.length;x<w;x++)o.lights[x].castsShadow&&f.push("vShadowPosFromLight"+x+" = texUnitConverter * shadowProjMatrix"+x+" * (shadowViewMatrix"+x+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=e._material,r=e._geometry._state,s=e.scene._sectionPlanesState,n=e.scene._lightsState,o=e._material._state,a=s.getNumAllocatedSectionPlanes()>0,l=Is(e),u=r.uvBuf,c="PhongMaterial"===o.type,A="MetallicMaterial"===o.type,h="SpecularMaterial"===o.type,d=ks(e);t.gammaInput;var p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("uniform bool sectionPlaneActive"+v+";"),f.push("uniform vec3 sectionPlanePos"+v+";"),f.push("uniform vec3 sectionPlaneDir"+v+";")}l&&(n.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),n.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),c&&((n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Fs[n.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(A||h)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),n.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Fs[n.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),r.colors&&f.push("in vec4 vColor;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(n.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));o.ambient&&f.push("uniform vec3 materialAmbient;");o.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==o.alpha&&null!==o.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");o.emissive&&f.push("uniform vec3 materialEmissive;");o.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==o.glossiness&&null!==o.glossiness&&f.push("uniform float materialGlossiness;");void 0!==o.shininess&&null!==o.shininess&&f.push("uniform float materialShininess;");o.specular&&f.push("uniform vec3 materialSpecular;");void 0!==o.metallic&&null!==o.metallic&&f.push("uniform float materialMetallic;");void 0!==o.roughness&&null!==o.roughness&&f.push("uniform float materialRoughness;");void 0!==o.specularF0&&null!==o.specularF0&&f.push("uniform float materialSpecularF0;");u&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));u&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));u&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));u&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&u&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&u&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&u&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));u&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));u&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&u&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&u&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&u&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(var g=0,m=n.lights.length;g<m;g++){var _=n.lights[g];"ambient"!==_.type&&(f.push("uniform vec4 lightColor"+g+";"),"point"===_.type&&f.push("uniform vec3 lightAttenuation"+g+";"),"dir"===_.type&&"view"===_.space&&f.push("uniform vec3 lightDir"+g+";"),"point"===_.type&&"view"===_.space?f.push("uniform vec3 lightPos"+g+";"):f.push("in vec4 vViewLightReverseDirAndDist"+g+";"))}if(d)for(var y=0,b=n.lights.length;y<b;y++)n.lights[y].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+y+";"),f.push("uniform sampler2D shadowMap"+y+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("if (sectionPlaneActive"+v+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+v+".xyz, vWorldPosition.xyz - sectionPlanePos"+v+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===r.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),o.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");o.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):o.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");r.colors&&f.push("diffuseColor *= vColor.rgb;");o.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");o.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==o.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");r.colors&&f.push("alpha *= vColor.a;");void 0!==o.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==o.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==o.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==o.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));u&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Fs[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));u&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Fs[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));u&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Fs[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));u&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Fs[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));u&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));u&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(n.lights.length>0||n.lightMaps.length>0||n.reflectionMaps.length>0)){u&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),u&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),u&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),u&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),u&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),u&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),u&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),c&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),h&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),A&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),n.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),c&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(h||A)&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(var x=0,w=n.lights.length;x<w;x++){var B=n.lights[x];"ambient"!==B.type&&("dir"===B.type&&"view"===B.space?f.push("viewLightDir = -normalize(lightDir"+x+");"):"point"===B.type&&"view"===B.space?f.push("viewLightDir = normalize(lightPos"+x+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+x+".xyz);"),d&&B.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+x+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+x+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+x+".rgb * (lightColor"+x+".a * shadow);")):f.push("light.color =  lightColor"+x+".rgb * (lightColor"+x+".a );"),f.push("light.direction = viewLightDir;"),c&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(h||A)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}c?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Fs={};function ks(e){if(!e.receivesShadow)return!1;var t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(var i=0,r=t.length;i<r;i++)if(t[i].castsShadow)return!0;return!1}function Is(e){var t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Fs[3e3]="linearToLinear",Fs[3001]="sRGBToLinear";var Ds=re.vec3(),Ss=new G({}),Ts=function(e,t){this.id=Ss.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Es(t),this._allocate(t)},Ls={};Ts.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";"),r=Ls[i];if(!r){if((r=new Ts(i,e)).errors)return console.log(r.errors.join("\n")),null;Ls[i]=r,ae.memory.programs++}return r._useCount++,r},Ts.prototype.put=function(){0==--this._useCount&&(Ss.removeItem(this.id),this._program&&this._program.destroy(),delete Ls[this._hash],ae.memory.programs--)},Ts.prototype.webglContextRestored=function(){this._program=null},Ts.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=Lt.MAX_TEXTURE_UNITS,r=t.scene,s=t._material,n=r.canvas.gl,o=this._program,a=t._state,l=t._material._state,u=t._geometry._state,c=r.camera,A=t.origin,h=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,h&&n.depthFunc(n.LEQUAL),this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):c.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,c.viewNormalMatrix),a.clippable){var d=r._sectionPlanesState.getNumAllocatedSectionPlanes(),p=r._sectionPlanesState.sectionPlanes.length;if(d>0)for(var f=r._sectionPlanesState.sectionPlanes,v=t.renderFlags,g=0;g<d;g++){var m=this._uSectionPlanes[g];if(m)if(g<p){var _=v.sectionPlanesActivePerLayer[g];if(n.uniform1i(m.active,_?1:0),_){var y=f[g];if(A){var b=We(y.dist,y.dir,A,Ds);n.uniform3fv(m.pos,b)}else n.uniform3fv(m.pos,y.pos);n.uniform3fv(m.dir,y.dir)}}else n.uniform1i(m.active,0)}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;var x=l.backfaces;e.backfaces!==x&&(x?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=x);var w=l.frontface;switch(e.frontface!==w&&(w?n.frontFace(n.CCW):n.frontFace(n.CW),e.frontface=w),e.lineWidth!==l.lineWidth&&(n.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&n.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&n.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&n.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),s._ambientMap&&s._ambientMap._state.texture&&this._uMaterialAmbientMap&&(o.bindTexture(this._uMaterialAmbientMap,s._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&n.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,s._ambientMap._state.matrix)),s._diffuseMap&&s._diffuseMap._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,s._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,s._diffuseMap._state.matrix)),s._specularMap&&s._specularMap._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,s._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,s._specularMap._state.matrix)),s._emissiveMap&&s._emissiveMap._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,s._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,s._emissiveMap._state.matrix)),s._alphaMap&&s._alphaMap._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,s._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,s._alphaMap._state.matrix)),s._reflectivityMap&&s._reflectivityMap._state.texture&&this._uReflectivityMap&&(o.bindTexture(this._uReflectivityMap,s._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&n.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,s._reflectivityMap._state.matrix)),s._normalMap&&s._normalMap._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,s._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,s._normalMap._state.matrix)),s._occlusionMap&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,s._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,s._occlusionMap._state.matrix)),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&n.uniform1f(this._uDiffuseFresnelEdgeBias,s._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&n.uniform1f(this._uDiffuseFresnelCenterBias,s._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&n.uniform3fv(this._uDiffuseFresnelEdgeColor,s._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&n.uniform3fv(this._uDiffuseFresnelCenterColor,s._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&n.uniform1f(this._uDiffuseFresnelPower,s._diffuseFresnel.power)),s._specularFresnel&&(this._uSpecularFresnelEdgeBias&&n.uniform1f(this._uSpecularFresnelEdgeBias,s._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&n.uniform1f(this._uSpecularFresnelCenterBias,s._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&n.uniform3fv(this._uSpecularFresnelEdgeColor,s._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&n.uniform3fv(this._uSpecularFresnelCenterColor,s._specularFresnel.centerColor),this._uSpecularFresnelPower&&n.uniform1f(this._uSpecularFresnelPower,s._specularFresnel.power)),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&n.uniform1f(this._uAlphaFresnelEdgeBias,s._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&n.uniform1f(this._uAlphaFresnelCenterBias,s._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&n.uniform3fv(this._uAlphaFresnelEdgeColor,s._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&n.uniform3fv(this._uAlphaFresnelCenterColor,s._alphaFresnel.centerColor),this._uAlphaFresnelPower&&n.uniform1f(this._uAlphaFresnelPower,s._alphaFresnel.power)),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&n.uniform1f(this._uReflectivityFresnelEdgeBias,s._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&n.uniform1f(this._uReflectivityFresnelCenterBias,s._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&n.uniform3fv(this._uReflectivityFresnelEdgeColor,s._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&n.uniform3fv(this._uReflectivityFresnelCenterColor,s._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&n.uniform1f(this._uReflectivityFresnelPower,s._reflectivityFresnel.power)),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&n.uniform1f(this._uEmissiveFresnelEdgeBias,s._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&n.uniform1f(this._uEmissiveFresnelCenterBias,s._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&n.uniform3fv(this._uEmissiveFresnelEdgeColor,s._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&n.uniform3fv(this._uEmissiveFresnelCenterColor,s._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&n.uniform1f(this._uEmissiveFresnelPower,s._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&n.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&n.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&n.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&n.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var B=s._baseColorMap;B&&B._state.texture&&this._uBaseColorMap&&(o.bindTexture(this._uBaseColorMap,B._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&n.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,B._state.matrix));var P=s._metallicMap;P&&P._state.texture&&this._uMetallicMap&&(o.bindTexture(this._uMetallicMap,P._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&n.uniformMatrix4fv(this._uMetallicMapMatrix,!1,P._state.matrix));var C=s._roughnessMap;C&&C._state.texture&&this._uRoughnessMap&&(o.bindTexture(this._uRoughnessMap,C._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&n.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,C._state.matrix));var M=s._metallicRoughnessMap;M&&M._state.texture&&this._uMetallicRoughnessMap&&(o.bindTexture(this._uMetallicRoughnessMap,M._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&n.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,M._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&n.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&n.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var E=s._diffuseMap;E&&E._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,E._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,E._state.matrix));var F=s._specularMap;F&&F._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,F._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,F._state.matrix));var k=s._glossinessMap;k&&k._state.texture&&this._uGlossinessMap&&(o.bindTexture(this._uGlossinessMap,k._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&n.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,k._state.matrix));var I,D,S,T,L=s._specularGlossinessMap;L&&L._state.texture&&this._uSpecularGlossinessMap&&(o.bindTexture(this._uSpecularGlossinessMap,L._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&n.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,L._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&D._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix))}this._lastMaterialId=l.id}if(n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),this._uColorize){var R=a.colorize,U=this._lastColorize;U[0]===R[0]&&U[1]===R[1]&&U[2]===R[2]&&U[3]===R[3]||(n.uniform4fv(this._uColorize,R),U[0]=R[0],U[1]=R[1],U[2]=R[2],U[3]=R[3])}n.uniform3fv(this._uOffset,a.offset),u.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,u.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,u.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(u.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(u.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(u.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(u.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(u.flagsBuf),e.bindArray++),u.indicesBuf&&(u.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=u.id),u.indicesBuf?(n.drawElements(u.primitive,u.indicesBuf.numItems,u.indicesBuf.itemType,0),e.drawElements++):u.positions&&(n.drawArrays(n.TRIANGLES,0,u.positions.numItems),e.drawArrays++),h&&n.depthFunc(n.LESS)},Ts.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=e._material,s=t._lightsState,n=t._sectionPlanesState,o=e._material._state;if(this._program=new zt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));for(var l,u=s.lights,c=0,A=u.length;c<A;c++){switch((l=u[c]).type){case"ambient":this._uLightAmbient[c]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=null,this._uLightDir[c]=a.getLocation("lightDir"+c);break;case"point":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=a.getLocation("lightPos"+c),this._uLightDir[c]=null,this._uLightAttenuation[c]=a.getLocation("lightAttenuation"+c);break;case"spot":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=a.getLocation("lightPos"+c),this._uLightDir[c]=a.getLocation("lightDir"+c),this._uLightAttenuation[c]=a.getLocation("lightAttenuation"+c)}l.castsShadow&&(this._uShadowViewMatrix[c]=a.getLocation("shadowViewMatrix"+c),this._uShadowProjMatrix[c]=a.getLocation("shadowProjMatrix"+c))}s.lightMaps.length>0&&(this._uLightMap="lightMap"),s.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(c=0,A=n.sectionPlanes.length;c<A;c++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+c),pos:a.getLocation("sectionPlanePos"+c),dir:a.getLocation("sectionPlaneDir"+c)});switch(this._uPointSize=a.getLocation("pointSize"),o.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),r._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),r._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),r._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),r._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),r._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),r._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0}},Ts.prototype._bindProgram=function(e){var t,i=Lt.MAX_TEXTURE_UNITS,r=this._scene,s=r.canvas.gl,n=r._lightsState,o=r.camera.project,a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),r.logarithmicDepthBufferEnabled){var l=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,l)}for(var u=0,c=n.lights.length;u<c;u++)if(t=n.lights[u],this._uLightAmbient[u])s.uniform4f(this._uLightAmbient[u],t.color[0],t.color[1],t.color[2],t.intensity);else if(this._uLightColor[u]&&s.uniform4f(this._uLightColor[u],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[u]&&(s.uniform3fv(this._uLightPos[u],t.pos),this._uLightAttenuation[u]&&s.uniform1f(this._uLightAttenuation[u],t.attenuation)),this._uLightDir[u]&&s.uniform3fv(this._uLightDir[u],t.dir),t.castsShadow){this._uShadowViewMatrix[u]&&s.uniformMatrix4fv(this._uShadowViewMatrix[u],!1,t.getShadowViewMatrix()),this._uShadowProjMatrix[u]&&s.uniformMatrix4fv(this._uShadowProjMatrix[u],!1,t.getShadowProjMatrix());var A=t.getShadowRenderBuf();A&&(a.bindTexture("shadowMap"+u,A.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++)}n.lightMaps.length>0&&n.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,n.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),n.reflectionMaps.length>0&&n.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,n.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,r.gammaFactor),this._baseTextureUnit=e.textureUnit};var Rs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._lightsState,r=function(e){var t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),s=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,n=!!e._geometry._state.compressGeometry,o=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),n&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));s&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),r){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(l.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&l.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&l.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&l.push("uniform vec3 lightPos"+u+";"))}n&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===o||"cylindrical"===o)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===o&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),n&&l.push("localPosition = positionsDecodeMatrix * localPosition;");r&&(n?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),r&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),r)for(var h=0,d=i.lights.length;h<d;h++){var p=i.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?l.push("viewLightDir = normalize(lightDir"+h+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+h+", 0.0)).xyz);");else{if("point"!==p.type)continue;"view"===p.space?l.push("viewLightDir = normalize(lightPos"+h+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+h+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),s&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===e._geometry._state.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var Us=new G({}),Os=re.vec3(),Ns=function(e,t){this.id=Us.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Rs(t),this._allocate(t)},Qs={};Ns.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=Qs[t];return i||(i=new Ns(t,e),Qs[t]=i,ae.memory.programs++),i._useCount++,i},Ns.prototype.put=function(){0==--this._useCount&&(Us.removeItem(this.id),this._program&&this._program.destroy(),delete Qs[this._hash],ae.memory.programs--)},Ns.prototype.webglContextRestored=function(){this._program=null},Ns.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r=this._scene,s=r.camera,n=r.canvas.gl,o=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,u=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,u?e.getRTCViewMatrix(a.originHash,u):s.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.viewNormalMatrix),a.clippable){var c=r._sectionPlanesState.getNumAllocatedSectionPlanes(),A=r._sectionPlanesState.sectionPlanes.length;if(c>0)for(var h=r._sectionPlanesState.sectionPlanes,d=t.renderFlags,p=0;p<c;p++){var f=this._uSectionPlanes[p];if(f)if(p<A){var v=d.sectionPlanesActivePerLayer[p];if(n.uniform1i(f.active,v?1:0),v){var g=h[p];if(u){var m=We(g.dist,g.dir,u,Os);n.uniform3fv(f.pos,m)}else n.uniform3fv(f.pos,g.pos);n.uniform3fv(f.dir,g.dir)}}else n.uniform1i(f.active,0)}}if(o.id!==this._lastMaterialId){var _=o.fillColor,y=o.backfaces;e.backfaces!==y&&(y?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=y),n.uniform4f(this._uFillColor,_[0],_[1],_[2],o.fillAlpha),this._lastMaterialId=o.id}n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),n.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(n.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(n.drawArrays(n.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Ns.prototype._allocate=function(e){var t=e.scene,i=t._lightsState,r=t._sectionPlanesState,s=t.canvas.gl;if(this._program=new zt(s,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uModelMatrix=n.getLocation("modelMatrix"),this._uModelNormalMatrix=n.getLocation("modelNormalMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uViewNormalMatrix=n.getLocation("viewNormalMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var o=0,a=i.lights.length;o<a;o++){switch(i.lights[o].type){case"ambient":this._uLightAmbient[o]=n.getLocation("lightAmbient");break;case"dir":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=null,this._uLightDir[o]=n.getLocation("lightDir"+o);break;case"point":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=n.getLocation("lightPos"+o),this._uLightDir[o]=null,this._uLightAttenuation[o]=n.getLocation("lightAttenuation"+o)}}this._uSectionPlanes=[];for(var l=0,u=r.getNumAllocatedSectionPlanes();l<u;l++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+l),pos:n.getLocation("sectionPlanePos"+l),dir:n.getLocation("sectionPlaneDir"+l)});this._uFillColor=n.getLocation("fillColor"),this._aPosition=n.getAttribute("position"),this._aNormal=n.getAttribute("normal"),this._uClippable=n.getLocation("clippable"),this._uGammaFactor=n.getLocation("gammaFactor"),this._uOffset=n.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Ns.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t._lightsState,s=t.camera,n=s.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),t.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];this._uLightAmbient[a]?i.uniform4f(this._uLightAmbient[a],u.color[0],u.color[1],u.color[2],u.intensity):(this._uLightColor[a]&&i.uniform4f(this._uLightColor[a],u.color[0],u.color[1],u.color[2],u.intensity),this._uLightPos[a]&&(i.uniform3fv(this._uLightPos[a],u.pos),this._uLightAttenuation[a]&&i.uniform1f(this._uLightAttenuation[a],u.attenuation)),this._uLightDir[a]&&i.uniform3fv(this._uLightDir[a],u.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};var Vs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Edges drawing vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec4 edgeColor;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));i&&o.push("out vec4 vWorldPosition;");o.push("out vec4 vColor;"),("spherical"===s||"cylindrical"===s)&&(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));o.push("vColor = edgeColor;"),i&&o.push("vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Edges drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var Hs=new G({}),js=re.vec3(),Gs=function(e,t){this.id=Hs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Vs(t),this._allocate(t)},zs={};Gs.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=zs[t];return i||(i=new Gs(t,e),zs[t]=i,ae.memory.programs++),i._useCount++,i},Gs.prototype.put=function(){0==--this._useCount&&(Hs.removeItem(this.id),this._program&&this._program.destroy(),delete zs[this._hash],ae.memory.programs--)},Gs.prototype.webglContextRestored=function(){this._program=null},Gs.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r,s,n=this._scene,o=n.camera,a=n.canvas.gl,l=t._state,u=t._geometry,c=u._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),a.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(l.originHash,A):o.viewMatrix),l.clippable){var h=n._sectionPlanesState.getNumAllocatedSectionPlanes(),d=n._sectionPlanesState.sectionPlanes.length;if(h>0)for(var p=n._sectionPlanesState.sectionPlanes,f=t.renderFlags,v=0;v<h;v++){var g=this._uSectionPlanes[v];if(g)if(v<d){var m=f.sectionPlanesActivePerLayer[v];if(a.uniform1i(g.active,m?1:0),m){var _=p[v];if(A){var y=We(_.dist,_.dir,A,js);a.uniform3fv(g.pos,y)}else a.uniform3fv(g.pos,_.pos);a.uniform3fv(g.dir,_.dir)}}else a.uniform1i(g.active,0)}}switch(i){case 0:r=t._xrayMaterial._state;break;case 1:r=t._highlightMaterial._state;break;case 2:r=t._selectedMaterial._state;break;default:r=t._edgeMaterial._state}if(r.id!==this._lastMaterialId){var b=r.backfaces;if(e.backfaces!==b&&(b?a.disable(a.CULL_FACE):a.enable(a.CULL_FACE),e.backfaces=b),e.lineWidth!==r.edgeWidth&&(a.lineWidth(r.edgeWidth),e.lineWidth=r.edgeWidth),this._uEdgeColor){var x=r.edgeColor,w=r.edgeAlpha;a.uniform4f(this._uEdgeColor,x[0],x[1],x[2],w)}this._lastMaterialId=r.id}a.uniformMatrix4fv(this._uModelMatrix,a.FALSE,t.worldMatrix),this._uClippable&&a.uniform1i(this._uClippable,l.clippable),a.uniform3fv(this._uOffset,l.offset),c.primitive===a.TRIANGLES?s=u._getEdgeIndices():c.primitive===a.LINES&&(s=c.indicesBuf),s&&(c.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&a.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,c.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(c.positionsBuf,c.compressGeometry?a.UNSIGNED_SHORT:a.FLOAT),e.bindArray++),s.bind(),e.bindArray++,this._lastGeometryId=c.id),a.drawElements(a.LINES,s.numItems,s.itemType,0),e.drawElements++)},Gs.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program=new zt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(var n=0,o=r.getNumAllocatedSectionPlanes();n<o;n++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+n),pos:s.getLocation("sectionPlanePos"+n),dir:s.getLocation("sectionPlaneDir"+n)});this._uEdgeColor=s.getLocation("edgeColor"),this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uGammaFactor=s.getLocation("gammaFactor"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Gs.prototype._bindProgram=function(e){var t=this._program,i=this._scene,r=i.canvas.gl,s=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),i.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,n)}this._uGammaFactor&&r.uniform1f(this._uGammaFactor,i.gammaFactor)};var Ws=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh picking vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("out vec4 vViewPosition;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("uniform vec2 pickClipPos;"),o.push("vec4 remapClipPos(vec4 clipPos) {"),o.push("    clipPos.xy /= clipPos.w;"),o.push("    clipPos.xy -= pickClipPos;"),o.push("    clipPos.xy *= clipPos.w;"),o.push("    return clipPos;"),o.push("}"),o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==s&&"cylindrical"!==s||(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"));o.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),o.push("   worldPosition.xyz = worldPosition.xyz + offset;"),o.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = remapClipPos(clipPos);"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(s.push("uniform vec4 pickColor;"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = pickColor; "),s.push("}"),s}(t)}));var Ks=re.vec3(),Xs=function(e,t){this._hash=e,this._shaderSource=new Ws(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Ys={};Xs.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),i=Ys[t];if(!i){if((i=new Xs(t,e)).errors)return console.log(i.errors.join("\n")),null;Ys[t]=i,ae.memory.programs++}return i._useCount++,i},Xs.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Ys[this._hash],ae.memory.programs--)},Xs.prototype.webglContextRestored=function(){this._program=null},Xs.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(s.originHash,a):e.pickViewMatrix),s.clippable){var l=i._sectionPlanesState.getNumAllocatedSectionPlanes(),u=i._sectionPlanesState.sectionPlanes.length;if(l>0)for(var c=i._sectionPlanesState.sectionPlanes,A=t.renderFlags,h=0;h<l;h++){var d=this._uSectionPlanes[h];if(d)if(h<u){var p=A.sectionPlanesActivePerLayer[h];if(r.uniform1i(d.active,p?1:0),p){var f=c[h];if(a){var v=We(f.dist,f.dir,a,Ks);r.uniform3fv(d.pos,v)}else r.uniform3fv(d.pos,f.pos);r.uniform3fv(d.dir,f.dir)}}else r.uniform1i(d.active,0)}}if(n.id!==this._lastMaterialId){var g=n.backfaces;e.backfaces!==g&&(g?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=g);var m=n.frontface;e.frontface!==m&&(m?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=m),this._lastMaterialId=n.id}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id);var _=t._state.pickID,y=_>>24&255,b=_>>16&255,x=_>>8&255,w=255&_;r.uniform4f(this._uPickColor,w/255,x/255,b/255,y/255),r.uniform2fv(this._uPickClipPos,e.pickClipPos),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)},Xs.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new zt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uPickColor=r.getLocation("pickColor"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null}},Xs.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastGeometryId=null};var Js=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=[];s.push("#version 300 es"),s.push("// Surface picking vertex shader"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform vec3 offset;"),i&&(s.push("uniform bool clippable;"),s.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;"));s.push("uniform vec2 pickClipPos;"),s.push("vec4 remapClipPos(vec4 clipPos) {"),s.push("    clipPos.xy /= clipPos.w;"),s.push("    clipPos.xy -= pickClipPos;"),s.push("    clipPos.xy *= clipPos.w;"),s.push("    return clipPos;"),s.push("}"),s.push("out vec4 vColor;"),r&&s.push("uniform mat4 positionsDecodeMatrix;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),r&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("   vec4 worldPosition = modelMatrix * localPosition; "),s.push("   worldPosition.xyz = worldPosition.xyz + offset;"),s.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&s.push("   vWorldPosition = worldPosition;");s.push("   vColor = color;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return s.push("gl_Position = remapClipPos(clipPos);"),s.push("}"),s}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Surface picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),s.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)s.push("if (sectionPlaneActive"+o+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = vColor;"),s.push("}"),s}(t)}));var Zs=re.vec3(),qs=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Js(t),this._allocate(t)},$s={};qs.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=$s[t];if(!i){if((i=new qs(t,e)).errors)return console.log(i.errors.join("\n")),null;$s[t]=i,ae.memory.programs++}return i._useCount++,i},qs.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete $s[this._hash],ae.memory.programs--)},qs.prototype.webglContextRestored=function(){this._program=null},qs.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry,a=t._geometry._state,l=t.origin,u=n.backfaces,c=n.frontface,A=i.camera.project,h=o._getPickTrianglePositions(),d=o._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){var p=2/(Math.log(A.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,p)}if(r.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(s.originHash,l):e.pickViewMatrix),s.clippable){var f=i._sectionPlanesState.getNumAllocatedSectionPlanes(),v=i._sectionPlanesState.sectionPlanes.length;if(f>0)for(var g=i._sectionPlanesState.sectionPlanes,m=t.renderFlags,_=0;_<f;_++){var y=this._uSectionPlanes[_];if(y)if(_<v){var b=m.sectionPlanesActivePerLayer[_];if(r.uniform1i(y.active,b?1:0),b){var x=g[_];if(l){var w=We(x.dist,x.dir,l,Zs);r.uniform3fv(y.pos,w)}else r.uniform3fv(y.pos,x.pos);r.uniform3fv(y.dir,x.dir)}}else r.uniform1i(y.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&r.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==u&&(u?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=u),e.frontface!==c&&(c?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=c),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(h,a.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT)):this._aPosition.bindArrayBuffer(h),r.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),r.enableVertexAttribArray(this._aColor.location),r.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),r.drawArrays(a.primitive,0,h.numItems/3)},qs.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new zt(i,this._shaderSource),this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._aColor=r.getAttribute("color"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}};var en=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh occlusion vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("}"),s}(t)}));var tn=re.vec3(),rn=function(e,t){this._hash=e,this._shaderSource=new en(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},sn={};rn.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";"),i=sn[t];if(!i){if((i=new rn(t,e)).errors)return console.log(i.errors.join("\n")),null;sn[t]=i,ae.memory.programs++}return i._useCount++,i},rn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete sn[this._hash],ae.memory.programs--)},rn.prototype.webglContextRestored=function(){this._program=null},rn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._material._state,n=t._state,o=t._geometry._state,a=t.origin;if(!(s.alpha<1)){if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){var l=s.backfaces;e.backfaces!==l&&(l?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=l);var u=s.frontface;e.frontface!==u&&(u?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=u),this._lastMaterialId=s.id}var c=i.camera;if(r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(n.originHash,a):c.viewMatrix),n.clippable){var A=i._sectionPlanesState.getNumAllocatedSectionPlanes(),h=i._sectionPlanesState.sectionPlanes.length;if(A>0)for(var d=i._sectionPlanesState.sectionPlanes,p=t.renderFlags,f=0;f<A;f++){var v=this._uSectionPlanes[f];if(v)if(f<h){var g=p.sectionPlanesActivePerLayer[f];if(r.uniform1i(v.active,g?1:0),g){var m=d[f];if(a){var _=We(m.dist,m.dir,a,tn);r.uniform3fv(v.pos,_)}else r.uniform3fv(v.pos,m.pos);r.uniform3fv(v.dir,m.dir)}}else r.uniform1i(v.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,c._project._state.matrix),r.uniformMatrix4fv(this._uModelMatrix,r.FALSE,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)}},rn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new zt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},rn.prototype._bindProgram=function(e){var t=this._scene,i=t.camera.project,r=t.canvas.gl;if(this._program.bind(),e.useProgram++,r.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(i.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};var nn=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,r=[];r.push("// Mesh shadow vertex shader"),r.push("in vec3 position;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 shadowViewMatrix;"),r.push("uniform mat4 shadowProjMatrix;"),r.push("uniform vec3 offset;"),i&&r.push("uniform mat4 positionsDecodeMatrix;");t&&r.push("out vec4 vWorldPosition;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),r.push("vec4 worldPosition;"),i&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("worldPosition = modelMatrix * localPosition;"),r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&r.push("vWorldPosition = worldPosition;");return r.push("   gl_Position = shadowProjMatrix * viewPosition;"),r.push("}"),r}(t),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("// Mesh shadow fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("vec4 encodeFloat( const in float depth ) {"),s.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),s.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),s.push("  vec4 comp = fract(depth * bitShift);"),s.push("  comp -= comp.xxyz * bitMask;"),s.push("  return comp;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("outColor = encodeFloat(gl_FragCoord.z);"),s.push("}"),s}(t)}));var on=function(e,t){this._hash=e,this._shaderSource=new nn(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},an={};on.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),r=an[i];if(!r){if((r=new on(i,e)).errors)return console.log(r.errors.join("\n")),null;an[i]=r,ae.memory.programs++}return r._useCount++,r},on.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete an[this._hash],ae.memory.programs--)},on.prototype.webglContextRestored=function(){this._program=null},on.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene.canvas.gl,r=t._material._state,s=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){var n=r.backfaces;e.backfaces!==n&&(n?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=n);var o=r.frontface;e.frontface!==o&&(o?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=o),e.lineWidth!==r.lineWidth&&(i.lineWidth(r.lineWidth),e.lineWidth=r.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,r.pointSize),this._lastMaterialId=r.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),s.combineGeometry){var a=t.vertexBufs;a.id!==this._lastVertexBufsId&&(a.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(a.positionsBuf,a.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=a.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),s.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,s.positionsDecodeMatrix),s.combineGeometry?s.indicesBufCombined&&(s.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),s.indicesBuf&&(s.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=s.id),s.combineGeometry?s.indicesBufCombined&&(i.drawElements(s.primitive,s.indicesBufCombined.numItems,s.indicesBufCombined.itemType,0),e.drawElements++):s.indicesBuf?(i.drawElements(s.primitive,s.indicesBuf.numItems,s.indicesBuf.itemType,0),e.drawElements++):s.positions&&(i.drawArrays(i.TRIANGLES,0,s.positions.numItems),e.drawArrays++)},on.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new zt(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},on.prototype._bindProgram=function(e){this._program||this._allocate(mesh);var t=this._scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.getNumAllocatedSectionPlanes()>0)for(var s,n,o,a=0,l=this._uSectionPlanes.length;a<l;a++)n=(s=this._uSectionPlanes[a]).active,o=r.sectionPlanes[a],n&&i.uniform1i(n,o.active),s.pos&&i.uniform3fv(s.pos,o.pos),s.dir&&i.uniform3fv(s.dir,o.dir)};var ln=function(){function e(){B(this,e),this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}return C(e,[{key:"reset",value:function(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}]),e}(),un=re.OBB3(),cn=re.vec4(),An=re.vec4(),hn=re.vec4(),dn=re.vec3([1,0,0]),pn=re.vec3([0,1,0]),fn=re.vec3([0,0,1]),vn=re.vec3(3),gn=re.vec3(3),mn=re.identityMat4(),_n=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r.originalSystemId=s.originalSystemId||r.id,r.renderFlags=new ln,r._state=new hi({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==s.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!s.stationary,background:!!s.background,billboard:r._checkBillboard(s.billboard),layer:null,colorize:null,pickID:r.scene._renderer.getPickID(b(r)),drawHash:"",pickHash:"",offset:re.vec3(),origin:null,originHash:null}),r._drawRenderer=null,r._shadowRenderer=null,r._emphasisFillRenderer=null,r._emphasisEdgesRenderer=null,r._pickMeshRenderer=null,r._pickTriangleRenderer=null,r._occlusionRenderer=null,r._geometry=s.geometry?r._checkComponent2(["ReadableGeometry","VBOGeometry"],s.geometry):r.scene.geometry,r._material=s.material?r._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],s.material):r.scene.material,r._xrayMaterial=s.xrayMaterial?r._checkComponent("EmphasisMaterial",s.xrayMaterial):r.scene.xrayMaterial,r._highlightMaterial=s.highlightMaterial?r._checkComponent("EmphasisMaterial",s.highlightMaterial):r.scene.highlightMaterial,r._selectedMaterial=s.selectedMaterial?r._checkComponent("EmphasisMaterial",s.selectedMaterial):r.scene.selectedMaterial,r._edgeMaterial=s.edgeMaterial?r._checkComponent("EdgeMaterial",s.edgeMaterial):r.scene.edgeMaterial,r._parentNode=null,r._aabb=null,r._aabbDirty=!0,r._numTriangles=r._geometry?r._geometry.numTriangles:0,r.scene._aabbDirty=!0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._worldMatrix=re.identityMat4(),r._worldNormalMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,r._worldNormalMatrixDirty=!0;var n=s.origin||s.rtcCenter;if(n&&(r._state.origin=re.vec3(n),r._state.originHash=n.join()),s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.layer=s.layer,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.parentId){var o=r.scene.components[s.parentId];o?o.isNode?o.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'"),r._parentNode=o}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)),r._parentNode=s.parent);return r.compile(),r}return C(i,[{key:"type",get:function(){return"Mesh"}},{key:"isMesh",get:function(){return!0}},{key:"parent",get:function(){return this._parentNode}},{key:"geometry",get:function(){return this._geometry}},{key:"material",get:function(){return this._material}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix},set:function(e){this.__localMatrix||(this.__localMatrix=re.identityMat4()),this.__localMatrix.set(e||mn),re.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._state.origin},set:function(e){e?(this._state.origin||(this._state.origin=re.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._state.visible},set:function(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}},{key:"xrayed",get:function(){return this._state.xrayed},set:function(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}},{key:"highlighted",get:function(){return this._state.highlighted},set:function(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}},{key:"selected",get:function(){return this._state.selected},set:function(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}},{key:"culled",get:function(){return this._state.culled},set:function(e){this._state.culled=!!e,this.glRedraw()}},{key:"clippable",get:function(){return this._state.clippable},set:function(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}},{key:"collidable",get:function(){return this._state.collidable},set:function(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"pickable",get:function(){return this._state.pickable},set:function(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._state.receivesShadow},set:function(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}},{key:"saoEnabled",get:function(){return!1}},{key:"colorize",get:function(){return this._state.colorize},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);var i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}},{key:"opacity",get:function(){return this._state.colorize[3]},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1);var i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}},{key:"transparent",get:function(){return 2===this._material.alphaMode||this._state.colorize[3]<1}},{key:"layer",get:function(){return this._state.layer},set:function(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}},{key:"stationary",get:function(){return this._state.stationary}},{key:"billboard",get:function(){return this._state.billboard}},{key:"offset",get:function(){return this._state.offset},set:function(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!0}},{key:"xrayMaterial",get:function(){return this._xrayMaterial}},{key:"highlightMaterial",get:function(){return this._highlightMaterial}},{key:"selectedMaterial",get:function(){return this._selectedMaterial}},{key:"edgeMaterial",get:function(){return this._edgeMaterial}},{key:"_checkBillboard",value:function(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}},{key:"compile",value:function(){var e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Ts.get(this),this._emphasisFillRenderer=Ns.get(this),this._emphasisEdgesRenderer=Gs.get(this));var t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Xs.get(this)),this._state.occluder){var i=this._makeOcclusionHash();this._state.occlusionHash!==i&&(this._state.occlusionHash=i,this._putOcclusionRenderer(),this._occlusionRenderer=rn.get(this))}}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_buildWorldNormalMatrix",value:function(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=re.mat4()),re.transposeMat4(this._worldMatrix,this._worldNormalMatrix),re.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}},{key:"_setAABBDirty",value:function(){if(this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}},{key:"_webglContextRestored",value:function(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}},{key:"_makeDrawHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}},{key:"_makePickHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_makeOcclusionHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_buildAABB",value:function(e,t){re.transformOBB3(e,this._geometry.obb,un),re.OBB3ToAABB3(un,t);var i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){var r=this._state.origin;t[0]+=r[0],t[1]+=r[1],t[2]+=r[2],t[3]+=r[0],t[4]+=r[1],t[5]+=r[2]}}},{key:"rotate",value:function(e,t){return cn[0]=e[0],cn[1]=e[1],cn[2]=e[2],cn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(cn,An),re.mulQuaternions(this.quaternion,An,hn),this.quaternion=hn,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return cn[0]=e[0],cn[1]=e[1],cn[2]=e[2],cn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(cn,An),re.mulQuaternions(An,this.quaternion,An),this}},{key:"rotateX",value:function(e){return this.rotate(dn,e)}},{key:"rotateY",value:function(e){return this.rotate(pn,e)}},{key:"rotateZ",value:function(e){return this.rotate(fn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,vn),re.mulVec3Scalar(vn,t,gn),re.addVec3(this.position,gn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(dn,e)}},{key:"translateY",value:function(e){return this.translate(pn,e)}},{key:"translateZ",value:function(e){return this.translate(fn,e)}},{key:"_putDrawRenderers",value:function(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}},{key:"_putPickRenderers",value:function(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}},{key:"_putOcclusionRenderer",value:function(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}},{key:"stateSortCompare",value:function(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}},{key:"_updateRenderFlags",value:function(){var e=this.renderFlags,t=this._state;if(t.xrayed){var i=this._xrayMaterial._state;i.fill&&(i.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges)this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0;if(t.selected){var r=this._selectedMaterial._state;r.fill&&(r.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){var s=this._highlightMaterial._state;s.fill&&(s.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),s.edges&&(s.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"_getActiveSectionPlanes",value:function(){if(this._state.clippable){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i],s=this.renderFlags;if(r.active)if(this._state.origin){var n=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===n)return!1;var o=0===n;s.sectionPlanesActivePerLayer[i]=o}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}},{key:"drawColorOpaque",value:function(e){(this._drawRenderer||(this._drawRenderer=Ts.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawColorTransparent",value:function(e){(this._drawRenderer||(this._drawRenderer=Ts.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawSilhouetteXRayed",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ns.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}},{key:"drawSilhouetteHighlighted",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ns.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}},{key:"drawSilhouetteSelected",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ns.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}},{key:"drawEdgesColorOpaque",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesColorTransparent",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesXRayed",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}},{key:"drawEdgesHighlighted",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}},{key:"drawEdgesSelected",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}},{key:"drawOcclusion",value:function(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=rn.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}},{key:"drawShadow",value:function(e){(this._shadowRenderer||(this._shadowRenderer=on.get(this)))&&this._shadowRenderer.drawMesh(e,this)}},{key:"drawPickMesh",value:function(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Xs.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}},{key:"canPickTriangle",value:function(){return this._geometry.isReadableGeometry}},{key:"drawPickTriangles",value:function(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=qs.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}},{key:"pickTriangleSurface",value:function(e,t,i,r){yn(this,e,t,i,r)}},{key:"drawPickVertices",value:function(e){}},{key:"delegatePickedEntity",value:function(){return this}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}]),i}(),yn=function(){var e=re.vec3(),t=re.vec3(),i=re.vec3(),r=re.vec3(),s=re.vec3(),n=re.vec3(),o=re.vec4(),a=re.vec3(),l=re.vec3(),u=re.vec3(),c=re.vec3(),A=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3(),v=re.vec4(),g=re.vec4(),m=re.vec4(),_=re.vec3(),y=re.vec3(),b=re.vec3(),x=re.vec3(),w=re.vec3(),B=re.vec3(),P=re.vec3(),C=re.vec3(),M=re.vec3(),E=re.vec3(),F=re.vec3();return function(k,I,D,S,T){var L=T.primIndex;if(null!=L&&L>-1){var R=k.geometry._state,U=k.scene,O=U.camera,N=U.canvas;if("triangles"===R.primitiveName){T.primitive="triangle";var Q,V,H,j=L,G=R.indices,z=R.positions;if(G){var W=G[j+0],K=G[j+1],X=G[j+2];n[0]=W,n[1]=K,n[2]=X,T.indices=n,Q=3*W,V=3*K,H=3*X}else H=(V=(Q=3*j)+3)+3;if(i[0]=z[Q+0],i[1]=z[Q+1],i[2]=z[Q+2],r[0]=z[V+0],r[1]=z[V+1],r[2]=z[V+2],s[0]=z[H+0],s[1]=z[H+1],s[2]=z[H+2],R.compressGeometry){var Y=R.positionsDecodeMatrix;Y&&(zi.decompressPosition(i,Y,i),zi.decompressPosition(r,Y,r),zi.decompressPosition(s,Y,s))}T.canvasPos?re.canvasPosToLocalRay(N.canvas,k.origin?He(I,k.origin):I,D,S,k.worldMatrix,T.canvasPos,e,t):T.origin&&T.direction&&re.worldRayToLocalRay(k.worldMatrix,T.origin,T.direction,e,t),re.normalizeVec3(t),re.rayPlaneIntersect(e,t,i,r,s,o),T.localPos=o,T.position=o,v[0]=o[0],v[1]=o[1],v[2]=o[2],v[3]=1,re.transformVec4(k.worldMatrix,v,g),a[0]=g[0],a[1]=g[1],a[2]=g[2],T.canvasPos&&k.origin&&(a[0]+=k.origin[0],a[1]+=k.origin[1],a[2]+=k.origin[2]),T.worldPos=a,re.transformVec4(O.matrix,g,m),l[0]=m[0],l[1]=m[1],l[2]=m[2],T.viewPos=l,re.cartesianToBarycentric(o,i,r,s,u),T.bary=u;var J=R.normals;if(J){if(R.compressGeometry){var Z=3*W,q=3*K,$=3*X;zi.decompressNormal(J.subarray(Z,Z+2),c),zi.decompressNormal(J.subarray(q,q+2),A),zi.decompressNormal(J.subarray($,$+2),h)}else c[0]=J[Q],c[1]=J[Q+1],c[2]=J[Q+2],A[0]=J[V],A[1]=J[V+1],A[2]=J[V+2],h[0]=J[H],h[1]=J[H+1],h[2]=J[H+2];var ee=re.addVec3(re.addVec3(re.mulVec3Scalar(c,u[0],_),re.mulVec3Scalar(A,u[1],y),b),re.mulVec3Scalar(h,u[2],x),w);T.worldNormal=re.normalizeVec3(re.transformVec3(k.worldNormalMatrix,ee,B))}var te=R.uv;if(te){if(d[0]=te[2*W],d[1]=te[2*W+1],p[0]=te[2*K],p[1]=te[2*K+1],f[0]=te[2*X],f[1]=te[2*X+1],R.compressGeometry){var ie=R.uvDecodeMatrix;ie&&(zi.decompressUV(d,ie,d),zi.decompressUV(p,ie,p),zi.decompressUV(f,ie,f))}T.uv=re.addVec3(re.addVec3(re.mulVec2Scalar(d,u[0],P),re.mulVec2Scalar(p,u[1],C),M),re.mulVec2Scalar(f,u[2],E),F)}}}}}();function bn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);var i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);var r=e.height||1;r<0&&(console.error("negative height not allowed - will invert"),r*=-1);var s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<3&&(s=3);var n=e.heightSegments||1;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n<1&&(n=1);var o,a,l,u,c,A,h,d,p,f,v,g=!!e.openEnded,m=e.center,_=m?m[0]:0,y=m?m[1]:0,b=m?m[2]:0,x=r/2,w=r/n,B=2*Math.PI/s,P=1/s,C=(t-i)/n,M=[],E=[],F=[],k=[],I=(90-180*Math.atan(r/(i-t))/Math.PI)/90;for(o=0;o<=n;o++)for(c=t-o*C,A=x-o*w,a=0;a<=s;a++)l=Math.sin(a*B),u=Math.cos(a*B),E.push(c*l),E.push(I),E.push(c*u),F.push(a*P),F.push(1*o/n),M.push(c*l+_),M.push(A+y),M.push(c*u+b);for(o=0;o<n;o++)for(a=0;a<=s;a++)d=(h=o*(s+1)+a)+s,k.push(h),k.push(d),k.push(d+1),k.push(h),k.push(d+1),k.push(h+1);if(!g&&t>0){for(p=M.length/3,E.push(0),E.push(1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(x+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*B),u=Math.cos(a*B),f=.5*Math.sin(a*B)+.5,v=.5*Math.cos(a*B)+.5,E.push(t*l),E.push(1),E.push(t*u),F.push(f),F.push(v),M.push(t*l+_),M.push(x+y),M.push(t*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(h),k.push(h+1),k.push(m)}if(!g&&i>0){for(p=M.length/3,E.push(0),E.push(-1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(0-x+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*B),u=Math.cos(a*B),f=.5*Math.sin(a*B)+.5,v=.5*Math.cos(a*B)+.5,E.push(i*l),E.push(-1),E.push(i*u),F.push(f),F.push(v),M.push(i*l+_),M.push(0-x+y),M.push(i*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(m),k.push(h+1),k.push(h)}return he.apply(e,{positions:M,normals:E,uv:F,indices:k})}function xn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.lod||1,i=e.center?e.center[0]:0,r=e.center?e.center[1]:0,s=e.center?e.center[2]:0,n=e.radius||1;n<0&&(console.error("negative radius not allowed - will invert"),n*=-1);var o=e.heightSegments||18;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),(o=Math.floor(t*o))<18&&(o=18);var a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),(a=Math.floor(t*a))<18&&(a=18);var l,u,c,A,h,d,p,f,v,g,m,_,y,b,x=[],w=[],B=[],P=[];for(l=0;l<=o;l++)for(c=l*Math.PI/o,A=Math.sin(c),h=Math.cos(c),u=0;u<=a;u++)d=2*u*Math.PI/a,p=Math.sin(d),f=Math.cos(d)*A,v=h,g=p*A,m=1-u/a,_=l/o,w.push(f),w.push(v),w.push(g),B.push(m),B.push(_),x.push(i+n*f),x.push(r+n*v),x.push(s+n*g);for(l=0;l<o;l++)for(u=0;u<a;u++)b=(y=l*(a+1)+u)+a+1,P.push(y+1),P.push(b+1),P.push(b),P.push(y+1),P.push(b),P.push(y);return 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Xi(o,Bn({text:"X",size:1.5})),material:A,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[7,0,0],billboard:"spherical"}),new _n(o,{geometry:l,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,5,0]}),new _n(o,{geometry:u,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,2,0]}),new _n(o,{geometry:new Xi(o,Bn({text:"Y",size:1.5})),material:d,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,7,0],billboard:"spherical"}),new _n(o,{geometry:l,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,5],rotation:[90,0,0]}),new _n(o,{geometry:u,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,2],rotation:[90,0,0]}),new _n(o,{geometry:new Xi(o,Bn({text:"Z",size:1.5})),material:f,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,7],billboard:"spherical"})],s}return C(i,[{key:"setVisible",value:function(e){for(var t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}},{key:"destroy",value:function(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}();re.vec3();var Cn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({active:!0,pos:re.vec3(),dir:re.vec3(),dist:0}),r.active=s.active,r.pos=s.pos,r.dir=s.dir,r.scene._sectionPlaneCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"SectionPlane"}},{key:"active",get:function(){return this._state.active},set:function(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dist",get:function(){return this._state.dist}},{key:"flipDir",value:function(){re.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}},{key:"destroy",value:function(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Mn=re.vec4(4),En=re.vec4(),Fn=re.vec4(),kn=re.vec3([1,0,0]),In=re.vec3([0,1,0]),Dn=re.vec3([0,0,1]),Sn=re.vec3(3),Tn=re.vec3(3),Ln=re.identityMat4(),Rn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e,s))._parentNode=null,r._children=[],r._aabb=null,r._aabbDirty=!0,r.scene._aabbDirty=!0,r._numTriangles=0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._offset=re.vec3(),r._localMatrix=re.identityMat4(),r._worldMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r.origin=s.origin,r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.children)for(var n=s.children,o=0,a=n.length;o<a;o++)r.addChild(n[o],s.inheritStates);if(s.parentId){var l=r.scene.components[s.parentId];l?l.isNode?l.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'")}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)));return r}return C(i,[{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._origin},set:function(e){e?(this._origin||(this._origin=re.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(var t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}},{key:"xrayed",get:function(){return this._xrayed},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}},{key:"selected",get:function(){return this._selected},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}},{key:"edges",get:function(){return this._edges},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}},{key:"pickable",get:function(){return this._pickable},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}},{key:"colorize",get:function(){return this._colorize.slice(0,3)},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(var i=0,r=this._children.length;i<r;i++)this._children[i].colorize=t;if(this._isObject){var s=!!e;this.scene._objectColorizeUpdated(this,s)}}},{key:"opacity",get:function(){return this._colorize[3]},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(var i=0,r=this._children.length;i<r;i++)this._children[i].opacity=e;if(this._isObject){var s=null!=e;this.scene._objectOpacityUpdated(this,s)}}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){e=!!e,this._castsShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){e=!!e,this._receivesShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}},{key:"saoEnabled",get:function(){return!1}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this._children.length;t<i;t++)this._children[t].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}},{key:"isNode",get:function(){return!0}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._children)for(var t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}},{key:"_setAABBDirty",value:function(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{var e;re.collapseAABB3(this._aabb);for(var t=0,i=this._children.length;t<i;t++)(e=this._children[t]).collidable&&re.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}},{key:"addChild",value:function(e,t){if(he.isNumeric(e)||he.isString(e)){var i=e;if(!(e=this.scene.component[i]))return void this.warn("Component not found: "+he.inQuotes(i));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+i)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}},{key:"removeChild",value:function(e){for(var t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}},{key:"removeChildren",value:function(){for(var e,t=0,i=this._children.length;t<i;t++)(e=this._children[t])._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}},{key:"numChildren",get:function(){return this._children.length}},{key:"children",get:function(){return this._children}},{key:"parent",get:function(){return this._parentNode},set:function(e){if(he.isNumeric(e)||he.isString(e)){var t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+he.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||Ln),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Mn[0]=e[0],Mn[1]=e[1],Mn[2]=e[2],Mn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Mn,En),re.mulQuaternions(this.quaternion,En,Fn),this.quaternion=Fn,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Mn[0]=e[0],Mn[1]=e[1],Mn[2]=e[2],Mn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Mn,En),re.mulQuaternions(En,this.quaternion,En),this}},{key:"rotateX",value:function(e){return this.rotate(kn,e)}},{key:"rotateY",value:function(e){return this.rotate(In,e)}},{key:"rotateZ",value:function(e){return this.rotate(Dn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,Sn),re.mulVec3Scalar(Sn,t,Tn),re.addVec3(this.position,Tn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(kn,e)}},{key:"translateY",value:function(e){return this.translate(In,e)}},{key:"translateZ",value:function(e){return this.translate(Dn,e)}},{key:"type",get:function(){return"Node"}},{key:"destroy",value:function(){if(f(x(i.prototype),"destroy",this).call(this),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length)for(var e=this._children.splice(),t=0,r=e.length;t<r;t++)e[t].destroy();this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}]),i}(),Un=function(e){g(i,Ji);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"LambertMaterial",ambient:re.vec3([1,1,1]),color:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),r.ambient=s.ambient,r.color=s.color,r.emissive=s.emissive,r.alpha=s.alpha,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r.backfaces=s.backfaces,r.frontface=s.frontface,r}return C(i,[{key:"type",get:function(){return"LambertMaterial"}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){var t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),On={opaque:0,mask:1,blend:2},Nn=["opaque","mask","blend"],Qn=function(e){g(i,Ji);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"MetallicMaterial",baseColor:re.vec4([1,1,1]),emissive:re.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.baseColor=s.baseColor,r.metallic=s.metallic,r.roughness=s.roughness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.baseColorMap&&(r._baseColorMap=r._checkComponent("Texture",s.baseColorMap)),s.metallicMap&&(r._metallicMap=r._checkComponent("Texture",s.metallicMap)),s.roughnessMap&&(r._roughnessMap=r._checkComponent("Texture",s.roughnessMap)),s.metallicRoughnessMap&&(r._metallicRoughnessMap=r._checkComponent("Texture",s.metallicRoughnessMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"MetallicMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"baseColor",get:function(){return this._state.baseColor},set:function(e){var t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"baseColorMap",get:function(){return this._baseColorMap}},{key:"metallic",get:function(){return this._state.metallic},set:function(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}},{key:"metallicMap",get:function(){return this._attached.metallicMap}},{key:"roughness",get:function(){return this._state.roughness},set:function(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}},{key:"roughnessMap",get:function(){return this._attached.roughnessMap}},{key:"metallicRoughnessMap",get:function(){return this._attached.metallicRoughnessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._attached.emissiveMap}},{key:"occlusionMap",get:function(){return this._attached.occlusionMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._attached.alphaMap}},{key:"normalMap",get:function(){return this._attached.normalMap}},{key:"alphaMode",get:function(){return Nn[this._state.alphaMode]},set:function(e){var t=On[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Vn={opaque:0,mask:1,blend:2},Hn=["opaque","mask","blend"],jn=function(e){g(i,Ji);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"SpecularMaterial",diffuse:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),specular:re.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.diffuse=s.diffuse,r.specular=s.specular,r.glossiness=s.glossiness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.glossinessMap&&(r._glossinessMap=r._checkComponent("Texture",s.glossinessMap)),s.specularGlossinessMap&&(r._specularGlossinessMap=r._checkComponent("Texture",s.specularGlossinessMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"SpecularMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specularMap",get:function(){return this._specularMap}},{key:"specularGlossinessMap",get:function(){return this._specularGlossinessMap}},{key:"glossiness",get:function(){return this._state.glossiness},set:function(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}},{key:"glossinessMap",get:function(){return this._glossinessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"normalMap",get:function(){return this._normalMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"alphaMode",get:function(){return Hn[this._state.alphaMode]},set:function(e){var t=Vn[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function Gn(e,t){var i,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,s=t;if(1009===s)return e.UNSIGNED_BYTE;if(1017===s)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===s)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===s)return e.BYTE;if(1011===s)return e.SHORT;if(1012===s)return e.UNSIGNED_SHORT;if(1013===s)return e.INT;if(1014===s)return e.UNSIGNED_INT;if(1015===s)return e.FLOAT;if(1016===s)return e.HALF_FLOAT;if(1021===s)return e.ALPHA;if(1023===s)return e.RGBA;if(1024===s)return e.LUMINANCE;if(1025===s)return e.LUMINANCE_ALPHA;if(1026===s)return e.DEPTH_COMPONENT;if(1027===s)return e.DEPTH_STENCIL;if(1028===s)return e.RED;if(1022===s)return e.RGBA;if(1029===s)return e.RED_INTEGER;if(1030===s)return e.RG;if(1031===s)return e.RG_INTEGER;if(1033===s)return e.RGBA_INTEGER;if(33776===s||33777===s||33778===s||33779===s)if(3001===r){var n=li(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===n)return null;if(33776===s)return n.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(null===(i=li(e,"WEBGL_compressed_texture_s3tc")))return null;if(33776===s)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===s)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===s)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===s)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===s||35841===s||35842===s||35843===s){var o=li(e,"WEBGL_compressed_texture_pvrtc");if(null===o)return null;if(35840===s)return o.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===s)return o.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===s)return o.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===s)return o.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===s){var a=li(e,"WEBGL_compressed_texture_etc1");return null!==a?a.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===s||37496===s){var l=li(e,"WEBGL_compressed_texture_etc");if(null===l)return null;if(37492===s)return 3001===r?l.COMPRESSED_SRGB8_ETC2:l.COMPRESSED_RGB8_ETC2;if(37496===s)return 3001===r?l.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:l.COMPRESSED_RGBA8_ETC2_EAC}if(37808===s||37809===s||37810===s||37811===s||37812===s||37813===s||37814===s||37815===s||37816===s||37817===s||37818===s||37819===s||37820===s||37821===s){var u=li(e,"WEBGL_compressed_texture_astc");if(null===u)return null;if(37808===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:u.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:u.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:u.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:u.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:u.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:u.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:u.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:u.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:u.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:u.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:u.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:u.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:u.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:u.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===s){var c=li(e,"EXT_texture_compression_bptc");if(null===c)return null;if(36492===s)return 3001===r?c.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:c.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===s?e.UNSIGNED_INT_24_8:1e3===s?e.REPEAT:1001===s?e.CLAMP_TO_EDGE:1004===s||1005===s?e.NEAREST_MIPMAP_LINEAR:1007===s?e.LINEAR_MIPMAP_NEAREST:1008===s?e.LINEAR_MIPMAP_LINEAR:1003===s?e.NEAREST:1006===s?e.LINEAR:null}var zn=new Uint8Array([0,0,0,1]),Wn=function(){function e(t){var i=t.gl,r=t.target,s=t.format,n=t.type,o=t.wrapS,a=t.wrapT,l=t.wrapR,u=t.encoding,c=t.preloadColor,A=t.premultiplyAlpha,h=t.flipY;B(this,e),this.gl=i,this.target=r||i.TEXTURE_2D,this.format=s||1023,this.type=n||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=o||1e3,this.wrapT=a||1e3,this.wrapR=l||1e3,this.encoding=u||3001,this.texture=i.createTexture(),c&&this.setPreloadColor(c),this.allocated=!0}return C(e,[{key:"setPreloadColor",value:function(e){e?(zn[0]=Math.floor(255*e[0]),zn[1]=Math.floor(255*e[1]),zn[2]=Math.floor(255*e[2]),zn[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(zn[0]=0,zn[1]=0,zn[2]=0,zn[3]=255);var t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP)for(var i=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z],r=0,s=i.length;r<s;r++)t.texImage2D(i[r],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,zn);else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,zn);t.bindTexture(this.target,null)}},{key:"setTarget",value:function(e){this.target=e||this.gl.TEXTURE_2D}},{key:"setImage",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);var r=!1;i.bindTexture(this.target,this.texture);var s=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);var n=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);var o=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);var a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);var l=Gn(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(r=!0);var u=Gn(i,this.magFilter);u&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,u);var c=Gn(i,this.wrapS);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,c);var A=Gn(i,this.wrapT);A&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,A);var h=Gn(i,this.format,this.encoding),d=Gn(i,this.type),p=Kn(i,this.internalFormat,h,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(he.isArray(e))for(var f=e,v=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z],g=0,m=v.length;g<m;g++)i.texImage2D(v[g],0,p,h,d,f[g])}else i.texImage2D(i.TEXTURE_2D,0,p,h,d,e);r&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,s),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n),i.pixelStorei(i.UNPACK_ALIGNMENT,o),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}},{key:"setCompressedData",value:function(e){var t=e.mipmaps,i=e.props,r=void 0===i?{}:i,s=this.gl,n=t.length;void 0!==r.format&&(this.format=r.format),void 0!==r.internalFormat&&(this.internalFormat=r.internalFormat),void 0!==r.encoding&&(this.encoding=r.encoding),void 0!==r.type&&(this.type=r.type),void 0!==r.flipY&&(this.flipY=r.flipY),void 0!==r.premultiplyAlpha&&(this.premultiplyAlpha=r.premultiplyAlpha),void 0!==r.unpackAlignment&&(this.unpackAlignment=r.unpackAlignment),void 0!==r.minFilter&&(this.minFilter=r.minFilter),void 0!==r.magFilter&&(this.magFilter=r.magFilter),void 0!==r.wrapS&&(this.wrapS=r.wrapS),void 0!==r.wrapT&&(this.wrapT=r.wrapT),void 0!==r.wrapR&&(this.wrapR=r.wrapR),s.activeTexture(s.TEXTURE0+0),s.bindTexture(this.target,this.texture);var o=t.length>1;s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,this.flipY),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),s.pixelStorei(s.UNPACK_ALIGNMENT,this.unpackAlignment),s.pixelStorei(s.UNPACK_COLORSPACE_CONVERSION_WEBGL,s.NONE);var a=Gn(s,this.wrapS);a&&s.texParameteri(this.target,s.TEXTURE_WRAP_S,a);var l=Gn(s,this.wrapT);if(l&&s.texParameteri(this.target,s.TEXTURE_WRAP_T,l),this.type===s.TEXTURE_3D||this.type===s.TEXTURE_2D_ARRAY){var u=Gn(s,this.wrapR);u&&s.texParameteri(this.target,s.TEXTURE_WRAP_R,u),s.texParameteri(this.type,s.TEXTURE_WRAP_R,u)}o?(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,Xn(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,Xn(s,this.magFilter))):(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,Gn(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,Gn(s,this.magFilter)));var c=Gn(s,this.format,this.encoding),A=Gn(s,this.type),h=Kn(s,this.internalFormat,c,A,this.encoding,!1);s.texStorage2D(s.TEXTURE_2D,n,h,t[0].width,t[0].height);for(var d=0,p=t.length;d<p;d++){var f=t[d];1023!==this.format?null!==c?s.compressedTexSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,c,f.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):s.texSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,c,A,f.data)}s.bindTexture(this.target,null)}},{key:"setProps",value:function(e){var t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}},{key:"_uploadProps",value:function(e){var t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){var i=Gn(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){var r=Gn(t,e.magFilter);r&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,r))}if(void 0!==e.wrapS){var s=Gn(t,e.wrapS);s&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,s))}if(void 0!==e.wrapT){var n=Gn(t,e.wrapT);n&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,n))}}},{key:"bind",value:function(e){if(this.allocated){if(this.texture){var t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}},{key:"unbind",value:function(e){if(this.allocated&&this.texture){var t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}},{key:"destroy",value:function(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}]),e}();function Kn(e,t,i,r,s){var n=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}var o=i;return i===e.RED&&(r===e.FLOAT&&(o=e.R32F),r===e.HALF_FLOAT&&(o=e.R16F),r===e.UNSIGNED_BYTE&&(o=e.R8)),i===e.RG&&(r===e.FLOAT&&(o=e.RG32F),r===e.HALF_FLOAT&&(o=e.RG16F),r===e.UNSIGNED_BYTE&&(o=e.RG8)),i===e.RGBA&&(r===e.FLOAT&&(o=e.RGBA32F),r===e.HALF_FLOAT&&(o=e.RGBA16F),r===e.UNSIGNED_BYTE&&(o=3001===s&&!1===n?e.SRGB8_ALPHA8:e.RGBA8),r===e.UNSIGNED_SHORT_4_4_4_4&&(o=e.RGBA4),r===e.UNSIGNED_SHORT_5_5_5_1&&(o=e.RGB5_A1)),o!==e.R16F&&o!==e.R32F&&o!==e.RG16F&&o!==e.RG32F&&o!==e.RGBA16F&&o!==e.RGBA32F||li(e,"EXT_color_buffer_float"),o}function Xn(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Yn(e){if(!Jn(e.width)||!Jn(e.height)){var t=document.createElement("canvas");t.width=Zn(e.width),t.height=Zn(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Jn(e){return 0==(e&e-1)}function Zn(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var qn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({texture:new Wn({gl:r.scene.canvas.gl}),matrix:re.identityMat4(),hasMatrix:s.translate&&(0!==s.translate[0]||0!==s.translate[1])||!!s.rotate||s.scale&&(0!==s.scale[0]||0!==s.scale[1]),minFilter:r._checkMinFilter(s.minFilter),magFilter:r._checkMagFilter(s.magFilter),wrapS:r._checkWrapS(s.wrapS),wrapT:r._checkWrapT(s.wrapT),flipY:r._checkFlipY(s.flipY),encoding:r._checkEncoding(s.encoding)}),r._src=null,r._image=null,r._translate=re.vec2([0,0]),r._scale=re.vec2([1,1]),r._rotate=re.vec2([0,0]),r._matrixDirty=!1,r.translate=s.translate,r.scale=s.scale,r.rotate=s.rotate,s.src?r.src=s.src:s.image&&(r.image=s.image),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"Texture"}},{key:"_checkMinFilter",value:function(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}},{key:"_checkMagFilter",value:function(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}},{key:"_checkWrapS",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkWrapT",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this._state.texture=new Wn({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}},{key:"_update",value:function(){var e,t,i=this._state;this._matrixDirty&&(0===this._translate[0]&&0===this._translate[1]||(e=re.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(t=re.scalingMat4v([this._scale[0],this._scale[1],1]),e=e?re.mulMat4(e,t):t),0!==this._rotate&&(t=re.rotationMat4v(.0174532925*this._rotate,[0,0,1]),e=e?re.mulMat4(e,t):t),e&&(i.matrix=e),this._matrixDirty=!1);this.glRedraw()}},{key:"image",get:function(){return this._image},set:function(e){this._image=Yn(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}},{key:"src",get:function(){return this._src},set:function(e){this.scene.loading++,this.scene.canvas.spinner.processes++;var t=this,i=new Image;i.onload=function(){i=Yn(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}},{key:"translate",get:function(){return this._translate},set:function(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}},{key:"rotate",get:function(){return this._rotate},set:function(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}},{key:"minFilter",get:function(){return this._state.minFilter}},{key:"magFilter",get:function(){return this._state.magFilter}},{key:"wrapS",get:function(){return this._state.wrapS}},{key:"wrapT",get:function(){return this._state.wrapT}},{key:"flipY",get:function(){return this._state.flipY}},{key:"encoding",get:function(){return this._state.encoding}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),ae.memory.textures--}}]),i}(),$n=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({edgeColor:re.vec3([0,0,0]),centerColor:re.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),r.edgeColor=s.edgeColor,r.centerColor=s.centerColor,r.edgeBias=s.edgeBias,r.centerBias=s.centerBias,r.power=s.power,r}return C(i,[{key:"type",get:function(){return"Fresnel"}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}},{key:"centerColor",get:function(){return this._state.centerColor},set:function(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}},{key:"edgeBias",get:function(){return this._state.edgeBias},set:function(e){this._state.edgeBias=e||0,this.glRedraw()}},{key:"centerBias",get:function(){return this._state.centerBias},set:function(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}},{key:"power",get:function(){return this._state.power},set:function(e){this._state.power=null!=e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),eo=ae.memory,to=re.AABB3(),io=function(e){g(i,Ui);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._state=new hi({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._aabb=null,r._obb=re.OBB3();var n,o=r._state,a=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":o.primitive=a.POINTS,o.primitiveName=s.primitive;break;case"lines":o.primitive=a.LINES,o.primitiveName=s.primitive;break;case"line-loop":o.primitive=a.LINE_LOOP,o.primitiveName=s.primitive;break;case"line-strip":o.primitive=a.LINE_STRIP,o.primitiveName=s.primitive;break;case"triangles":o.primitive=a.TRIANGLES,o.primitiveName=s.primitive;break;case"triangle-strip":o.primitive=a.TRIANGLE_STRIP,o.primitiveName=s.primitive;break;case"triangle-fan":o.primitive=a.TRIANGLE_FAN,o.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),o.primitive=a.TRIANGLES,o.primitiveName=s.primitive}if(!s.positions)return r.error("Config expected: positions"),y(r);if(!s.indices)return r.error("Config expected: indices"),y(r);var l=s.positionsDecodeMatrix;if(l);else{var u=zi.getPositionsBounds(s.positions),c=zi.compressPositions(s.positions,u.min,u.max);n=c.quantized,o.positionsDecodeMatrix=c.decodeMatrix,o.positionsBuf=new Wt(a,a.ARRAY_BUFFER,n,n.length,3,a.STATIC_DRAW),eo.positions+=o.positionsBuf.numItems,re.positions3ToAABB3(s.positions,r._aabb),re.positions3ToAABB3(n,to,o.positionsDecodeMatrix),re.AABB3ToOBB3(to,r._obb)}if(s.colors){var A=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors);o.colorsBuf=new Wt(a,a.ARRAY_BUFFER,A,A.length,4,a.STATIC_DRAW),eo.colors+=o.colorsBuf.numItems}if(s.uv){var h=zi.getUVBounds(s.uv),d=zi.compressUVs(s.uv,h.min,h.max),p=d.quantized;o.uvDecodeMatrix=d.decodeMatrix,o.uvBuf=new Wt(a,a.ARRAY_BUFFER,p,p.length,2,a.STATIC_DRAW),eo.uvs+=o.uvBuf.numItems}if(s.normals){var f=zi.compressNormals(s.normals),v=o.compressGeometry;o.normalsBuf=new Wt(a,a.ARRAY_BUFFER,f,f.length,3,a.STATIC_DRAW,v),eo.normals+=o.normalsBuf.numItems}var g=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices);o.indicesBuf=new Wt(a,a.ELEMENT_ARRAY_BUFFER,g,g.length,1,a.STATIC_DRAW),eo.indices+=o.indicesBuf.numItems;var m=Oi(n,g,o.positionsDecodeMatrix,r._edgeThreshold);return r._edgeIndicesBuf=new Wt(a,a.ELEMENT_ARRAY_BUFFER,m,m.length,1,a.STATIC_DRAW),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3),r._buildHash(),eo.meshes++,r}return C(i,[{key:"type",get:function(){return"VBOGeometry"}},{key:"isVBOGeometry",get:function(){return!0}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"aabb",get:function(){return this._aabb}},{key:"obb",get:function(){return this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),eo.meshes--}}]),i}(),ro={};function so(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("load3DSGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),s.processes--,r());var n=ro.parse.from3DS(e).edit.objects[0].mesh,o=n.vertices,a=n.uvt,l=n.indices;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),s.processes--,r()}))}))}function no(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),s.processes--,r());for(var n=ro.parse.fromOBJ(e),o=ro.edit.unwrap(n.i_verts,n.c_verts,3),a=ro.edit.unwrap(n.i_norms,n.c_norms,3),l=ro.edit.unwrap(n.i_uvt,n.c_uvt,2),u=new Int32Array(n.i_verts.length),c=0;c<n.i_verts.length;c++)u[c]=c;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:u}))}),(function(e){console.error("loadOBJGeometry: "+e),s.processes--,r()}))}))}function oo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,c=-r+a,A=t+n,h=i+o,d=r+a;return he.apply(e,{primitive:"lines",positions:[l,u,c,l,u,d,l,h,c,l,h,d,A,u,c,A,u,d,A,h,c,A,h,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function ao(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return oo({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function lo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);var i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1);for(var r=(t=t||10)/(i=i||10),s=t/2,n=[],o=[],a=0,l=0,u=-s;l<=i;l++,u+=r)n.push(-s),n.push(0),n.push(u),n.push(s),n.push(0),n.push(u),n.push(u),n.push(0),n.push(-s),n.push(u),n.push(0),n.push(s),o.push(a++),o.push(a++),o.push(a++),o.push(a++);return he.apply(e,{primitive:"lines",positions:n,indices:o})}function uo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);var r=e.xSegments||1;r<0&&(console.error("negative xSegments not allowed - will invert"),r*=-1),r<1&&(r=1);var s=e.xSegments||1;s<0&&(console.error("negative zSegments not allowed - will invert"),s*=-1),s<1&&(s=1);var n,o,a,l,u,c,A,h=e.center,d=h?h[0]:0,p=h?h[1]:0,f=h?h[2]:0,v=t/2,g=i/2,m=Math.floor(r)||1,_=Math.floor(s)||1,y=m+1,b=_+1,x=t/m,w=i/_,B=new Float32Array(y*b*3),P=new Float32Array(y*b*3),C=new Float32Array(y*b*2),M=0,E=0;for(n=0;n<b;n++){var F=n*w-g;for(o=0;o<y;o++)a=o*x-v,B[M]=a+d,B[M+1]=p,B[M+2]=-F+f,P[M+2]=-1,C[E]=o/m,C[E+1]=(_-n)/_,M+=3,E+=2}M=0;var 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i=ro.bin.ril(e,2),r=6;r<i;){var s=ro.bin.rsl(e,r),n=ro.bin.ril(e,r+2);15677==s&&(t.edit=ro.parse.from3DS._edit3ds(e,r,n)),45056==s&&(t.keyf=ro.parse.from3DS._keyf3ds(e,r,n)),r+=n}return t},ro.parse.from3DS._edit3ds=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=ro.bin.rsl(e,s),o=ro.bin.ril(e,s+2);16384==n&&(null==r.objects&&(r.objects=[]),r.objects.push(ro.parse.from3DS._edit_object(e,s,o))),s+=o}return r},ro.parse.from3DS._keyf3ds=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=ro.bin.rsl(e,s),o=ro.bin.ril(e,s+2);45058==n&&(null==r.desc&&(r.desc=[]),r.desc.push(ro.parse.from3DS._keyf_objdes(e,s,o))),s+=o}return r},ro.parse.from3DS._keyf_objdes=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=ro.bin.rsl(e,s),o=ro.bin.ril(e,s+2);45072==n&&(r.hierarchy=ro.parse.from3DS._keyf_objhierarch(e,s,o)),45073==n&&(r.dummy_name=ro.bin.rASCII0(e,s+6)),s+=o}return r},ro.parse.from3DS._keyf_objhierarch=function(e,t,i){var r={},s=t+6;return r.name=ro.bin.rASCII0(e,s),s+=r.name.length+1,r.hierarchy=ro.bin.rsl(e,s+4),r},ro.parse.from3DS._edit_object=function(e,t,i){var r={},s=t+6;for(r.name=ro.bin.rASCII0(e,s),s+=r.name.length+1;s<t+i;){var n=ro.bin.rsl(e,s),o=ro.bin.ril(e,s+2);16640==n&&(r.mesh=ro.parse.from3DS._obj_trimesh(e,s,o)),s+=o}return r},ro.parse.from3DS._obj_trimesh=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=ro.bin.rsl(e,s),o=ro.bin.ril(e,s+2);16656==n&&(r.vertices=ro.parse.from3DS._tri_vertexl(e,s,o)),16672==n&&(r.indices=ro.parse.from3DS._tri_facel1(e,s,o)),16704==n&&(r.uvt=ro.parse.from3DS._tri_mappingcoors(e,s,o)),16736==n&&(r.local=ro.parse.from3DS._tri_local(e,s,o)),s+=o}return r},ro.parse.from3DS._tri_vertexl=function(e,t,i){var r=[],s=t+6,n=ro.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(ro.bin.rf(e,s)),r.push(ro.bin.rf(e,s+4)),r.push(ro.bin.rf(e,s+8)),s+=12;return r},ro.parse.from3DS._tri_facel1=function(e,t,i){var r=[],s=t+6,n=ro.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(ro.bin.rsl(e,s)),r.push(ro.bin.rsl(e,s+2)),r.push(ro.bin.rsl(e,s+4)),s+=8;return r},ro.parse.from3DS._tri_mappingcoors=function(e,t,i){var r=[],s=t+6,n=ro.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(ro.bin.rf(e,s)),r.push(1-ro.bin.rf(e,s+4)),s+=8;return r},ro.parse.from3DS._tri_local=function(e,t,i){var r={},s=t+6;return r.X=[ro.bin.rf(e,s),ro.bin.rf(e,s+4),ro.bin.rf(e,s+8)],s+=12,r.Y=[ro.bin.rf(e,s),ro.bin.rf(e,s+4),ro.bin.rf(e,s+8)],s+=12,r.Z=[ro.bin.rf(e,s),ro.bin.rf(e,s+4),ro.bin.rf(e,s+8)],s+=12,r.C=[ro.bin.rf(e,s),ro.bin.rf(e,s+4),ro.bin.rf(e,s+8)],s+=12,r},ro.parse.fromBIV=function(e){e=new Uint8Array(e);var t={},i={};return i.id=ro.bin.ril(e,0),i.verS=ro.bin.ril(e,4),i.texS=ro.bin.ril(e,8),i.indS=ro.bin.ril(e,12),i.verO=ro.bin.ril(e,16),i.verL=ro.bin.ril(e,20),i.texO=ro.bin.ril(e,24),i.texL=ro.bin.ril(e,28),i.indO=ro.bin.ril(e,32),i.indL=ro.bin.ril(e,36),0!=i.verO&&(t.vertices=ro.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=ro.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=ro.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},ro.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var r=32;t<=65535&&(r=16);var s=40;e.vertices&&(s+=4*e.vertices.length),e.uvt&&(s+=4*e.uvt.length),e.indices&&(s+=e.indices.length*r/8);var n=new Uint8Array(s);ro.bin.wil(n,0,1769365870),ro.bin.wil(n,4,32),ro.bin.wil(n,8,32),ro.bin.wil(n,12,r);var o=40;return e.vertices&&(ro.bin.wil(n,16,o),ro.bin.wil(n,20,4*e.vertices.length),ro.parse.fromBIV._writeFloats(n,o,e.vertices),o+=4*e.vertices.length),e.uvt&&(ro.bin.wil(n,24,o),ro.bin.wil(n,28,4*e.uvt.length),ro.parse.fromBIV._writeFloats(n,o,e.uvt),o+=4*e.uvt.length),e.indices&&(ro.bin.wil(n,32,o),ro.bin.wil(n,36,4*e.indices.length),ro.parse.fromBIV._writeInts(n,o,e.indices,r)),n.buffer},ro.parse.fromBIV._readFloats=function(e,t,i){for(var r=[],s=0;s<i/4;s++)r.push(ro.bin.rf(e,t+4*s));return r},ro.parse.fromBIV._writeFloats=function(e,t,i){for(var r=0;r<i.length;r++)ro.bin.wf(e,t+4*r,i[r])},ro.parse.fromBIV._readInts=function(e,t,i,r){for(var s=[],n=0;n<i/4;n++)16==r&&s.push(ro.bin.rsl(e,t+2*n)),32==r&&s.push(ro.bin.ril(e,t+4*n));return s},ro.parse.fromBIV._writeInts=function(e,t,i,r){for(var s=0;s<i.length;s++)16==r&&ro.bin.wsl(e,t+2*s,i[s]),32==r&&ro.bin.wil(e,t+4*s,i[s])},ro.gen={},ro.gen.Plane=function(e,t,i,r){i||(i=1),r||(r=1);for(var s={verts:[],inds:[],uvt:[]},n=e+1,o=t+1,a=0;a<o;a++)for(var l=0;l<n;l++){var u=l*(2/e)-1,c=a*(2/t)-1;s.verts.push(u,c,0),s.uvt.push(i*l/e,r*a/t),a<t&&l<e&&s.inds.push(a*n+l,a*n+l+1,(a+1)*n+l,a*n+l+1,(a+1)*n+l,(a+1)*n+l+1)}return s},ro.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},ro.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},r=e+1,s=t+1,n=0;n<s;n++)for(var o=0;o<r;o++){var a=-Math.PI/2+n*Math.PI/t,l=2*o*Math.PI/e,u=Math.cos(a)*Math.cos(l),c=Math.sin(a),A=Math.cos(a)*Math.sin(l);i.verts.push(u,c,A),i.uvt.push(o/e,n/t),n<t&&o<e&&i.inds.push(r*n+o,r*n+o+1,r*(n+1)+o,r*n+o+1,r*(n+1)+o,r*(n+1)+o+1)}return i},ro.mat={},ro.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},ro.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},ro.mat.rotateDeg=function(e,t,i){var r=Math.PI/180;return ro.mat.rotate(e*r,t*r,i*r)},ro.mat.rotate=function(e,t,i){var r=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],s=e,n=t,o=i,a=Math.cos(s),l=Math.cos(n),u=Math.cos(o),c=Math.sin(s),A=Math.sin(n),h=Math.sin(o);return r[0]=l*u,r[1]=-l*h,r[2]=A,r[4]=a*h+c*A*u,r[5]=a*u-c*A*h,r[6]=-c*l,r[8]=c*h-a*A*u,r[9]=c*u+a*A*h,r[10]=a*l,r},ro.edit={},ro.edit.interpolate=function(e,t,i,r){for(var s=0;s<e.length;s++)i[s]=e[s]+r*(t[s]-e[s])},ro.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var r=e[i],s=e[i+1],n=e[i+2];e[i+0]=t[0]*r+t[4]*s+t[8]*n+t[12],e[i+1]=t[1]*r+t[5]*s+t[9]*n+t[13],e[i+2]=t[2]*r+t[6]*s+t[10]*n+t[14]}},ro.edit.unwrap=function(e,t,i){for(var r=new Array(Math.floor(e.length/3)*i),s=0;s<e.length;s++)for(var n=0;n<i;n++)r[s*i+n]=t[e[s]*i+n];return r},ro.edit.remap=function(e,t,i,r){for(var s=new Array(i.length),n=0;n<e.length;n++)for(var o=0;o<r;o++)s[t[n]*r+o]=i[e[n]*r+o];return s},ro.utils={},ro.utils.getAABB=function(e){var t,i,r,s,n,o;s=n=o=-(t=i=r=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],u=e[a+1],c=e[a+2];l<t&&(t=l),l>s&&(s=l),u<i&&(i=u),u>n&&(n=u),c<r&&(r=c),u>o&&(o=c)}return{min:{x:t,y:i,z:r},max:{x:s,y:n,z:o}}};var fo=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return 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e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")},set:function(e){var t=this;this._image.onload=function(){t._texture.image=image,t._imageSize[0]=image.width,t._imageSize[1]=image.height,t._updateBitmapMeshScale()},this._image.src=e}},{key:"type",get:function(){return this._type},set:function(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}},{key:"pos",get:function(){return this._pos}},{key:"normal",get:function(){return this._normal}},{key:"up",get:function(){return this._up}},{key:"height",get:function(){return this._height},set:function(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}},{key:"collidable",get:function(){return 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e(){B(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"surfaceArea",get:function(){for(var e=this.vertices,t=this.indices,i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];xo[0]=e[s],xo[1]=e[s+1],xo[2]=e[s+2],wo[0]=e[n],wo[1]=e[n+1],wo[2]=e[n+2],Bo[0]=e[o],Bo[1]=e[o+1],Bo[2]=e[o+2],re.subVec3(xo,wo,Po),re.subVec3(Bo,wo,Co),i+=.5*re.lenVec3(re.cross3Vec3(Po,Co,Mo))}return i}}]),e}(),Fo=new Eo,ko=re.OBB3(),Io=re.OBB3(),Do=re.OBB3(),So=function(){function e(t,i,r,s,n,o){var a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:null,l=arguments.length>7&&void 0!==arguments[7]?arguments[7]:0;B(this,e),this.model=t,this.object=null,this.parent=null,this.transform=n,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=i,this.obb=null,this._aabbLocal=null,this._aabbWorld=re.AABB3(),this._aabbWorldDirty=!1,this.layer=a,this.portionId=l,this._color=new Uint8Array([r[0],r[1],r[2],s]),this._colorize=new Uint8Array([r[0],r[1],r[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,n&&n._addMesh(this),this._volume=null,this._surfaceArea=null}return C(e,[{key:"_sceneModelDirty",value:function(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}},{key:"_updateMatrix",value:function(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}},{key:"_finalize",value:function(e){this.layer.initFlags(this.portionId,e,this._transparent)}},{key:"_finalize2",value:function(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}},{key:"_setVisible",value:function(e){this.layer.setVisible(this.portionId,e,this._transparent)}},{key:"_setColor",value:function(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}},{key:"_setColorize",value:function(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}},{key:"_setOpacity",value:function(e,t){var i=e<255,r=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),r&&this.layer.setTransparent(this.portionId,t,i)}},{key:"_setOffset",value:function(e){this.layer.setOffset(this.portionId,e)}},{key:"_setHighlighted",value:function(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}},{key:"_setXRayed",value:function(e){this.layer.setXRayed(this.portionId,e,this._transparent)}},{key:"_setSelected",value:function(e){this.layer.setSelected(this.portionId,e,this._transparent)}},{key:"_setEdges",value:function(e){this.layer.setEdges(this.portionId,e,this._transparent)}},{key:"_setClippable",value:function(e){this.layer.setClippable(this.portionId,e,this._transparent)}},{key:"_setCollidable",value:function(e){this.layer.setCollidable(this.portionId,e)}},{key:"_setPickable",value:function(e){this.layer.setPickable(this.portionId,e,this._transparent)}},{key:"_setCulled",value:function(e){this.layer.setCulled(this.portionId,e,this._transparent)}},{key:"canPickTriangle",value:function(){return!1}},{key:"drawPickTriangles",value:function(e,t){}},{key:"pickTriangleSurface",value:function(e){}},{key:"precisionRayPickSurface",value:function(e,t,i,r){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,r)}},{key:"canPickWorldPos",value:function(){return!0}},{key:"drawPickDepths",value:function(e){this.model.drawPickDepths(e)}},{key:"drawPickNormals",value:function(e){this.model.drawPickNormals(e)}},{key:"delegatePickedEntity",value:function(){return this.parent}},{key:"getEachVertex",value:function(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}},{key:"getEachIndex",value:function(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}},{key:"volume",get:function(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":bo.reset(),bo.setPrimitive(this.layer.primitive),this.getEachVertex((function(e){bo.addVertex(e)})),this.getEachIndex((function(e){bo.addIndex(e)})),this._volume=bo.volume;break;default:this._volume=0}return this._volume}},{key:"surfaceArea",get:function(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Fo.reset(),this.getEachVertex((function(e){Fo.addVertex(e)})),this.getEachIndex((function(e){Fo.addIndex(e)})),this._surfaceArea=Fo.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}},{key:"aabb",get:function(){return this._aabbWorldDirty&&(re.AABB3ToOBB3(this._aabbLocal,ko),this.transform?(re.transformOBB3(this.transform.worldMatrix,ko,Io),re.transformOBB3(this.model.worldMatrix,Io,Do),re.OBB3ToAABB3(Do,this._aabbWorld)):(re.transformOBB3(this.model.worldMatrix,ko,Io),re.OBB3ToAABB3(Io,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld},set:function(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);var t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}},{key:"_destroy",value:function(){this.model.scene._renderer.putPickID(this.pickId)}}]),e}(),To=new(function(){function e(){B(this,e),this._uint8Arrays={},this._float32Arrays={}}return C(e,[{key:"_clear",value:function(){this._uint8Arrays={},this._float32Arrays={}}},{key:"getUInt8Array",value:function(e){var t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}},{key:"getFloat32Array",value:function(e){var t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}}]),e}()),Lo=0;function Ro(){return Lo++,To}var Uo={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Oo=new Float32Array([1,1,1,1]),No=new Float32Array([0,0,0,1]),Qo=re.vec4(),Vo=re.vec3(),Ho=re.vec3(),jo=re.mat4(),Go=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},s=r.instancing,n=void 0!==s&&s,o=r.edges,a=void 0!==o&&o,l=r.useAlphaCutoff,u=void 0!==l&&l;B(this,e),this._scene=t,this._withSAO=i,this._instancing=n,this._edges=a,this._useAlphaCutoff=u,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}return C(e,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){return[""]}},{key:"_buildFragmentShader",value:function(){return[""]}},{key:"_addMatricesUniformBlockLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}},{key:"_addRemapClipPosLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(".concat(t,"));")),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}},{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"setSectionPlanesStateUniforms",value:function(e){var t=this._scene,i=t.canvas.gl,r=e.model,s=e.layerIndex,n=t._sectionPlanesState.getNumAllocatedSectionPlanes(),o=t._sectionPlanesState.sectionPlanes.length;if(n>0){var a=t._sectionPlanesState.sectionPlanes,l=s*o,u=r.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(var c=0;c<n;c++){var A=this._uSectionPlanes[c];if(A)if(c<o){var h=u.sectionPlanesActivePerLayer[l+c];if(i.uniform1i(A.active,h?1:0),h){var d=a[c],p=e._state.origin;if(p){var f=We(d.dist,d.dir,p,Vo,r.matrix);i.uniform3fv(A.pos,f)}else i.uniform3fv(A.pos,d.pos);i.uniform3fv(A.dir,d.dir)}}else i.uniform1i(A.active,0)}}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uColor=r.getLocation("color"),this._uColor||(this._uColor=r.getLocation("silhouetteColor")),this._uUVDecodeMatrix=r.getLocation("uvDecodeMatrix"),this._uPickInvisible=r.getLocation("pickInvisible"),this._uGammaFactor=r.getLocation("gammaFactor"),t.uniformBlockBinding(r.handle,t.getUniformBlockIndex(r.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=r.getLocation("zFar")),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._aPosition=r.getAttribute("position"),this._aOffset=r.getAttribute("offset"),this._aNormal=r.getAttribute("normal"),this._aUV=r.getAttribute("uv"),this._aColor=r.getAttribute("color"),this._aMetallicRoughness=r.getAttribute("metallicRoughness"),this._aFlags=r.getAttribute("flags"),this._aPickColor=r.getAttribute("pickColor"),this._uPickZNear=r.getLocation("pickZNear"),this._uPickZFar=r.getLocation("pickZFar"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uDrawingBufferSize=r.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=r.getAttribute("modelMatrix"),this._aModelMatrixCol0=r.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=r.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=r.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=r.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=r.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=r.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=r.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=r.getLocation("intensityRange")),this._uPointSize=r.getLocation("pointSize"),this._uNearPlaneHeight=r.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=r.getLocation("sliceColor"),this._uSliceThickness=r.getLocation("sliceThickness"))}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState,n=s.lights;r.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,s.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(var o=0,a=n.length;o<a;o++){var l=n[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}}},{key:"_makeVAO",value:function(e){var t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}},{key:"drawLayer",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},s=r.colorUniform,n=void 0!==s&&s,o=r.incrementDrawState,a=void 0!==o&&o,l=Lt.MAX_TEXTURE_IMAGE_UNITS,u=this._scene,c=u.canvas.gl,A=t._state,h=t.model,d=A.textureSet,p=A.origin,f=A.positionsDecodeMatrix,v=u._lightsState,g=u.pointsMaterial,m=h.scene.camera,_=m.viewNormalMatrix,y=m.project,b=e.pickViewMatrix||m.viewMatrix,x=h.position,w=h.rotationMatrix,B=h.worldNormalMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?c.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(A));var P=0,C=16;this._matricesUniformBlockBufferData.set(w,0);var M=0!==p[0]||0!==p[1]||0!==p[2],E=0!==x[0]||0!==x[1]||0!==x[2];if(M||E){var F=Vo;if(M){var k=re.transformPoint3(w,p,Ho);F[0]=k[0],F[1]=k[1],F[2]=k[2]}else F[0]=0,F[1]=0,F[2]=0;F[0]+=x[0],F[1]+=x[1],F[2]+=x[2],this._matricesUniformBlockBufferData.set(He(b,F,jo),P+=C)}else this._matricesUniformBlockBufferData.set(b,P+=C);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||y.matrix,P+=C),this._matricesUniformBlockBufferData.set(f,P+=C),this._matricesUniformBlockBufferData.set(B,P+=C),this._matricesUniformBlockBufferData.set(_,P+=C),c.bindBuffer(c.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),c.bufferData(c.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,c.DYNAMIC_DRAW),c.bindBufferBase(c.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),c.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),u.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){var I=2/(Math.log(e.pickZFar+1)/Math.LN2);c.uniform1f(this._uLogDepthBufFC,I)}this._uZFar&&c.uniform1f(this._uZFar,u.camera.project.far)}if(this._uPickInvisible&&c.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&c.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&c.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&c.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&c.uniform2f(this._uDrawingBufferSize,c.drawingBufferWidth,c.drawingBufferHeight),this._uUVDecodeMatrix&&c.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._uIntensityRange&&g.filterIntensity&&c.uniform2f(this._uIntensityRange,g.minIntensity,g.maxIntensity),this._uPointSize&&c.uniform1f(this._uPointSize,g.pointSize),this._uNearPlaneHeight){var D="ortho"===u.camera.projection?1:c.drawingBufferHeight/(2*Math.tan(.5*u.camera.perspective.fov*Math.PI/180));c.uniform1f(this._uNearPlaneHeight,D)}if(d){var S=d.colorTexture,T=d.metallicRoughnessTexture,L=d.emissiveTexture,R=d.normalsTexture,U=d.occlusionTexture;this._uColorMap&&S&&(this._program.bindTexture(this._uColorMap,S.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uMetallicRoughMap&&T&&(this._program.bindTexture(this._uMetallicRoughMap,T.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uEmissiveMap&&L&&(this._program.bindTexture(this._uEmissiveMap,L.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uNormalMap&&R&&(this._program.bindTexture(this._uNormalMap,R.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uAOMap&&U&&(this._program.bindTexture(this._uAOMap,U.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l)}if(v.reflectionMaps.length>0&&v.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,v.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),v.lightMaps.length>0&&v.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,v.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),this._withSAO){var O=u.sao,N=O.possible;if(N){var Q=c.drawingBufferWidth,V=c.drawingBufferHeight;Qo[0]=Q,Qo[1]=V,Qo[2]=O.blendCutoff,Qo[3]=O.blendFactor,c.uniform4fv(this._uSAOParams,Qo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++}}if(this._useAlphaCutoff&&c.uniform1f(this._alphaCutoffLocation,d.alphaCutoff),n){var H=this._edges?"edgeColor":"fillColor",j=this._edges?"edgeAlpha":"fillAlpha";if(i===Uo["".concat(this._edges?"EDGES":"SILHOUETTE","_XRAYED")]){var G=u.xrayMaterial._state,z=G[H],W=G[j];c.uniform4f(this._uColor,z[0],z[1],z[2],W)}else if(i===Uo["".concat(this._edges?"EDGES":"SILHOUETTE","_HIGHLIGHTED")]){var K=u.highlightMaterial._state,X=K[H],Y=K[j];c.uniform4f(this._uColor,X[0],X[1],X[2],Y)}else if(i===Uo["".concat(this._edges?"EDGES":"SILHOUETTE","_SELECTED")]){var J=u.selectedMaterial._state,Z=J[H],q=J[j];c.uniform4f(this._uColor,Z[0],Z[1],Z[2],q)}else c.uniform4fv(this._uColor,this._edges?No:Oo)}this._draw({state:A,frameCtx:e,incrementDrawState:a}),c.bindVertexArray(null)}}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null,ae.memory.programs--}}]),e}(),zo=function(e){g(i,Go);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return B(this,i),t.call(this,e,r,{instancing:!1,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{var n=r.pickElementsCount||i.indicesBuf.numItems,o=r.pickElementsOffset?r.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,n,i.indicesBuf.itemType,o),s&&r.drawElements++}}}]),i}(),Wo=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Triangles batching draw vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in float flags;"),t.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),s&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),t.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):r.push("   outColor            = newColor;"),r.push("}"),r}}]),i}(),Ko=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._lightsState,i=e._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching flat-shading draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),r){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var n=0,o=i.getNumAllocatedSectionPlanes();n<o;n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(s),s.push("uniform vec4 lightAmbient;");for(var a=0,l=t.lights.length;a<l;a++){var u=t.lights[a];"ambient"!==u.type&&(s.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&s.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&s.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(s.push("uniform vec3 lightPos"+a+";"),s.push("uniform vec3 lightDir"+a+";")))}if(s.push("in vec4 vViewPosition;"),s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),r){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)s.push("if (sectionPlaneActive"+c+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+c+".xyz, vWorldPosition.xyz - sectionPlanePos"+c+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}s.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),s.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),s.push("float lambertian = 1.0;"),s.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),s.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),s.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var h=0,d=t.lights.length;h<d;h++){var p=t.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);");else if("point"===p.type)"view"===p.space?s.push("viewLightDir = -normalize(lightPos"+h+" - viewPosition.xyz);"):s.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+h+", 0.0)).xyz);");else{if("spot"!==p.type)continue;"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);")}s.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),s.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}return s.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):s.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}]),i}(),Xo=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching silhouette fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),s){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(var o=0,a=r.getNumAllocatedSectionPlanes();o<a;o++)n.push("if (sectionPlaneActive"+o+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = newColor;"),n.push("}"),n}}]),i}(),Yo=function(e){g(i,zo);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!1,edges:!0})}return C(i)}(),Jo=function(e){g(i,Yo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Zo=function(e){g(i,Yo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),qo=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),$o=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),ea=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),ta=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),ia=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching depth fragment shader"),r.push("precision highp float;"),r.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec2 vHighPrecisionZW;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),r.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),r.push("}"),r}}]),i}(),ra=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),sa=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}]),i}(),na=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Triangles batching quality draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),n.push("vFragDepth = 1.0 + clipPos.w;")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Triangles batching quality draw fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),o.push("uniform sampler2D uAOMap;"),o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)o.push("uniform bool sectionPlaneActive"+c+";"),o.push("uniform vec3 sectionPlanePos"+c+";"),o.push("uniform vec3 sectionPlaneDir"+c+";")}if(o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),o.push("              return surf_norm;"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3  diffuseColor;"),o.push("   float specularRoughness;"),o.push("   vec3  specularColor;"),o.push("   float shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("float aoFactor = texture(uAOMap, vUV).r;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),oa=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick flat normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),aa=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching color texture fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),la=re.vec3(),ua=re.vec3(),ca=re.vec3(),Aa=re.vec3(),ha=re.mat4(),da=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=la;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=ua;if(l){var g=ca;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,ha),(p=Aa)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),pa=re.vec3(),fa=re.vec3(),va=re.vec3(),ga=re.vec3(),ma=re.mat4(),_a=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=pa;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=fa;if(l){var g=va;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,ma),(p=ga)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),o.drawElements(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ya=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new Xo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new qo(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new $o(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new da(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new _a(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Wo(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Wo(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new Ko(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Ko(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new aa(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new aa(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new aa(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new aa(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new na(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new na(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Xo(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new ia(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new ra(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Jo(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Zo(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new qo(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new ea(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new oa(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new $o(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new ta(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new sa(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new _a(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new da(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),ba={};var xa=65536,wa=5e6,Ba=function(){function e(){B(this,e)}return C(e,[{key:"doublePrecisionEnabled",get:function(){return re.getDoublePrecisionEnabled()},set:function(e){re.setDoublePrecisionEnabled(e)}},{key:"maxDataTextureHeight",get:function(){return xa},set:function(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),xa=e}},{key:"maxGeometryBatchSize",get:function(){return wa},set:function(e){e<1e5?e=1e5:e>5e6&&(e=5e6),wa=e}}]),e}(),Pa=new Ba,Ca=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Pa.maxGeometryBatchSize;B(this,e),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]})),Ma=re.mat4(),Ea=re.mat4();function Fa(e,t,i){for(var r=e.length,s=new Uint16Array(r),n=t[0],o=t[1],a=t[2],l=t[3]-n,u=t[4]-o,c=t[5]-a,A=65525,h=A/l,d=A/u,p=A/c,f=function(e){return e>=0?e:0},v=0;v<r;v+=3)s[v+0]=Math.floor(f(e[v+0]-n)*h),s[v+1]=Math.floor(f(e[v+1]-o)*d),s[v+2]=Math.floor(f(e[v+2]-a)*p);return re.identityMat4(Ma),re.translationMat4v(t,Ma),re.identityMat4(Ea),re.scalingMat4v([l/A,u/A,c/A],Ea),re.mulMat4(Ma,Ea,i),s}function ka(e,t){var i=e[0],r=e[1],s=e[2],n=e[3]-i,o=e[4]-r,a=e[5]-s,l=65525;return re.identityMat4(Ma),re.translationMat4v(e,Ma),re.identityMat4(Ea),re.scalingMat4v([n/l,o/l,a/l],Ea),re.mulMat4(Ma,Ea,t),t}function Ia(e,t,i){var r=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),s=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){var n,o;n=(1-Math.abs(s))*(r>=0?1:-1),o=(1-Math.abs(r))*(s>=0?1:-1),r=n,s=o}return new Int8Array([Math[t](127.5*r+(r<0?-1:0)),Math[i](127.5*s+(s<0?-1:0))])}function Da(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}var Sa=re.mat4(),Ta=re.mat4(),La=re.vec4([0,0,0,1]),Ra=re.vec3(),Ua=re.vec3(),Oa=re.vec3(),Na=re.vec3(),Qa=re.vec3(),Va=re.vec3(),Ha=re.vec3(),ja=function(){function e(t){B(this,e),this.model=t.model,this.sortId="TrianglesBatchingLayer"+(t.solid?"-solid":"-surface")+(t.autoNormals?"-autonormals":"-normals")+(t.textureSet&&t.textureSet.colorTexture?"-colorTexture":"")+(t.textureSet&&t.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=ba[t];return i||(i=new ya(e),ba[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete ba[t],i._destroy()}))),i}(t.model.scene),this._buffer=new Ca(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new hi({origin:re.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:t.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)),t.uvDecodeMatrix?(this._state.uvDecodeMatrix=re.mat3(t.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,t.origin&&this._state.origin.set(t.origin),this.solid=!!t.solid,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.normals,o=t.normalsCompressed,a=t.uv,l=t.uvCompressed,u=t.colors,c=t.colorsCompressed,A=t.indices,h=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,v=t.opacity,g=t.meshMatrix,m=t.pickColor,_=this.model.scene,y=this._buffer,b=y.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var x=0,w=s.length;x<w;x++)y.positions.push(s[x])}else{if(!r)throw"positions expected";i=r.length/3;for(var B=0,P=r.length;B<P;B++)y.positions.push(r[B])}if(o&&o.length>0)for(var C=0,M=o.length;C<M;C++)y.normals.push(o[C]);else if(n&&n.length>0){var E=Sa;g?re.inverseMat4(re.transposeMat4(g,Ta),E):re.identityMat4(E,E),function(e,t,i,r,s){function n(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}var o,a,l,u,c,A=new Float32Array([0,0,0,0]),h=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)A[0]=t[c],A[1]=t[c+1],A[2]=t[c+2],re.transformVec3(e,A,h),re.normalizeVec3(h,h),a=o=Ia(h,"floor","floor"),l=u=n(h,Da(o)),(l=n(h,Da(o=Ia(h,"ceil","floor"))))>u&&(a=o,u=l),(l=n(h,Da(o=Ia(h,"floor","ceil"))))>u&&(a=o,u=l),(l=n(h,Da(o=Ia(h,"ceil","ceil"))))>u&&(a=o,u=l),r[s+c+0]=a[0],r[s+c+1]=a[1],r[s+c+2]=0}(E,n,n.length,y.normals,y.normals.length)}if(u)for(var F=0,k=u.length;F<k;F+=3)y.colors.push(255*u[F]),y.colors.push(255*u[F+1]),y.colors.push(255*u[F+2]),y.colors.push(255);else if(c)for(var I=0,D=u.length;I<D;I+=3)y.colors.push(u[I]),y.colors.push(u[I+1]),y.colors.push(u[I+2]),y.colors.push(255);else if(d)for(var S=d[0],T=d[1],L=d[2],R=v,U=0;U<i;U++)y.colors.push(S),y.colors.push(T),y.colors.push(L),y.colors.push(R);for(var O=null!=p?p:0,N=null!=f?f:255,Q=0;Q<i;Q++)y.metallicRoughness.push(O),y.metallicRoughness.push(N);if(a&&a.length>0)for(var V=0,H=a.length;V<H;V++)y.uv.push(a[V]);else if(l&&l.length>0)for(var j=0,G=l.length;j<G;j++)y.uv.push(l[j]);for(var z=0,W=A.length;z<W;z++)y.indices.push(b+A[z]);if(h)for(var K=0,X=h.length;K<X;K++)y.edgeIndices.push(b+h[K]);for(var Y=y.pickColors.length,J=Y,Z=Y+4*i;J<Z;J+=4)y.pickColors.push(m[0]),y.pickColors.push(m[1]),y.pickColors.push(m[2]),y.pickColors.push(m[3]);if(_.entityOffsetsEnabled)for(var q=0;q<i;q++)y.offsets.push(0),y.offsets.push(0),y.offsets.push(0);var $=this._portions.length,ee={vertsBaseIndex:b,numVerts:i,indicesBaseIndex:y.indices.length-A.length,numIndices:A.length};return _.readableGeometryEnabled&&(ee.indices=A,_.entityOffsetsEnabled&&(ee.offset=new Float32Array(3))),this._portions.push(ee),this._numPortions++,this.model.numPortions++,this._numVerts+=ee.numVerts,this._meshes.push(e),$}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){var r=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Fa(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=re.mat4());if(e.positionsBuf=new Wt(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(var s=0,n=this._portions.length;s<n;s++){var o=this._portions[s],a=3*o.vertsBaseIndex,l=a+3*o.numVerts;o.quantizedPositions=r.slice(a,l)}}if(i.normals.length>0){var u=new Int8Array(i.normals);e.normalsBuf=new Wt(t,t.ARRAY_BUFFER,u,i.normals.length,3,t.STATIC_DRAW,!0)}if(i.colors.length>0){var c=new Uint8Array(i.colors);e.colorsBuf=new Wt(t,t.ARRAY_BUFFER,c,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.uv.length>0)if(e.uvDecodeMatrix){e.uvBuf=new Wt(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,!1)}else{var A=zi.getUVBounds(i.uv),h=zi.compressUVs(i.uv,A.min,A.max),d=h.quantized;e.uvDecodeMatrix=re.mat3(h.decodeMatrix),e.uvBuf=new Wt(t,t.ARRAY_BUFFER,d,d.length,2,t.STATIC_DRAW,!1)}if(i.metallicRoughness.length>0){var p=new Uint8Array(i.metallicRoughness);e.metallicRoughnessBuf=new Wt(t,t.ARRAY_BUFFER,p,i.metallicRoughness.length,2,t.STATIC_DRAW,!1)}if(i.positions.length>0){var f=i.positions.length/3,v=new Float32Array(f);e.flagsBuf=new Wt(t,t.ARRAY_BUFFER,v,v.length,1,t.DYNAMIC_DRAW,!1)}if(i.pickColors.length>0){var g=new Uint8Array(i.pickColors);e.pickColorsBuf=new Wt(t,t.ARRAY_BUFFER,g,i.pickColors.length,4,t.STATIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var m=new Float32Array(i.offsets);e.offsetsBuf=new Wt(t,t.ARRAY_BUFFER,m,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var _=new Uint32Array(i.indices);e.indicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,_,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){var y=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,y,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}}},{key:"isEmpty",value:function(){return!this._state.indicesBuf}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Ye&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=e,r=this._portions[i],s=4*r.vertsBaseIndex,n=4*r.numVerts,o=this._scratchMemory.getUInt8Array(n),a=t[0],l=t[1],u=t[2],c=t[3],A=0;A<n;A+=4)o[A+0]=a,o[A+1]=l,o[A+2]=u,o[A+3]=c;this._state.colorsBuf&&this._state.colorsBuf.setData(o,s,n)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=e,a=this._portions[o],l=a.vertsBaseIndex,u=a.numVerts,c=l,A=u,h=!!(t&Ke),d=!!(t&qe),p=!!(t&$e),f=!!(t&et),v=!!(t&tt),g=!!(t&Ye),m=!!(t&Xe);s=!h||m||d||p&&!this.model.scene.highlightMaterial.glowThrough||f&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,n=!h||m?Uo.NOT_RENDERED:f?Uo.SILHOUETTE_SELECTED:p?Uo.SILHOUETTE_HIGHLIGHTED:d?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;var _=0;_=!h||m?Uo.NOT_RENDERED:f?Uo.EDGES_SELECTED:p?Uo.EDGES_HIGHLIGHTED:d?Uo.EDGES_XRAYED:v?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED;var y=h&&!m&&g?Uo.PICK:Uo.NOT_RENDERED,b=t&Je?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var x=c,w=c+A;x<w;x++){var B=0;B|=s,B|=n<<4,B|=_<<8,B|=y<<12,B|=b<<16,this._deferredFlagValues[x]=B}}else if(this._state.flagsBuf){for(var P=this._scratchMemory.getFloat32Array(A),C=0;C<A;C++){var M=0;M|=s,M|=n<<4,M|=_<<8,M|=y<<12,M|=b<<16,P[C]=M}this._state.flagsBuf.setData(P,c,A)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=e,r=this._portions[i],s=3*r.vertsBaseIndex,n=3*r.numVerts,o=this._scratchMemory.getFloat32Array(n),a=t[0],l=t[1],u=t[2],c=0;c<n;c+=3)o[c+0]=a,o[c+1]=l,o[c+2]=u;this._state.offsetsBuf&&this._state.offsetsBuf.setData(o,s,n),this.model.scene.readableGeometryEnabled&&(r.offset[0]=t[0],r.offset[1]=t[1],r.offset[2]=t[2])}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portions[e];if(r){var s=r.quantizedPositions,n=this.model.matrix,o=re.vec4();o.set(i.origin,0),o[3]=1,re.mulMat4v4(n,o,o);for(var a=o[0],l=o[1],u=o[2],c=La,A=i.positionsDecodeMatrix,h=0,d=s.length;h<d;h+=3)c[0]=s[h],c[1]=s[h+1],c[2]=s[h+2],c[3]=1,re.decompressPosition(c,A),c[3]=1,re.mulMat4v4(n,c,c),c[0]+=a,c[1]+=l,c[2]+=u,t(c)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portions[e];if(i)for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}}},{key:"getElementsCountAndOffset",value:function(e){var t=null,i=null,r=this._portions[e];return r&&(t=r.numIndices,i=r.indicesBaseIndex),{count:t,offset:i}}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Uo.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state,o=this._portions[e];if(!o)return this.model.error("portion not found: "+e),!1;var a=o.quantizedPositions,l=o.indices,u=n.origin,c=o.offset,A=Ra,h=Ua;A.set(u?re.subVec3(t,u,Oa):t),h.set(i),c&&re.subVec3(A,c),re.transformRay(this.model.worldNormalMatrix,A,h,A,h);for(var d=Na,p=Qa,f=Va,v=!1,g=0,m=Ha,_=0,y=l.length;_<y;_+=3){var b=3*l[_],x=3*l[_+1],w=3*l[_+2];if(d[0]=a[b],d[1]=a[b+1],d[2]=a[b+2],p[0]=a[x],p[1]=a[x+1],p[2]=a[x+2],f[0]=a[w],f[1]=a[w+1],f[2]=a[w+2],re.decompressPosition(d,n.positionsDecodeMatrix),re.decompressPosition(p,n.positionsDecodeMatrix),re.decompressPosition(f,n.positionsDecodeMatrix),re.rayTriangleIntersect(A,h,d,p,f,m)){re.transformPoint3(this.model.worldMatrix,m,m),c&&re.addVec3(m,c),u&&re.addVec3(m,u);var B=Math.abs(re.lenVec3(re.subVec3(m,t,[])));(!v||B>g)&&(g=B,r.set(m),s&&re.triangleNormal(d,p,f,s),v=!0)}}return v&&s&&(re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),v}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}]),e}(),Ga=function(e){g(i,Go);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return B(this,i),t.call(this,e,r,{instancing:!0,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++)}}]),i}(),za=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t,i,r=this._scene,s=r._sectionPlanesState,n=r._lightsState,o=s.getNumAllocatedSectionPlanes()>0,a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),r.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),r.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),e=0,t=n.lights.length;e<t;e++)"ambient"!==(i=n.lights[e]).type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),o&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),r.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),e=0,t=n.lights.length;e<t;e++)if("ambient"!==(i=n.lights[e]).type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),r.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),o&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):r.push("    outColor           = newColor;"),r.push("}"),r}}]),i}(),Wa=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=i._lightsState,n=r.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry flat-shading drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),i.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),n){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;"),e=0,t=s.lights.length;e<t;e++){var u=s.lights[e];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")))}if(o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),n){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var c=0,A=r.getNumAllocatedSectionPlanes();c<A;c++)o.push("if (sectionPlaneActive"+c+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+c+".xyz, vWorldPosition.xyz - sectionPlanePos"+c+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}for(o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),e=0,t=s.lights.length;e<t;e++){var h=s.lights[e];if("ambient"!==h.type){if("dir"===h.type)"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===h.type)"view"===h.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==h.type)continue;"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return o.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):o.push("    outColor           = fragColor;"),i.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),Ka=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing fill fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = newColor;"),r.push("}"),r}}]),i}(),Xa=function(e){g(i,Ga);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0,edges:!0})}return C(i)}(),Ya=function(e){g(i,Xa);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Ja=function(e){g(i,Xa);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Za=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),qa=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),$a=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),el=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),tl=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry depth drawing fragment shader"),n.push("precision highp float;"),n.push("precision highp int;"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}}]),i}(),il=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),rl=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),sl={3e3:"linearToLinear",3001:"sRGBToLinear"},nl=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Instancing geometry quality drawing vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("in vec4 modelMatrixCol0;"),n.push("in vec4 modelMatrixCol1;"),n.push("in vec4 modelMatrixCol2;"),n.push("in vec4 modelNormalMatrixCol0;"),n.push("in vec4 modelNormalMatrixCol1;"),n.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),n.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),n.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),n.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Instancing geometry quality drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)o.push("uniform bool sectionPlaneActive"+c+";"),o.push("uniform vec3 sectionPlanePos"+c+";"),o.push("uniform vec3 sectionPlaneDir"+c+";")}if(o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),o.push("              return normalize(surf_norm );"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3    diffuseColor;"),o.push("   float   specularRoughness;"),o.push("   vec3    specularColor;"),o.push("   float   shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = "+sl[r.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = "+sl[r.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction = normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction = normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),ol=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),al=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),ll=re.vec3(),ul=re.vec3(),cl=re.vec3(),Al=re.vec3(),hl=re.mat4(),dl=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=ll;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=ul;if(l){var g=re.transformPoint3(c,l,cl);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,hl),(p=Al)[0]=o.eye[0]-v[0],p[1]=o.eye[1]-v[1],p[2]=o.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,p),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),pl=re.vec3(),fl=re.vec3(),vl=re.vec3(),gl=re.vec3(),ml=re.mat4(),_l=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=pl;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=fl;if(l){var g=re.transformPoint3(c,l,vl);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,ml),(p=gl)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),yl=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new Ka(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Za(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new qa(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new dl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new _l(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new za(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new za(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new Wa(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Wa(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new al(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new al(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new al(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new al(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new nl(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new nl(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Ka(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new tl(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new il(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Ya(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Ja(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Za(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new $a(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new ol(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new qa(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new el(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new rl(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new _l(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new dl(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),bl={};var xl=new Uint8Array(4),wl=new Float32Array(1),Bl=re.vec4([0,0,0,1]),Pl=new Float32Array(3),Cl=re.vec3(),Ml=re.vec3(),El=re.vec3(),Fl=re.vec3(),kl=re.vec3(),Il=re.vec3(),Dl=re.vec3(),Sl=new Float32Array(4),Tl=function(){function e(t){B(this,e),this.model=t.model,this.sortId="TrianglesInstancingLayer"+(t.solid?"-solid":"-surface")+(t.normals?"-normals":"-autoNormals"),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=bl[t];return i||(i=new yl(e),bl[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete bl[t],i._destroy()}))),i}(t.model.scene),this._aabb=re.collapseAABB3(),this._state=new hi({numInstances:0,obb:re.OBB3(),origin:re.vec3(),geometry:t.geometry,textureSet:t.textureSet,pbrSupported:!1,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&this._state.origin.set(t.origin),this._finalized=!1,this.solid=!!t.solid,this.numIndices=t.geometry.numIndices,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.metallic,s=t.roughness,n=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,o=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";var l=i[0],u=i[1],c=i[2];if(this._colors.push(l),this._colors.push(u),this._colors.push(c),this._colors.push(n),this._metallicRoughness.push(null!=r?r:0),this._metallicRoughness.push(null!=s?s:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(o[0]),this._modelMatrixCol0.push(o[4]),this._modelMatrixCol0.push(o[8]),this._modelMatrixCol0.push(o[12]),this._modelMatrixCol1.push(o[1]),this._modelMatrixCol1.push(o[5]),this._modelMatrixCol1.push(o[9]),this._modelMatrixCol1.push(o[13]),this._modelMatrixCol2.push(o[2]),this._modelMatrixCol2.push(o[6]),this._modelMatrixCol2.push(o[10]),this._modelMatrixCol2.push(o[14]),this._state.geometry.normals){var A=re.transposeMat4(o,re.mat4()),h=re.inverseMat4(A);this._modelNormalMatrixCol0.push(h[0]),this._modelNormalMatrixCol0.push(h[4]),this._modelNormalMatrixCol0.push(h[8]),this._modelNormalMatrixCol0.push(h[12]),this._modelNormalMatrixCol1.push(h[1]),this._modelNormalMatrixCol1.push(h[5]),this._modelNormalMatrixCol1.push(h[9]),this._modelNormalMatrixCol1.push(h[13]),this._modelNormalMatrixCol2.push(h[2]),this._modelNormalMatrixCol2.push(h[6]),this._modelNormalMatrixCol2.push(h[10]),this._modelNormalMatrixCol2.push(h[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;var d=this._portions.length,p={};return this.model.scene.readableGeometryEnabled&&(p.matrix=o.slice(),p.inverseMatrix=null,p.normalMatrix=null),this._portions.push(p),this._numPortions++,this.model.numPortions++,this._meshes.push(e),d}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=e.geometry,i=e.textureSet,r=this.model.scene.canvas.gl,s=this._colors.length,n=s/4;if(s>0){e.colorsBuf=new Wt(r,r.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,r.DYNAMIC_DRAW,!1),this._colors=[]}if(this._metallicRoughness.length>0){var o=new Uint8Array(this._metallicRoughness);e.metallicRoughnessBuf=new Wt(r,r.ARRAY_BUFFER,o,this._metallicRoughness.length,2,r.STATIC_DRAW,!1)}if(n>0){e.flagsBuf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(n),n,1,r.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){e.offsetsBuf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,r.DYNAMIC_DRAW,!1),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){e.positionsBuf=new Wt(r,r.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,r.STATIC_DRAW,!1),e.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){var a=new Uint8Array(t.colorsCompressed);e.colorsBuf=new Wt(r,r.ARRAY_BUFFER,a,a.length,4,r.STATIC_DRAW,!1)}if(t.uvCompressed&&t.uvCompressed.length>0){var l=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new Wt(r,r.ARRAY_BUFFER,l,l.length,2,r.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new Wt(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,r.STATIC_DRAW),e.numIndices=t.indices.length),"triangles"!==t.primitive&&"solid"!==t.primitive&&"surface"!==t.primitive||(e.edgeIndicesBuf=new Wt(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,r.STATIC_DRAW)),this._modelMatrixCol0.length>0){var u=!1;e.modelMatrixCol0Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelMatrixCol1Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelMatrixCol2Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol1Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol2Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){e.pickColorsBuf=new Wt(r,r.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,r.STATIC_DRAW,!1),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Ye&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";xl[0]=t[0],xl[1]=t[1],xl[2]=t[2],xl[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(xl,4*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ke),s=!!(t&qe),n=!!(t&$e),o=!!(t&et),a=!!(t&tt),l=!!(t&Ye),u=!!(t&Xe),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.SILHOUETTE_SELECTED:n?Uo.SILHOUETTE_HIGHLIGHTED:s?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED)<<4,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.EDGES_SELECTED:n?Uo.EDGES_HIGHLIGHTED:s?Uo.EDGES_XRAYED:a?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED)<<8,c|=(r&&!u&&l?Uo.PICK:Uo.NOT_RENDERED)<<12,c|=(t&Je?1:0)<<16,wl[0]=c,this._state.flagsBuf&&this._state.flagsBuf.setData(wl,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Pl[0]=t[0],Pl[1]=t[1],Pl[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Pl,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state,r=i.geometry,s=this._portions[e];if(s){var n=r.positionsCompressed,o=this.model.matrix,a=re.vec4();a.set(i.origin,0),a[3]=1,re.mulMat4v4(o,a,a);for(var l=a[0],u=a[1],c=a[2],A=Bl,h=s.matrix,d=i.positionsDecodeMatrix,p=0,f=n.length;p<f;p+=3)A[0]=n[p],A[1]=n[p+1],A[2]=n[p+2],re.decompressPosition(A,d),re.transformPoint3(h,A,A),A[3]=1,re.mulMat4v4(o,A,A),A[0]+=l,A[1]+=u,A[2]+=c,t(A)}else this.model.error("portion not found: "+e)}},{key:"getEachIndex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state.geometry;if(this._portions[e])for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Sl[0]=t[0],Sl[1]=t[4],Sl[2]=t[8],Sl[3]=t[12],this._state.modelMatrixCol0Buf.setData(Sl,i),Sl[0]=t[1],Sl[1]=t[5],Sl[2]=t[9],Sl[3]=t[13],this._state.modelMatrixCol1Buf.setData(Sl,i),Sl[0]=t[2],Sl[1]=t[6],Sl[2]=t[10],Sl[3]=t[14],this._state.modelMatrixCol2Buf.setData(Sl,i)}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_XRAYED)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_SELECTED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state.geometry,o=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=re.inverseMat4(a.matrix,re.mat4())),s&&!a.normalMatrix&&(a.normalMatrix=re.transposeMat4(a.inverseMatrix,re.mat4()));var l=n.quantizedPositions,u=n.indices,c=o.origin,A=a.offset,h=Cl,d=Ml;h.set(c?re.subVec3(t,c,El):t),d.set(i),A&&re.subVec3(h,A),re.transformRay(this.model.worldNormalMatrix,h,d,h,d),re.transformRay(a.inverseMatrix,h,d,h,d);for(var p=Fl,f=kl,v=Il,g=!1,m=0,_=Dl,y=0,b=u.length;y<b;y+=3){var x=3*u[y+0],w=3*u[y+1],B=3*u[y+2];p[0]=l[x],p[1]=l[x+1],p[2]=l[x+2],f[0]=l[w],f[1]=l[w+1],f[2]=l[w+2],v[0]=l[B],v[1]=l[B+1],v[2]=l[B+2];var P=o.geometry.positionsDecodeMatrix;if(re.decompressPosition(p,P),re.decompressPosition(f,P),re.decompressPosition(v,P),re.rayTriangleIntersect(h,d,p,f,v,_)){re.transformPoint3(a.matrix,_,_),re.transformPoint3(this.model.worldMatrix,_,_),A&&re.addVec3(_,A),c&&re.addVec3(_,c);var C=Math.abs(re.lenVec3(re.subVec3(_,t,[])));(!g||C>m)&&(m=C,r.set(_),s&&re.triangleNormal(p,f,v,s),g=!0)}}return g&&s&&(re.transformVec3(a.normalMatrix,s,s),re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),g}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}]),e}(),Ll=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),s&&r.drawElements++}}]),i}(),Rl=function(e){g(i,Ll);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Ul=function(e){g(i,Ll);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),Ol=re.vec3(),Nl=re.vec3(),Ql=re.vec3(),Vl=re.vec3(),Hl=re.mat4(),jl=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Ol;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Nl;if(l){var g=Ql;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,Hl),(p=Vl)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Gl=re.vec3(),zl=re.vec3(),Wl=re.vec3(),Kl=re.vec3(),Xl=re.mat4(),Yl=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Gl;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=zl;if(l){var g=Wl;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,Xl),(p=Kl)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Jl=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Rl(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Ul(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new jl(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Yl(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Zl={};var ql=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:5e6;B(this,e),t>5e6&&(t=5e6),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]})),$l=function(){function e(t){var i,r,s;B(this,e),this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=Zl[r])||(s=new Jl(i),Zl[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete Zl[r],s._destroy()}))),s),this.model=t.model,this._buffer=new ql(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new hi({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin)),this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.indices,o=t.color,a=t.opacity,l=this._buffer,u=l.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var c=0,A=s.length;c<A;c++)l.positions.push(s[c])}else{if(!r)throw"positions expected";i=r.length/3;for(var h=0,d=r.length;h<d;h++)l.positions.push(r[h])}if(o)for(var p=o[0],f=o[1],v=o[2],g=a,m=0;m<i;m++)l.colors.push(p),l.colors.push(f),l.colors.push(v),l.colors.push(g);if(n)for(var _=0,y=n.length;_<y;_++)l.indices.push(n[_]+u);if(this.model.scene.entityOffsetsEnabled)for(var b=0;b<i;b++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);var x=this._portions.length/2;return this._portions.push(u),this._portions.push(i),this._numPortions++,this.model.numPortions++,this._numVerts+=i,this._meshes.push(e),x}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){var r=new Uint16Array(i.positions);e.positionsBuf=new Wt(t,t.ARRAY_BUFFER,r,i.positions.length,3,t.STATIC_DRAW)}else{var s=Fa(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Wt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){var n=new Uint8Array(i.colors);e.colorsBuf=new Wt(t,t.ARRAY_BUFFER,n,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.colors.length>0){var o=i.colors.length/4,a=new Float32Array(o);e.flagsBuf=new Wt(t,t.ARRAY_BUFFER,a,a.length,1,t.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var l=new Float32Array(i.offsets);e.offsetsBuf=new Wt(t,t.ARRAY_BUFFER,l,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var u=new Uint32Array(i.indices);e.indicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,u,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Ye&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=t[3],c=0;c<s;c+=4)n[c+0]=o,n[c+1]=a,n[c+2]=l,n[c+3]=u;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=2*e,a=this._portions[o],l=this._portions[o+1],u=a,c=l,A=!!(t&Ke),h=!!(t&qe),d=!!(t&$e),p=!!(t&et),f=!!(t&Ye),v=!!(t&Xe);s=!A||v||h||d&&!this.model.scene.highlightMaterial.glowThrough||p&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,n=!A||v?Uo.NOT_RENDERED:p?Uo.SILHOUETTE_SELECTED:d?Uo.SILHOUETTE_HIGHLIGHTED:h?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;var g=A&&!v&&f?Uo.PICK:Uo.NOT_RENDERED,m=t&Je?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var _=u,y=u+c;_<y;_++){var b=0;b|=s,b|=n<<4,b|=g<<12,b|=m<<16,this._deferredFlagValues[_]=b}}else if(this._state.flagsBuf){for(var x=this._scratchMemory.getFloat32Array(c),w=0;w<c;w++){var B=0;B|=s,B|=n<<4,B|=g<<12,B|=m<<16,x[w]=B}this._state.flagsBuf.setData(x,u,c)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e){}},{key:"drawPickDepths",value:function(e){}},{key:"drawPickNormals",value:function(e){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawOcclusion",value:function(e){}},{key:"drawShadow",value:function(e){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}]),e}(),eu=function(e){g(i,Go);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++}}]),i}(),tu=function(e){g(i,eu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Lines instancing color fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):n.push("    outColor           = vColor;"),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),iu=function(e){g(i,eu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),ru=re.vec3(),su=re.vec3(),nu=re.vec3();re.vec3();var ou=re.mat4(),au=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=ru;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=su;if(l){var v=re.transformPoint3(c,l,nu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=He(h,f,ou),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),lu=re.vec3(),uu=re.vec3(),cu=re.vec3();re.vec3();var Au=re.mat4(),hu=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=lu;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=uu;if(l){var v=re.transformPoint3(c,l,cu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=He(h,f,Au),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),du=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._snapInitRenderer||(this._snapInitRenderer=new au(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new hu(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new tu(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new iu(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new au(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new hu(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),pu={};var fu=new Uint8Array(4),vu=new Float32Array(1),gu=new Float32Array(3),mu=new Float32Array(4),_u=function(){function e(t){var i,r,s;B(this,e),this.model=t.model,this.material=t.material,this.sortId="LinesInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=pu[r])||(s=new du(i),pu[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete pu[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new hi({obb:re.OBB3(),numInstances:0,origin:null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&(this._state.origin=re.vec3(t.origin)),this._finalized=!1,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.opacity,s=t.meshMatrix;if(this._finalized)throw"Already finalized";var n=i[0],o=i[1],a=i[2];i[3],this._colors.push(n),this._colors.push(o),this._colors.push(a),this._colors.push(r),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(s[0]),this._modelMatrixCol0.push(s[4]),this._modelMatrixCol0.push(s[8]),this._modelMatrixCol0.push(s[12]),this._modelMatrixCol1.push(s[1]),this._modelMatrixCol1.push(s[5]),this._modelMatrixCol1.push(s[9]),this._modelMatrixCol1.push(s[13]),this._modelMatrixCol2.push(s[2]),this._modelMatrixCol2.push(s[6]),this._modelMatrixCol2.push(s[10]),this._modelMatrixCol2.push(s[14]),this._state.numInstances++;var l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,r=this._colors.length,s=r/4;if(r>0){this._state.colorsBuf=new Wt(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,!1),this._colors=[]}if(s>0){this._state.flagsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(s),s,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){this._state.offsetsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){var n=new Uint8Array(i.colorsCompressed);t.colorsBuf=new Wt(e,e.ARRAY_BUFFER,n,n.length,4,e.STATIC_DRAW,!1)}if(i.positionsCompressed&&i.positionsCompressed.length>0){t.positionsBuf=new Wt(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,!1),t.positionsDecodeMatrix=re.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new Wt(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){var o=!1;this._state.modelMatrixCol0Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol1Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol2Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,o),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Ye&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";fu[0]=t[0],fu[1]=t[1],fu[2]=t[2],fu[3]=t[3],this._state.colorsBuf.setData(fu,4*e,4)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ke),s=!!(t&qe),n=!!(t&$e),o=!!(t&et),a=!!(t&tt),l=!!(t&Ye),u=!!(t&Xe),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.SILHOUETTE_SELECTED:n?Uo.SILHOUETTE_HIGHLIGHTED:s?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED)<<4,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.EDGES_SELECTED:n?Uo.EDGES_HIGHLIGHTED:s?Uo.EDGES_XRAYED:a?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED)<<8,c|=(r&&!u&&l?Uo.PICK:Uo.NOT_RENDERED)<<12,c|=(t&Je?255:0)<<16,vu[0]=c,this._state.flagsBuf.setData(vu,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(gu[0]=t[0],gu[1]=t[1],gu[2]=t[2],this._state.offsetsBuf.setData(gu,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;mu[0]=t[0],mu[1]=t[4],mu[2]=t[8],mu[3]=t[12],this._state.modelMatrixCol0Buf.setData(mu,i),mu[0]=t[1],mu[1]=t[5],mu[2]=t[9],mu[3]=t[13],this._state.modelMatrixCol1Buf.setData(mu,i),mu[0]=t[2],mu[1]=t[6],mu[2]=t[10],mu[3]=t[14],this._state.modelMatrixCol2Buf.setData(mu,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}]),e}(),yu=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),s&&r.drawArrays++}}]),i}(),bu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,r=[];return r.push("#version 300 es"),r.push("// Points batching color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),xu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform vec4 color;"),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points batching silhouette vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = color;"),n.push("}"),n}}]),i}(),wu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),Bu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batched pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batched pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),Pu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("  gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),r.push("}"),r}}]),i}(),Cu=re.vec3(),Mu=re.vec3(),Eu=re.vec3(),Fu=re.vec3(),ku=re.mat4(),Iu=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Cu;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Mu;if(l){var g=Eu;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,ku),(p=Fu)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible),o.uniform1f(this._uPointSize,1);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Du=re.vec3(),Su=re.vec3(),Tu=re.vec3(),Lu=re.vec3(),Ru=re.mat4(),Uu=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Du;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Su;if(l){var g=Tu;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,Ru),(p=Lu)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Ou=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new bu(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new xu(this._scene)),this._silhouetteRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new wu(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Bu(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new Pu(this._scene)),this._occlusionRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Iu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Uu(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Nu={};var Qu=function(){function e(t){B(this,e),this.model=t.model,this.sortId="PointsBatchingLayer",this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=Nu[t];return i||(i=new Ou(e),Nu[t]=i,i._compile(),e.on("compile",(function(){i._compile()})),e.on("destroyed",(function(){delete Nu[t],i._destroy()}))),i}(t.model.scene);var i=t.maxGeometryBatchSize||5e6,r=function(){var e=[];return{append:function(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e.push({data:t,times:i,denormalizeScale:r})},compileBuffer:function(t){var i=0;e.forEach((function(e){i+=e.times*e.data.length}));var r=new t(i),s=0;return e.forEach((function(e){var t=e.data,i=e.denormalizeScale,n=r.subarray(s);if(1===i)n.set(t,0);else for(var o=0;o<t.length;++o)n[o]=t[o]*i;for(var a=t.length,l=e.times*t.length;a<l;){var u=Math.min(a,l-a);n.set(n.subarray(0,u),a),a+=u}s+=a})),r}}};this._buffer={maxVerts:i,positions:r(),colors:r(),pickColors:r(),vertsIndex:0},this._scratchMemory=t.scratchMemory,this._state=new hi({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin))}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i=this._buffer,r=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!r)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(r);var s=r.length/3,n=t.color,o=t.colorsCompressed,a=t.colors,l=t.pickColor;o?i.colors.append(o):a?i.colors.append(a,1,255):n&&i.colors.append([n[0],n[1],n[2],1],s),i.pickColors.append(l.slice(0,4),s),re.expandAABB3(this._modelAABB,t.aabb);var u=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(s),this._buffer.vertsIndex+=s,this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,r=function(e,i,r){return e.length>0?new Wt(t,t.ARRAY_BUFFER,e,e.length,i,r):null},s=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):Fa(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=r(s,3,t.STATIC_DRAW),e.flagsBuf=r(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=r(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=r(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?r(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ye&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized"}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=4)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r,s,n=2*e,o=this._portions[n],a=this._portions[n+1],l=this._scratchMemory.getFloat32Array(a),u=!!(t&Ke),c=!!(t&qe),A=!!(t&$e),h=!!(t&et),d=!!(t&Ye),p=!!(t&Xe);r=!u||p||c||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,s=!u||p?Uo.NOT_RENDERED:h?Uo.SILHOUETTE_SELECTED:A?Uo.SILHOUETTE_HIGHLIGHTED:c?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;for(var f=u&&!p&&d?Uo.PICK:Uo.NOT_RENDERED,v=t&Je?1:0,g=0;g<a;g++){var m=0;m|=r,m|=s<<4,m|=f<<12,m|=v<<16,l[g]=m}this._state.flagsBuf.setData(l,o)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),Vu=function(e){g(i,Go);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),s&&r.drawArrays++}}]),i}(),Hu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),ju=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 color;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),r.push("uniform vec4 silhouetteColor;"),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Gu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick mesh fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),zu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("  vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),Wu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 color;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Ku=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points instancing depth vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("const float   packUpScale = 256. / 255.;"),n.push("const float   unpackDownscale = 255. / 256.;"),n.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),n.push("const float   shiftRight8 = 1.0 / 256.;"),n.push("vec4 packDepthToRGBA( const in float v ) {"),n.push("    vec4 r = vec4( fract( v * packFactors ), v );"),n.push("    r.yzw -= r.xyz * shiftRight8;"),n.push("    return r * packUpScale;"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return n.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),Xu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),Yu=re.vec3(),Ju=re.vec3(),Zu=re.vec3();re.vec3();var qu=re.mat4(),$u=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=Yu;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=Ju;if(l){var v=re.transformPoint3(c,l,Zu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=He(h,f,qu),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ec=re.vec3(),tc=re.vec3(),ic=re.vec3();re.vec3();var rc=re.mat4(),sc=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=ec;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=tc;if(l){var v=re.transformPoint3(c,l,ic);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=He(h,f,rc),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),nc=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Hu(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ju(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new Ku(this._scene)),this._depthRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Gu(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new zu(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new Wu(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new Xu(this._scene)),this._shadowRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new $u(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new sc(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),oc={};var ac=new Uint8Array(4),lc=new Float32Array(1),uc=new Float32Array(3),cc=new Float32Array(4),Ac=function(){function e(t){var i,r,s;B(this,e),this.model=t.model,this.material=t.material,this.sortId="PointsInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=oc[r])||(s=new nc(i),oc[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete oc[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new hi({obb:re.OBB3(),numInstances:0,origin:t.origin?re.vec3(t.origin):null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.meshMatrix,r=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(r[0]),this._pickColors.push(r[1]),this._pickColors.push(r[2]),this._pickColors.push(r[3]),this._state.numInstances++;var s=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),s}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,r=i.geometry;if(t>0){i.flagsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){i.offsetsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(r.positionsCompressed&&r.positionsCompressed.length>0){i.positionsBuf=new Wt(e,e.ARRAY_BUFFER,r.positionsCompressed,r.positionsCompressed.length,3,e.STATIC_DRAW,!1),i.positionsDecodeMatrix=re.mat4(r.positionsDecodeMatrix)}if(r.colorsCompressed&&r.colorsCompressed.length>0){var s=new Uint8Array(r.colorsCompressed);i.colorsBuf=new Wt(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,!1)}if(this._modelMatrixCol0.length>0){var n=!1;i.modelMatrixCol0Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,n),i.modelMatrixCol1Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,n),i.modelMatrixCol2Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,n),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){i.pickColorsBuf=new Wt(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,!1),this._pickColors=[]}i.geometry=null,this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Ye&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";ac[0]=t[0],ac[1]=t[1],ac[2]=t[2],this._state.colorsBuf.setData(ac,3*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ke),s=!!(t&qe),n=!!(t&$e),o=!!(t&et),a=!!(t&tt),l=!!(t&Ye),u=!!(t&Xe),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.SILHOUETTE_SELECTED:n?Uo.SILHOUETTE_HIGHLIGHTED:s?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED)<<4,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.EDGES_SELECTED:n?Uo.EDGES_HIGHLIGHTED:s?Uo.EDGES_XRAYED:a?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED)<<8,c|=(r&&!u&&l?Uo.PICK:Uo.NOT_RENDERED)<<12,c|=(t&Je?255:0)<<16,lc[0]=c,this._state.flagsBuf.setData(lc,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(uc[0]=t[0],uc[1]=t[1],uc[2]=t[2],this._state.offsetsBuf.setData(uc,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;cc[0]=t[0],cc[1]=t[4],cc[2]=t[8],cc[3]=t[12],this._state.modelMatrixCol0Buf.setData(cc,i),cc[0]=t[1],cc[1]=t[5],cc[2]=t[9],cc[3]=t[13],this._state.modelMatrixCol1Buf.setData(cc,i),cc[0]=t[2],cc[1]=t[6],cc[2]=t[10],cc[3]=t[14],this._state.modelMatrixCol2Buf.setData(cc,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK)}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),hc=re.vec3(),dc=re.vec3(),pc=re.mat4(),fc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix,h=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=hc;if(p){var g=re.transformPoint3(A,u,dc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=He(h,v,pc)}else d=h;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=n.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(u){var E=We(M.dist,M.dir,u,hc,n.matrix);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),o.drawArrays(o.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),o.drawArrays(o.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),o.drawArrays(o.LINES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// LinesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),vc=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}},{key:"eagerCreateRenders",value:function(){}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new fc(this._scene,!1)),this._colorRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy()}}]),e}(),gc={};var mc=C((function e(){B(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]})),_c=function(){function e(){B(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindLineIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),yc=function(){function e(t,i,r,s){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;B(this,e),this._gl=t,this._texture=i,this._textureWidth=r,this._textureHeight=s,this._textureData=n}return C(e,[{key:"bindTexture",value:function(e,t,i){return e.bindTexture(t,this,i)}},{key:"bind",value:function(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}},{key:"unbind",value:function(e){}}]),e}(),bc={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(bc,null,4));var e=0;Object.keys(bc).forEach((function(t){t.startsWith("size")&&(e+=bc[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/bc.totalLines).toFixed(2)));var t={};Object.keys(bc).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((bc[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var xc=function(){function e(){B(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"generateTextureForColorsAndFlags",value:function(e,t,i,r,s){var n=t.length;this.numPortions=n;var o=4096,a=Math.ceil(n/512);if(0===a)throw"texture height===0";var l=new Uint8Array(16384*a);bc.sizeDataColorsAndFlags+=l.byteLength,bc.numberOfTextures++;for(var u=0;u<n;u++)l.set(t[u],32*u+0),l.set(i[u],32*u+4),l.set([0,0,0,0],32*u+8),l.set([0,0,0,0],32*u+12),l.set([r[u]>>24&255,r[u]>>16&255,r[u]>>8&255,255&r[u]],32*u+16),l.set([s[u]>>24&255,s[u]>>16&255,s[u]>>8&255,255&s[u]],32*u+20);var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,o,a,l)}},{key:"generateTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);bc.sizeDataTextureOffsets+=s.byteLength,bc.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,n,i,r,s)}},{key:"generateTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);bc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,a,r,s,n)}},{key:"generateTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);bc.sizeDataPositionDecodeMatrices+=n.byteLength,bc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,a,r,s)}},{key:"generateTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);bc.sizeDataTextureIndices+=n.byteLength,bc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"generateTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);bc.sizeDataTextureIndices+=n.byteLength,bc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"generateTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);bc.sizeDataTextureIndices+=n.byteLength,bc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"generateTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);bc.sizeDataTexturePositions+=o.byteLength,bc.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var c=t[a];o.set(c,l),l+=c.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,A,s,n)}},{key:"generateTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),bc.sizeDataTexturePortionIds+=n.byteLength,bc.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,o,r,s)}}]),e}(),wc=new Ba,Bc=wc.maxDataTextureHeight,Pc=new Float32Array(16),Cc=new Uint8Array(4),Mc=new Float32Array(3),Ec=0,Fc=re.identityMat4(),kc=function(){function e(t,i){var r,s,n;B(this,e),bc.numberOfLayers++,this._layerNumber=Ec++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=gc[s])||(n=new vc(r),gc[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete gc[s],n._destroy()}))),n),this.model=t,this._buffer=new mc,this._dataTextureState=new _c,this._dataTextureGenerator=new xc,this._state=new hi({origin:re.vec3(i.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&bc.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/2})),(this._state.numVertices+n>4096*Bc||s+o>4096*Bc)&&bc.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*Bc&&s+o<=4096*Bc)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/2/8)*2;bc.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}var s=t.positionsCompressed,n=t.indices,o=this._buffer;o.positionsCompressed.push(s);var a,l=o.lenPositionsCompressed/3,u=s.length/3;o.lenPositionsCompressed+=s.length;var c,A=0;n&&(A=n.length/2,u<=256?(c=o.indices8Bits,a=o.lenIndices8Bits/2,o.lenIndices8Bits+=n.length):u<=65536?(c=o.indices16Bits,a=o.lenIndices16Bits/2,o.lenIndices16Bits+=n.length):(c=o.indices32Bits,a=o.lenIndices32Bits/2,o.lenIndices32Bits+=n.length),c.push(n));return this._state.numVertices+=u,bc.numberOfGeometries++,{vertexBase:l,numVertices:u,numLines:A,indicesBase:a}}},{key:"_createSubPortion",value:function(e,t){var i,r=e.color,s=e.colors,n=e.opacity,o=e.meshMatrix,a=e.pickColor,l=this._buffer,u=this._state;l.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),l.perObjectInstancePositioningMatrices.push(o||Fc),l.perObjectSolid.push(!!e.solid),s?l.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):r&&l.perObjectColors.push([r[0],r[1],r[2],n]),l.perObjectPickColors.push(a),l.perObjectVertexBases.push(t.vertexBase),i=t.numVertices<=256?u.numIndices8Bits:t.numVertices<=65536?u.numIndices16Bits:u.numIndices32Bits,l.perObjectIndexBaseOffsets.push(i/2-t.indicesBase);var c=this._subPortions.length;if(t.numLines>0){var A,h=2*t.numLines;t.numVertices<=256?(A=l.perLineNumberPortionId8Bits,u.numIndices8Bits+=h,bc.totalLines8Bits+=t.numLines):t.numVertices<=65536?(A=l.perLineNumberPortionId16Bits,u.numIndices16Bits+=h,bc.totalLines16Bits+=t.numLines):(A=l.perLineNumberPortionId32Bits,u.numIndices32Bits+=h,bc.totalLines32Bits+=t.numLines),bc.totalLines+=t.numLines;for(var d=0;d<t.numLines;d+=8)A.push(c)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,bc.numberOfPortions++,c}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dataTextureState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId8Bits),i.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId16Bits),i.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(i.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Ye&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;Cc[0]=t[0],Cc[1]=t[1],Cc[2]=t[2],Cc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(Cc,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,Cc))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&Ke),a=!!(t&qe),l=!!(t&$e),u=!!(t&et),c=!!(t&Ye),A=!!(t&Xe);s=!o||A||a?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,n=!o||A?Uo.NOT_RENDERED:u?Uo.SILHOUETTE_SELECTED:l?Uo.SILHOUETTE_HIGHLIGHTED:a?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;var h=o&&!A&&c?Uo.PICK:Uo.NOT_RENDERED,d=this._dataTextureState,p=this.model.scene.canvas.gl;Cc[0]=s,Cc[1]=n,Cc[3]=h,d.texturePerObjectColorsAndFlags._textureData.set(Cc,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),p.bindTexture(p.TEXTURE_2D,d.texturePerObjectColorsAndFlags._texture),p.texSubImage2D(p.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,p.RGBA_INTEGER,p.UNSIGNED_BYTE,Cc))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&Je?255:0,s=this._dataTextureState,n=this.model.scene.canvas.gl;Cc[0]=r,Cc[1]=0,Cc[2]=1,Cc[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(Cc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,Cc))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;Mc[0]=t[0],Mc[1]=t[1],Mc[2]=t[2],i.texturePerObjectOffsets._textureData.set(Mc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,Mc))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;Pc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(Pc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,Pc))}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){}},{key:"drawSilhouetteHighlighted",value:function(e,t){}},{key:"drawSilhouetteSelected",value:function(e,t){}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){}},{key:"drawSnap",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),Ic=re.vec3(),Dc=re.vec3(),Sc=re.vec3();re.vec3();var Tc=re.vec4(),Lc=re.mat4(),Rc=function(){function e(t,i){B(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=Ic;if(p){var g=re.transformPoint3(A,u,Dc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],h=He(s.viewMatrix,v,Lc),(d=Sc)[0]=s.eye[0]-v[0],d[1]=s.eye[1]-v[1],d[2]=s.eye[2]-v[2]}else h=s.viewMatrix,d=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=n.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(u){var E=We(M.dist,M.dir,u,Ic,n.matrix);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new zt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}this._uSceneModelMatrix=r.getLocation("sceneModelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=r.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState.lights,n=t.camera.project;r.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(var o=0,a=s.length;o<a;o++){var l=s[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}if(this._withSAO){var u=t.sao;if(u.possible){var c=i.drawingBufferWidth,A=i.drawingBufferHeight;Tc[0]=c,Tc[1]=A,Tc[2]=u.blendCutoff,Tc[3]=u.blendFactor,i.uniform4fv(this._uSAOParams,Tc),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){var h=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,h)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("uniform mat4 sceneModelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectMatrix;"),n.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = vec3(color.rgb) / 255.0;"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Uc=new Float32Array([1,1,1]),Oc=re.vec3(),Nc=re.vec3(),Qc=re.vec3();re.vec3();var Vc=re.mat4(),Hc=function(){function e(t,i){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix,h=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d,p;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==c[0]||0!==c[1]||0!==c[2]){var f=Oc;if(u){var v=Nc;re.transformPoint3(A,u,v),f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=c[0],f[1]+=c[1],f[2]+=c[2],d=He(h,f,Vc),(p=Qc)[0]=s.eye[0]-f[0],p[1]=s.eye[1]-f[1],p[2]=s.eye[2]-f[2]}else d=h,p=s.eye;if(o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),i===Uo.SILHOUETTE_XRAYED){var g=r.xrayMaterial._state,m=g.fillColor,_=g.fillAlpha;o.uniform4f(this._uColor,m[0],m[1],m[2],_)}else if(i===Uo.SILHOUETTE_HIGHLIGHTED){var y=r.highlightMaterial._state,b=y.fillColor,x=y.fillAlpha;o.uniform4f(this._uColor,b[0],b[1],b[2],x)}else if(i===Uo.SILHOUETTE_SELECTED){var w=r.selectedMaterial._state,B=w.fillColor,P=w.fillAlpha;o.uniform4f(this._uColor,B[0],B[1],B[2],P)}else o.uniform4fv(this._uColor,Uc);if(r.logarithmicDepthBufferEnabled){var C=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,C)}var M=r._sectionPlanesState.getNumAllocatedSectionPlanes(),E=r._sectionPlanesState.sectionPlanes.length;if(M>0)for(var F=r._sectionPlanesState.sectionPlanes,k=t.layerIndex*E,I=n.renderFlags,D=0;D<M;D++){var S=this._uSectionPlanes[D];if(S)if(D<E){var T=I.sectionPlanesActivePerLayer[k+D];if(o.uniform1i(S.active,T?1:0),T){var L=F[D];if(u){var R=We(L.dist,L.dir,u,Oc,n.matrix);o.uniform3fv(S.pos,R)}else o.uniform3fv(S.pos,L.pos);o.uniform3fv(S.dir,L.dir)}}else o.uniform1i(S.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),jc=new Float32Array([0,0,0,1]),Gc=re.vec3(),zc=re.vec3();re.vec3();var Wc=re.mat4(),Kc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=Gc;if(p){var g=re.transformPoint3(A,u,zc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=He(h,v,Wc)}else d=h;if(o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),i===Uo.EDGES_XRAYED){var m=s.xrayMaterial._state,_=m.edgeColor,y=m.edgeAlpha;o.uniform4f(this._uColor,_[0],_[1],_[2],y)}else if(i===Uo.EDGES_HIGHLIGHTED){var b=s.highlightMaterial._state,x=b.edgeColor,w=b.edgeAlpha;o.uniform4f(this._uColor,x[0],x[1],x[2],w)}else if(i===Uo.EDGES_SELECTED){var B=s.selectedMaterial._state,P=B.edgeColor,C=B.edgeAlpha;o.uniform4f(this._uColor,P[0],P[1],P[2],C)}else o.uniform4fv(this._uColor,jc);var M=s._sectionPlanesState.getNumAllocatedSectionPlanes(),E=s._sectionPlanesState.sectionPlanes.length;if(M>0)for(var F=s._sectionPlanesState.sectionPlanes,k=t.layerIndex*E,I=r.renderFlags,D=0;D<M;D++){var S=this._uSectionPlanes[D];if(S)if(D<E){var T=I.sectionPlanesActivePerLayer[k+D];if(o.uniform1i(S.active,T?1:0),T){var L=F[D];if(u){var R=We(L.dist,L.dir,u,Gc,r.matrix);o.uniform3fv(S.pos,R)}else o.uniform3fv(S.pos,L.pos);o.uniform3fv(S.dir,L.dir)}}else o.uniform1i(S.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Xc=re.vec3(),Yc=re.vec3(),Jc=re.mat4(),Zc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=n.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=Xc;if(p){var g=re.transformPoint3(A,u,Yc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=He(h,v,Jc)}else d=h;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,x=r.renderFlags,w=0;w<m;w++){var B=this._uSectionPlanes[w];if(B)if(w<_){var P=x.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(B.active,P?1:0),P){var C=y[w];if(u){var M=We(C.dist,C.dir,u,Xc,r.matrix);o.uniform3fv(B.pos,M)}else o.uniform3fv(B.pos,C.pos);o.uniform3fv(B.dir,C.dir)}}else o.uniform1i(B.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),qc=re.vec3(),$c=re.vec3(),eA=re.vec3(),tA=re.mat4(),iA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=e.pickViewMatrix||a.viewMatrix,f=e.pickProjMatrix||a.projMatrix,v=e.pickOrigin||a.eye,g=e.pickProjMatrix?e.pickZFar:a.project.far;c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==A[0]||0!==A[1]||0!==A[2],_=0!==h[0]||0!==h[1]||0!==h[2];if(m||_){var y=qc;if(m){var b=re.transformPoint3(d,A,$c);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=h[0],y[1]+=h[1],y[2]+=h[2],r=He(p,y,tA),(s=eA)[0]=v[0]-y[0],s[1]=v[1]-y[1],s[2]=v[2]-y[2]}else r=p,s=v;if(l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,f),l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),o.logarithmicDepthBufferEnabled){var x=2/(Math.log(g+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,x)}var w=o._sectionPlanesState.getNumAllocatedSectionPlanes(),B=o._sectionPlanesState.sectionPlanes.length;if(w>0)for(var P=o._sectionPlanesState.sectionPlanes,C=t.layerIndex*B,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<B){var k=M.sectionPlanesActivePerLayer[C+E];if(l.uniform1i(F.active,k?1:0),k){var I=P[E];if(A){var D=We(I.dist,I.dir,A,qc,n.matrix);l.uniform3fv(F.pos,D)}else l.uniform3fv(F.pos,I.pos);l.uniform3fv(F.dir,I.dir)}}else l.uniform1i(F.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),rA=re.vec3(),sA=re.vec3(),nA=re.vec3();re.vec3();var oA=re.mat4(),aA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=e.pickViewMatrix||a.viewMatrix,f=e.pickProjMatrix||a.projMatrix,v=e.pickOrigin||a.eye,g=e.pickProjMatrix?e.pickZFar:a.project.far;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){var m=rA;if(A){var _=sA;re.transformPoint3(d,A,_),m[0]=_[0],m[1]=_[1],m[2]=_[2]}else m[0]=0,m[1]=0,m[2]=0;m[0]+=h[0],m[1]+=h[1],m[2]+=h[2],r=He(p,m,oA),(s=nA)[0]=v[0]-m[0],s[1]=v[1]-m[1],s[2]=v[2]-m[2],e.snapPickOrigin[0]=m[0],e.snapPickOrigin[1]=m[1],e.snapPickOrigin[2]=m[2]}else r=p,s=v,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniform1f(this._uPickZNear,e.pickZNear),l.uniform1f(this._uPickZFar,e.pickZFar),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,f),o.logarithmicDepthBufferEnabled){var y=2/(Math.log(g+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,y)}var b=o._sectionPlanesState.getNumAllocatedSectionPlanes(),x=o._sectionPlanesState.sectionPlanes.length;if(b>0)for(var w=o._sectionPlanesState.sectionPlanes,B=t.layerIndex*x,P=n.renderFlags,C=0;C<b;C++){var M=this._uSectionPlanes[C];if(M)if(C<x){var E=P.sectionPlanesActivePerLayer[B+C];if(l.uniform1i(M.active,E?1:0),E){var F=w[C];if(A){var k=We(F.dist,F.dir,A,rA,n.matrix);l.uniform3fv(M.pos,k)}else l.uniform3fv(M.pos,F.pos);l.uniform3fv(M.dir,F.dir)}}else l.uniform1i(M.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),lA=re.vec3(),uA=re.vec3(),cA=re.vec3(),AA=re.vec3();re.vec3();var hA=re.mat4(),dA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=t.aabb,f=e.pickViewMatrix||a.viewMatrix,v=lA;v[0]=re.safeInv(p[3]-p[0])*re.MAX_INT,v[1]=re.safeInv(p[4]-p[1])*re.MAX_INT,v[2]=re.safeInv(p[5]-p[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){var _=uA;if(g){var y=re.transformPoint3(d,A,cA);_[0]=y[0],_[1]=y[1],_[2]=y[2]}else _[0]=0,_[1]=0,_[2]=0;_[0]+=h[0],_[1]+=h[1],_[2]+=h[2],r=He(f,_,hA),(s=AA)[0]=a.eye[0]-_[0],s[1]=a.eye[1]-_[1],s[2]=a.eye[2]-_[2],e.snapPickOrigin[0]=_[0],e.snapPickOrigin[1]=_[1],e.snapPickOrigin[2]=_[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this.uVectorA,e.snapVectorA),l.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,v),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var b=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,b);var x=o._sectionPlanesState.getNumAllocatedSectionPlanes(),w=o._sectionPlanesState.sectionPlanes.length;if(x>0)for(var B=o._sectionPlanesState.sectionPlanes,P=t.layerIndex*w,C=n.renderFlags,M=0;M<x;M++){var E=this._uSectionPlanes[M];if(E)if(M<w){var F=C.sectionPlanesActivePerLayer[P+M];if(l.uniform1i(E.active,F?1:0),F){var k=B[M];if(A){var I=We(k.dist,k.dir,A,lA,n.matrix);l.uniform3fv(E.pos,I)}else l.uniform3fv(E.pos,k.pos);l.uniform3fv(E.dir,k.dir)}}else l.uniform1i(E.active,0)}var D="edge"===e.snapMode?l.LINES:l.POINTS;u.numEdgeIndices8Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),l.drawArrays(D,0,u.numEdgeIndices8Bits)),u.numEdgeIndices16Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),l.drawArrays(D,0,u.numEdgeIndices16Bits)),u.numEdgeIndices32Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),l.drawArrays(D,0,u.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),pA=re.vec3(),fA=re.vec3(),vA=re.vec3(),gA=re.vec3();re.vec3();var mA=re.mat4(),_A=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=t.aabb,f=e.pickViewMatrix||a.viewMatrix,v=pA;v[0]=re.safeInv(p[3]-p[0])*re.MAX_INT,v[1]=re.safeInv(p[4]-p[1])*re.MAX_INT,v[2]=re.safeInv(p[5]-p[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){var _=fA;if(g){var y=vA;re.transformPoint3(d,A,y),_[0]=y[0],_[1]=y[1],_[2]=y[2]}else _[0]=0,_[1]=0,_[2]=0;_[0]+=h[0],_[1]+=h[1],_[2]+=h[2],r=He(f,_,mA),(s=gA)[0]=a.eye[0]-_[0],s[1]=a.eye[1]-_[1],s[2]=a.eye[2]-_[2],e.snapPickOrigin[0]=_[0],e.snapPickOrigin[1]=_[1],e.snapPickOrigin[2]=_[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this._uVectorA,e.snapVectorA),l.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,v),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var b=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,b);var x=o._sectionPlanesState.getNumAllocatedSectionPlanes(),w=o._sectionPlanesState.sectionPlanes.length;if(x>0)for(var B=o._sectionPlanesState.sectionPlanes,P=t.layerIndex*w,C=n.renderFlags,M=0;M<x;M++){var E=this._uSectionPlanes[M];if(E)if(M<w){var F=C.sectionPlanesActivePerLayer[P+M];if(l.uniform1i(E.active,F?1:0),F){var k=B[M];if(A){var I=We(k.dist,k.dir,A,pA,n.matrix);l.uniform3fv(E.pos,I)}else l.uniform3fv(E.pos,k.pos);l.uniform3fv(E.dir,k.dir)}}else l.uniform1i(E.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),yA=re.vec3(),bA=re.vec3(),xA=re.vec3();re.vec3();var wA=re.mat4(),BA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=e.pickViewMatrix||n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d,p;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==c[0]||0!==c[1]||0!==c[2]){var f=yA;if(u){var v=bA;re.transformPoint3(A,u,v),f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=c[0],f[1]+=c[1],f[2]+=c[2],d=He(h,f,wA),(p=xA)[0]=n.eye[0]-f[0],p[1]=n.eye[1]-f[1],p[2]=n.eye[2]-f[2]}else d=h,p=n.eye;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0)for(var _=s._sectionPlanesState.sectionPlanes,y=t.layerIndex*m,b=r.renderFlags,x=0;x<g;x++){var w=this._uSectionPlanes[x];if(w)if(x<m){var B=b.sectionPlanesActivePerLayer[y+x];if(o.uniform1i(w.active,B?1:0),B){var P=_[x];if(u){var C=We(P.dist,P.dir,u,yA,r.matrix);o.uniform3fv(w.pos,C)}else o.uniform3fv(w.pos,P.pos);o.uniform3fv(w.dir,P.dir)}}else o.uniform1i(w.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){var e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),PA=re.vec3(),CA=re.vec3(),MA=re.vec3();re.vec3();var EA=re.mat4(),FA=function(){function e(t){B(this,e),this._scene=t,this._allocate(),this._hash=this._getHash()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=PA;if(p){var g=re.transformPoint3(A,u,CA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],h=He(s.viewMatrix,v,EA),(d=MA)[0]=s.eye[0]-v[0],d[1]=s.eye[1]-v[1],d[2]=s.eye[2]-v[2]}else h=s.viewMatrix,d=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=n.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(u){var E=We(M.dist,M.dir,u,PA,n.matrix);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),kA=re.vec3(),IA=re.vec3(),DA=re.vec3();re.vec3();var SA=re.mat4(),TA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));var p=0!==l[0]||0!==l[1]||0!==l[2],f=0!==u[0]||0!==u[1]||0!==u[2];if(p||f){var v=kA;if(p){var g=IA;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],h=He(A,v,SA),(d=DA)[0]=n.eye[0]-v[0],d[1]=n.eye[1]-v[1],d[2]=n.eye[2]-v[2]}else h=A,d=n.eye;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,c),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,n.viewNormalMatrix),o.uniformMatrix4fv(this._uWorldNormalMatrix,!1,r.worldNormalMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,x=r.renderFlags,w=0;w<m;w++){var B=this._uSectionPlanes[w];if(B)if(w<_){var P=x.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(B.active,P?1:0),P){var C=y[w];if(l){var M=We(C.dist,C.dir,l,kA,r.matrix);o.uniform3fv(B.pos,M)}else o.uniform3fv(B.pos,C.pos);o.uniform3fv(B.dir,C.dir)}}else o.uniform1i(B.active,0)}o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),LA=re.vec3(),RA=re.vec3(),UA=re.vec3();re.vec3(),re.vec4();var OA=re.mat4(),NA=function(){function e(t,i){B(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));var h,d,p=e.pickViewMatrix||s.viewMatrix,f=e.pickProjMatrix||s.projMatrix,v=e.pickOrigin||s.eye,g=e.pickProjMatrix?e.pickZFar:s.project.far;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==u[0]||0!==u[1]||0!==u[2],_=0!==c[0]||0!==c[1]||0!==c[2];if(m||_){var y=LA;if(m){var b=re.transformPoint3(A,u,RA);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=c[0],y[1]+=c[1],y[2]+=c[2],h=He(p,y,OA),(d=UA)[0]=v[0]-y[0],d[1]=v[1]-y[1],d[2]=v[2]-y[2]}else h=p,d=v;if(o.uniform2fv(this._uPickClipPos,e.pickClipPos),o.uniform2f(this._uDrawingBufferSize,o.drawingBufferWidth,o.drawingBufferHeight),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,f),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var x=2/(Math.log(g+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,x)}var w=r._sectionPlanesState.getNumAllocatedSectionPlanes(),B=r._sectionPlanesState.sectionPlanes.length;if(w>0)for(var P=r._sectionPlanesState.sectionPlanes,C=t.layerIndex*B,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<B){var k=M.sectionPlanesActivePerLayer[C+E];if(o.uniform1i(F.active,k?1:0),k){var I=P[E];if(u){var D=We(I.dist,I.dir,u,LA,n.matrix);o.uniform3fv(F.pos,D)}else o.uniform3fv(F.pos,I.pos);o.uniform3fv(F.dir,I.dir)}}else o.uniform1i(F.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),QA=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new Hc(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new iA(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new aA(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new NA(this._scene)),this._snapRenderer||(this._snapRenderer=new dA(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new _A(this._scene)),this._snapRenderer||(this._snapRenderer=new dA(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Rc(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Rc(this._scene,!0)),this._colorRendererWithSAO}},{key:"colorQualityRendererWithSAO",get:function(){return this._colorQualityRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Hc(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new FA(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new TA(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Kc(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Zc(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new iA(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new NA(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new NA(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new aA(this._scene)),this._pickDepthRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new dA(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new _A(this._scene)),this._snapInitRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new BA(this._scene)),this._occlusionRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}]),e}(),VA={};var HA=C((function e(){B(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]})),jA=function(){function e(){B(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindTriangleIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}},{key:"bindEdgeIndicesTextures",value:function(e,t,i,r){this.edgeIndicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),GA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(GA,null,4));var e=0;Object.keys(GA).forEach((function(t){t.startsWith("size")&&(e+=GA[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/GA.totalPolygons).toFixed(2)));var t={};Object.keys(GA).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((GA[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var zA=function(){function e(){B(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"createTextureForColorsAndFlags",value:function(e,t,i,r,s,n,o){var a=t.length;this.numPortions=a;var l=4096,u=Math.ceil(a/512);if(0===u)throw"texture height===0";var c=new Uint8Array(16384*u);GA.sizeDataColorsAndFlags+=c.byteLength,GA.numberOfTextures++;for(var A=0;A<a;A++)c.set(t[A],32*A+0),c.set(i[A],32*A+4),c.set([0,0,0,0],32*A+8),c.set([0,0,0,0],32*A+12),c.set([r[A]>>24&255,r[A]>>16&255,r[A]>>8&255,255&r[A]],32*A+16),c.set([s[A]>>24&255,s[A]>>16&255,s[A]>>8&255,255&s[A]],32*A+20),c.set([n[A]>>24&255,n[A]>>16&255,n[A]>>8&255,255&n[A]],32*A+24),c.set([o[A]?1:0,0,0,0],32*A+28);var h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,u),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,u,e.RGBA_INTEGER,e.UNSIGNED_BYTE,c,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,h,l,u,c)}},{key:"createTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);GA.sizeDataTextureOffsets+=s.byteLength,GA.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,n,i,r,s)}},{key:"createTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);GA.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,a,r,s,n)}},{key:"createTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);GA.sizeDataPositionDecodeMatrices+=n.byteLength,GA.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,a,r,s)}},{key:"createTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);GA.sizeDataTextureIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);GA.sizeDataTextureIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);GA.sizeDataTextureIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor8BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*2);GA.sizeDataTextureEdgeIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor16BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*2);GA.sizeDataTextureEdgeIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor32BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*2);GA.sizeDataTextureEdgeIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);GA.sizeDataTexturePositions+=o.byteLength,GA.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var c=t[a];o.set(c,l),l+=c.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,A,s,n)}},{key:"createTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),GA.sizeDataTexturePortionIds+=n.byteLength,GA.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,o,r,s)}}]),e}(),WA=new Ba,KA=WA.maxDataTextureHeight,XA=re.vec4(),YA=new Float32Array(16),JA=new Uint8Array(4),ZA=new Float32Array(3),qA=0,$A=re.identityMat4(),eh=function(){function e(t,i){var r,s,n;B(this,e),GA.numberOfLayers++,this._layerNumber=qA++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=VA[s])||(n=new QA(r),VA[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete VA[s],n._destroy()}))),n),this.model=t,this._buffer=new HA,this._dtxState=new jA,this._dtxTextureFactory=new zA,this._state=new hi({origin:re.vec3(i.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&GA.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/3})),(this._state.numVertices+n>4096*KA||s+o>4096*KA)&&GA.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*KA&&s+o<=4096*KA)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/3/8)*3;GA.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}if(t.edgeIndices){var s=8*Math.ceil(t.edgeIndices.length/2/8)*2;GA.overheadSizeAlignementEdgeIndices+=2*(s-t.edgeIndices.length);var n=new Uint32Array(s);n.fill(0),n.set(t.edgeIndices),t.edgeIndices=n}var o=t.positionsCompressed,a=t.indices,l=t.edgeIndices,u=this._buffer;u.positionsCompressed.push(o);var c,A=u.lenPositionsCompressed/3,h=o.length/3;u.lenPositionsCompressed+=o.length;var d,p,f=0;a&&(f=a.length/3,h<=256?(d=u.indices8Bits,c=u.lenIndices8Bits/3,u.lenIndices8Bits+=a.length):h<=65536?(d=u.indices16Bits,c=u.lenIndices16Bits/3,u.lenIndices16Bits+=a.length):(d=u.indices32Bits,c=u.lenIndices32Bits/3,u.lenIndices32Bits+=a.length),d.push(a));var v,g=0;l&&(g=l.length/2,h<=256?(v=u.edgeIndices8Bits,p=u.lenEdgeIndices8Bits/2,u.lenEdgeIndices8Bits+=l.length):h<=65536?(v=u.edgeIndices16Bits,p=u.lenEdgeIndices16Bits/2,u.lenEdgeIndices16Bits+=l.length):(v=u.edgeIndices32Bits,p=u.lenEdgeIndices32Bits/2,u.lenEdgeIndices32Bits+=l.length),v.push(l));return this._state.numVertices+=h,GA.numberOfGeometries++,{vertexBase:A,numVertices:h,numTriangles:f,numEdges:g,indicesBase:c,edgeIndicesBase:p}}},{key:"_createSubPortion",value:function(e,t,i,r){var s=e.color;e.metallic,e.roughness;var n,o,a=e.colors,l=e.opacity,u=e.meshMatrix,c=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(u||$A),A.perObjectSolid.push(!!e.solid),a?A.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):s&&A.perObjectColors.push([s[0],s[1],s[2],l]),A.perObjectPickColors.push(c),A.perObjectVertexBases.push(t.vertexBase),n=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(n/3-t.indicesBase),o=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(o/2-t.edgeIndicesBase);var d=this._subPortions.length;if(t.numTriangles>0){var p,f=3*t.numTriangles;t.numVertices<=256?(p=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=f,GA.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(p=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=f,GA.totalPolygons16Bits+=t.numTriangles):(p=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=f,GA.totalPolygons32Bits+=t.numTriangles),GA.totalPolygons+=t.numTriangles;for(var v=0;v<t.numTriangles;v+=8)p.push(d)}if(t.numEdges>0){var g,m=2*t.numEdges;t.numVertices<=256?(g=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=m,GA.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(g=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=m,GA.totalEdges16Bits+=t.numEdges):(g=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=m,GA.totalEdges32Bits+=t.numEdges),GA.totalEdges+=t.numEdges;for(var _=0;_<t.numEdges;_+=8)g.push(d)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[d]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,GA.numberOfPortions++,d}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dtxState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId8Bits),i.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId16Bits),i.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(i.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(i.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(i.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(i.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(i.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(r,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(i.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(r,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(i.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(r,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"isEmpty",value:function(){return 0===this._numPortions}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Ye&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;JA[0]=t[0],JA[1]=t[1],JA[2]=t[2],JA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(JA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,JA))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&Ke),a=!!(t&qe),l=!!(t&$e),u=!!(t&et),c=!!(t&tt),A=!!(t&Ye),h=!!(t&Xe);s=!o||h||a||l&&!this.model.scene.highlightMaterial.glowThrough||u&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,n=!o||h?Uo.NOT_RENDERED:u?Uo.SILHOUETTE_SELECTED:l?Uo.SILHOUETTE_HIGHLIGHTED:a?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;var d=0;d=!o||h?Uo.NOT_RENDERED:u?Uo.EDGES_SELECTED:l?Uo.EDGES_HIGHLIGHTED:a?Uo.EDGES_XRAYED:c?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED;var p=o&&!h&&A?Uo.PICK:Uo.NOT_RENDERED,f=this._dtxState,v=this.model.scene.canvas.gl;JA[0]=s,JA[1]=n,JA[2]=d,JA[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(JA,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),v.bindTexture(v.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),v.texSubImage2D(v.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,v.RGBA_INTEGER,v.UNSIGNED_BYTE,JA))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&Je?255:0,s=this._dtxState,n=this.model.scene.canvas.gl;JA[0]=r,JA[1]=0,JA[2]=1,JA[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(JA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,JA))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;ZA[0]=t[0],ZA[1]=t[1],ZA[2]=t[2],i.texturePerObjectOffsets._textureData.set(ZA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,ZA))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;YA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(YA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,YA))}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portionToSubPortionsMap[e];if(r)for(var s=0,n=r.length;s<n;s++){var o=r[s],a=this._subPortionReadableGeometries[o],l=a.positionsCompressed,u=a.positionsDecodeMatrix;a.meshMatrix;for(var c=i.origin,A=c[0],h=c[1],d=c[2],p=XA,f=0,v=l.length;f<v;f+=3)p[0]=l[f],p[1]=l[f+1],p[2]=l[f+2],p[3]=1,re.decompressPosition(p,u),re.transformPoint4(this.model.worldMatrix,p,p),re.transformPoint4(this.model.worldMatrix,p,p),p[0]+=A,p[1]+=h,p[2]+=d,t(p)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portionToSubPortionsMap[e];if(i)for(var r=0,s=i.length;r<s;r++)for(var n=i[r],o=this._subPortionReadableGeometries[n].indices,a=0,l=o.length;a<l;a++)t(o[a]);else this.model.error("portion not found: "+e)}}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickDepths",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Uo.PICK))}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),th=function(){function e(t){B(this,e),this.id=t.id,this.colorTexture=t.colorTexture,this.alphaCutoff=t.alphaCutoff,this.metallicRoughnessTexture=t.metallicRoughnessTexture,this.normalsTexture=t.normalsTexture,this.emissiveTexture=t.emissiveTexture,this.occlusionTexture=t.occlusionTexture}return C(e,[{key:"destroy",value:function(){}}]),e}(),ih=function(){function e(t){B(this,e),this.id=t.id,this.texture=t.texture}return C(e,[{key:"destroy",value:function(){this.texture&&(this.texture.destroy(),this.texture=null)}}]),e}(),rh={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}},sh=function(){function e(t,i,r){B(this,e),this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=t,this.onProgress=i,this.onError=r}return C(e,[{key:"itemStart",value:function(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}},{key:"itemEnd",value:function(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}},{key:"itemError",value:function(e){void 0!==this.onError&&this.onError(e)}},{key:"resolveURL",value:function(e){return this.urlModifier?this.urlModifier(e):e}},{key:"setURLModifier",value:function(e){return this.urlModifier=e,this}},{key:"addHandler",value:function(e,t){return this.handlers.push(e,t),this}},{key:"removeHandler",value:function(e){var t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}},{key:"getHandler",value:function(e){for(var t=0,i=this.handlers.length;t<i;t+=2){var r=this.handlers[t],s=this.handlers[t+1];if(r.global&&(r.lastIndex=0),r.test(e))return s}return null}}]),e}(),nh=new sh,oh=function(){function e(t){B(this,e),this.manager=void 0!==t?t:nh,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}return C(e,[{key:"load",value:function(){}},{key:"loadAsync",value:function(e,t){var i=this;return new Promise((function(r,s){i.load(e,r,t,s)}))}},{key:"parse",value:function(){}},{key:"setCrossOrigin",value:function(e){return this.crossOrigin=e,this}},{key:"setWithCredentials",value:function(e){return this.withCredentials=e,this}},{key:"setPath",value:function(e){return this.path=e,this}},{key:"setResourcePath",value:function(e){return this.resourcePath=e,this}},{key:"setRequestHeader",value:function(e){return this.requestHeader=e,this}}]),e}(),ah={},lh=function(e){g(i,oh);var t=_(i);function i(e){return B(this,i),t.call(this,e)}return C(i,[{key:"load",value:function(e,t,i,r){var s=this;void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);var n=rh.get(e);if(void 0!==n)return this.manager.itemStart(e),we.scheduleTask((function(){t&&t(n),s.manager.itemEnd(e)}),0),n;if(void 0===ah[e]){ah[e]=[],ah[e].push({onLoad:t,onProgress:i,onError:r});var o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,l=this.responseType;fetch(o).then((function(t){if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;var i=ah[e],r=t.body.getReader(),s=t.headers.get("Content-Length"),n=s?parseInt(s):0,o=0!==n,a=0,l=new ReadableStream({start:function(e){!function t(){r.read().then((function(r){var s=r.done,l=r.value;if(s)e.close();else{a+=l.byteLength;for(var u=new ProgressEvent("progress",{lengthComputable:o,loaded:a,total:n}),c=0,A=i.length;c<A;c++){var h=i[c];h.onProgress&&h.onProgress(u)}e.enqueue(l),t()}}))}()}});return new Response(l)}throw Error('fetch for "'.concat(t.url,'" responded with ').concat(t.status,": ").concat(t.statusText))})).then((function(e){switch(l){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((function(e){return(new DOMParser).parseFromString(e,a)}));case"json":return e.json();default:if(void 0===a)return e.text();var t=/charset="?([^;"\s]*)"?/i.exec(a),i=t&&t[1]?t[1].toLowerCase():void 0,r=new TextDecoder(i);return e.arrayBuffer().then((function(e){return r.decode(e)}))}})).then((function(t){rh.add(e,t);var i=ah[e];delete ah[e];for(var r=0,s=i.length;r<s;r++){var n=i[r];n.onLoad&&n.onLoad(t)}})).catch((function(t){var i=ah[e];if(void 0===i)throw s.manager.itemError(e),t;delete ah[e];for(var r=0,n=i.length;r<n;r++){var o=i[r];o.onError&&o.onError(t)}s.manager.itemError(e)})).finally((function(){s.manager.itemEnd(e)})),this.manager.itemStart(e)}else ah[e].push({onLoad:t,onProgress:i,onError:r})}},{key:"setResponseType",value:function(e){return this.responseType=e,this}},{key:"setMimeType",value:function(e){return this.mimeType=e,this}}]),i}(),uh=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:4;B(this,e),this.pool=t,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}return C(e,[{key:"_initWorker",value:function(e){if(!this.workers[e]){var t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}},{key:"_getIdleWorker",value:function(){for(var e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}},{key:"_onMessage",value:function(e,t){var i=this.workersResolve[e];if(i&&i(t),this.queue.length){var r=this.queue.shift(),s=r.resolve,n=r.msg,o=r.transfer;this.workersResolve[e]=s,this.workers[e].postMessage(n,o)}else this.workerStatus^=1<<e}},{key:"setWorkerCreator",value:function(e){this.workerCreator=e}},{key:"setWorkerLimit",value:function(e){this.pool=e}},{key:"postMessage",value:function(e,t){var i=this;return new Promise((function(r){var s=i._getIdleWorker();-1!==s?(i._initWorker(s),i.workerStatus|=1<<s,i.workersResolve[s]=r,i.workers[s].postMessage(e,t)):i.queue.push({resolve:r,msg:e,transfer:t})}))}},{key:"destroy",value:function(){this.workers.forEach((function(e){return e.terminate()})),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}]),e}(),ch=0,Ah=function(){function e(t){var i=t.viewer,r=t.transcoderPath,s=t.workerLimit;B(this,e),this._transcoderPath=r||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new uh,this._workerSourceURL="",s&&this._workerPool.setWorkerLimit(s);var n=i.capabilities;this._workerConfig={astcSupported:n.astcSupported,etc1Supported:n.etc1Supported,etc2Supported:n.etc2Supported,dxtSupported:n.dxtSupported,bptcSupported:n.bptcSupported,pvrtcSupported:n.pvrtcSupported},this._supportedFileTypes=["xkt2"]}return C(e,[{key:"_init",value:function(){var t=this;if(!this._transcoderPending){var i=new lh;i.setPath(this._transcoderPath),i.setWithCredentials(this.withCredentials);var r=i.loadAsync("basis_transcoder.js"),s=new lh;s.setPath(this._transcoderPath),s.setResponseType("arraybuffer"),s.setWithCredentials(this.withCredentials);var n=s.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([r,n]).then((function(i){var r=A(i,2),s=r[0],n=r[1],o=e.BasisWorker.toString(),a=["/* constants */","let _EngineFormat = "+JSON.stringify(e.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(e.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(e.BasisFormat),"/* 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this._invoke("throw",e)},F.prototype.return=function(e){return this._invoke("return",e)};var S,T,L,R,U,O,N,Q,V,H,j,G=function(){function e(t,i){B(this,e),this.items=t||[],this._lastUniqueId=(i||0)+1}return C(e,[{key:"addItem",value:function(){var e;if(2===arguments.length){var t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){var i=this._lastUniqueId++;if(!this.items[i])return this.items[i]=e,i}}},{key:"removeItem",value:function(e){var t=this.items[e];return delete this.items[e],t}}]),e}(),z=new G,W=C((function e(t){B(this,e),this.id=t,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0})),K=C((function e(){B(this,e),this.items=[]})),X=C((function e(t,i,r,s,n){B(this,e),this.id=t,this.getTitle=i,this.doAction=r,this.getEnabled=s,this.getShown=n,this.itemElement=null,this.subMenu=null,this.enabled=!0})),J=function(){function e(){var t=this,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this._id=z.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==i.hideOnMouseDown&&(document.addEventListener("mousedown",(function(e){e.target.classList.contains("xeokit-context-menu-item")||t.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){e.target.classList.contains("xeokit-context-menu-item")||t.hide()})),i.items&&(this.items=i.items),this._hideOnAction=!1!==i.hideOnAction,this.context=i.context,this.enabled=!1!==i.enabled,this.hide()}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"items",get:function(){return this._itemsCfg},set:function(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}},{key:"enabled",get:function(){return this._enabled},set:function(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}},{key:"context",get:function(){return this._context},set:function(e){this._context=e}},{key:"show",value:function(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._updateSubMenuInfo(),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}},{key:"shown",get:function(){return this._shown}},{key:"hide",value:function(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}},{key:"destroy",value:function(){this._context=null,this._clear(),null!==this._id&&(z.removeItem(this._id),this._id=null)}},{key:"_clear",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e].menuElement;i.parentElement.removeChild(i)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}},{key:"_parseItems",value:function(e){var t=this;this._rootMenu=function e(i){for(var r=t._getNextId(),s=new W(r),n=0,o=i.length;n<o;n++){var a=i[n],l=new K;s.groups.push(l);for(var u=function(i,r){var n=a[i],o=n.items,u=o&&o.length>0,c=t._getNextId(),A=n.getTitle||function(){return n.title||""},h=n.doAction||n.callback||function(){},d=n.getEnabled||function(){return!0},p=n.getShown||function(){return!0},f=new X(c,A,h,d,p);if(f.parentMenu=s,l.items.push(f),u){var v=e(o);f.subMenu=v,v.parentItem=f}t._itemList.push(f),t._itemMap[f.id]=f},c=0,A=a.length;c<A;c++)u(c)}return t._menuList.push(s),t._menuMap[s.id]=s,s}(e)}},{key:"_getNextId",value:function(){return"ContextMenu_"+this._id+"_"+this._nextId++}},{key:"_createUI",value:function(){var e=this;!function t(i){e._createMenuUI(i);for(var r=i.groups,s=0,n=r.length;s<n;s++)for(var o=r[s].items,a=0,l=o.length;a<l;a++){var u=o[a].subMenu;u&&t(u)}}(this._rootMenu)}},{key:"_createMenuUI",value:function(e){var t=this,i=e.groups,r=[];if(r.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),r.push("<ul>"),i)for(var s=0,n=i.length;s<n;s++){var o=s,a=n,l=i[s].items;if(l)for(var u=0,c=l.length;u<c;u++){var A=l[u],h=A.subMenu,d=A.title||"";h?(r.push('<li id="'+A.id+'" class="xeokit-context-menu-item xeokit-context-menu-submenu">'+d+"</li>"),o===a-1||u<c-1||r.push('<li id="'+A.id+'" class="xeokit-context-menu-item-separator"></li>')):(r.push('<li id="'+A.id+'" class="xeokit-context-menu-item">'+d+"</li>"),o===a-1||u<c-1||r.push('<li id="'+A.id+'" class="xeokit-context-menu-item-separator"></li>'))}}r.push("</ul>"),r.push("</div>");var p=r.join("");document.body.insertAdjacentHTML("beforeend",p);var f=document.querySelector("."+e.id);e.menuElement=f,f.style["border-radius"]="4px",f.style.display="none",f.style["z-index"]=3e5,f.style.background="white",f.style.border="1px solid black",f.style["box-shadow"]="0 4px 5px 0 gray",f.oncontextmenu=function(e){e.preventDefault()};var v=this,g=null;if(i)for(var m=0,_=i.length;m<_;m++){var y=i[m].items;if(y)for(var b=function(e,i){var r=y[e],s=r.subMenu;if(r.itemElement=document.getElementById(r.id),!r.itemElement)return console.error("ContextMenu item element not found: "+r.id),"continue";r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault();var t=r.subMenu;if(t){if(g&&g.id!==t.id&&(v._hideMenu(g.id),g=null),!1!==r.enabled){var i=r.itemElement,s=t.menuElement,n=i.getBoundingClientRect();s.getBoundingClientRect();n.right+200>window.innerWidth?v._showMenu(t.id,n.left-200,n.top-1):v._showMenu(t.id,n.right-5,n.top-1),g=t}}else g&&(v._hideMenu(g.id),g=null)})),s||(r.itemElement.addEventListener("click",(function(e){e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus()))})),r.itemElement.addEventListener("mouseup",(function(e){3===e.which&&(e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus())))})),r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault(),!1!==r.enabled&&r.doHover&&r.doHover(v._context)})))},x=0,w=y.length;x<w;x++)b(x)}}},{key:"_updateItemsTitles",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getShown;if(s&&s(this._context)){var n=i.getTitle(this._context);i.subMenu,r.innerText=n}}}}},{key:"_updateItemsEnabledStatus",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getEnabled;if(s){var n=i.getShown;if(n){var o=n(this._context);if(i.shown=o,o){r.style.display="";var a=s(this._context);i.enabled=a,a?r.classList.remove("disabled"):r.classList.add("disabled")}else r.style.display="none"}}}}}},{key:"_updateSubMenuInfo",value:function(){var e,t,i,r,s,n;this._context&&this._itemList.forEach((function(o){o.subMenu&&(e=o.itemElement,t=e.getBoundingClientRect(),i=o.subMenu.menuElement,r={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",n=o.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=r.visibility,i.style.display=r.display,s=t.right+n>window.innerWidth,e.setAttribute("data-submenuposition",s?"left":"right"))}))}},{key:"_showMenu",value:function(e,t,i){var r=this._menuMap[e];if(r){if(!r.shown){var s=r.menuElement;s&&(this._showMenuElement(s,t,i),r.shown=!0)}}else console.error("Menu not found: "+e)}},{key:"_hideMenu",value:function(e){var t=this._menuMap[e];if(t){if(t.shown){var i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}}else console.error("Menu not found: "+e)}},{key:"_hideAllMenus",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e];this._hideMenu(i.id)}}},{key:"_showMenuElement",value:function(e,t,i){e.style.display="block";var r=e.offsetHeight,s=e.offsetWidth;i+r>window.innerHeight&&(i=window.innerHeight-r),t+s>window.innerWidth&&(t=window.innerWidth-s),e.style.left=t+"px",e.style.top=i+"px"}},{key:"_hideMenuElement",value:function(e){e.style.display="none"}}]),e}(),Y=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this.viewer=t,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=r.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id="".concat(this._lensContainerId,"-canvas"),this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=r.lensPosToggle||!0,this._lensPosToggleAmount=r.lensPosToggleAmount||85,this._lensPosMarginLeft=r.lensPosMarginLeft||85,this._lensPosMarginTop=r.lensPosMarginTop||25,this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),this._zoomLevel=r.zoomLevel||2,this._active=!1!==r.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(function(){i._active&&i._visible&&i.update()}))}return C(e,[{key:"update",value:function(){if(this._active&&this._visible&&this._canvasPos){var e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),i&&(this._lensPosToggle?this._lensContainer.style.marginTop="".concat(t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount,"px"):this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);var r=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-r/2,this._canvasPos[1]-r/2,r,r,0,0,this._lensCanvas.width,this._lensCanvas.height);var s=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){var n=this._snappedCanvasPos[0]-this._canvasPos[0],o=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft="".concat(s[0]+n*this._zoomLevel-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]+o*this._zoomLevel-10,"px")}else this._lensCursorDiv.style.marginLeft="".concat(s[0]-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]-10,"px")}}},{key:"zoomFactor",get:function(){return this._zoomFactor},set:function(e){this._zoomFactor=e,this.update()}},{key:"canvasPos",get:function(){return this._canvasPos},set:function(e){this._canvasPos=e,this.update()}},{key:"snappedCanvasPos",get:function(){return this._snappedCanvasPos},set:function(e){this._snappedCanvasPos=e,this.update()}},{key:"snapped",get:function(){return this._snapped},set:function(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}},{key:"active",get:function(){return this._active},set:function(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"destroy",value:function(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}]),e}(),Z=!0,q=Z?Float64Array:Float32Array,$=new q(3),ee=new q(16),te=new q(16),ie=new q(4),re={setDoublePrecisionEnabled:function(e){q=(Z=e)?Float64Array:Float32Array},getDoublePrecisionEnabled:function(){return Z},MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId:function(e,t){var i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:function(e,t){return e+"#"+t},safeInv:function(e){var t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:function(e){return new q(e||2)},vec3:function(e){return new q(e||3)},vec4:function(e){return new q(e||4)},mat3:function(e){return new q(e||9)},mat3ToMat4:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new q(16);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},mat4:function(e){return new q(e||16)},mat4ToMat3:function(e,t){},doublesToFloats:function(e,t,i){for(var r=new q(2),s=0,n=e.length;s<n;s++)re.splitDouble(e[s],r),t[s]=r[0],i[s]=r[1]},splitDouble:function(e,t){var i=q.from([e])[0],r=e-i;t[0]=i,t[1]=r},createUUID:function(){for(var e=[],t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return function(){var t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,r=4294967295*Math.random()|0,s=4294967295*Math.random()|0;return"".concat(e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255],"-").concat(e[255&i]).concat(e[i>>8&255],"-").concat(e[i>>16&15|64]).concat(e[i>>24&255],"-").concat(e[63&r|128]).concat(e[r>>8&255],"-").concat(e[r>>16&255]).concat(e[r>>24&255]).concat(e[255&s]).concat(e[s>>8&255]).concat(e[s>>16&255]).concat(e[s>>24&255])}}(),clamp:function(e,t,i){return Math.max(t,Math.min(i,e))},fmod:function(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]},negateVec3:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t},negateVec4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t},addVec4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i},addVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i},addVec3:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i},addVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i},subVec4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i},subVec3:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i},subVec2:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i},geometricMeanVec2:function(){for(var e=arguments.length,t=new Array(e),i=0;i<e;i++)t[i]=arguments[i];for(var r=new q(t[0]),s=1;s<t.length;s++)r[0]+=t[s][0],r[1]+=t[s][1];return r[0]/=t.length,r[1]/=t.length,r},subVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i},subScalarVec4:function(e,t,i){return i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i},mulVec4:function(e,t,i){return i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i},mulVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i},mulVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i},mulVec2Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i},divVec3:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i},divVec4:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i},divScalarVec3:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i},divVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i},divVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i},divScalarVec4:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i},dotVec4:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3]},cross3Vec4:function(e,t){var i=e[0],r=e[1],s=e[2],n=t[0],o=t[1],a=t[2];return[r*a-s*o,s*n-i*a,i*o-r*n,0]},cross3Vec3:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=t[0],a=t[1],l=t[2];return i[0]=s*l-n*a,i[1]=n*o-r*l,i[2]=r*a-s*o,i},sqLenVec4:function(e){return re.dotVec4(e,e)},lenVec4:function(e){return Math.sqrt(re.sqLenVec4(e))},dotVec3:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]},dotVec2:function(e,t){return e[0]*t[0]+e[1]*t[1]},sqLenVec3:function(e){return re.dotVec3(e,e)},sqLenVec2:function(e){return re.dotVec2(e,e)},lenVec3:function(e){return Math.sqrt(re.sqLenVec3(e))},distVec3:(j=new q(3),function(e,t){return re.lenVec3(re.subVec3(e,t,j))}),lenVec2:function(e){return Math.sqrt(re.sqLenVec2(e))},distVec2:function(){var e=new q(2);return function(t,i){return re.lenVec2(re.subVec2(t,i,e))}}(),rcpVec3:function(e,t){return re.divScalarVec3(1,e,t)},normalizeVec4:function(e,t){var i=1/re.lenVec4(e);return re.mulVec4Scalar(e,i,t)},normalizeVec3:function(e,t){var i=1/re.lenVec3(e);return re.mulVec3Scalar(e,i,t)},normalizeVec2:function(e,t){var i=1/re.lenVec2(e);return re.mulVec2Scalar(e,i,t)},angleVec3:function(e,t){var i=re.dotVec3(e,t)/Math.sqrt(re.sqLenVec3(e)*re.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:function(){var e=new q(3);return function(t,i){return e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=re.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=re.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=re.lenVec3(e),i}}(),vecToArray:function(){function e(e){return Math.round(1e5*e)/1e5}return function(t){for(var i=0,r=(t=Array.prototype.slice.call(t)).length;i<r;i++)t[i]=e(t[i]);return t}}(),xyzArrayToObject:function(e){return{x:e[0],y:e[1],z:e[2]}},xyzObjectToArray:function(e,t){return(t=t||re.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t},dupMat4:function(e){return e.slice(0,16)},mat4To3:function(e){return[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]]},m4s:function(e){return[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e]},setMat4ToZeroes:function(){return re.m4s(0)},setMat4ToOnes:function(){return re.m4s(1)},diagonalMat4v:function(e){return new q([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]])},diagonalMat4c:function(e,t,i,r){return re.diagonalMat4v([e,t,i,r])},diagonalMat4s:function(e){return re.diagonalMat4c(e,e,e,e)},identityMat4:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(16);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},identityMat3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(9);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e},isIdentityMat4:function(e){return 1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15]},negateMat4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t},addMat4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i},addMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i},addScalarMat4:function(e,t,i){return re.addMat4Scalar(t,e,i)},subMat4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i},subMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i},subScalarMat4:function(e,t,i){return i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i},mulMat4:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=e[3],a=e[4],l=e[5],u=e[6],c=e[7],A=e[8],h=e[9],d=e[10],p=e[11],f=e[12],v=e[13],g=e[14],m=e[15],_=t[0],y=t[1],b=t[2],x=t[3],w=t[4],B=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],k=t[11],I=t[12],D=t[13],S=t[14],T=t[15];return i[0]=_*r+y*a+b*A+x*f,i[1]=_*s+y*l+b*h+x*v,i[2]=_*n+y*u+b*d+x*g,i[3]=_*o+y*c+b*p+x*m,i[4]=w*r+B*a+P*A+C*f,i[5]=w*s+B*l+P*h+C*v,i[6]=w*n+B*u+P*d+C*g,i[7]=w*o+B*c+P*p+C*m,i[8]=M*r+E*a+F*A+k*f,i[9]=M*s+E*l+F*h+k*v,i[10]=M*n+E*u+F*d+k*g,i[11]=M*o+E*c+F*p+k*m,i[12]=I*r+D*a+S*A+T*f,i[13]=I*s+D*l+S*h+T*v,i[14]=I*n+D*u+S*d+T*g,i[15]=I*o+D*c+S*p+T*m,i},mulMat3:function(e,t,i){i||(i=new q(9));var r=e[0],s=e[3],n=e[6],o=e[1],a=e[4],l=e[7],u=e[2],c=e[5],A=e[8],h=t[0],d=t[3],p=t[6],f=t[1],v=t[4],g=t[7],m=t[2],_=t[5],y=t[8];return i[0]=r*h+s*f+n*m,i[3]=r*d+s*v+n*_,i[6]=r*p+s*g+n*y,i[1]=o*h+a*f+l*m,i[4]=o*d+a*v+l*_,i[7]=o*p+a*g+l*y,i[2]=u*h+c*f+A*m,i[5]=u*d+c*v+A*_,i[8]=u*p+c*g+A*y,i},mulMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i},mulMat4v4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=t[0],s=t[1],n=t[2],o=t[3];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},transposeMat4:function(e,t){var i=e[4],r=e[14],s=e[8],n=e[13],o=e[12],a=e[9];if(!t||e===t){var l=e[1],u=e[2],c=e[3],A=e[6],h=e[7],d=e[11];return e[1]=i,e[2]=s,e[3]=o,e[4]=l,e[6]=a,e[7]=n,e[8]=u,e[9]=A,e[11]=r,e[12]=c,e[13]=h,e[14]=d,e}return t[0]=e[0],t[1]=i,t[2]=s,t[3]=o,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=n,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=r,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3:function(e,t){if(t===e){var i=e[1],r=e[2],s=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=r,t[7]=s}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4:function(e){var t=e[0],i=e[1],r=e[2],s=e[3],n=e[4],o=e[5],a=e[6],l=e[7],u=e[8],c=e[9],A=e[10],h=e[11],d=e[12],p=e[13],f=e[14],v=e[15];return d*c*a*s-u*p*a*s-d*o*A*s+n*p*A*s+u*o*f*s-n*c*f*s-d*c*r*l+u*p*r*l+d*i*A*l-t*p*A*l-u*i*f*l+t*c*f*l+d*o*r*h-n*p*r*h-d*i*a*h+t*p*a*h+n*i*f*h-t*o*f*h-u*o*r*v+n*c*r*v+u*i*a*v-t*c*a*v-n*i*A*v+t*o*A*v},inverseMat4:function(e,t){t||(t=e);var i=e[0],r=e[1],s=e[2],n=e[3],o=e[4],a=e[5],l=e[6],u=e[7],c=e[8],A=e[9],h=e[10],d=e[11],p=e[12],f=e[13],v=e[14],g=e[15],m=i*a-r*o,_=i*l-s*o,y=i*u-n*o,b=r*l-s*a,x=r*u-n*a,w=s*u-n*l,B=c*f-A*p,P=c*v-h*p,C=c*g-d*p,M=A*v-h*f,E=A*g-d*f,F=h*g-d*v,k=1/(m*F-_*E+y*M+b*C-x*P+w*B);return t[0]=(a*F-l*E+u*M)*k,t[1]=(-r*F+s*E-n*M)*k,t[2]=(f*w-v*x+g*b)*k,t[3]=(-A*w+h*x-d*b)*k,t[4]=(-o*F+l*C-u*P)*k,t[5]=(i*F-s*C+n*P)*k,t[6]=(-p*w+v*y-g*_)*k,t[7]=(c*w-h*y+d*_)*k,t[8]=(o*E-a*C+u*B)*k,t[9]=(-i*E+r*C-n*B)*k,t[10]=(p*x-f*y+g*m)*k,t[11]=(-c*x+A*y-d*m)*k,t[12]=(-o*M+a*P-l*B)*k,t[13]=(i*M-r*P+s*B)*k,t[14]=(-p*b+f*_-v*m)*k,t[15]=(c*b-A*_+h*m)*k,t},traceMat4:function(e){return e[0]+e[5]+e[10]+e[15]},translationMat4v:function(e,t){var i=t||re.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v:function(e,t){var i=t||re.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(H=new q(3),function(e,t,i,r){return H[0]=e,H[1]=t,H[2]=i,re.translationMat4v(H,r)}),translationMat4s:function(e,t){return re.translationMat4c(e,e,e,t)},translateMat4v:function(e,t){return re.translateMat4c(e[0],e[1],e[2],t)},translateMat4c:function(e,t,i,r){var s=r[3];r[0]+=s*e,r[1]+=s*t,r[2]+=s*i;var n=r[7];r[4]+=n*e,r[5]+=n*t,r[6]+=n*i;var o=r[11];r[8]+=o*e,r[9]+=o*t,r[10]+=o*i;var a=r[15];return r[12]+=a*e,r[13]+=a*t,r[14]+=a*i,r},setMat4Translation:function(e,t,i){return i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i},rotationMat4v:function(e,t,i){var r,s,n,o,a,l,u=re.normalizeVec4([t[0],t[1],t[2],0],[]),c=Math.sin(e),A=Math.cos(e),h=1-A,d=u[0],p=u[1],f=u[2];return r=d*p,s=p*f,n=f*d,o=d*c,a=p*c,l=f*c,(i=i||re.mat4())[0]=h*d*d+A,i[1]=h*r+l,i[2]=h*n-a,i[3]=0,i[4]=h*r-l,i[5]=h*p*p+A,i[6]=h*s+o,i[7]=0,i[8]=h*n+a,i[9]=h*s-o,i[10]=h*f*f+A,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:function(e,t,i,r,s){return re.rotationMat4v(e,[t,i,r],s)},scalingMat4v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat4();return t[0]=e[0],t[5]=e[1],t[10]=e[2],t},scalingMat3v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat3();return t[0]=e[0],t[4]=e[1],t},scalingMat4c:function(){var e=new q(3);return function(t,i,r,s){return e[0]=t,e[1]=i,e[2]=r,re.scalingMat4v(e,s)}}(),scaleMat4c:function(e,t,i,r){return r[0]*=e,r[4]*=t,r[8]*=i,r[1]*=e,r[5]*=t,r[9]*=i,r[2]*=e,r[6]*=t,r[10]*=i,r[3]*=e,r[7]*=t,r[11]*=i,r},scaleMat4v:function(e,t){var i=e[0],r=e[1],s=e[2];return t[0]*=i,t[4]*=r,t[8]*=s,t[1]*=i,t[5]*=r,t[9]*=s,t[2]*=i,t[6]*=r,t[10]*=s,t[3]*=i,t[7]*=r,t[11]*=s,t},scalingMat4s:function(e){return re.scalingMat4c(e,e,e)},rotationTranslationMat4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.mat4(),r=e[0],s=e[1],n=e[2],o=e[3],a=r+r,l=s+s,u=n+n,c=r*a,A=r*l,h=r*u,d=s*l,p=s*u,f=n*u,v=o*a,g=o*l,m=o*u;return i[0]=1-(d+f),i[1]=A+m,i[2]=h-g,i[3]=0,i[4]=A-m,i[5]=1-(c+f),i[6]=p+v,i[7]=0,i[8]=h+g,i[9]=p-v,i[10]=1-(c+d),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=re.clamp,s=e[0],n=e[4],o=e[8],a=e[1],l=e[5],u=e[9],c=e[2],A=e[6],h=e[10];return"XYZ"===t?(i[1]=Math.asin(r(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(-u,h),i[2]=Math.atan2(-n,s)):(i[0]=Math.atan2(A,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-r(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(o,h),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-c,s),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(r(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(-c,h),i[2]=Math.atan2(-n,l)):(i[1]=0,i[2]=Math.atan2(a,s))):"ZYX"===t?(i[1]=Math.asin(-r(c,-1,1)),Math.abs(c)<.99999?(i[0]=Math.atan2(A,h),i[2]=Math.atan2(a,s)):(i[0]=0,i[2]=Math.atan2(-n,l))):"YZX"===t?(i[2]=Math.asin(r(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-u,l),i[1]=Math.atan2(-c,s)):(i[0]=0,i[1]=Math.atan2(o,h))):"XZY"===t&&(i[2]=Math.asin(-r(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(A,l),i[1]=Math.atan2(o,s)):(i[0]=Math.atan2(-u,h),i[1]=0)),i},composeMat4:function(e,t,i){var r=arguments.length>3&&void 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p===y&&f===b&&v===x?re.identityMat4():(s=p-y,n=f-b,o=v-x,a=m*(o*=d=1/Math.sqrt(s*s+n*n+o*o))-_*(n*=d),l=_*(s*=d)-g*o,u=g*n-m*s,(d=Math.sqrt(a*a+l*l+u*u))?(a*=d=1/d,l*=d,u*=d):(a=0,l=0,u=0),c=n*u-o*l,A=o*a-s*u,h=s*l-n*a,(d=Math.sqrt(c*c+A*A+h*h))?(c*=d=1/d,A*=d,h*=d):(c=0,A=0,h=0),r[0]=a,r[1]=c,r[2]=s,r[3]=0,r[4]=l,r[5]=A,r[6]=n,r[7]=0,r[8]=u,r[9]=h,r[10]=o,r[11]=0,r[12]=-(a*p+l*f+u*v),r[13]=-(c*p+A*f+h*v),r[14]=-(s*p+n*f+o*v),r[15]=1,r)},lookAtMat4c:function(e,t,i,r,s,n,o,a,l){return re.lookAtMat4v([e,t,i],[r,s,n],[o,a,l],[])},orthoMat4c:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2/l,o[6]=0,o[7]=0,o[8]=0,o[9]=0,o[10]=-2/u,o[11]=0,o[12]=-(e+t)/a,o[13]=-(r+i)/l,o[14]=-(n+s)/u,o[15]=1,o},frustumMat4v:function(e,t,i){i||(i=re.mat4());var r=[e[0],e[1],e[2],0],s=[t[0],t[1],t[2],0];re.addVec4(s,r,ee),re.subVec4(s,r,te);var n=2*r[2],o=te[0],a=te[1],l=te[2];return i[0]=n/o,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=n/a,i[6]=0,i[7]=0,i[8]=ee[0]/o,i[9]=ee[1]/a,i[10]=-ee[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-n*s[2]/l,i[15]=0,i},frustumMat4:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2*s/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2*s/l,o[6]=0,o[7]=0,o[8]=(t+e)/a,o[9]=(r+i)/l,o[10]=-(n+s)/u,o[11]=-1,o[12]=0,o[13]=0,o[14]=-n*s*2/u,o[15]=0,o},perspectiveMat4:function(e,t,i,r,s){var n=[],o=[];return n[2]=i,o[2]=r,o[1]=n[2]*Math.tan(e/2),n[1]=-o[1],o[0]=o[1]*t,n[0]=-o[0],re.frustumMat4v(n,o,s)},compareMat4:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]},transformPoint3:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12],i[1]=e[1]*r+e[5]*s+e[9]*n+e[13],i[2]=e[2]*r+e[6]*s+e[10]*n+e[14],i},transformPoint4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4();return i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i},transformPoints3:function(e,t,i){for(var r,s,n,o,a,l=i||[],u=t.length,c=e[0],A=e[1],h=e[2],d=e[3],p=e[4],f=e[5],v=e[6],g=e[7],m=e[8],_=e[9],y=e[10],b=e[11],x=e[12],w=e[13],B=e[14],P=e[15],C=0;C<u;++C)r=(o=t[C])[0],s=o[1],n=o[2],(a=l[C]||(l[C]=[0,0,0]))[0]=c*r+p*s+m*n+x,a[1]=A*r+f*s+_*n+w,a[2]=h*r+v*s+y*n+B,a[3]=d*r+g*s+b*n+P;return l.length=u,l},transformPositions3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2];e[3];var A=e[4],h=e[5],d=e[6];e[7];var p=e[8],f=e[9],v=e[10];e[11];var g=e[12],m=e[13],_=e[14];for(e[15],i=0;i<a;i+=3)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+A*s+p*n+g,o[i+1]=u*r+h*s+f*n+m,o[i+2]=c*r+d*s+v*n+_;return o},transformPositions4:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2],A=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],x=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=c*r+p*s+m*n+x,o[i+3]=A*r+f*s+_*n+w;return o},transformVec3:function(e,t,i){var r=t[0],s=t[1],n=t[2];return(i=i||this.vec3())[0]=e[0]*r+e[4]*s+e[8]*n,i[1]=e[1]*r+e[5]*s+e[9]*n,i[2]=e[2]*r+e[6]*s+e[10]*n,i},transformVec4:function(e,t,i){var r=t[0],s=t[1],n=t[2],o=t[3];return(i=i||re.vec4())[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},rotateVec2:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:e,s=Math.cos(i),n=Math.sin(i),o=e[0]-t[0],a=e[1]-t[1];return r[0]=o*s-a*n+t[0],r[1]=o*n+a*s+t[1],e},rotateVec3X:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0],n[1]=s[1]*Math.cos(i)-s[2]*Math.sin(i),n[2]=s[1]*Math.sin(i)+s[2]*Math.cos(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Y:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[2]*Math.sin(i)+s[0]*Math.cos(i),n[1]=s[1],n[2]=s[2]*Math.cos(i)-s[0]*Math.sin(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Z:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0]*Math.cos(i)-s[1]*Math.sin(i),n[1]=s[0]*Math.sin(i)+s[1]*Math.cos(i),n[2]=s[2],r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},projectVec4:function(e,t){var i=1/e[3];return(t=t||re.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(N=new q(16),Q=new q(16),V=new q(16),function(e,t,i,r){return this.transformVec3(this.mulMat4(this.inverseMat4(t,N),this.inverseMat4(i,Q),V),e,r)}),lerpVec3:function(e,t,i,r,s,n){var o=n||re.vec3(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o},lerpMat4:function(e,t,i,r,s,n){var o=n||re.mat4(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o[3]=r[3]+a*(s[3]-r[3]),o[4]=r[4]+a*(s[4]-r[4]),o[5]=r[5]+a*(s[5]-r[5]),o[6]=r[6]+a*(s[6]-r[6]),o[7]=r[7]+a*(s[7]-r[7]),o[8]=r[8]+a*(s[8]-r[8]),o[9]=r[9]+a*(s[9]-r[9]),o[10]=r[10]+a*(s[10]-r[10]),o[11]=r[11]+a*(s[11]-r[11]),o[12]=r[12]+a*(s[12]-r[12]),o[13]=r[13]+a*(s[13]-r[13]),o[14]=r[14]+a*(s[14]-r[14]),o[15]=r[15]+a*(s[15]-r[15]),o},flatten:function(e){var t,i,r,s,n,o=[];for(t=0,i=e.length;t<i;t++)for(r=0,s=(n=e[t]).length;r<s;r++)o.push(n[r]);return o},identityQuaternion:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.vec4();return e[0]=0,e[1]=0,e[2]=0,e[3]=1,e},eulerToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0]*re.DEGTORAD/2,s=e[1]*re.DEGTORAD/2,n=e[2]*re.DEGTORAD/2,o=Math.cos(r),a=Math.cos(s),l=Math.cos(n),u=Math.sin(r),c=Math.sin(s),A=Math.sin(n);return"XYZ"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l-u*c*A):"YXZ"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l+u*c*A):"ZXY"===t?(i[0]=u*a*l-o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l-u*c*A):"ZYX"===t?(i[0]=u*a*l-o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l+u*c*A):"YZX"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l-u*c*A):"XZY"===t&&(i[0]=u*a*l-o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l+u*c*A),i},mat4ToQuaternion:function(e){var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),r=e[0],s=e[4],n=e[8],o=e[1],a=e[5],l=e[9],u=e[2],c=e[6],A=e[10],h=r+a+A;return 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n=re.subVec3(t,e,i),o=s[0]-r[0],a=r[3]-s[0],l=s[1]-r[1],u=r[4]-s[1],c=s[2]-r[2],A=r[5]-s[2];return n[0]+=o>a?o:a,n[1]+=l>u?l:u,n[2]+=c>A?c:A,Math.abs(re.lenVec3(n))}}(),getAABB3Area:function(e){return(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2])},getAABB3Center:function(e,t){var i=t||re.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center:function(e,t){var i=t||re.vec2();return i[0]=(e[2]+e[0])/2,i[1]=(e[3]+e[1])/2,i},collapseAABB3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB3();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MAX_DOUBLE,e[3]=re.MIN_DOUBLE,e[4]=re.MIN_DOUBLE,e[5]=re.MIN_DOUBLE,e},AABB3ToOBB3:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.OBB3();return 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a=e.length/3;return t[0]=i/a,t[1]=r/a,t[2]=s/a,t},expandAABB3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[3]&&(e[3]=t[3]),e[4]<t[4]&&(e[4]=t[4]),e[5]<t[5]&&(e[5]=t[5]),e},expandAABB3Point3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[0]&&(e[3]=t[0]),e[4]<t[1]&&(e[4]=t[1]),e[5]<t[2]&&(e[5]=t[2]),e},expandAABB3Points3:function(e,t){for(var i,r,s,n=0,o=t.length;n<o;n+=3)i=t[n],r=t[n+1],s=t[n+2],e[0]>i&&(e[0]=i),e[1]>r&&(e[1]=r),e[2]>s&&(e[2]=s),e[3]<i&&(e[3]=i),e[4]<r&&(e[4]=r),e[5]<s&&(e[5]=s);return e},collapseAABB2:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB2();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MIN_DOUBLE,e[3]=re.MIN_DOUBLE,e},point3AABB3Intersect:function(e,t){return e[0]>t[0]||e[3]<t[0]||e[1]>t[1]||e[4]<t[1]||e[2]>t[2]||e[5]<t[2]},point3AABB3AbsoluteIntersect:function(e,t){return e[0]<=t[0]&&e[3]>=t[0]&&e[1]<=t[1]&&e[4]>=t[1]&&e[2]<=t[2]&&e[5]>=t[2]},planeAABB3Intersect:function(e,t,i){var r,s;return e[0]>0?(r=e[0]*i[0],s=e[0]*i[3]):(r=e[0]*i[3],s=e[0]*i[0]),e[1]>0?(r+=e[1]*i[1],s+=e[1]*i[4]):(r+=e[1]*i[4],s+=e[1]*i[1]),e[2]>0?(r+=e[2]*i[2],s+=e[2]*i[5]):(r+=e[2]*i[5],s+=e[2]*i[2]),r<=-t&&s<=-t?-1:r>=-t&&s>=-t?1:0},OBB3ToAABB2:function(e){for(var t,i,r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.AABB2(),n=re.MAX_DOUBLE,o=re.MAX_DOUBLE,a=re.MIN_DOUBLE,l=re.MIN_DOUBLE,u=0,c=e.length;u<c;u+=4)t=e[u+0],i=e[u+1],(t*=r=1/(e[u+3]||1))<n&&(n=t),(i*=r)<o&&(o=i),t>a&&(a=t),i>l&&(l=i);return s[0]=n,s[1]=o,s[2]=a,s[3]=l,s},expandAABB2:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]<t[2]&&(e[2]=t[2]),e[3]<t[3]&&(e[3]=t[3]),e},expandAABB2Point2:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]<t[0]&&(e[2]=t[0]),e[3]<t[1]&&(e[3]=t[1]),e},AABB2ToCanvas:function(e,t,i){var r=arguments.length>3&&void 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he.isString(e)||he.isNumeric(e)},isSameComponent:function(e,t){return!(!e||!t)&&(he.isNumeric(e)||he.isString(e)?"".concat(e):e.id)===(he.isNumeric(t)||he.isString(t)?"".concat(t):t.id)},isFunction:function(e){return"function"==typeof e},isObject:function(e){var t={}.constructor;return!!e&&e.constructor===t},copy:function(e){return he.apply(e,{})},apply:function(e,t){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i]);return t},apply2:function(e,t){for(var i in e)e.hasOwnProperty(i)&&void 0!==e[i]&&null!==e[i]&&(t[i]=e[i]);return t},applyIf:function(e,t){for(var i in e)e.hasOwnProperty(i)&&(void 0!==t[i]&&null!==t[i]||(t[i]=e[i]));return t},isEmptyObject:function(e){for(var t in e)if(e.hasOwnProperty(t))return!1;return!0},inQuotes:function(e){return he.isNumeric(e)?"".concat(e):"'".concat(e,"'")},concat:function(e,t){var i=new e.constructor(e.length+t.length);return i.set(e),i.set(t,e.length),i},flattenParentChildHierarchy:function(e){var t=[];return function e(i){i.id=i.uuid,delete i.oid,t.push(i);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++){r[s].parent=i.id,e(r[s])}i.children=[]}(e),t}},de={},pe=new G,fe=new oe,ve={sceneId:null,time:null,startTime:null,prevTime:null,deltaTime:null},ge=[],me=0,_e=0;var ye,be,xe,we=new function(){this.version="1.0.0",this.scenes={},this._superTypes={},this._addScene=function(e){if(e.id){if(we.scenes[e.id])return void console.error("[ERROR] Scene ".concat(he.inQuotes(e.id)," already exists"))}else e.id=pe.addItem({});we.scenes[e.id]=e;var t=e.ticksPerOcclusionTest,i=e.ticksPerRender;de[e.id]={ticksPerOcclusionTest:t,ticksPerRender:i,renderCountdown:i},ae.components.scenes++,e.once("destroyed",(function(){pe.removeItem(e.id),delete we.scenes[e.id],delete de[e.id],ae.components.scenes--}))},this.clear=function(){var e;for(var t in we.scenes)we.scenes.hasOwnProperty(t)&&(e=we.scenes[t],"default.scene"===t?e.clear():(e.destroy(),delete we.scenes[e.id]))},this.scheduleTask=function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;fe.push(e),fe.push(t)},this.runTasks=function(){for(var e,t,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1,r=(new Date).getTime(),s=0;fe.length>0&&(i<0||r<i);)e=fe.shift(),(t=fe.shift())?e.call(t):e(),r=(new Date).getTime(),s++;return s},this.getNumTasks=function(){return fe.length}},Be=function(){var e=Date.now();if(Ae=e-me,me>0&&Ae>0){var t=1e3/Ae;_e+=t,ge.push(t),ge.length>=30&&(_e-=ge.shift()),ae.frame.fps=Math.round(_e/ge.length)}for(var i in we.scenes)we.scenes[i].compile();Pe(e),me=e};ye=function(){Be()},be=100,xe=Date.now()+be,function e(){var t=Date.now()-xe;ye(),xe+=be,setTimeout(e,Math.max(0,be-t))}();function Pe(e){var t=we.runTasks(e+10),i=we.getNumTasks();ae.frame.tasksRun=t,ae.frame.tasksScheduled=i,ae.frame.tasksBudget=10}!function e(){var t=Date.now();if(Ae=t-me,me>0&&Ae>0){var i=1e3/Ae;_e+=i,ge.push(i),ge.length>=30&&(_e-=ge.shift()),ae.frame.fps=Math.round(_e/ge.length)}Pe(t),function(e){for(var t in ve.time=e,we.scenes)if(we.scenes.hasOwnProperty(t)){var i=we.scenes[t];ve.sceneId=t,ve.startTime=i.startTime,ve.deltaTime=null!=ve.prevTime?ve.time-ve.prevTime:0,i.fire("tick",ve,!0)}ve.prevTime=e}(t),function(){var e,t,i,r,s,n=we.scenes,o=!1;for(s in n)n.hasOwnProperty(s)&&(e=n[s],(t=de[s])||(t=de[s]={}),i=e.ticksPerOcclusionTest,t.ticksPerOcclusionTest!==i&&(t.ticksPerOcclusionTest=i,t.renderCountdown=i),--e.occlusionTestCountdown<=0&&(e.doOcclusionTest(),e.occlusionTestCountdown=i),r=e.ticksPerRender,t.ticksPerRender!==r&&(t.ticksPerRender=r,t.renderCountdown=r),0==--t.renderCountdown&&(e.render(o),t.renderCountdown=r))}(),void 0!==window.requestPostAnimationFrame?window.requestPostAnimationFrame(Be):requestAnimationFrame(e)}();var Ce=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,e),this.scene=null,"Scene"===this.type)this.scene=this,this.viewer=i.viewer;else{if("Scene"===t.type)this.scene=t;else{if(!(t instanceof e))throw"Invalid param: owner must be a Component";this.scene=t.scene}this._owner=t}this._dontClear=!!i.dontClear,this._renderer=this.scene._renderer,this.meta=i.meta||{},this.id=i.id,this.destroyed=!1,this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this!==this.scene&&this.scene._addComponent(this),this._updateScheduled=!1,t&&t._own(this)}return C(e,[{key:"type",get:function(){return"Component"}},{key:"isComponent",get:function(){return!0}},{key:"glRedraw",value:function(){this._renderer&&(this._renderer.imageDirty(),this.castsShadow&&this._renderer.shadowsDirty())}},{key:"glResort",value:function(){this._renderer&&this._renderer.needStateSort()}},{key:"owner",get:function(){return this._owner}},{key:"isType",value:function(e){return this.type===e}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){e="[LOG]"+this._message(e),window.console.log(e),this.scene.fire("log",e)}},{key:"_message",value:function(e){return" ["+this.type+" "+he.inQuotes(this.id)+"]: "+e}},{key:"warn",value:function(e){e="[WARN]"+this._message(e),window.console.warn(e),this.scene.fire("warn",e)}},{key:"error",value:function(e){e="[ERROR]"+this._message(e),window.console.error(e),this.scene.fire("error",e)}},{key:"_attach",value:function(e){var t=e.name;if(t){var i=e.component,r=e.sceneDefault,s=e.sceneSingleton,n=e.type,o=e.on,a=!1!==e.recompiles;if(i&&(he.isNumeric(i)||he.isString(i))){var l=i;if(!(i=this.scene.components[l]))return void this.error("Component not found: "+he.inQuotes(l))}if(!i)if(!0===s){var u=this.scene.types[n];for(var c in u)if(u.hasOwnProperty){i=u[c];break}if(!i)return this.error("Scene has no default component for '"+t+"'"),null}else if(!0===r&&!(i=this.scene[t]))return this.error("Scene has no default component for '"+t+"'"),null;if(i){if(i.scene.id!==this.scene.id)return void this.error("Not in same scene: "+i.type+" "+he.inQuotes(i.id));if(n&&!i.isType(n))return void this.error("Expected a "+n+" type or subtype: "+i.type+" "+he.inQuotes(i.id))}this._attachments||(this._attachments={});var A,h,d,p=this._attached[t];if(p){if(i&&p.id===i.id)return;var f=this._attachments[p.id];for(h=0,d=(A=f.subs).length;h<d;h++)p.off(A[h]);delete this._attached[t],delete this._attachments[p.id];var v=f.params.onDetached;v&&(he.isFunction(v)?v(p):v.scope?v.callback.call(v.scope,p):v.callback(p)),f.managingLifecycle&&p.destroy()}if(i){var g={params:e,component:i,subs:[],managingLifecycle:!1};g.subs.push(i.once("destroyed",(function(){g.params.component=null,this._attach(g.params)}),this)),a&&g.subs.push(i.on("dirty",(function(){this.fire("dirty",this)}),this)),this._attached[t]=i,this._attachments[i.id]=g;var m,_,y,b,x=e.onAttached;if(x&&(he.isFunction(x)?x(i):x.scope?x.callback.call(x.scope,i):x.callback(i)),o)for(m in o)if(o.hasOwnProperty(m)){if(_=o[m],he.isFunction(_)?(y=_,b=null):(y=_.callback,b=_.scope),!y)continue;g.subs.push(i.on(m,y,b))}}return a&&this.fire("dirty",this),this.fire(t,i),i}this.error("Component 'name' 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t._ownedComponents[e.id]}),this)}},{key:"_needUpdate",value:function(e){this._updateScheduled||(this._updateScheduled=!0,0===e?this._doUpdate():we.scheduleTask(this._doUpdate,this))}},{key:"_doUpdate",value:function(){this._updateScheduled&&(this._updateScheduled=!1,this._update&&this._update())}},{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"_update",value:function(){}},{key:"clear",value:function(){if(this._ownedComponents)for(var e in this._ownedComponents){if(this._ownedComponents.hasOwnProperty(e))this._ownedComponents[e].destroy(),delete this._ownedComponents[e]}}},{key:"destroy",value:function(){if(!this.destroyed){var e,t,i,r,s,n;if(this.fire("destroyed",this.destroyed=!0),this._attachments)for(e in this._attachments)if(this._attachments.hasOwnProperty(e)){for(i=(t=this._attachments[e]).component,s=0,n=(r=t.subs).length;s<n;s++)i.off(r[s]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&((i=this._ownedComponents[e]).destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}}]),e}(),Me=re.vec3(),Ee=re.vec3(),Fe=re.mat4(),ke=function(){function e(){B(this,e),this.normal=re.vec3(),this.offset=0,this.testVertex=re.vec3()}return C(e,[{key:"set",value:function(e,t,i,r){var s=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*s,this.normal[1]=t*s,this.normal[2]=i*s,this.offset=r*s,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}]),e}(),Ie=C((function e(){B(this,e),this.planes=[new ke,new ke,new ke,new ke,new ke,new ke]}));function De(e,t,i){var r=re.mulMat4(i,t,Fe),s=r[0],n=r[1],o=r[2],a=r[3],l=r[4],u=r[5],c=r[6],A=r[7],h=r[8],d=r[9],p=r[10],f=r[11],v=r[12],g=r[13],m=r[14],_=r[15];e.planes[0].set(a-s,A-l,f-h,_-v),e.planes[1].set(a+s,A+l,f+h,_+v),e.planes[2].set(a-n,A-u,f-d,_-g),e.planes[3].set(a+n,A+u,f+d,_+g),e.planes[4].set(a-o,A-c,f-p,_-m),e.planes[5].set(a+o,A+c,f+p,_+m)}function Se(e,t){var i=Ie.INSIDE,r=Me,s=Ee;r[0]=t[0],r[1]=t[1],r[2]=t[2],s[0]=t[3],s[1]=t[4],s[2]=t[5];for(var n=[r,s],o=0;o<6;++o){var a=e.planes[o];if(a.normal[0]*n[a.testVertex[0]][0]+a.normal[1]*n[a.testVertex[1]][1]+a.normal[2]*n[a.testVertex[2]][2]+a.offset<0)return Ie.OUTSIDE;a.normal[0]*n[1-a.testVertex[0]][0]+a.normal[1]*n[1-a.testVertex[1]][1]+a.normal[2]*n[1-a.testVertex[2]][2]+a.offset<0&&(i=Ie.INTERSECT)}return i}Ie.INSIDE=0,Ie.INTERSECT=1,Ie.OUTSIDE=2;var Te=function(e){g(i,Ce);var t=_(i);function i(){var e,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(B(this,i),!r.viewer)throw"[MarqueePicker] Missing config: viewer";if(!r.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";return(e=t.call(this,r.viewer.scene,r)).viewer=r.viewer,e._objectsKdTree3=r.objectsKdTree3,e._canvasMarqueeCorner1=re.vec2(),e._canvasMarqueeCorner2=re.vec2(),e._canvasMarquee=re.AABB2(),e._marqueeFrustum=new Ie,e._marqueeFrustumProjMat=re.mat4(),e._pickMode=!1,e._marqueeElement=document.createElement("div"),document.body.appendChild(e._marqueeElement),e._marqueeElement.style.position="absolute",e._marqueeElement.style["z-index"]="40000005",e._marqueeElement.style.width="8px",e._marqueeElement.style.height="8px",e._marqueeElement.style.visibility="hidden",e._marqueeElement.style.top="0px",e._marqueeElement.style.left="0px",e._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",e._marqueeElement.style.opacity=1,e._marqueeElement.style["pointer-events"]="none",e}return C(i,[{key:"setMarqueeCorner1",value:function(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarqueeCorner2",value:function(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarquee",value:function(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}},{key:"setMarqueeVisible",value:function(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}},{key:"getMarqueeVisible",value:function(){return this._marqueVisible}},{key:"setPickMode",value:function(e){if(e!==i.PICK_MODE_INSIDE&&e!==i.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===i.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}},{key:"getPickMode",value:function(){return this._pickMode}},{key:"clear",value:function(){this.fire("clear",{})}},{key:"pick",value:function(){var e=this;this._updateMarquee(),this._buildMarqueeFrustum();var t=[];return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&function r(s){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(n===Ie.INTERSECT&&(n=Se(e._marqueeFrustum,s.aabb)),n!==Ie.OUTSIDE){if(s.entities)for(var o=s.entities,a=0,l=o.length;a<l;a++){var u=o[a];if(u.visible){var c=u.aabb;if(e._pickMode===i.PICK_MODE_INSIDE)Se(e._marqueeFrustum,c)===Ie.INSIDE&&t.push(u.id);else Se(e._marqueeFrustum,c)!==Ie.OUTSIDE&&t.push(u.id)}}s.left&&r(s.left,n),s.right&&r(s.right,n)}}(this._objectsKdTree3.root),this.fire("picked",t),t}},{key:"_updateMarquee",value:function(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width="".concat(this._canvasMarquee[2]-this._canvasMarquee[0],"px"),this._marqueeElement.style.height="".concat(this._canvasMarquee[3]-this._canvasMarquee[1],"px"),this._marqueeElement.style.left="".concat(this._canvasMarquee[0],"px"),this._marqueeElement.style.top="".concat(this._canvasMarquee[1],"px")}},{key:"_buildMarqueeFrustum",value:function(){var e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,r=e.clientLeft,s=e.clientTop,n=2/t,o=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-r)*n-1,u=(this._canvasMarquee[2]-r)*n-1,c=-(this._canvasMarquee[3]-s)*o+1,A=-(this._canvasMarquee[1]-s)*o+1,h=this.viewer.scene.camera.frustum.near*(17*a);re.frustumMat4(l,u,c*a,A*a,h,1e4,this._marqueeFrustumProjMat),De(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}]),i}();Te.PICK_MODE_INTERSECTS=0,Te.PICK_MODE_INSIDE=1;var Le=function(e){g(i,Ce);var t=_(i);function i(e){var r;B(this,i),r=t.call(this,e.marqueePicker,e);var s,n,o,a,l,u,c,A=e.marqueePicker,h=A.viewer.scene.canvas.canvas,d=!1,p=!1,f=!1;return h.addEventListener("mousedown",(function(e){r.getActive()&&0===e.button&&(c=setTimeout((function(){var t=A.viewer.scene.input;t.keyDown[t.KEY_CTRL]||A.clear(),s=e.pageX,n=e.pageY,l=e.offsetX,A.setMarqueeCorner1([s,n]),d=!0,A.viewer.cameraControl.pointerEnabled=!1,A.setMarqueeVisible(!0),h.style.cursor="crosshair"}),400),p=!0)})),h.addEventListener("mouseup",(function(e){if(r.getActive()&&(d||f)&&0===e.button){clearTimeout(c),o=e.pageX,a=e.pageY;var t=Math.abs(o-s),i=Math.abs(a-n);d=!1,A.viewer.cameraControl.pointerEnabled=!0,f&&(f=!1),(t>3||i>3)&&A.pick()}})),document.addEventListener("mouseup",(function(e){r.getActive()&&0===e.button&&(clearTimeout(c),d&&(A.setMarqueeVisible(!1),d=!1,p=!1,f=!0,A.viewer.cameraControl.pointerEnabled=!0))}),!0),h.addEventListener("mousemove",(function(e){r.getActive()&&0===e.button&&p&&(clearTimeout(c),d&&(o=e.pageX,a=e.pageY,u=e.offsetX,A.setMarqueeVisible(!0),A.setMarqueeCorner2([o,a]),A.setPickMode(l<u?Te.PICK_MODE_INSIDE:Te.PICK_MODE_INTERSECTS)))})),r}return C(i,[{key:"setActive",value:function(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}},{key:"getActive",value:function(){return this._active}},{key:"destroy",value:function(){}}]),i}(),Re=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this.viewer=t,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==i.active,this._visible=!1,this._running=!1,this._destroyed=!1}return C(e,[{key:"start",value:function(e){var t=this;if(!this._destroyed){this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.marginLeft="".concat(this._circlePos[0]-this._circleRadius,"px"),this._circleDiv.style.marginTop="".concat(this._circlePos[1]-this._circleRadius,"px");var i,r=this._circleMaxRadius;this._running=!0,requestAnimationFrame((function e(s){if(t._running){i||(i=s);var n=s-i,o=Math.min(n/300,1),a=r+(2-r)*o;t._circleRadius=a,t._circleDiv.style.width="".concat(t._circleRadius,"px"),t._circleDiv.style.height="".concat(t._circleRadius,"px"),t._circleDiv.style.marginLeft="".concat(t._circlePos[0]-t._circleRadius/2,"px"),t._circleDiv.style.marginTop="".concat(t._circlePos[1]-t._circleRadius/2,"px"),o<1&&requestAnimationFrame(e)}})),this._circleDiv.style.visibility="visible"}}},{key:"stop",value:function(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.visibility="hidden")}},{key:"durationMs",get:function(){return this._durationMs},set:function(e){this.stop(),this._durationMs=e}},{key:"destroy",value:function(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}]),e}(),Ue=function(){function e(t,i,r){B(this,e),this.id=r&&r.id?r.id:t,this.viewer=i,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,i.addPlugin(this)}return C(e,[{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){console.log("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"warn",value:function(e){console.warn("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.removePlugin(this)}}]),e}(),Oe=function(){var e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},Ne=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==r.visible,this._culled=!1;var s=this._dot,n=s.style;n["border-radius"]="25px",n.border="solid 2px white",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"40000005":r.zIndex,n.width="8px",n.height="8px",n.visibility=this._visible?"visible":"hidden",n.top="0px",n.left="0px",n["box-shadow"]="0 2px 5px 0 #182A3D;",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._dotClickable,a=o.style;a["border-radius"]="35px",a.border="solid 10px white",a.position="absolute",a["z-index"]=void 0===r.zIndex?"40000007":r.zIndex+1,a.width="8px",a.height="8px",a.visibility="visible",a.top="0px",a.left="0px",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),o.addEventListener("click",(function(e){t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onTouchstart&&o.addEventListener("touchstart",(function(e){r.onTouchstart(e,i)})),r.onTouchmove&&o.addEventListener("touchmove",(function(e){r.onTouchmove(e,i)})),r.onTouchend&&o.addEventListener("touchend",(function(e){r.onTouchend(e,i)})),r.onContextMenu&&(Oe()?(o.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),o.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):o.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.borderColor)}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var r=this._dotClickable.style;r.left=Math.round(e)-9+"px",r.top=Math.round(t)-9+"px"}},{key:"setFillColor",value:function(e){this._dot.style.background=e||"lightgreen"}},{key:"setBorderColor",value:function(e){this._dot.style.border="solid 2px"+(e||"black")}},{key:"setOpacity",value:function(e){this._dot.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setClickable",value:function(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}},{key:"destroy",value:function(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}]),e}(),Qe=re.vec3(),Ve=re.vec4(),He=function(){var e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(r,s,n){return n=n||e,t[0]=s[0],t[1]=s[1],t[2]=s[2],t[3]=1,re.transformVec4(r,t,i),re.setMat4Translation(r,i,n),n.slice()}}();function je(e,t,i){var r=Float32Array.from([e[0]])[0],s=e[0]-r,n=Float32Array.from([e[1]])[0],o=e[1]-n,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=r,t[1]=n,t[2]=a,i[0]=s,i[1]=o,i[2]=l}function Ge(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1e3,s=re.getPositionsCenter(e,Qe),n=Math.round(s[0]/r)*r,o=Math.round(s[1]/r)*r,a=Math.round(s[2]/r)*r;i[0]=n,i[1]=o,i[2]=a;var l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(var u=0,c=e.length;u<c;u+=3)t[u+0]=e[u+0]-n,t[u+1]=e[u+1]-o,t[u+2]=e[u+2]-a;return l}function ze(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function We(e,t,i,r,s){var n=s?(Ve.set(i,0),Ve[3]=1,re.mulMat4v4(s,Ve,Ve)):i,o=re.dotVec3(t,n)+e,a=re.normalizeVec3(t,Qe);return re.mulVec3Scalar(a,-o,r),r}var Ke=1,Xe=4,Je=8,Ye=16,Ze=32,qe=256,$e=512,et=1024,tt=2048,it=new Float32Array([0,0,0]),rt=new Uint16Array([0,0,0]);re.OBB3();var st=function(){function e(t,i,r,s,n,o){B(this,e),this._isObject=i,this.scene=t.scene,this.model=t,this.meshes=s,this._numPrimitives=0;for(var a=0,l=this.meshes.length;a<l;a++){var u=this.meshes[a];u.parent=this,u.entity=this,this._numPrimitives+=u.numPrimitives}this.id=r,this.originalSystemId=re.unglobalizeObjectId(t.id,r),this._flags=n,this._aabb=re.AABB3(),this._aabbDirty=!0,this._offset=re.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&t.scene._registerObject(this)}return C(e,[{key:"_transformDirty",value:function(){this._aabbDirty=!0,this.model._transformDirty()}},{key:"_sceneModelDirty",value:function(){this._aabbDirty=!0;for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this.meshes.length;e<t;e++)re.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return!1}},{key:"isObject",get:function(){return this._isObject}},{key:"numPrimitives",get:function(){return this._numPrimitives}},{key:"numTriangles",get:function(){return this._numPrimitives}},{key:"visible",get:function(){return this._getFlag(Ke)},set:function(e){if(!!(this._flags&Ke)!==e){this._flags=e?this._flags|Ke:this._flags&~Ke;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}},{key:"highlighted",get:function(){return this._getFlag($e)},set:function(e){if(!!(this._flags&$e)!==e){this._flags=e?this._flags|$e:this._flags&~$e;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}},{key:"xrayed",get:function(){return this._getFlag(qe)},set:function(e){if(!!(this._flags&qe)!==e){this._flags=e?this._flags|qe:this._flags&~qe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}},{key:"selected",get:function(){return this._getFlag(et)},set:function(e){if(!!(this._flags&et)!==e){this._flags=e?this._flags|et:this._flags&~et;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}},{key:"edges",get:function(){return this._getFlag(tt)},set:function(e){if(!!(this._flags&tt)!==e){this._flags=e?this._flags|tt:this._flags&~tt;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}},{key:"culledVFC",get:function(){return!!this._culledVFC},set:function(e){this._culledVFC=e,this._setCulled()}},{key:"culledLOD",get:function(){return!!this._culledLOD},set:function(e){this._culledLOD=e,this._setCulled()}},{key:"culled",get:function(){return!!this._culled},set:function(e){this._culled=e,this._setCulled()}},{key:"_setCulled",value:function(){var e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Xe)!==e){this._flags=e?this._flags|Xe:this._flags&~Xe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}},{key:"clippable",get:function(){return this._getFlag(Ye)},set:function(e){if(!!(this._flags&Ye)!==e){this._flags=e?this._flags|Ye:this._flags&~Ye;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}},{key:"collidable",get:function(){return this._getFlag(Ze)},set:function(e){if(!!(this._flags&Ze)!==e){this._flags=e?this._flags|Ze:this._flags&~Ze;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}},{key:"pickable",get:function(){return this._getFlag(Je)},set:function(e){if(!!(this._flags&Je)!==e){this._flags=e?this._flags|Je:this._flags&~Je;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}},{key:"colorize",get:function(){if(0===this.meshes.length)return null;var e=this.meshes[0]._colorize;return it[0]=e[0]/255,it[1]=e[1]/255,it[2]=e[2]/255,it},set:function(e){if(e){rt[0]=Math.floor(255*e[0]),rt[1]=Math.floor(255*e[1]),rt[2]=Math.floor(255*e[2]);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setColorize(rt)}else for(var r=0,s=this.meshes.length;r<s;r++)this.meshes[r]._setColorize(null);if(this._isObject){var n=!!e;this.scene._objectColorizeUpdated(this,n),this._colorizeUpdated=n}this.model.glRedraw()}},{key:"opacity",get:function(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1},set:function(e){if(0!==this.meshes.length){var t=null!=e,i=this.meshes[0]._colorize[3],r=255;if(t){if(e<0?e=0:e>1&&(e=1),i===(r=Math.floor(255*e)))return}else if(i===(r=255))return;for(var s=0,n=this.meshes.length;s<n;s++)this.meshes[s]._setOpacity(r,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}},{key:"saoEnabled",get:function(){return this.model.saoEnabled}},{key:"getEachVertex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}},{key:"getEachIndex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}},{key:"volume",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].volume;if(r<0)return-1;e+=r}return e}},{key:"surfaceArea",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].surfaceArea;r>=0&&(e+=r)}return e>0?e:-1}},{key:"_getFlag",value:function(e){return!!(this._flags&e)}},{key:"_finalize",value:function(){var e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._finalize(this._flags)}},{key:"_finalize2",value:function(){for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}},{key:"_destroy",value:function(){var e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._destroy();e._aabbDirty=!0}}]),e}(),nt=re.vec4(),ot=re.vec4(),at=function(e){g(i,Ce);var t=_(i);function i(e,r){var s;return B(this,i),(s=t.call(this,e,r))._entity=null,s._visible=null,s._worldPos=re.vec3(),s._origin=re.vec3(),s._rtcPos=re.vec3(),s._viewPos=re.vec3(),s._canvasPos=re.vec2(),s._occludable=!1,s._onCameraViewMatrix=s.scene.camera.on("matrix",(function(){s._viewPosDirty=!0,s._needUpdate()})),s._onCameraProjMatrix=s.scene.camera.on("projMatrix",(function(){s._canvasPosDirty=!0,s._needUpdate()})),s._onEntityDestroyed=null,s._onEntityModelDestroyed=null,s._renderer.addMarker(b(s)),s.entity=r.entity,s.worldPos=r.worldPos,s.occludable=r.occludable,s}return C(i,[{key:"_update",value:function(){if(this._viewPosDirty&&(re.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){nt.set(this._viewPos),nt[3]=1,re.transformPoint4(this.scene.camera.projMatrix,nt,ot);var e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+ot[0]/ot[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-ot[1]/ot[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}},{key:"_setVisible",value:function(e){this._visible,this._visible=e,this.fire("visible",this._visible)}},{key:"entity",get:function(){return this._entity},set:function(e){var t=this;if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof st?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(function(){t._entity=null,t._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(function(){t._entity=null,t._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}},{key:"occludable",get:function(){return this._occludable},set:function(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}},{key:"worldPos",get:function(){return this._worldPos},set:function(e){this._worldPos.set(e||[0,0,0]),je(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}},{key:"origin",get:function(){return this._origin}},{key:"rtcPos",get:function(){return this._rtcPos}},{key:"viewPos",get:function(){return this._update(),this._viewPos}},{key:"canvasPos",get:function(){return this._update(),this._canvasPos}},{key:"visible",get:function(){return!!this._visible}},{key:"destroy",value:function(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),lt=function(){};function ut(e,t,i){var r=e.getBoundingClientRect(),s=t.getBoundingClientRect();i[0]+=r.left-s.left,i[1]+=r.top-s.top}var ct=function(e){g(i,at);var t=_(i);function i(e,r,s){var n,o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};B(this,i);var a=function(e,t){return function(i){e&&e(i),n.fire(t,i,!0)}};(n=t.call(this,e,r))._dot=new Ne(s,{fillColor:o.fillColor,zIndex:o.zIndex,onMouseOver:a(o.onMouseOver,"mouseover"),onMouseLeave:a(o.onMouseLeave,"mouseleave"),onMouseWheel:a(o.onMouseWheel,"wheel"),onMouseDown:a(o.onMouseDown,"mousedown"),onMouseUp:a(o.onMouseUp,"mouseup"),onMouseMove:a(o.onMouseMove,"mousemove"),onTouchstart:a(o.onTouchstart,"touchstart"),onTouchmove:a(o.onTouchmove,"touchmove"),onTouchend:a(o.onTouchend,"touchend"),onContextMenu:a(o.onContextMenu,"contextmenu")});var l=function(){var t=n.canvasPos.slice();ut(e.canvas.canvas,s,t),n._dot.setPos(t[0],t[1])};n.on("worldPos",l);var u=e.camera.on("viewMatrix",l),c=e.camera.on("projMatrix",l);return n._cleanup=function(){e.camera.off(u),e.camera.off(c),n._dot.destroy()},n}return C(i,[{key:"setClickable",value:function(e){this._dot.setClickable(e)}},{key:"setCulled",value:function(e){this._dot.setCulled(e)}},{key:"setFillColor",value:function(e){this._dot.setFillColor(e)}},{key:"setHighlighted",value:function(e){this._dot.setHighlighted(e)}},{key:"setOpacity",value:function(e){this._dot.setOpacity(e)}},{key:"setVisible",value:function(e){this._dot.setVisible(e)}},{key:"destroy",value:function(){this._cleanup(),f(x(i.prototype),"destroy",this).call(this)}}]),i}();function At(e,t){var i,r=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=r("viewer"),n=r("ray2WorldPos"),o=r("handleMouseEvents",!1),a=r("handleTouchEvents",!1),l=r("onStart",lt),u=r("onMove",lt),c=r("onEnd",lt),A=s.scene,d=A.canvas.canvas,p=function(e){var t=re.vec2([e.clientX,e.clientY]);ut(d.ownerDocument.documentElement,d,t),u(t,function(e){var t=re.vec3(),i=re.vec3();return re.canvasPosToWorldRay(d,A.camera.viewMatrix,A.camera.projMatrix,A.camera.projection,e,t,i),n(t,i,e)}(t))},f=null,v=function(e){var t=f.matchesEvent(e);t&&p(t)},g=function(t){var i=f.matchesEvent(t);i&&(e.setOpacity(b),f.cleanup(),p(i),c())},m=function(t,i){f&&f.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,f={matchesEvent:t,cleanup:function(){f=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},l()},_=[],y=function(t,i){var r=e.on(t,i);_.push((function(){return e.off(r)}))};(o&&(y("mouseover",(function(){return!f&&e.setOpacity(1)})),y("mouseleave",(function(){return!f&&e.setOpacity(b)})),y("mousedown",(function(e){1===e.which&&(d.addEventListener("mousemove",v),d.addEventListener("mouseup",g),m((function(e){return 1===e.which&&e}),(function(){d.removeEventListener("mousemove",v),d.removeEventListener("mouseup",g)})))}))),a)&&(y("touchstart",(function(e){e.preventDefault(),1===e.touches.length&&(i=e.touches[0].identifier,m((function(e){return h(e.changedTouches).find((function(e){return e.identifier===i}))}),(function(){i=null})))})),y("touchmove",(function(e){e.preventDefault(),v(e)})),y("touchend",(function(e){e.preventDefault(),g(e)})));var b=.8;return e.setOpacity(b),function(){f&&f.cleanup(),_.forEach((function(e){return e()})),e.setOpacity(1)}}function ht(e){var t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),r=t("handleMouseEvents",!1),s=t("handleTouchEvents",!1),n=t("pointerLens",null),o=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",lt),u=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},c=o.map((function(e){var t;return At(e,{handleMouseEvents:r,handleTouchEvents:s,viewer:i,ray2WorldPos:function(e,i,r){return a(e,i,r)||t},onStart:function(){t=e.worldPos.slice(),A(!1,e)},onMove:function(t,i){u(t),e.worldPos=i},onEnd:function(){l(t,e)||(e.worldPos=t),u(null),A(!0,e)}})})),A=function(e,t){return o.forEach((function(i){return i!==t&&i.setClickable(e)}))};return A(!0),function(){c.forEach((function(e){return e()})),u(null)}}var dt=function(e,t,i){return function(r,s,n){var o,a=e.scene,l=a.canvas.canvas,u=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,ut(l.ownerDocument.documentElement,l,t),t},c=function(e){var t=re.vec3(),r=re.vec3();return re.canvasPosToWorldRay(l,a.camera.viewMatrix,a.camera.projMatrix,a.camera.projection,e,t,r),i(t,r)},A=null,d=function(){},p=d,f=function(){t.stop(),clearTimeout(A),e.cameraControl.active=!0,p=d,o=null},v=function(){f(),l.removeEventListener("touchstart",g),l.removeEventListener("touchmove",m),l.removeEventListener("touchend",_)},g=function(i){var n=i.touches;if(1!==n.length)f(),r();else{var a=n[0],l=u(a,re.vec2());c(l)&&(o=a.identifier,p=function(e){re.distVec2(l,e)>20&&f()},A=setTimeout((function(){t.start(l),A=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=function(e){s(e,c(e))},p(l)}),300)}),250))}};l.addEventListener("touchstart",g,{passive:!0});var m=function(e){var t=h(e.changedTouches).find((function(e){return e.identifier===o}));t&&p(u(t,re.vec2()))};l.addEventListener("touchmove",m,{passive:!0});var _=function(e){var t=h(e.changedTouches).find((function(e){return e.identifier===o}));if(t){v();var i=u(t,re.vec2());n(i,c(i))}};return l.addEventListener("touchend",_,{passive:!0}),v}},pt=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._color=r.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=r.thickness||1,this._thicknessClickable=r.thicknessClickable||6,this._visible=!0,this._culled=!1;var s=this._wire,n=s.style;n.border="solid "+this._thickness+"px "+this._color,n.position="absolute",n["z-index"]=void 0===r.zIndex?"2000001":r.zIndex,n.width="0px",n.height="0px",n.visibility="visible",n.top="0px",n.left="0px",n["-webkit-transform-origin"]="0 0",n["-moz-transform-origin"]="0 0",n["-ms-transform-origin"]="0 0",n["-o-transform-origin"]="0 0",n["transform-origin"]="0 0",n["-webkit-transform"]="rotate(0deg)",n["-moz-transform"]="rotate(0deg)",n["-ms-transform"]="rotate(0deg)",n["-o-transform"]="rotate(0deg)",n.transform="rotate(0deg)",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._wireClickable,a=o.style;a.border="solid "+this._thicknessClickable+"px "+this._color,a.position="absolute",a["z-index"]=void 0===r.zIndex?"2000002":r.zIndex+1,a.width="0px",a.height="0px",a.visibility="visible",a.top="0px",a.left="0px",a["-webkit-transform-origin"]="0 0",a["-moz-transform-origin"]="0 0",a["-ms-transform-origin"]="0 0",a["-o-transform-origin"]="0 0",a["transform-origin"]="0 0",a["-webkit-transform"]="rotate(0deg)",a["-moz-transform"]="rotate(0deg)",a["-ms-transform"]="rotate(0deg)",a["-o-transform"]="rotate(0deg)",a.transform="rotate(0deg)",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i)})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu&&(Oe()?(o.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),o.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):o.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}return C(e,[{key:"visible",get:function(){return"visible"===this._wire.style.visibility}},{key:"_update",value:function(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var r=this._wireClickable.style;r.width=Math.round(e)+"px",r.left=Math.round(this._x1)+"px",r.top=Math.round(this._y1)+"px",r["-webkit-transform"]="rotate("+t+"deg)",r["-moz-transform"]="rotate("+t+"deg)",r["-ms-transform"]="rotate("+t+"deg)",r["-o-transform"]="rotate("+t+"deg)",r.transform="rotate("+t+"deg)"}},{key:"setStartAndEnd",value:function(e,t,i,r){this._x1=e,this._y1=t,this._x2=i,this._y2=r,this._update()}},{key:"setColor",value:function(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}},{key:"setOpacity",value:function(e){this._wire.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setClickable",value:function(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}},{key:"destroy",value:function(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}]),e}(),ft=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._highlightClass="viewer-ruler-label-highlighted",this._prefix=r.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var s=this._label,n=s.style;n["border-radius"]="5px",n.color="white",n.padding="4px",n.border="solid 1px",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"5000005":r.zIndex,n.width="auto",n.height="auto",n.visibility="visible",n.top="0px",n.left="0px",n["pointer-events"]="all",n.opacity=1,r.onContextMenu,s.innerText="",t.appendChild(s),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.fillColor),this.setText(r.text),r.onMouseOver&&s.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),e.preventDefault()})),r.onMouseLeave&&s.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i),e.preventDefault()})),r.onMouseWheel&&s.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&s.addEventListener("mousedown",(function(e){r.onMouseDown(e,i),e.stopPropagation()})),r.onMouseUp&&s.addEventListener("mouseup",(function(e){r.onMouseUp(e,i),e.stopPropagation()})),r.onMouseMove&&s.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu&&(Oe()?(s.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),s.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):s.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}},{key:"setPosOnWire",value:function(e,t,i,r){var s=e+.5*(i-e),n=t+.5*(r-t),o=this._label.style;o.left=Math.round(s)-20+"px",o.top=Math.round(n)-12+"px"}},{key:"setPosBetweenWires",value:function(e,t,i,r,s,n){var o=(e+i+s)/3,a=(t+r+n)/3,l=this._label.style;l.left=Math.round(o)-20+"px",l.top=Math.round(a)-12+"px"}},{key:"setText",value:function(e){this._label.innerHTML=this._prefix+(e||"")}},{key:"setFillColor",value:function(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}},{key:"setBorderColor",value:function(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}},{key:"setOpacity",value:function(e){this._label.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}},{key:"setClickable",value:function(e){this._label.style["pointer-events"]=e?"all":"none"}},{key:"setPrefix",value:function(e){this._prefix!==e&&(this._prefix=e)}},{key:"destroy",value:function(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}]),e}(),vt=re.vec3(),gt=re.vec3(),mt=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";r._color=s.color||e.defaultColor;var n=r.plugin.viewer.scene;r._originWorld=re.vec3(),r._cornerWorld=re.vec3(),r._targetWorld=re.vec3(),r._wp=new Float64Array(12),r._vp=new Float64Array(12),r._pp=new Float64Array(12),r._cp=new Int16Array(6);var o=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,u=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},c=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},A=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},h=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};return r._originDot=new ct(n,s.origin,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._cornerDot=new ct(n,s.corner,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._targetDot=new ct(n,s.target,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._originWire=new pt(r._container,{color:r._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._targetWire=new pt(r._container,{color:r._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._angleLabel=new ft(r._container,{fillColor:r._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:c,onMouseUp:A,onMouseMove:h,onContextMenu:l}),r._wpDirty=!1,r._vpDirty=!1,r._cpDirty=!1,r._visible=!1,r._originVisible=!1,r._cornerVisible=!1,r._targetVisible=!1,r._originWireVisible=!1,r._targetWireVisible=!1,r._angleVisible=!1,r._labelsVisible=!1,r._clickable=!1,r._originDot.on("worldPos",(function(e){r._originWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._cornerDot.on("worldPos",(function(e){r._cornerWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._targetDot.on("worldPos",(function(e){r._targetWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._onViewMatrix=n.camera.on("viewMatrix",(function(){r._vpDirty=!0,r._needUpdate(0)})),r._onProjMatrix=n.camera.on("projMatrix",(function(){r._cpDirty=!0,r._needUpdate()})),r._onCanvasBoundary=n.canvas.on("boundary",(function(){r._cpDirty=!0,r._needUpdate(0)})),r._onSectionPlaneUpdated=n.on("sectionPlaneUpdated",(function(){r._sectionPlanesDirty=!0,r._needUpdate()})),r.approximate=s.approximate,r.visible=s.visible,r.originVisible=s.originVisible,r.cornerVisible=s.cornerVisible,r.targetVisible=s.targetVisible,r.originWireVisible=s.originWireVisible,r.targetWireVisible=s.targetWireVisible,r.angleVisible=s.angleVisible,r.labelsVisible=s.labelsVisible,r}return C(i,[{key:"_update",value:function(){if(this._visible){var e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(re.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){var t=-.3,i=this._originDot.viewPos[2],r=this._cornerDot.viewPos[2],s=this._targetDot.viewPos[2];if(i>t||r>t||s>t)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);re.transformPositions4(e.camera.project.matrix,this._vp,this._pp);for(var n=this._pp,o=this._cp,a=e.canvas.canvas.getBoundingClientRect(),l=this._container.getBoundingClientRect(),u=a.top-l.top,c=a.left-l.left,A=e.canvas.boundary,h=A[2],d=A[3],p=0,f=0,v=n.length;f<v;f+=4)o[p]=c+Math.floor((1+n[f+0]/n[f+3])*h/2),o[p+1]=u+Math.floor((1-n[f+1]/n[f+3])*d/2),p+=2;if(this._originWire.setStartAndEnd(o[0],o[1],o[2],o[3]),this._targetWire.setStartAndEnd(o[2],o[3],o[4],o[5]),this._angleLabel.setPosBetweenWires(o[0],o[1],o[2],o[3],o[4],o[5]),re.subVec3(this._originWorld,this._cornerWorld,vt),re.subVec3(this._targetWorld,this._cornerWorld,gt),!(0===vt[0]&&0===vt[1]&&0===vt[2]||0===gt[0]&&0===gt[1]&&0===gt[2])){var g=this._approximate?" ~ ":" = ";re.normalizeVec3(vt),re.normalizeVec3(gt);var m=Math.abs(re.angleVec3(vt,gt));this._angle=m/re.DEGTORAD,this._angleLabel.setText(g+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}}},{key:"_isSliced",value:function(e){for(var t=this.scene._sectionPlanesState.sectionPlanes,i=0,r=t.length;i<r;i++){var s=t[i];if(re.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}},{key:"origin",get:function(){return this._originDot}},{key:"corner",get:function(){return this._cornerDot}},{key:"target",get:function(){return this._targetDot}},{key:"angle",get:function(){return this._update(),this._angle}},{key:"color",get:function(){return this._color},set:function(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}},{key:"originVisible",get:function(){return this._originVisible},set:function(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}},{key:"cornerVisible",get:function(){return this._cornerVisible},set:function(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}},{key:"targetVisible",get:function(){return this._targetVisible},set:function(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}},{key:"originWireVisible",get:function(){return this._originWireVisible},set:function(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}},{key:"targetWireVisible",get:function(){return this._targetWireVisible},set:function(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}},{key:"angleVisible",get:function(){return this._angleVisible},set:function(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}},{key:"labelsVisible",get:function(){return this._labelsVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}},{key:"setHighlighted",value:function(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}},{key:"clickable",get:function(){return this._clickable},set:function(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}},{key:"destroy",value:function(){var e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),_t=function(e){g(i,Ce);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),yt=function(e){g(i,_t);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentAngleMeasurement=null,r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;var t=this.scene;t.input;var i=t.canvas.canvas,r=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens,n=!1,o=null,a=0,l=0,u=re.vec3(),c=re.vec2();this._currentAngleMeasurement=null;var A=re.vec2(),h=function(t){t.snappedToVertex||t.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!0),e.markerDiv.style.background="greenyellow",e.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.canvasPos,s.snapped=!1),e.markerDiv.style.background="pink",e.markerDiv.style.border="2px solid red");var r=t.snappedCanvasPos||t.canvasPos;switch(n=!0,o=t.entity,u.set(t.worldPos),c.set(r),e._mouseState){case 0:if(e._canvasToPagePos)e._canvasToPagePos(i,r,A),e.markerDiv.style.left="".concat(A[0]-5,"px"),e.markerDiv.style.top="".concat(A[1]-5,"px");else{var a=re.vec2(r);ut(i,e.markerDiv.parentNode,a),e.markerDiv.style.left="".concat(a[0]-5,"px"),e.markerDiv.style.top="".concat(a[1]-5,"px")}break;case 1:e._currentAngleMeasurement&&(e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer";break;case 2:e._currentAngleMeasurement&&(e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer"}};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&h(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||h(t)})),i.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(a=e.clientX,l=e.clientY)}),i.addEventListener("mouseup",this._onMouseUp=function(t){if(1===t.which&&!(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20))switch(e._mouseState){case 0:n&&(e._currentAngleMeasurement=e.angleMeasurementsPlugin.createMeasurement({id:re.createUUID(),origin:{worldPos:u,entity:o},corner:{worldPos:u,entity:o},target:{worldPos:u,entity:o},approximate:!0}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.origin.entity=o,e._mouseState=1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement));break;case 1:n?(e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.corner.entity=o,e._mouseState=2):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement));break;case 2:n?(e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.entity=o,e._currentAngleMeasurement.clickable=!0,o=null,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._mouseState=0):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement))}});var d=function(t){if(n=!1,s&&(s.visible=!0,s.pointerPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!1),e.markerDiv.style.left="-100px",e.markerDiv.style.top="-100px",e._currentAngleMeasurement){switch(e._mouseState){case 0:e._currentAngleMeasurement.originVisible=!1;break;case 1:e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1;break;case 2:e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1}i.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&d(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||d(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),bt=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"AngleMeasurements",e))._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new yt(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.corner,s=t.target,n=new mt(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},corner:{entity:r.entity,worldPos:r.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:t.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[n.id]=n,n.on("destroyed",(function(){delete e._measurements[n.id]})),n.clickable=!0,this.fire("measurementCreated",n),n}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=A(i[t],2);r[0];r[1].labelShown=e}}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),xt=function(e){g(i,_t);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Re(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentAngleMeasurement=null,r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._touchState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),c=null,A=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(r){var u=r.touches.length;if(1===u){var d=r.touches[0],p=d.clientX,f=d.clientY;switch(a.set([p,f]),l.set([p,f]),e._touchState){case 0:if(1!==u&&null!==o)return o&&(clearTimeout(o),o=null),e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),h(),void(e._touchState=0);var v=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(v&&v.snapped)s.set(v.worldPos),e.pointerCircle.start(v.snappedCanvasPos);else{var g=i.pick({canvasPos:l,pickSurface:!0});if(!g||!g.worldPos)return;s.set(g.worldPos),e.pointerCircle.start(g.canvasPos)}o=setTimeout((function(){1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=v.canvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement?e._currentAngleMeasurement.origin.worldPos=s:(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:v.worldPos,entity:v.entity},corner:{worldPos:v.worldPos,entity:v.entity},target:{worldPos:v.worldPos,entity:v.entity}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement),e._touchState=2,A())}),e._longTouchTimeoutMs),e._touchState=1,c=d.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.corner.worldPos=r.worldPos,e._currentAngleMeasurement.corner.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,A()}}),e._longTouchTimeoutMs),e._touchState=4),c=d.identifier;break;case 6:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.target.worldPos=r.worldPos,e._currentAngleMeasurement.target.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=8,A()}}),e._longTouchTimeoutMs),e._touchState=7),c=d.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(t){e.pointerCircle.stop();var r=t.touches.length;if(1===r&&1===t.changedTouches.length){var n,a,u=t.touches[0],A=u.clientX,h=u.clientY;if(u.identifier===c)switch(l.set([A,h]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(n.worldPos),e._currentAngleMeasurement.origin.worldPos=n.worldPos):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),s.set(a.worldPos),e._currentAngleMeasurement.origin.worldPos=a.worldPos):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.corner.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.corner.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e._touchState=5;break;case 8:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.target.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.target.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0),e._touchState=8}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(r){e.pointerCircle.stop();var s=r.changedTouches.length;if(1===s){var A=r.changedTouches[0],d=A.clientX,p=A.clientY;if(A.identifier===c)switch(o&&(clearTimeout(o),o=null),u.set([d,p]),e._touchState){case 1:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=0);var f=i.pick({canvasPos:l,pickSurface:!0});f&&f.worldPos?(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:f.worldPos},corner:{worldPos:f.worldPos},target:{worldPos:f.worldPos}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=3):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=3);var v=i.pick({canvasPos:l,pickSurface:!0});v&&v.worldPos?(e._currentAngleMeasurement.corner.worldPos=v.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=6):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 5:e.pointerLens&&(e.pointerLens.visible=!1),e._touchState=6,h();break;case 7:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=6);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentAngleMeasurement.target.worldPos=g.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0,h();break;case 8:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement&&e._currentAngleMeasurement.targetVisible?(e._currentAngleMeasurement.clickable=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._touchState=0):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),wt=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=ht({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Bt=function(e){g(i,wt);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),Pt=function(e){g(i,wt);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Ct=re.vec3(),Mt=re.vec3(),Et=re.vec3(),Ft=function(e){g(i,at);var t=_(i);function i(e,r){var s;if(B(this,i),(s=t.call(this,e,r)).plugin=r.plugin,s._container=r.container,!s._container)throw"config missing: container";if(!r.markerElement&&!r.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!r.labelElement&&!r.labelHTML)throw"config missing: need either labelElement or labelHTML";return s._htmlDirty=!1,r.markerElement?(s._marker=r.markerElement,s._marker.addEventListener("click",s._onMouseClickedExternalMarker=function(){s.plugin.fire("markerClicked",b(s))}),s._marker.addEventListener("contextmenu",s._onContextMenuExtenalMarker=function(){s.plugin.fire("contextmenu",b(s))}),s._marker.addEventListener("mouseenter",s._onMouseEnterExternalMarker=function(){s.plugin.fire("markerMouseEnter",b(s))}),s._marker.addEventListener("mouseleave",s._onMouseLeaveExternalMarker=function(){s.plugin.fire("markerMouseLeave",b(s))}),s._markerExternal=!0):(s._markerHTML=r.markerHTML,s._htmlDirty=!0,s._markerExternal=!1),r.labelElement?(s._label=r.labelElement,s._labelExternal=!0):(s._labelHTML=r.labelHTML,s._htmlDirty=!0,s._labelExternal=!1),s._markerShown=!!r.markerShown,s._labelShown=!!r.labelShown,s._values=r.values||{},s._layoutDirty=!0,s._visibilityDirty=!0,s._labelPosition=24,s._buildHTML(),s._onTick=s.scene.on("tick",(function(){s._htmlDirty&&(s._buildHTML(),s._htmlDirty=!1,s._layoutDirty=!0,s._visibilityDirty=!0),(s._layoutDirty||s._visibilityDirty)&&(s._markerShown||s._labelShown)&&(s._updatePosition(),s._layoutDirty=!1),s._visibilityDirty&&(s._marker.style.visibility=s.visible&&s._markerShown?"visible":"hidden",s._label.style.visibility=s.visible&&s._markerShown&&s._labelShown?"visible":"hidden",s._visibilityDirty=!1)})),s.on("canvasPos",(function(){s._layoutDirty=!0})),s.on("visible",(function(){s._visibilityDirty=!0})),s.setMarkerShown(!1!==r.markerShown),s.setLabelShown(r.labelShown),s.eye=r.eye?r.eye.slice():null,s.look=r.look?r.look.slice():null,s.up=r.up?r.up.slice():null,s.projection=r.projection,s}return C(i,[{key:"_buildHTML",value:function(){var e=this;if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);var t=this._markerHTML||"<p></p>";he.isArray(t)&&(t=t.join("")),t=this._renderTemplate(t.trim());var i=document.createRange().createContextualFragment(t);this._marker=i.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(function(){e.plugin.fire("markerClicked",e)})),this._marker.addEventListener("contextmenu",(function(t){t.preventDefault(),e.plugin.fire("contextmenu",e)})),this._marker.addEventListener("mouseenter",(function(){e.plugin.fire("markerMouseEnter",e)})),this._marker.addEventListener("mouseleave",(function(){e.plugin.fire("markerMouseLeave",e)})),this._marker.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);var r=this._labelHTML||"<p></p>";he.isArray(r)&&(r=r.join("")),r=this._renderTemplate(r.trim());var s=document.createRange().createContextualFragment(r);this._label=s.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}}},{key:"_updatePosition",value:function(){var e=function(e){return e+"px"},t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],r=t[1]+this.canvasPos[1],s=this._marker.getBoundingClientRect().width,n=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(s/2-12);this._marker.style.left=e(n-s/2),this._marker.style.top=e(r-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;var o=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(n+a*(s/2+Math.abs(this._labelPosition)+o/2)-o/2),this._label.style.top=e(r-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}},{key:"_renderTemplate",value:function(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){var i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}},{key:"setFromPickResult",value:function(e){if(e.worldPos&&e.worldNormal){var t=re.normalizeVec3(e.worldNormal,Ct),i=this.plugin&&this.plugin.surfaceOffset||0,r=re.mulVec3Scalar(t,i,Mt),s=re.addVec3(e.worldPos,r,Et);this.entity=e.entity,this.worldPos=s}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}},{key:"setMarkerAlign",value:function(e){var t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}},{key:"setLabelPosition",value:function(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}},{key:"setMarkerShown",value:function(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}},{key:"getMarkerShown",value:function(){return this._markerShown}},{key:"setLabelShown",value:function(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}},{key:"getLabelShown",value:function(){return this._labelShown}},{key:"setField",value:function(e,t){this._values[e]=t||"",this._htmlDirty=!0}},{key:"getField",value:function(e){return this._values[e]}},{key:"setValues",value:function(e){for(var t in e)if(e.hasOwnProperty(t)){var i=e[t];this.setField(t,i)}}},{key:"getValues",value:function(){return this._values}},{key:"destroy",value:function(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),kt=function(e){g(i,Ue);var t=_(i);function i(e,r){var s;return B(this,i),(s=t.call(this,"Annotations",e))._labelHTML=r.labelHTML||"<div></div>",s._markerHTML=r.markerHTML||"<div></div>",s._container=r.container||document.body,s._values=r.values||{},s.annotations={},s.surfaceOffset=r.surfaceOffset,s}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){if("clearAnnotations"===e)this.clear()}},{key:"surfaceOffset",get:function(){return this._surfaceOffset},set:function(e){null==e&&(e=.3),this._surfaceOffset=e}},{key:"createAnnotation",value:function(e){var t=this;this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var i=null;e.markerElementId&&((i=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var r=null;e.labelElementId&&((r=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));var s=new Ft(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:i,labelElement:r,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:he.apply(e.values,he.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(function(){delete t.annotations[s.id],t.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}},{key:"destroyAnnotation",value:function(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.annotations),t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),It=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._canvas=s.canvas,r._element=null,r._isCustom=!1,s.elementId&&(r._element=document.getElementById(s.elementId),r._element?r._adjustPosition():r.error("Can't find given Spinner HTML element: '"+s.elementId+"' - will automatically create default element")),r._element||r._createDefaultSpinner(),r.processes=0,r}return C(i,[{key:"type",get:function(){return"Spinner"}},{key:"_createDefaultSpinner",value:function(){this._injectDefaultCSS();var e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}},{key:"_injectDefaultCSS",value:function(){var e="xeokit-spinner-css";if(!document.getElementById(e)){var t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}}},{key:"_adjustPosition",value:function(){if(!this._isCustom){var e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}}},{key:"processes",get:function(){return this._processes},set:function(e){if(e=e||0,this._processes!==e&&!(e<0)){var t=this._processes;this._processes=e;var i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}}},{key:"_destroy",value:function(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);var e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}]),i}(),Dt=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"],St=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._backgroundColor=re.vec3([s.backgroundColor?s.backgroundColor[0]:1,s.backgroundColor?s.backgroundColor[1]:1,s.backgroundColor?s.backgroundColor[2]:1]),r._backgroundColorFromAmbientLight=!!s.backgroundColorFromAmbientLight,r.canvas=s.canvas,r.gl=null,r.webgl2=!1,r.transparent=!!s.transparent,r.contextAttr=s.contextAttr||{},r.contextAttr.alpha=r.transparent,r.contextAttr.preserveDrawingBuffer=!!r.contextAttr.preserveDrawingBuffer,r.contextAttr.stencil=!1,r.contextAttr.premultipliedAlpha=!!r.contextAttr.premultipliedAlpha,r.contextAttr.antialias=!1!==r.contextAttr.antialias,r.resolutionScale=s.resolutionScale,r.canvas.width=Math.round(r.canvas.clientWidth*r._resolutionScale),r.canvas.height=Math.round(r.canvas.clientHeight*r._resolutionScale),r.boundary=[r.canvas.offsetLeft,r.canvas.offsetTop,r.canvas.clientWidth,r.canvas.clientHeight],r._initWebGL(s);var n=b(r);r.canvas.addEventListener("webglcontextlost",r._webglcontextlostListener=function(e){console.time("webglcontextrestored"),n.scene._webglContextLost(),n.fire("webglcontextlost"),e.preventDefault()},!1),r.canvas.addEventListener("webglcontextrestored",r._webglcontextrestoredListener=function(e){n._initWebGL(),n.gl&&(n.scene._webglContextRestored(n.gl),n.fire("webglcontextrestored",n.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);var o=!0,a=new ResizeObserver((function(e){var t,i=c(e);try{for(i.s();!(t=i.n()).done;){t.value.contentBoxSize&&(o=!0)}}catch(e){i.e(e)}finally{i.f()}}));return a.observe(r.canvas),r._tick=r.scene.on("tick",(function(){o&&(o=!1,n.canvas.width=Math.round(n.canvas.clientWidth*n._resolutionScale),n.canvas.height=Math.round(n.canvas.clientHeight*n._resolutionScale),n.boundary[0]=n.canvas.offsetLeft,n.boundary[1]=n.canvas.offsetTop,n.boundary[2]=n.canvas.clientWidth,n.boundary[3]=n.canvas.clientHeight,n.fire("boundary",n.boundary))})),r._spinner=new It(r.scene,{canvas:r.canvas,elementId:s.spinnerElementId}),r}return C(i,[{key:"type",get:function(){return"Canvas"}},{key:"backgroundColorFromAmbientLight",get:function(){return this._backgroundColorFromAmbientLight},set:function(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}},{key:"backgroundColor",get:function(){return this._backgroundColor},set:function(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}},{key:"resolutionScale",get:function(){return this._resolutionScale},set:function(e){if((e=e||1)!==this._resolutionScale){this._resolutionScale=e;var t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}}},{key:"spinner",get:function(){return this._spinner}},{key:"_createCanvas",value:function(){var e="xeokit-canvas-"+re.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),r=i.style;r.height="100%",r.width="100%",r.padding="0",r.margin="0",r.background="rgba(0,0,0,0);",r.float="left",r.left="0",r.top="0",r.position="absolute",r.opacity="1.0",r["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}},{key:"_getElementXY",value:function(e){for(var t=0,i=0;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}},{key:"_initWebGL",value:function(){if(!this.gl)for(var e=0;!this.gl&&e<Dt.length;e++)try{this.gl=this.canvas.getContext(Dt[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));var t=this.gl,i="__",r=t.activeTexture;t.activeTexture=function(e){i!==e&&(i=e,r.call(this,e))};var s={},n=t.bindTexture;t.bindTexture=function(e,t){s[i]!==t&&(s[i]=t,n.call(this,e,t))},this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}},{key:"getSnapshot",value:function(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}},{key:"readPixels",value:function(e,t,i,r){return this.scene._renderer.readPixels(e,t,i,r)}},{key:"loseWebGLContext",value:function(){this.canvas.loseContext&&this.canvas.loseContext()}},{key:"destroy",value:function(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Tt=function(){function e(t){B(this,e),this._scene=t,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}return C(e,[{key:"reset",value:function(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=re.vec3(),this.snapPickOrigin=re.vec3()}},{key:"getRTCViewMatrix",value:function(e,t){var i=this._rtcViewMats[e];return i||(i=this._getNewMat(),He(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}},{key:"getRTCPickViewMatrix",value:function(e,t){var i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();var r=this.pickViewMatrix||this._scene.camera.viewMatrix;He(r,t,i),this._rtcPickViewMats[e]=i}return i}},{key:"_getNewMat",value:function(){var e=this._matPool[this._matPoolNextFreeIndex];return e||(e=re.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}]),e}(),Lt={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Rt=document.createElement("canvas");if(Rt){var Ut=Rt.getContext("webgl",{antialias:!0})||Rt.getContext("experimental-webgl",{antialias:!0});Lt.WEBGL=!!Ut,Lt.WEBGL&&(Lt.ANTIALIAS=Ut.getContextAttributes().antialias,Ut.getShaderPrecisionFormat?Ut.getShaderPrecisionFormat(Ut.FRAGMENT_SHADER,Ut.HIGH_FLOAT).precision>0?Lt.FS_MAX_FLOAT_PRECISION="highp":Ut.getShaderPrecisionFormat(Ut.FRAGMENT_SHADER,Ut.MEDIUM_FLOAT).precision>0?Lt.FS_MAX_FLOAT_PRECISION="mediump":Lt.FS_MAX_FLOAT_PRECISION="lowp":Lt.FS_MAX_FLOAT_PRECISION="mediump",Lt.DEPTH_BUFFER_BITS=Ut.getParameter(Ut.DEPTH_BITS),Lt.MAX_TEXTURE_SIZE=Ut.getParameter(Ut.MAX_TEXTURE_SIZE),Lt.MAX_CUBE_MAP_SIZE=Ut.getParameter(Ut.MAX_CUBE_MAP_TEXTURE_SIZE),Lt.MAX_RENDERBUFFER_SIZE=Ut.getParameter(Ut.MAX_RENDERBUFFER_SIZE),Lt.MAX_TEXTURE_UNITS=Ut.getParameter(Ut.MAX_COMBINED_TEXTURE_IMAGE_UNITS),Lt.MAX_TEXTURE_IMAGE_UNITS=Ut.getParameter(Ut.MAX_TEXTURE_IMAGE_UNITS),Lt.MAX_VERTEX_ATTRIBS=Ut.getParameter(Ut.MAX_VERTEX_ATTRIBS),Lt.MAX_VERTEX_UNIFORM_VECTORS=Ut.getParameter(Ut.MAX_VERTEX_UNIFORM_VECTORS),Lt.MAX_FRAGMENT_UNIFORM_VECTORS=Ut.getParameter(Ut.MAX_FRAGMENT_UNIFORM_VECTORS),Lt.MAX_VARYING_VECTORS=Ut.getParameter(Ut.MAX_VARYING_VECTORS),Ut.getSupportedExtensions().forEach((function(e){Lt.SUPPORTED_EXTENSIONS[e]=!0})))}var Ot=function(){function e(){B(this,e),this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}return C(e,[{key:"canvasPos",get:function(){return this._gotCanvasPos?this._canvasPos:null},set:function(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}},{key:"origin",get:function(){return this._gotOrigin?this._origin:null},set:function(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}},{key:"direction",get:function(){return this._gotDirection?this._direction:null},set:function(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}},{key:"indices",get:function(){return this.entity&&this._gotIndices?this._indices:null},set:function(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}},{key:"localPos",get:function(){return this.entity&&this._gotLocalPos?this._localPos:null},set:function(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}},{key:"snappedCanvasPos",get:function(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null},set:function(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}},{key:"worldPos",get:function(){return this._gotWorldPos?this._worldPos:null},set:function(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}},{key:"viewPos",get:function(){return this.entity&&this._gotViewPos?this._viewPos:null},set:function(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}},{key:"bary",get:function(){return this.entity&&this._gotBary?this._bary:null},set:function(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}},{key:"worldNormal",get:function(){return this.entity&&this._gotWorldNormal?this._worldNormal:null},set:function(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}},{key:"uv",get:function(){return this.entity&&this._gotUV?this._uv:null},set:function(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}},{key:"snapped",get:function(){return this.snappedToEdge||this.snappedToVertex}},{key:"reset",value:function(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}]),e}(),Nt=function(){function e(t,i,r){if(B(this,e),this.allocated=!1,this.compiled=!1,this.handle=t.createShader(i),this.handle){if(this.allocated=!0,t.shaderSource(this.handle,r),t.compileShader(this.handle),this.compiled=t.getShaderParameter(this.handle,t.COMPILE_STATUS),!this.compiled&&!t.isContextLost()){for(var s=r.split("\n"),n=[],o=0;o<s.length;o++)n.push(o+1+": "+s[o]+"\n");this.errors=[],this.errors.push(""),this.errors.push(t.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(n.join(""))}}else this.errors=["Failed to allocate"]}return C(e,[{key:"destroy",value:function(){}}]),e}(),Qt=C((function e(t,i){B(this,e),this.bindTexture=function(e,r){return!!e.bind(r)&&(t.uniform1i(i,r),!0)}})),Vt=function(){function e(t,i){B(this,e),this._gl=t,this.location=i}return C(e,[{key:"bindArrayBuffer",value:function(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}]),e}(),Ht=new G({});function jt(e){for(var t,i,r=[],s=0,n=e.length;s<n;s++)(i=(t=e[s]).indexOf("/"))>0&&"/"===t.charAt(i+1)&&(t=t.substring(0,i)),r.push(t);return r.join("\n")}function Gt(e){console.error(e.join("\n"))}var zt=function(){function e(t,i){B(this,e),this.id=Ht.addItem({}),this.source=i,this.init(t)}return C(e,[{key:"init",value:function(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Nt(e,e.VERTEX_SHADER,jt(this.source.vertex)),this._fragmentShader=new Nt(e,e.FRAGMENT_SHADER,jt(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Gt(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Gt(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Gt(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Gt(this.errors);var t,i,r,s,n;if(this.compiled=!0,this.handle=e.createProgram(),this.handle){if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Gt(this.errors);var o=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<o;++i)(r=e.getActiveUniform(this.handle,i))&&("\0"===(s=r.name)[s.length-1]&&(s=s.substr(0,s.length-1)),n=e.getUniformLocation(this.handle,s),r.type===e.SAMPLER_2D||r.type===e.SAMPLER_CUBE||35682===r.type||e instanceof WebGL2RenderingContext&&(r.type===e.UNSIGNED_INT_SAMPLER_2D||r.type===e.INT_SAMPLER_2D)?this.samplers[s]=new Qt(e,n):this.uniforms[s]=n);var a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)(t=e.getActiveAttrib(this.handle,i))&&(n=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new Vt(e,n));this.allocated=!0}else this.errors=["Failed to allocate program"]}},{key:"bind",value:function(){this.allocated&&this.gl.useProgram(this.handle)}},{key:"getLocation",value:function(e){if(this.allocated)return this.uniforms[e]}},{key:"getAttribute",value:function(e){if(this.allocated)return this.attributes[e]}},{key:"bindTexture",value:function(e,t,i){if(!this.allocated)return!1;var r=this.samplers[e];return!!r&&r.bindTexture(t,i)}},{key:"destroy",value:function(){this.allocated&&(Ht.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}]),e}(),Wt=function(){function e(t,i,r,s,n,o,a,l,u){switch(B(this,e),this._gl=t,this.type=i,this.allocated=!1,r.constructor){case Uint8Array:this.itemType=t.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=t.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=t.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=t.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=t.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=t.INT,this.itemByteSize=4;break;default:this.itemType=t.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=n,this.normalized=!!a,this.stride=l||0,this.offset=u||0,this._allocate(r)}return C(e,[{key:"_allocate",value:function(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}},{key:"setData",value:function(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}},{key:"bind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}},{key:"unbind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,null)}},{key:"destroy",value:function(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}]),e}(),Kt=function(){function e(t,i){B(this,e),this.scene=t,this.aabb=re.AABB3(),this.origin=re.vec3(i),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}return C(e,[{key:"addMarker",value:function(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}},{key:"markerWorldPosUpdated",value:function(e){if(this.markers[e.id]){var t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}}},{key:"removeMarker",value:function(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}},{key:"update",value:function(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}},{key:"_buildMarkerList",value:function(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}},{key:"_buildPositions",value:function(){for(var e=0,t=0;t<this.numMarkers;t++)if(this.markerList[t]){var i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}},{key:"_buildAABB",value:function(){var e=this.aabb;re.collapseAABB3(e),re.expandAABB3Points3(e,this.positions);var t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}},{key:"_buildVBOs",value:function(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}var e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new Wt(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}},{key:"_buildOcclusionTestList",value:function(){var e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,r=i[2],s=i[3],n=0;this.lenOcclusionTestList=0;for(var o=0;o<this.numMarkers;o++){var a=this.markerList[o];if(a.viewPos[2]>-t)a._setVisible(!1);else{var l=a.canvasPos,u=l[0],c=l[1];u+10<0||c+10<0||u-10>r||c-10>s?a._setVisible(!1):!a.entity||a.entity.visible?a.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=a,this.pixels[n++]=u,this.pixels[n++]=c):a._setVisible(!0):a._setVisible(!1)}}}},{key:"_updateActiveSectionPlanes",value:function(){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i];if(r.active){var s=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===s)return void(this.culledBySectionPlanes=!0);var n=0===s;this.sectionPlanesActive[i]=n}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}},{key:"destroy",value:function(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}]),e}(),Xt=re.vec3([1,0,0]),Jt=re.vec3(),Yt=function(){function e(t,i){var r=this;B(this,e),this._scene=t,this._renderBufferManager=i,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=t.camera.on("viewMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCameraProjMatrix=t.camera.on("projMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCanvasBoundary=t.canvas.on("boundary",(function(){r._occlusionTestListDirty=!0}))}return C(e,[{key:"addMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i||(i=new Kt(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}},{key:"markerWorldPosUpdated",value:function(e){var t=this._markersToOcclusionLayersMap[e.id];if(t){var i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);var r=this._occlusionLayers[i];r||(r=new Kt(this._scene,e.origin),this._occlusionLayers[i]=r,this._occlusionLayersListDirty=!0),r.addMarker(e),this._markersToOcclusionLayersMap[e.id]=r}else t.markerWorldPosUpdated(e)}}},{key:"removeMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}},{key:"needOcclusionTest",get:function(){return this._occlusionTestListDirty}},{key:"bindRenderBuf",value:function(){var e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(var t=0,i=this._occlusionLayersList.length;t<i;t++){this._occlusionLayersList[t].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}},{key:"_buildOcclusionLayersList",value:function(){var e=0;for(var t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}},{key:"_buildShaderSource",value:function(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}},{key:"_buildVertexShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}},{key:"_buildFragmentShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// OcclusionTester fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  float dist = 0.0;");for(var n=0;n<t.sectionPlanes.length;n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),r.push("}"),r}},{key:"_buildProgram",value:function(){this._program&&this._program.destroy();var e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new zt(t,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=i.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}}},{key:"drawMarkers",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e._sectionPlanesState,s=e.camera,n=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s._project._state.matrix),e.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=this._occlusionLayersList.length;a<l;a++){var u=this._occlusionLayersList[a];if(u.update(),!u.culledBySectionPlanes){var c=u.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,He(s.viewMatrix,c));var A=r.sectionPlanes.length;if(A>0)for(var h=r.sectionPlanes,d=0;d<A;d++){var p=this._uSectionPlanes[d];if(p){var f=u.sectionPlanesActive[d];if(t.uniform1i(p.active,f?1:0),f){var v=h[d];t.uniform3fv(p.pos,We(v.dist,v.dir,c,Jt)),t.uniform3fv(p.dir,v.dir)}}}this._aPosition.bindArrayBuffer(u.positionsBuf);var g=u.indicesBuf;g.bind(),t.drawElements(t.POINTS,g.numItems,g.itemType,0)}}}},{key:"doOcclusionTest",value:function(){for(var e=this._scene.canvas.resolutionScale,t=255*Xt[0],i=255*Xt[1],r=255*Xt[2],s=0,n=this._occlusionLayersList.length;s<n;s++)for(var o=this._occlusionLayersList[s],a=0;a<o.lenOcclusionTestList;a++){var l=o.occlusionTestList[a],u=2*a,c=this._readPixelBuf.read(Math.round(o.pixels[u]*e),Math.round(o.pixels[u+1]*e)),A=c[0]===t&&c[1]===i&&c[2]===r;l._setVisible(A)}}},{key:"unbindRenderBuf",value:function(){this._readPixelBuf.unbind()}},{key:"destroy",value:function(){if(!this.destroyed){for(var e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}]),e}(),Zt=re.vec2(),qt=function(){function e(t){B(this,e),this._scene=t,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}return C(e,[{key:"render",value:function(e){var t=this;if(this._build(),!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;t._scene.camera.on("projMatrix",(function(){e=!0}));var i=re.mat4();return function(){return e&&re.inverseMat4(s.camera.projMatrix,i),i}}());var i=this._scene.canvas.gl,r=this._program,s=this._scene,n=s.sao,o=i.drawingBufferWidth,a=i.drawingBufferHeight,l=s.camera.project._state,u=l.near,c=l.far,A=l.matrix,h=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;Zt[0]=o,Zt[1]=a,i.viewport(0,0,o,a),i.clearColor(0,0,0,1),i.disable(i.DEPTH_TEST),i.disable(i.BLEND),i.frontFace(i.CCW),i.clear(i.COLOR_BUFFER_BIT),r.bind(),i.uniform1f(this._uCameraNear,u),i.uniform1f(this._uCameraFar,c),i.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,A),i.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,h),i.uniform1i(this._uPerspective,p),i.uniform1f(this._uScale,n.scale*(c/5)),i.uniform1f(this._uIntensity,n.intensity),i.uniform1f(this._uBias,n.bias),i.uniform1f(this._uKernelRadius,n.kernelRadius),i.uniform1f(this._uMinResolution,n.minResolution),i.uniform2fv(this._uViewport,Zt),i.uniform1f(this._uRandomSeed,d);var f=e.getDepthTexture();r.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),i.drawElements(i.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"_build",value:function(){var e=!1,t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),e){var i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new zt(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:["#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ".concat(this._numSamples,"\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var r=new Float32Array([1,1,0,1,0,0,1,0]),s=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),n=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Wt(i,i.ARRAY_BUFFER,s,s.length,3,i.STATIC_DRAW),this._uvBuf=new Wt(i,i.ARRAY_BUFFER,r,r.length,2,i.STATIC_DRAW),this._indicesBuf=new Wt(i,i.ELEMENT_ARRAY_BUFFER,n,n.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}}},{key:"destroy",value:function(){this._program&&(this._program.destroy(),this._program=null)}}]),e}(),$t=new Float32Array(ni(17,[0,1])),ei=new Float32Array(ni(17,[1,0])),ti=new Float32Array(function(e,t){for(var i=[],r=0;r<=e;r++)i.push(si(r,t));return i}(17,4)),ii=new Float32Array(2),ri=function(){function e(t){B(this,e),this._scene=t,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}return C(e,[{key:"init",value:function(){var e=this._scene.canvas.gl;if(this._program=new zt(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS ".concat(16,"\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),r=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Wt(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new Wt(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new Wt(e,e.ELEMENT_ARRAY_BUFFER,r,r.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}},{key:"render",value:function(e,t,i){var r=this;if(!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;r._scene.camera.on("projMatrix",(function(){e=!0}));var t=re.mat4();return function(){return e&&re.inverseMat4(o.camera.projMatrix,t),t}}());var s=this._scene.canvas.gl,n=this._program,o=this._scene,a=s.drawingBufferWidth,l=s.drawingBufferHeight,u=o.camera.project._state,c=u.near,A=u.far;s.viewport(0,0,a,l),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),n.bind(),ii[0]=a,ii[1]=l,s.uniform2fv(this._uViewport,ii),s.uniform1f(this._uCameraNear,c),s.uniform1f(this._uCameraFar,A),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,ei):s.uniform2fv(this._uSampleOffsets,$t),s.uniform1fv(this._uSampleWeights,ti);var h=e.getDepthTexture(),d=t.getTexture();n.bindTexture(this._uDepthTexture,h,0),n.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"destroy",value:function(){this._program.destroy()}}]),e}();function si(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function ni(e,t){for(var i=[],r=0;r<=e;r++)i.push(t[0]*r),i.push(t[1]*r);return i}var oi=function(){function e(t,i,r){B(this,e),r=r||{},this.gl=i,this.allocated=!1,this.canvas=t,this.buffer=null,this.bound=!1,this.size=r.size,this._hasDepthTexture=!!r.depthTexture}return C(e,[{key:"setSize",value:function(e){this.size=e}},{key:"webglContextRestored",value:function(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}},{key:"bind",value:function(){if(this._touch.apply(this,arguments),!this.bound){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}}},{key:"createTexture",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=this.gl,s=r.createTexture();return r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),i?r.texStorage2D(r.TEXTURE_2D,1,i,e,t):r.texImage2D(r.TEXTURE_2D,0,r.RGBA,e,t,0,r.RGBA,r.UNSIGNED_BYTE,null),s}},{key:"_touch",value:function(){var e,t,i=this,r=this.gl;if(this.size?(e=this.size[0],t=this.size[1]):(e=r.drawingBufferWidth,t=r.drawingBufferHeight),this.buffer){if(this.buffer.width===e&&this.buffer.height===t)return;this.buffer.textures.forEach((function(e){return r.deleteTexture(e)})),r.deleteFramebuffer(this.buffer.framebuf),r.deleteRenderbuffer(this.buffer.renderbuf)}for(var s,n=[],o=arguments.length,a=new Array(o),l=0;l<o;l++)a[l]=arguments[l];a.length>0?n.push.apply(n,h(a.map((function(r){return i.createTexture(e,t,r)})))):n.push(this.createTexture(e,t)),this._hasDepthTexture&&(s=r.createTexture(),r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texImage2D(r.TEXTURE_2D,0,r.DEPTH_COMPONENT32F,e,t,0,r.DEPTH_COMPONENT,r.FLOAT,null));var u=r.createRenderbuffer();r.bindRenderbuffer(r.RENDERBUFFER,u),r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_COMPONENT32F,e,t);var c=r.createFramebuffer();r.bindFramebuffer(r.FRAMEBUFFER,c);for(var A=0;A<n.length;A++)r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0+A,r.TEXTURE_2D,n[A],0);if(a.length>0&&r.drawBuffers(n.map((function(e,t){return r.COLOR_ATTACHMENT0+t}))),this._hasDepthTexture?r.framebufferTexture2D(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.TEXTURE_2D,s,0):r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,u),r.bindTexture(r.TEXTURE_2D,null),r.bindRenderbuffer(r.RENDERBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,c),!r.isFramebuffer(c))throw"Invalid framebuffer";r.bindFramebuffer(r.FRAMEBUFFER,null);var d=r.checkFramebufferStatus(r.FRAMEBUFFER);switch(d){case r.FRAMEBUFFER_COMPLETE:break;case r.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case r.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+d}this.buffer={framebuf:c,renderbuf:u,texture:n[0],textures:n,depthTexture:s,width:e,height:t},this.bound=!1}},{key:"clear",value:function(){if(!this.bound)throw"Render buffer not bound";var e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}},{key:"read",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:Uint8Array,n=arguments.length>5&&void 0!==arguments[5]?arguments[5]:4,o=arguments.length>6&&void 0!==arguments[6]?arguments[6]:0,a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,u=new s(n),c=this.gl;return c.readBuffer(c.COLOR_ATTACHMENT0+o),c.readPixels(a,l,1,1,i||c.RGBA,r||c.UNSIGNED_BYTE,u,0),u}},{key:"readArray",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:Uint8Array,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:4,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:0,n=new i(this.buffer.width*this.buffer.height*r),o=this.gl;return o.readBuffer(o.COLOR_ATTACHMENT0+s),o.readPixels(0,0,this.buffer.width,this.buffer.height,e||o.RGBA,t||o.UNSIGNED_BYTE,n,0),n}},{key:"readImageAsCanvas",value:function(){var e=this.gl,t=this._getImageDataCache(),i=t.pixelData,r=t.canvas,s=t.imageData,n=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);for(var o=this.buffer.width,a=this.buffer.height,l=a/2|0,u=4*o,c=new Uint8Array(4*o),A=0;A<l;++A){var h=A*u,d=(a-A-1)*u;c.set(i.subarray(h,h+u)),i.copyWithin(h,d,d+u),i.set(c,d)}return s.data.set(i),n.putImageData(s,0,0),r}},{key:"readImage",value:function(e){var t=this.gl,i=this._getImageDataCache(),r=i.pixelData,s=i.canvas,n=i.imageData,o=i.context,a=this.buffer,l=a.width,u=a.height;t.readPixels(0,0,l,u,t.RGBA,t.UNSIGNED_BYTE,r),n.data.set(r),o.putImageData(n,0,0),o.save(),o.globalCompositeOperation="copy",o.scale(1,-1),o.drawImage(s,0,-u,l,u),o.restore();var c=e.format||"png";return"jpeg"!==c&&"png"!==c&&"bmp"!==c&&(console.error("Unsupported image format: '"+c+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),c="png"),s.toDataURL("image/".concat(c))}},{key:"_getImageDataCache",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Uint8Array,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4,i=this.buffer.width,r=this.buffer.height,s=this._imageDataCache;if(s&&(s.width===i&&s.height===r||(this._imageDataCache=null,s=null)),!s){var n=document.createElement("canvas"),o=n.getContext("2d");n.width=i,n.height=r,s={pixelData:new e(i*r*t),canvas:n,context:o,imageData:o.createImageData(i,r),width:i,height:r},this._imageDataCache=s}return s.context.resetTransform(),s}},{key:"unbind",value:function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}},{key:"getTexture",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}},{key:"hasDepthTexture",value:function(){return this._hasDepthTexture}},{key:"getDepthTexture",value:function(){if(!this._hasDepthTexture)return null;var e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}},{key:"destroy",value:function(){if(this.allocated){var e=this.gl;this.buffer.textures.forEach((function(t){return e.deleteTexture(t)})),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}]),e}(),ai=function(){function e(t){B(this,e),this.scene=t,this._renderBuffersBasic={},this._renderBuffersScaled={}}return C(e,[{key:"getRenderBuffer",value:function(e,t){var i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled,r=i[e];return r||(r=new oi(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=r),r}},{key:"destroy",value:function(){for(var e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(var t in this._renderBuffersScaled)this._renderBuffersScaled[t].destroy()}}]),e}();function li(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];var i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}var ui=function(e,t){t=t||{};var i=new Tt(e),r=e.canvas.canvas,s=e.canvas.gl,n=!!t.transparent,o=t.alphaDepthMask,a=new G({}),l={},u={},c=[],A=[],h=!0,d=!0,p=!0,f=!0,v=!0,g=!0,m=!0,_=!0,y=new ai(e),b=!1,x=new qt(e),w=new ri(e);function B(){h&&(!function(){for(var e in l)if(l.hasOwnProperty(e)){var t=l[e],i=t.drawableMap,r=t.drawableListPreCull,s=0;for(var n in i)i.hasOwnProperty(n)&&(r[s++]=i[n]);r.length=s}}(),h=!1,d=!0),d&&(!function(){var e=0;for(var t in l)if(l.hasOwnProperty(t))for(var i=l[t].drawableListPreCull,r=0,s=i.length;r<s;r++){var n=i[r];c[e++]=n}c.length=e,c.sort((function(e,t){return e.renderOrder-t.renderOrder}))}(),d=!1,p=!0),p&&function(){for(var e=0,t=0,i=c.length;t<i;t++){var r=c[t];r.rebuildRenderFlags(),r.renderFlags.culled||(A[e++]=r)}A.length=e}()}function P(e){if(e.castsShadow){var t=e.getShadowRenderBuf();if(t){for(var r in t.bind(),i.reset(),i.backfaces=!0,i.frontface=!0,i.shadowViewMatrix=e.getShadowViewMatrix(),i.shadowProjMatrix=e.getShadowProjMatrix(),s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),l)if(l.hasOwnProperty(r))for(var n=l[r].drawableList,o=0,a=n.length;o<a;o++){var u=n[o];!1!==u.visible&&u.castsShadow&&u.drawShadow&&(u.renderFlags.colorOpaque&&u.drawShadow(i))}t.unbind()}}}function C(t,r,n,o,l,u){var c=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=u.origin,i.pickViewMatrix=n,i.pickProjMatrix=o,i.pickInvisible=!!l.pickInvisible,i.pickClipPos=[D(r[0]*c,s.drawingBufferWidth),S(r[1]*c,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var h=l.includeEntityIds,d=l.excludeEntityIds,p=0,f=A.length;p<f;p++){var v=A[p];!0!==v.culled&&!1!==v.visible&&(!v.drawPickMesh||!0!==l.pickInvisible&&!1===v.visible||!1===v.pickable||h&&!h[v.id]||d&&d[v.id]||v.drawPickMesh(i))}var g=t.read(0,0),m=g[0]+(g[1]<<8)+(g[2]<<16)+(g[3]<<24);if(!(m<0))return a.items[m]}function M(t,r,n,o,a,l){if(r.drawPickTriangles){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.drawPickTriangles(i);var c=t.read(0,0),A=c[0]+256*c[1]+256*c[2]*256+256*c[3]*256*256;A*=3,l.primIndex=A}}this.scene=e,this._occlusionTester=null,this.capabilities={astcSupported:!!li(s,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!li(s,"WEBGL_compressed_texture_etc"),dxtSupported:!!li(s,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!li(s,"EXT_texture_compression_bptc"),pvrtcSupported:!(!li(s,"WEBGL_compressed_texture_pvrtc")&&!li(s,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){f=e,p=!0},this.setEdgesEnabled=function(e){v=e,p=!0},this.setSAOEnabled=function(e){g=e,p=!0},this.setPBREnabled=function(e){m=e,p=!0},this.setColorTextureEnabled=function(e){_=e,p=!0},this.needStateSort=function(){d=!0},this.shadowsDirty=function(){},this.imageDirty=function(){p=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){x.init(),w.init(),p=!0},this.addDrawable=function(e,t){var i=t.type;if(i){var r=l[i];r||(r={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},l[i]=r),r.count++,r.drawableMap[e]=t,u[e]=t,h=!0}else console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring")},this.removeDrawable=function(e){var t=u[e];if(t){var i=t.type,r=l[i];--r.count<=0?delete l[i]:delete r.drawableMap[e],delete u[e],h=!0}else console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring")},this.getPickID=function(e){return a.addItem(e)},this.putPickID=function(e){a.removeItem(e)},this.clear=function(t){if(s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(1,1,1,1);else{var i=e.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():e.canvas.backgroundColor;s.clearColor(i[0],i[1],i[2],1)}s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT)},this.needsRender=function(){return p||h||d},this.render=function(t){(t=t||{}).force&&(p=!0),B(),p&&(!function(t){var r=e.sao;g&&r.possible&&function(t){var r=e.sao,n=y.getRenderBuffer("saoDepth",{depthTexture:!0});n.bind(),n.clear(),function(e){i.reset(),i.pass=e.pass,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),!1!==e.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var t=0,r=A.length;t<r;t++){var n=A[t];!0!==n.culled&&!1!==n.visible&&n.drawDepth&&n.saoEnabled&&(n.renderFlags.colorOpaque&&n.drawDepth(i))}}(t),n.unbind();var o=y.getRenderBuffer("saoOcclusion");if(o.bind(),o.clear(),x.render(n),o.unbind(),r.blur){var a=y.getRenderBuffer("saoOcclusion2");a.bind(),a.clear(),w.render(n,o,0),a.unbind(),o.bind(),o.clear(),w.render(n,a,1),o.unbind()}}(t);(function(){for(var t=e._lightsState.lights,i=0,r=t.length;i<r;i++){var s=t[i];s.castsShadow&&P(s)}})(),function(t){var r=[],a=[],l=[],u=[],c=[],h=[],d=[],p=[],b=[],x=[],w=[],B=[],P=[],C=[],M=[],E=[],F=e._lightsState.getAmbientColorAndIntensity();if(i.reset(),i.pass=t.pass,i.withSAO=!1,i.pbrEnabled=m&&!!e.pbrEnabled,i.colorTextureEnabled=_&&!!e.colorTextureEnabled,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(0,0,0,0);else{var k=e.canvas.backgroundColorFromAmbientLight?F:e.canvas.backgroundColor;s.clearColor(k[0],k[1],k[2],1)}s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),s.lineWidth(1),i.lineWidth=1;var I,D,S=e.sao.possible;if(g&&S){var T=y.getRenderBuffer("saoOcclusion");i.occlusionTexture=T?T.getTexture():null}else i.occlusionTexture=null;var L=Date.now();!1!==t.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var R=0,U=0,O=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0,Z=0,q=0,$=A.length;q<$;q++)if(!0!==(D=A[q]).culled&&!1!==D.visible){var ee=D.renderFlags;ee.colorOpaque&&(g&&S&&D.saoEnabled?r[R++]=D:D.drawColorOpaque(i)),f&&ee.colorTransparent&&(l[O++]=D),ee.xrayedSilhouetteTransparent&&(d[H++]=D),ee.xrayedSilhouetteOpaque&&(c[Q++]=D),ee.highlightedSilhouetteTransparent&&(w[W++]=D),ee.highlightedSilhouetteOpaque&&(b[G++]=D),ee.selectedSilhouetteTransparent&&(M[Y++]=D),ee.selectedSilhouetteOpaque&&(P[X++]=D),D.edges&&v&&(ee.edgesOpaque&&(a[U++]=D),ee.edgesTransparent&&(u[N++]=D),ee.selectedEdgesTransparent&&(E[Z++]=D),ee.selectedEdgesOpaque&&(C[J++]=D),ee.xrayedEdgesTransparent&&(p[j++]=D),ee.xrayedEdgesOpaque&&(h[V++]=D),ee.highlightedEdgesTransparent&&(B[K++]=D),ee.highlightedEdgesOpaque&&(x[z++]=D))}if(R>0)for(i.withSAO=!0,I=0;I<R;I++)r[I].drawColorOpaque(i);if(U>0)for(I=0;I<U;I++)a[I].drawEdgesColorOpaque(i);if(Q>0)for(I=0;I<Q;I++)c[I].drawSilhouetteXRayed(i);if(V>0)for(I=0;I<V;I++)h[I].drawEdgesXRayed(i);if(H>0||j>0||O>0||N>0){if(s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):(s.blendEquation(s.FUNC_ADD),s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA)),i.backfaces=!1,o||s.depthMask(!1),(O>0||N>0)&&s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),N>0)for(I=0;I<N;I++)(D=u[I]).drawEdgesColorTransparent(i);if(O>0)for(I=0;I<O;I++)(D=l[I]).drawColorTransparent(i);if(j>0)for(I=0;I<j;I++)p[I].drawEdgesXRayed(i);if(H>0)for(I=0;I<H;I++)d[I].drawSilhouetteXRayed(i);s.disable(s.BLEND),o||s.depthMask(!0)}if(G>0||z>0){if(i.lastProgramId=null,e.highlightMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),z>0)for(I=0;I<z;I++)x[I].drawEdgesHighlighted(i);if(G>0)for(I=0;I<G;I++)b[I].drawSilhouetteHighlighted(i)}if(W>0||K>0||G>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),s.enable(s.CULL_FACE),K>0)for(I=0;I<K;I++)B[I].drawEdgesHighlighted(i);if(W>0)for(I=0;I<W;I++)w[I].drawSilhouetteHighlighted(i);s.disable(s.BLEND)}if(X>0||J>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),J>0)for(I=0;I<J;I++)C[I].drawEdgesSelected(i);if(X>0)for(I=0;I<X;I++)P[I].drawSilhouetteSelected(i)}if(Y>0||Z>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),Z>0)for(I=0;I<Z;I++)E[I].drawEdgesSelected(i);if(Y>0)for(I=0;I<Y;I++)M[I].drawSilhouetteSelected(i);s.disable(s.BLEND)}var te=Date.now(),ie=ae.frame;ie.renderTime=(te-L)/1e3,ie.drawElements=i.drawElements,ie.drawArrays=i.drawArrays,ie.useProgram=i.useProgram,ie.bindTexture=i.bindTexture,ie.bindArray=i.bindArray;for(var re=Lt.MAX_TEXTURE_IMAGE_UNITS,se=0;se<re;se++)s.activeTexture(s.TEXTURE0+se);s.bindTexture(s.TEXTURE_CUBE_MAP,null),s.bindTexture(s.TEXTURE_2D,null);for(var ne=Lt.MAX_VERTEX_ATTRIBS,oe=0;oe<ne;oe++)s.disableVertexAttribArray(oe)}(t)}(t),ae.frame.frameCount++,p=!1)},this.pick=function(){var t=re.vec3();re.mat4();var i=re.mat4(),s=re.vec3(),n=re.vec3([0,1,0]),o=new Ot,a=re.vec2(),u=re.vec3(),c=re.vec3(),A=re.vec3();return re.vec3(),re.vec3(),function(h){var d,p=arguments.length>1&&void 0!==arguments[1]?arguments[1]:o;p.reset(),B();var f=null,v=null,g=null;for(var m in p.pickSurface=h.pickSurface,h.canvasPos?(u[0]=h.canvasPos[0],u[1]=h.canvasPos[1],f=e.camera.viewMatrix,v=e.camera.projMatrix,g=e.camera.projection,p.canvasPos=h.canvasPos):(h.matrix?(f=h.matrix,v=e.camera.projMatrix,g=e.camera.projection):(c.set(h.origin||[0,0,0]),A.set(h.direction||[0,0,1]),d=re.addVec3(c,A,t),s[0]=Math.random(),s[1]=Math.random(),s[2]=Math.random(),re.normalizeVec3(s),re.cross3Vec3(A,s,n),f=re.lookAtMat4v(c,d,n,i),v=e.camera.ortho.matrix,g="ortho",p.origin=c,p.direction=A),u[0]=.5*r.clientWidth,u[1]=.5*r.clientHeight),l)if(l.hasOwnProperty(m))for(var _=l[m].drawableList,b=0,x=_.length;b<x;b++){var w=_[b];w.setPickMatrices&&w.setPickMatrices(f,v)}var P=y.getRenderBuffer("pick",{size:[1,1]});P.bind();var E=C(P,u,f,v,h,p);if(!E)return P.unbind(),null;var k=E.delegatePickedEntity?E.delegatePickedEntity():E;return k?(h.pickSurface&&(E.canPickTriangle&&E.canPickTriangle()?(M(P,E,u,f,v,p),E.pickTriangleSurface(f,v,g,p),p.pickSurfacePrecision=!1):E.canPickWorldPos&&E.canPickWorldPos()&&(a[0]=e.camera.project.near,a[1]=e.camera.project.far,F(P,E,u,f,v,a,p),!1!==h.pickSurfaceNormal&&T(P,E,u,f,v,p),p.pickSurfacePrecision=!1)),P.unbind(),p.entity=k,p):(P.unbind(),null)}}();var E,F=function(){var t=re.vec4(),n=re.vec4(),o=re.vec4(),a=re.vec4(),l=re.vec4(),u=re.mat4(),c=re.mat4(),A=re.mat4();return function(h,d,p,f,v,g,m){var _=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=m.origin,i.pickViewMatrix=f,i.pickProjMatrix=v,i.pickZNear=g[0],i.pickZFar=g[1],i.pickElementsCount=d.pickElementsCount,i.pickElementsOffset=d.pickElementsOffset,i.pickClipPos=[D(p[0]*_,s.drawingBufferWidth),S(p[1]*_,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),d.drawPickDepths(i);var y,b=function(e){var t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return re.dotVec4(t,i)}(h.read(0,0)),x=(p[0]-r.clientWidth/2)/(r.clientWidth/2),w=-(p[1]-r.clientHeight/2)/(r.clientHeight/2),B=d.origin;if(B){var P=He(f,B,u);y=re.mulMat4(v,P,c)}else y=re.mulMat4(v,f,c);var C=re.inverseMat4(y,A);t[0]=x,t[1]=w,t[2]=-1,t[3]=1;var M=re.transformVec4(C,t);M=re.mulVec4Scalar(M,1/M[3]),n[0]=x,n[1]=w,n[2]=1,n[3]=1;var E=re.transformVec4(C,n);E=re.mulVec4Scalar(E,1/E[3]);var F=re.subVec3(E,M,o),k=re.addVec3(M,re.mulVec4Scalar(F,b,a),l);B&&re.addVec3(k,B),m.worldPos=k}}();function k(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(var t=0,i=A.length;t<i;t++){var r=A[t];r.drawSnapInit&&!r.culled&&r.visible&&r.pickable&&r.drawSnapInit(e)}return e.snapPickLayerParams}function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(var t=0,i=A.length;t<i;t++){var r=A[t];r.drawSnapInit&&r.drawSnap&&!r.culled&&r.visible&&r.pickable&&r.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}function T(t,r,n,o,a,l){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)];var c=y.getRenderBuffer("pick-normal",{size:[3,3]});c.bind(s.RGBA32I),s.viewport(0,0,c.size[0],c.size[1]),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),r.drawPickNormals(i);var A=c.read(1,1,s.RGBA_INTEGER,s.INT,Int32Array,4);c.unbind();var h=[A[0]/re.MAX_INT,A[1]/re.MAX_INT,A[2]/re.MAX_INT];re.normalizeVec3(h),l.worldNormal=h}this.snapPick=(E=new Ot,function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:E,n=t.canvasPos,o=t.origin,u=t.direction,c=t.snapRadius,A=t.snapToVertex,h=t.snapToEdge;if(!A&&!h)return this.pick({canvasPos:n,pickSurface:!0});var d=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickZNear=e.camera.project.near,i.pickZFar=e.camera.project.far;var p=c||30,f=y.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*p+1,2*p+1]});i.snapVectorA=[n?D(n[0]*d,s.drawingBufferWidth):0,n?S(n[1]*d,s.drawingBufferHeight):0],i.snapInvVectorAB=[s.drawingBufferWidth/(2*p),s.drawingBufferHeight/(2*p)],f.bind(s.RGBA32I,s.RGBA32I,s.RGBA8UI),s.viewport(0,0,f.size[0],f.size[1]),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.disable(s.CULL_FACE),s.depthMask(!0),s.disable(s.BLEND),s.depthFunc(s.LEQUAL),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),s.clearBufferiv(s.COLOR,1,new Int32Array([0,0,0,0])),s.clearBufferuiv(s.COLOR,2,new Uint32Array([0,0,0,0])),i.pickViewMatrix=n?e.camera.viewMatrix:re.lookAtMat4v(o,re.addVec3(o,u,re.vec3()),re.vec3([0,1,0]),re.mat4());var v=e.camera.projMatrix;for(var g in l)if(l.hasOwnProperty(g))for(var m=l[g].drawableList,_=0,b=m.length;_<b;_++){var x=m[_];x.setPickMatrices&&x.setPickMatrices(i.pickViewMatrix,v)}s.drawBuffers([s.COLOR_ATTACHMENT0,s.COLOR_ATTACHMENT1,s.COLOR_ATTACHMENT2]);var w=k(i),B=[];i.snapPickLayerParams=B,s.depthMask(!1),s.drawBuffers([s.COLOR_ATTACHMENT0]),A&&h?(i.snapMode="edge",I(i),i.snapMode="vertex",i.snapPickLayerNumber++,I(i)):(i.snapMode=A?"vertex":"edge",I(i)),s.depthMask(!0);var P=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4),C=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4,1),M=f.readArray(s.RGBA_INTEGER,s.UNSIGNED_INT,Uint32Array,4,2);f.unbind();var F=null,T=null,L=null,R=p,U=p,O=4*R+U*f.size[0]*4,N=P.slice(O,O+4),Q=C.slice(O,O+4),V=M.slice(O,O+4);if(0!==N[3]){var H=w[Math.abs(N[3])%w.length],j=H.origin,G=H.coordinateScale;F=[N[0]*G[0]+j[0],N[1]*G[1]+j[1],N[2]*G[2]+j[2]],T=re.normalizeVec3([Q[0]/re.MAX_INT,Q[1]/re.MAX_INT,Q[2]/re.MAX_INT]);var z=V[0]+(V[1]<<8)+(V[2]<<16)+(V[3]<<24);L=a.items[z]}for(var W=[],K=0;K<P.length;K+=4)if(P[K+3]>0){var X=Math.floor(K/4),J=f.size[0],Y=X%J-Math.floor(J/2),Z=Math.floor(X/J)-Math.floor(J/2),q=Math.sqrt(Math.pow(Y,2)+Math.pow(Z,2));W.push({x:Y,y:Z,dist:q,isVertex:A&&h?P[K+3]>B.length/2:A,result:[P[K+0],P[K+1],P[K+2],P[K+3]],normal:[C[K+0],C[K+1],C[K+2],C[K+3]],id:[M[K+0],M[K+1],M[K+2],M[K+3]]})}var $=null,ee=null,te=null,ie=null;if(W.length>0){W.sort((function(e,t){return e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist})),ie=W[0].isVertex?"vertex":"edge";var se=W[0].result,ne=W[0].normal,oe=W[0].id,ae=B[se[3]],le=ae.origin,ue=ae.coordinateScale;ee=re.normalizeVec3([ne[0]/re.MAX_INT,ne[1]/re.MAX_INT,ne[2]/re.MAX_INT]),$=[se[0]*ue[0]+le[0],se[1]*ue[1]+le[1],se[2]*ue[2]+le[2]],te=a.items[oe[0]+(oe[1]<<8)+(oe[2]<<16)+(oe[3]<<24)]}if(null===F&&null==$)return null;var ce=null;null!==$&&(ce=e.camera.projectWorldPos($));var Ae=te&&te.delegatePickedEntity?te.delegatePickedEntity():te;return!Ae&&L&&(L=L.delegatePickedEntity?L.delegatePickedEntity():L),r.reset(),r.snappedToEdge="edge"===ie,r.snappedToVertex="vertex"===ie,r.worldPos=$||F,r.worldNormal=ee||T,r.entity=Ae||L,r.canvasPos=n||e.camera.projectWorldPos(F||$),r.snappedCanvasPos=ce||n,r}),this.addMarker=function(t){this._occlusionTester=this._occlusionTester||new Yt(e,y),this._occlusionTester.addMarker(t),e.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){B(),this._occlusionTester.bindRenderBuf(),i.reset(),i.backfaces=!0,i.frontface=!0,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var e=0,t=A.length;e<t;e++){var r=A[e];r.drawOcclusion&&!0!==r.culled&&!1!==r.visible&&!1!==r.pickable&&r.drawOcclusion(i)}this._occlusionTester.drawMarkers(i),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,r){var s,n,o,a,l=y.getRenderBuffer("snapshot");for(l.bind(),l.clear(),this.render({force:!0,opaqueOnly:r}),n=0;n<i;n++)o=2*n,a=4*n,s=l.read(e[o],e[o+1]),t[a]=s[0],t[a+1]=s[1],t[a+2]=s[2],t[a+3]=s[3];l.unbind(),p=!0},this.beginSnapshot=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=y.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),b=!0},this.renderSnapshot=function(){b&&(y.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),p=!0)},this.readSnapshot=function(e){return y.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return y.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){b&&(y.getRenderBuffer("snapshot").unbind(),b=!1)},this.destroy=function(){l={},u={},y.destroy(),x.destroy(),w.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}},ci=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).KEY_BACKSPACE=8,r.KEY_TAB=9,r.KEY_ENTER=13,r.KEY_SHIFT=16,r.KEY_CTRL=17,r.KEY_ALT=18,r.KEY_PAUSE_BREAK=19,r.KEY_CAPS_LOCK=20,r.KEY_ESCAPE=27,r.KEY_PAGE_UP=33,r.KEY_PAGE_DOWN=34,r.KEY_END=35,r.KEY_HOME=36,r.KEY_LEFT_ARROW=37,r.KEY_UP_ARROW=38,r.KEY_RIGHT_ARROW=39,r.KEY_DOWN_ARROW=40,r.KEY_INSERT=45,r.KEY_DELETE=46,r.KEY_NUM_0=48,r.KEY_NUM_1=49,r.KEY_NUM_2=50,r.KEY_NUM_3=51,r.KEY_NUM_4=52,r.KEY_NUM_5=53,r.KEY_NUM_6=54,r.KEY_NUM_7=55,r.KEY_NUM_8=56,r.KEY_NUM_9=57,r.KEY_A=65,r.KEY_B=66,r.KEY_C=67,r.KEY_D=68,r.KEY_E=69,r.KEY_F=70,r.KEY_G=71,r.KEY_H=72,r.KEY_I=73,r.KEY_J=74,r.KEY_K=75,r.KEY_L=76,r.KEY_M=77,r.KEY_N=78,r.KEY_O=79,r.KEY_P=80,r.KEY_Q=81,r.KEY_R=82,r.KEY_S=83,r.KEY_T=84,r.KEY_U=85,r.KEY_V=86,r.KEY_W=87,r.KEY_X=88,r.KEY_Y=89,r.KEY_Z=90,r.KEY_LEFT_WINDOW=91,r.KEY_RIGHT_WINDOW=92,r.KEY_SELECT_KEY=93,r.KEY_NUMPAD_0=96,r.KEY_NUMPAD_1=97,r.KEY_NUMPAD_2=98,r.KEY_NUMPAD_3=99,r.KEY_NUMPAD_4=100,r.KEY_NUMPAD_5=101,r.KEY_NUMPAD_6=102,r.KEY_NUMPAD_7=103,r.KEY_NUMPAD_8=104,r.KEY_NUMPAD_9=105,r.KEY_MULTIPLY=106,r.KEY_ADD=107,r.KEY_SUBTRACT=109,r.KEY_DECIMAL_POINT=110,r.KEY_DIVIDE=111,r.KEY_F1=112,r.KEY_F2=113,r.KEY_F3=114,r.KEY_F4=115,r.KEY_F5=116,r.KEY_F6=117,r.KEY_F7=118,r.KEY_F8=119,r.KEY_F9=120,r.KEY_F10=121,r.KEY_F11=122,r.KEY_F12=123,r.KEY_NUM_LOCK=144,r.KEY_SCROLL_LOCK=145,r.KEY_SEMI_COLON=186,r.KEY_EQUAL_SIGN=187,r.KEY_COMMA=188,r.KEY_DASH=189,r.KEY_PERIOD=190,r.KEY_FORWARD_SLASH=191,r.KEY_GRAVE_ACCENT=192,r.KEY_OPEN_BRACKET=219,r.KEY_BACK_SLASH=220,r.KEY_CLOSE_BRACKET=221,r.KEY_SINGLE_QUOTE=222,r.KEY_SPACE=32,r.MOUSE_LEFT_BUTTON=260,r.MOUSE_MIDDLE_BUTTON=261,r.MOUSE_RIGHT_BUTTON=262,r.element=s.element,r.altDown=!1,r.ctrlDown=!1,r.mouseDownLeft=!1,r.mouseDownMiddle=!1,r.mouseDownRight=!1,r.keyDown=[],r.enabled=!0,r.keyboardEnabled=!0,r.mouseover=!1,r.mouseCanvasPos=re.vec2(),r._keyboardEventsElement=s.keyboardEventsElement||document,r._bindEvents(),r}return C(i,[{key:"_bindEvents",value:function(){var e=this;if(!this._eventsBound){this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!0:t.keyCode===e.KEY_ALT?e.altDown=!0:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!0),e.keyDown[t.keyCode]=!0,e.fire("keydown",t.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!1:t.keyCode===e.KEY_ALT?e.altDown=!1:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!1),e.keyDown[t.keyCode]=!1,e.fire("keyup",t.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=function(t){e.enabled&&(e.mouseover=!0,e._getMouseCanvasPos(t),e.fire("mouseenter",e.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=function(t){e.enabled&&(e.mouseover=!1,e._getMouseCanvasPos(t),e.fire("mouseleave",e.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!0;break;case 2:e.mouseDownMiddle=!0;break;case 3:e.mouseDownRight=!0}e._getMouseCanvasPos(t),e.element.focus(),e.fire("mousedown",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!1;break;case 2:e.mouseDownMiddle=!1;break;case 3:e.mouseDownRight=!1}e.fire("mouseup",e.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("click",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("dblclick",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}});var t=this.scene.tickify((function(){return e.fire("mousemove",e.mouseCanvasPos,!0)}));this.element.addEventListener("mousemove",this._mouseMoveListener=function(i){e.enabled&&(e._getMouseCanvasPos(i),t(),e.mouseover&&i.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=function(t){e.enabled&&(e._getMouseCanvasPos(t),e.fire("contextmenu",e.mouseCanvasPos,!0))});var i=this.scene.tickify((function(t){e.fire("mousewheel",t,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=function(t,r){if(e.enabled){var s=Math.max(-1,Math.min(1,40*-t.deltaY));i(s)}},{passive:!0});var r,s;this.on("mousedown",(function(e){r=e[0],s=e[1]})),this.on("mouseup",(function(t){r>=t[0]-2&&r<=t[0]+2&&s>=t[1]-2&&s<=t[1]+2&&e.fire("mouseclicked",t,!0)})),this.element.addEventListener("touchstart",this._touchstartListener=function(t){e.enabled&&h(t.changedTouches).forEach((function(t){e.fire("touchstart",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=function(t){e.enabled&&h(t.changedTouches).forEach((function(t){e.fire("touchend",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this._eventsBound=!0}}},{key:"_unbindEvents",value:function(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}},{key:"_getTouchCanvasPos",value:function(e){for(var t=e.target,i=0,r=0;t.offsetParent;)i+=t.offsetLeft,r+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-r]}},{key:"_getMouseCanvasPos",value:function(e){if(e){var t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}},{key:"setEnabled",value:function(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}},{key:"getEnabled",value:function(){return this.enabled}},{key:"setKeyboardEnabled",value:function(e){this.keyboardEnabled=e}},{key:"getKeyboardEnabled",value:function(){return this.keyboardEnabled}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._unbindEvents()}}]),i}(),Ai=new G({}),hi=function(){function e(t){for(var i in B(this,e),this.id=Ai.addItem({}),t)t.hasOwnProperty(i)&&(this[i]=t[i])}return C(e,[{key:"destroy",value:function(){Ai.removeItem(this.id)}}]),e}(),di=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({boundary:[0,0,100,100]}),r.boundary=s.boundary,r.autoBoundary=s.autoBoundary,r}return C(i,[{key:"type",get:function(){return"Viewport"}},{key:"boundary",get:function(){return this._state.boundary},set:function(e){if(!this._autoBoundary){if(!e){var t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}},{key:"autoBoundary",get:function(){return this._autoBoundary},set:function(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){var t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),pi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new hi({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r._fov=60,r._canvasResized=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r.fov=s.fov,r.fovAxis=s.fovAxis,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Perspective"}},{key:"_update",value:function(){var e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis,r=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(r/=t),r=Math.min(r,120),re.perspectiveMat4(r*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}},{key:"fov",get:function(){return this._fov},set:function(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}},{key:"fovAxis",get:function(){return this._fovAxis},set:function(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}]),i}(),fi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new hi({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.scale=s.scale,r.near=s.near,r.far=s.far,r._onCanvasBoundary=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r}return C(i,[{key:"type",get:function(){return"Ortho"}},{key:"_update",value:function(){var e,t,i,r,s=this.scene,n=.5*this._scale,o=s.canvas.boundary,a=o[2],l=o[3],u=a/l;a>l?(e=-n,t=n,i=n/u,r=-n/u):(e=-n*u,t=n*u,i=n,r=-n),re.orthoMat4c(e,t,r,i,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}]),i}(),vi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new hi({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._left=-1,r._right=1,r._bottom=-1,r._top=1,r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.left=s.left,r.right=s.right,r.bottom=s.bottom,r.top=s.top,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Frustum"}},{key:"_update",value:function(){re.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"left",get:function(){return this._left},set:function(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}},{key:"right",get:function(){return this._right},set:function(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}},{key:"top",get:function(){return this._top},set:function(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}},{key:"bottom",get:function(){return this._bottom},set:function(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}},{key:"near",get:function(){return this._state.near},set:function(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}},{key:"far",get:function(){return this._state.far},set:function(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),gi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new hi({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4()}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!1,r.matrix=s.matrix,r}return C(i,[{key:"type",get:function(){return"CustomProjection"}},{key:"matrix",get:function(){return this._state.matrix},set:function(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),mi=re.vec3(),_i=re.vec3(),yi=re.vec3(),bi=re.vec3(),xi=re.vec3(),wi=re.vec3(),Bi=re.vec4(),Pi=re.vec4(),Ci=re.vec4(),Mi=re.mat4(),Ei=re.mat4(),Fi=re.vec3(),ki=re.vec3(),Ii=re.vec3(),Di=re.vec3(),Si=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({deviceMatrix:re.mat4(),hasDeviceMatrix:!1,matrix:re.mat4(),normalMatrix:re.mat4(),inverseMatrix:re.mat4()}),r._perspective=new pi(b(r)),r._ortho=new fi(b(r)),r._frustum=new vi(b(r)),r._customProjection=new gi(b(r)),r._project=r._perspective,r._eye=re.vec3([0,0,10]),r._look=re.vec3([0,0,0]),r._up=re.vec3([0,1,0]),r._worldUp=re.vec3([0,1,0]),r._worldRight=re.vec3([1,0,0]),r._worldForward=re.vec3([0,0,-1]),r.deviceMatrix=s.deviceMatrix,r.eye=s.eye,r.look=s.look,r.up=s.up,r.worldAxis=s.worldAxis,r.gimbalLock=s.gimbalLock,r.constrainPitch=s.constrainPitch,r.projection=s.projection,r._perspective.on("matrix",(function(){"perspective"===r._projectionType&&r.fire("projMatrix",r._perspective.matrix)})),r._ortho.on("matrix",(function(){"ortho"===r._projectionType&&r.fire("projMatrix",r._ortho.matrix)})),r._frustum.on("matrix",(function(){"frustum"===r._projectionType&&r.fire("projMatrix",r._frustum.matrix)})),r._customProjection.on("matrix",(function(){"customProjection"===r._projectionType&&r.fire("projMatrix",r._customProjection.matrix)})),r}return C(i,[{key:"type",get:function(){return"Camera"}},{key:"_update",value:function(){var e,t=this._state;"ortho"===this.projection?(re.subVec3(this._eye,this._look,Fi),re.normalizeVec3(Fi,ki),re.mulVec3Scalar(ki,1e3,Ii),re.addVec3(this._look,Ii,Di),e=Di):e=this._eye,t.hasDeviceMatrix?(re.lookAtMat4v(e,this._look,this._up,Ei),re.mulMat4(t.deviceMatrix,Ei,t.matrix)):re.lookAtMat4v(e,this._look,this._up,t.matrix),re.inverseMat4(this._state.matrix,this._state.inverseMatrix),re.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}},{key:"orbitYaw",value:function(e){var t=re.subVec3(this._eye,this._look,mi);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Mi),t=re.transformPoint3(Mi,t,_i),this.eye=re.addVec3(this._look,t,yi),this.up=re.transformPoint3(Mi,this._up,bi)}},{key:"orbitPitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._eye,this._look,mi),i=re.cross3Vec3(re.normalizeVec3(t,_i),re.normalizeVec3(this._up,yi));re.rotationMat4v(.0174532925*e,i,Mi),t=re.transformPoint3(Mi,t,bi),this.up=re.transformPoint3(Mi,this._up,xi),this.eye=re.addVec3(t,this._look,wi)}}},{key:"yaw",value:function(e){var t=re.subVec3(this._look,this._eye,mi);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Mi),t=re.transformPoint3(Mi,t,_i),this.look=re.addVec3(t,this._eye,yi),this._gimbalLock&&(this.up=re.transformPoint3(Mi,this._up,bi))}},{key:"pitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._look,this._eye,mi),i=re.cross3Vec3(re.normalizeVec3(t,_i),re.normalizeVec3(this._up,yi));re.rotationMat4v(.0174532925*e,i,Mi),this.up=re.transformPoint3(Mi,this._up,wi),t=re.transformPoint3(Mi,t,bi),this.look=re.addVec3(t,this._eye,xi)}}},{key:"pan",value:function(e){var t,i=re.subVec3(this._eye,this._look,mi),r=[0,0,0];if(0!==e[0]){var s=re.cross3Vec3(re.normalizeVec3(i,[]),re.normalizeVec3(this._up,_i));t=re.mulVec3Scalar(s,e[0]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]}0!==e[1]&&(t=re.mulVec3Scalar(re.normalizeVec3(this._up,yi),e[1]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),0!==e[2]&&(t=re.mulVec3Scalar(re.normalizeVec3(i,bi),e[2]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),this.eye=re.addVec3(this._eye,r,xi),this.look=re.addVec3(this._look,r,wi)}},{key:"zoom",value:function(e){var t=re.subVec3(this._eye,this._look,mi),i=Math.abs(re.lenVec3(t,_i)),r=Math.abs(i+e);if(!(r<.5)){var s=re.normalizeVec3(t,yi);this.eye=re.addVec3(this._look,re.mulVec3Scalar(s,r),bi)}}},{key:"eye",get:function(){return this._eye},set:function(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}},{key:"look",get:function(){return this._look},set:function(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}},{key:"up",get:function(){return this._up},set:function(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}},{key:"deviceMatrix",get:function(){return this._state.deviceMatrix},set:function(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}},{key:"worldAxis",get:function(){return this._worldAxis},set:function(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=re.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}},{key:"worldUp",get:function(){return this._worldUp}},{key:"xUp",get:function(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}},{key:"yUp",get:function(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}},{key:"zUp",get:function(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}},{key:"worldRight",get:function(){return this._worldRight}},{key:"worldForward",get:function(){return this._worldForward}},{key:"gimbalLock",get:function(){return this._gimbalLock},set:function(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}},{key:"constrainPitch",set:function(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}},{key:"eyeLookDist",get:function(){return re.lenVec3(re.subVec3(this._look,this._eye,mi))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"viewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"normalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"viewNormalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"inverseViewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}},{key:"projMatrix",get:function(){return this[this.projection].matrix}},{key:"perspective",get:function(){return this._perspective}},{key:"ortho",get:function(){return this._ortho}},{key:"frustum",get:function(){return this._frustum}},{key:"customProjection",get:function(){return this._customProjection}},{key:"projection",get:function(){return this._projectionType},set:function(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}},{key:"project",get:function(){return this._project}},{key:"projectWorldPos",value:function(e){var t=Bi,i=Pi,r=Ci;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,re.mulMat4v4(this.viewMatrix,t,i),re.mulMat4v4(this.projMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1;var s=this.scene.canvas.canvas,n=s.offsetWidth/2,o=s.offsetHeight/2;return[r[0]*n+n,r[1]*o+o]}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Ti=function(e){g(i,Ce);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r)}return C(i,[{key:"type",get:function(){return"Light"}},{key:"isLight",get:function(){return!0}}]),i}(),Li=function(e){g(i,Ti);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var n=r.scene.camera,o=r.scene.canvas;return r._onCameraViewMatrix=n.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=n.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=o.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new hi({type:"dir",dir:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(r._shadowViewMatrixDirty){r._shadowViewMatrix||(r._shadowViewMatrix=re.identityMat4());var e=r.scene.camera,t=r._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]];re.lookAtMat4v(s,i,[0,1,0],r._shadowViewMatrix),r._shadowViewMatrixDirty=!1}return r._shadowViewMatrix},getShadowProjMatrix:function(){return r._shadowProjMatrixDirty&&(r._shadowProjMatrix||(r._shadowProjMatrix=re.identityMat4()),re.orthoMat4c(-40,40,-40,40,-40,80,r._shadowProjMatrix),r._shadowProjMatrixDirty=!1),r._shadowProjMatrix},getShadowRenderBuf:function(){return r._shadowRenderBuf||(r._shadowRenderBuf=new oi(r.scene.canvas.canvas,r.scene.canvas.gl,{size:[1024,1024]})),r._shadowRenderBuf}}),r.dir=s.dir,r.color=s.color,r.intensity=s.intensity,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"DirLight"}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}(),Ri=function(e){g(i,Ti);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state={type:"ambient",color:re.vec3([.7,.7,.7]),intensity:1},r.color=s.color,r.intensity=s.intensity,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"AmbientLight"}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lightDestroyed(this)}}]),i}(),Ui=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),r=t.call(this,e,s),ae.memory.meshes++,r}return C(i,[{key:"type",get:function(){return"Geometry"}},{key:"isGeometry",get:function(){return!0}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),ae.memory.meshes--}}]),i}(),Oi=function(){var e=[],t=[],i=[],r=[],s=[],n=0,o=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),u=re.vec3(),c=re.vec3(),A=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3();return function(v,g,m,_){!function(s,n){var o,a,l,u,c,A,h={},d=Math.pow(10,4),p=0;for(c=0,A=s.length;c<A;c+=3)o=s[c],a=s[c+1],l=s[c+2],void 0===h[u=Math.round(o*d)+"_"+Math.round(a*d)+"_"+Math.round(l*d)]&&(h[u]=p/3,e[p++]=o,e[p++]=a,e[p++]=l),t[c/3]=h[u];for(c=0,A=n.length;c<A;c++)r[c]=t[n[c]],i[r[c]]=n[c]}(v,g),function(t,i){n=0;for(var v=0,g=t;v<g;v+=3){var m=3*r[v],_=3*r[v+1],y=3*r[v+2];i?(o[0]=e[m],o[1]=e[m+1],o[2]=e[m+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[y],l[1]=e[y+1],l[2]=e[y+2],re.decompressPosition(o,i,u),re.decompressPosition(a,i,c),re.decompressPosition(l,i,A)):(u[0]=e[m],u[1]=e[m+1],u[2]=e[m+2],c[0]=e[_],c[1]=e[_+1],c[2]=e[_+2],A[0]=e[y],A[1]=e[y+1],A[2]=e[y+2]),re.subVec3(A,c,h),re.subVec3(u,c,d),re.cross3Vec3(h,d,p),re.normalizeVec3(p,f);var b=s[n]||(s[n]={normal:re.vec3()});b.normal[0]=f[0],b.normal[1]=f[1],b.normal[2]=f[2],n++}}(g.length,m);for(var y,b,x,w,B,P,C,M,E,F,k=[],I=Math.cos(re.DEGTORAD*_),D={},S=!1,T=0,L=g.length;T<L;T+=3)for(var R=T/3,U=0;U<3;U++)y=r[T+U],b=r[T+(U+1)%3],void 0===D[B=(x=Math.min(y,b))+","+(w=Math.max(y,b))]?D[B]={index1:x,index2:w,face1:R,face2:void 0}:D[B].face2=R;for(B in D)void 0!==(P=D[B]).face2&&(C=s[P.face1].normal,M=s[P.face2].normal,re.dotVec3(C,M)>I)||(E=i[P.index1],F=i[P.index2],(!S&&E>65535||F>65535)&&(S=!0),k.push(E),k.push(F));return S?new Uint32Array(k):new Uint16Array(k)}}();var Ni=function(){var e=re.mat4(),t=re.mat4();return function(i,r){r=r||re.mat4();var s=i[0],n=i[1],o=i[2],a=i[3]-s,l=i[4]-n,u=i[5]-o,c=65535;return re.identityMat4(e),re.translationMat4v(i,e),re.identityMat4(t),re.scalingMat4v([a/c,l/c,u/c],t),re.mulMat4(e,t,r),r}}(),Qi=function(){var e=re.mat4(),t=re.mat4();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([s[0]!==r[0]?65535/(s[0]-r[0]):0,s[1]!==r[1]?65535/(s[1]-r[1]):0,s[2]!==r[2]?65535/(s[2]-r[2]):0]);for(n=0;n<i.length;n+=3)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1]))),o[n+2]=Math.max(0,Math.min(65535,Math.floor((i[n+2]-r[2])*a[2])));return re.identityMat4(e),re.translationMat4v(r,e),re.identityMat4(t),re.scalingMat4v([(s[0]-r[0])/65535,(s[1]-r[1])/65535,(s[2]-r[2])/65535],t),{quantized:o,decodeMatrix:re.mulMat4(e,t,re.identityMat4())}}}();var Vi=function(){var e=re.mat3(),t=re.mat3();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([65535/(s[0]-r[0]),65535/(s[1]-r[1])]);for(n=0;n<i.length;n+=2)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1])));return re.identityMat3(e),re.translationMat3v(r,e),re.identityMat3(t),re.scalingMat3v([(s[0]-r[0])/65535,(s[1]-r[1])/65535],t),{quantized:o,decodeMatrix:re.mulMat3(e,t,re.identityMat3())}}}();function Hi(e,t,i,r){var s=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),n=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){var o=(1-Math.abs(n))*(s>=0?1:-1),a=(1-Math.abs(s))*(n>=0?1:-1);s=o,n=a}return new Int8Array([Math[i](127.5*s+(s<0?-1:0)),Math[r](127.5*n+(n<0?-1:0))])}function ji(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}function Gi(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}var zi={getPositionsBounds:function(e){var t,i,r=new Float32Array(3),s=new Float32Array(3);for(t=0;t<3;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=3)for(i=0;i<3;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},createPositionsDecodeMatrix:Ni,compressPositions:Qi,compressPosition:function(e,t,i){var r=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*r[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*r[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*r[2])))},decompressPositions:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[12],i[r+1]=e[r+1]*t[5]+t[13],i[r+2]=e[r+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:e;return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){var t,i,r=new Float32Array(2),s=new Float32Array(2);for(t=0;t<2;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=2)for(i=0;i<2;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},compressUVs:Vi,decompressUVs:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[6],i[r+1]=e[r+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){for(var t,i,r,s,n=new Int8Array(e.length),o=0;o<e.length;o+=3)i=t=Hi(e,o,"floor","floor"),r=s=Gi(e,o,ji(t)),(r=Gi(e,o,ji(t=Hi(e,o,"ceil","floor"))))>s&&(i=t,s=r),(r=Gi(e,o,ji(t=Hi(e,o,"floor","ceil"))))>s&&(i=t,s=r),(r=Gi(e,o,ji(t=Hi(e,o,"ceil","ceil"))))>s&&(i=t,s=r),n[o]=i[0],n[o+1]=i[1];return n},decompressNormals:function(e,t){for(var i=0,r=0,s=e.length;i<s;i+=2){var n=e[i+0],o=e[i+1];n=(2*n+1)/255,o=(2*o+1)/255;var a=1-Math.abs(n)-Math.abs(o);a<0&&(n=(1-Math.abs(o))*(n>=0?1:-1),o=(1-Math.abs(n))*(o>=0?1:-1));var l=Math.sqrt(n*n+o*o+a*a);t[r+0]=n/l,t[r+1]=o/l,t[r+2]=a/l,r+=3}return t},decompressNormal:function(e,t){var i=e[0],r=e[1];i=(2*i+1)/255,r=(2*r+1)/255;var s=1-Math.abs(i)-Math.abs(r);s<0&&(i=(1-Math.abs(r))*(i>=0?1:-1),r=(1-Math.abs(i))*(r>=0?1:-1));var n=Math.sqrt(i*i+r*r+s*s);return t[0]=i/n,t[1]=r/n,t[2]=s/n,t}},Wi=ae.memory,Ki=re.AABB3(),Xi=function(e){g(i,Ui);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._state=new hi({compressGeometry:!!s.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._edgeIndicesBuf=null,r._pickTrianglePositionsBuf=null,r._pickTriangleColorsBuf=null,r._aabbDirty=!0,r._boundingSphere=!0,r._aabb=null,r._aabbDirty=!0,r._obb=null,r._obbDirty=!0;var n=r._state,o=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":n.primitive=o.POINTS,n.primitiveName=s.primitive;break;case"lines":n.primitive=o.LINES,n.primitiveName=s.primitive;break;case"line-loop":n.primitive=o.LINE_LOOP,n.primitiveName=s.primitive;break;case"line-strip":n.primitive=o.LINE_STRIP,n.primitiveName=s.primitive;break;case"triangles":n.primitive=o.TRIANGLES,n.primitiveName=s.primitive;break;case"triangle-strip":n.primitive=o.TRIANGLE_STRIP,n.primitiveName=s.primitive;break;case"triangle-fan":n.primitive=o.TRIANGLE_FAN,n.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),n.primitive=o.TRIANGLES,n.primitiveName=s.primitive}if(s.positions)if(r._state.compressGeometry){var a=zi.getPositionsBounds(s.positions),l=zi.compressPositions(s.positions,a.min,a.max);n.positions=l.quantized,n.positionsDecodeMatrix=l.decodeMatrix}else n.positions=s.positions.constructor===Float32Array?s.positions:new Float32Array(s.positions);if(s.colors&&(n.colors=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors)),s.uv)if(r._state.compressGeometry){var u=zi.getUVBounds(s.uv),c=zi.compressUVs(s.uv,u.min,u.max);n.uv=c.quantized,n.uvDecodeMatrix=c.decodeMatrix}else n.uv=s.uv.constructor===Float32Array?s.uv:new Float32Array(s.uv);return s.normals&&(r._state.compressGeometry?n.normals=zi.compressNormals(s.normals):n.normals=s.normals.constructor===Float32Array?s.normals:new Float32Array(s.normals)),s.indices&&(n.indices=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3)),r._buildHash(),Wi.meshes++,r._buildVBOs(),r}return C(i,[{key:"type",get:function(){return"ReadableGeometry"}},{key:"isReadableGeometry",get:function(){return!0}},{key:"_buildVBOs",value:function(){var e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),Wi.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new Wt(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),Wi.positions+=e.positionsBuf.numItems),e.normals){var i=e.compressGeometry;e.normalsBuf=new Wt(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),Wi.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new Wt(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),Wi.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new Wt(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),Wi.uvs+=e.uvBuf.numItems)}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}},{key:"_getPickTrianglePositions",value:function(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}},{key:"_getPickTriangleColors",value:function(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}},{key:"_buildEdgeIndices",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=Oi(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),Wi.indices+=this._edgeIndicesBuf.numItems}}},{key:"_buildPickTriangleVBOs",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=re.buildPickTriangles(e.positions,e.indices,e.compressGeometry),r=i.positions,s=i.colors;this._pickTrianglePositionsBuf=new Wt(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new Wt(t,t.ARRAY_BUFFER,s,s.length,4,t.STATIC_DRAW,!0),Wi.positions+=this._pickTrianglePositionsBuf.numItems,Wi.colors+=this._pickTriangleColorsBuf.numItems}}},{key:"_buildPickVertexVBOs",value:function(){}},{key:"_webglContextLost",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}},{key:"_webglContextRestored",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"compressGeometry",get:function(){return this._state.compressGeometry}},{key:"positions",get:function(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),zi.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null},set:function(e){var t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){var r=zi.getPositionsBounds(e),s=zi.compressPositions(e,r.min,r.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}},{key:"normals",get:function(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){var e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),zi.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry normals - quantized geometry is immutable");else{var t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}}},{key:"uv",get:function(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),zi.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry UVs - quantized geometry is immutable");else{var t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}}},{key:"colors",get:function(){return this._state.colors},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry colors - quantized geometry is immutable");else{var t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}}},{key:"indices",get:function(){return this._state.indices}},{key:"aabb",get:function(){return this._aabbDirty&&(this._aabb||(this._aabb=re.AABB3()),re.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}},{key:"obb",get:function(){return this._obbDirty&&(this._obb||(this._obb=re.OBB3()),re.positions3ToAABB3(this._state.positions,Ki,this._state.positionsDecodeMatrix),re.AABB3ToOBB3(Ki,this._obb),this._obbDirty=!1),this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_setAABBDirty",value:function(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),Wi.meshes--}}]),i}();function Ji(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,c=-r+a,A=t+n,h=i+o,d=r+a;return he.apply(e,{positions:[A,h,d,l,h,d,l,u,d,A,u,d,A,h,d,A,u,d,A,u,c,A,h,c,A,h,d,A,h,c,l,h,c,l,h,d,l,h,d,l,h,c,l,u,c,l,u,d,l,u,c,A,u,c,A,u,d,l,u,d,A,u,c,l,u,c,l,h,c,A,h,c],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}var Yi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),r=t.call(this,e,s),ae.memory.materials++,r}return C(i,[{key:"type",get:function(){return"Material"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),ae.memory.materials--}}]),i}(),Zi={opaque:0,mask:1,blend:2},qi=["opaque","mask","blend"],$i=function(e){g(i,Yi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"PhongMaterial",ambient:re.vec3([1,1,1]),diffuse:re.vec3([1,1,1]),specular:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.ambient=s.ambient,r.diffuse=s.diffuse,r.specular=s.specular,r.emissive=s.emissive,r.alpha=s.alpha,r.shininess=s.shininess,r.reflectivity=s.reflectivity,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,s.ambientMap&&(r._ambientMap=r._checkComponent("Texture",s.ambientMap)),s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.reflectivityMap&&(r._reflectivityMap=r._checkComponent("Texture",s.reflectivityMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.diffuseFresnel&&(r._diffuseFresnel=r._checkComponent("Fresnel",s.diffuseFresnel)),s.specularFresnel&&(r._specularFresnel=r._checkComponent("Fresnel",s.specularFresnel)),s.emissiveFresnel&&(r._emissiveFresnel=r._checkComponent("Fresnel",s.emissiveFresnel)),s.alphaFresnel&&(r._alphaFresnel=r._checkComponent("Fresnel",s.alphaFresnel)),s.reflectivityFresnel&&(r._reflectivityFresnel=r._checkComponent("Fresnel",s.reflectivityFresnel)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"PhongMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"shininess",get:function(){return this._state.shininess},set:function(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"reflectivity",get:function(){return this._state.reflectivity},set:function(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}},{key:"normalMap",get:function(){return this._normalMap}},{key:"ambientMap",get:function(){return this._ambientMap}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specularMap",get:function(){return this._specularMap}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"reflectivityMap",get:function(){return this._reflectivityMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"diffuseFresnel",get:function(){return this._diffuseFresnel}},{key:"specularFresnel",get:function(){return this._specularFresnel}},{key:"emissiveFresnel",get:function(){return this._emissiveFresnel}},{key:"alphaFresnel",get:function(){return this._alphaFresnel}},{key:"reflectivityFresnel",get:function(){return this._reflectivityFresnel}},{key:"alphaMode",get:function(){return qi[this._state.alphaMode]},set:function(e){var t=Zi[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),er={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}},tr=function(e){g(i,Yi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),r._preset="default",s.preset?(r.preset=s.preset,void 0!==s.fill&&(r.fill=s.fill),s.fillColor&&(r.fillColor=s.fillColor),void 0!==s.fillAlpha&&(r.fillAlpha=s.fillAlpha),void 0!==s.edges&&(r.edges=s.edges),s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth),void 0!==s.backfaces&&(r.backfaces=s.backfaces),void 0!==s.glowThrough&&(r.glowThrough=s.glowThrough)):(r.fill=s.fill,r.fillColor=s.fillColor,r.fillAlpha=s.fillAlpha,r.edges=s.edges,r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth,r.backfaces=s.backfaces,r.glowThrough=s.glowThrough),r}return C(i,[{key:"type",get:function(){return"EmphasisMaterial"}},{key:"presets",get:function(){return er}},{key:"fill",get:function(){return this._state.fill},set:function(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}},{key:"fillColor",get:function(){return this._state.fillColor},set:function(e){var t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}},{key:"fillAlpha",get:function(){return this._state.fillAlpha},set:function(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"glowThrough",get:function(){return this._state.glowThrough},set:function(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=er[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(er).join(", "))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),ir={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}},rr=function(e){g(i,Yi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),r._preset="default",s.preset?(r.preset=s.preset,s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth)):(r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth),r.edges=!1!==s.edges,r}return C(i,[{key:"type",get:function(){return"EdgeMaterial"}},{key:"presets",get:function(){return ir}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=ir[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(ir).join(", "))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),sr={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}},nr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._units="meters",r._scale=1,r._origin=re.vec3([0,0,0]),r.units=s.units,r.scale=s.scale,r.origin=s.origin,r}return C(i,[{key:"unitsInfo",get:function(){return sr}},{key:"units",get:function(){return this._units},set:function(e){e||(e="meters"),sr[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}},{key:"scale",get:function(){return this._scale},set:function(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}},{key:"origin",get:function(){return this._origin},set:function(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}},{key:"worldToRealPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}},{key:"realToWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}]),i}(),or=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._supported=Lt.SUPPORTED_EXTENSIONS.OES_standard_derivatives,r.enabled=s.enabled,r.kernelRadius=s.kernelRadius,r.intensity=s.intensity,r.bias=s.bias,r.scale=s.scale,r.minResolution=s.minResolution,r.numSamples=s.numSamples,r.blur=s.blur,r.blendCutoff=s.blendCutoff,r.blendFactor=s.blendFactor,r}return C(i,[{key:"supported",get:function(){return this._supported}},{key:"enabled",get:function(){return this._enabled},set:function(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}},{key:"possible",get:function(){if(!this._supported)return!1;if(!this._enabled)return!1;var e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}},{key:"active",get:function(){return this._active}},{key:"kernelRadius",get:function(){return this._kernelRadius},set:function(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}},{key:"intensity",get:function(){return this._intensity},set:function(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}},{key:"bias",get:function(){return this._bias},set:function(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}},{key:"minResolution",get:function(){return this._minResolution},set:function(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}},{key:"numSamples",get:function(){return this._numSamples},set:function(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}},{key:"blur",get:function(){return this._blur},set:function(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}},{key:"blendCutoff",get:function(){return this._blendCutoff},set:function(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}},{key:"blendFactor",get:function(){return this._blendFactor},set:function(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ar=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).sliceColor=s.sliceColor,r.sliceThickness=s.sliceThickness,r}return C(i,[{key:"sliceThickness",get:function(){return this._sliceThickness},set:function(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}},{key:"sliceColor",get:function(){return this._sliceColor},set:function(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),lr={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}},ur=function(e){g(i,Yi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),s.preset?(r.preset=s.preset,void 0!==s.pointSize&&(r.pointSize=s.pointSize),void 0!==s.roundPoints&&(r.roundPoints=s.roundPoints),void 0!==s.perspectivePoints&&(r.perspectivePoints=s.perspectivePoints),void 0!==s.minPerspectivePointSize&&(r.minPerspectivePointSize=s.minPerspectivePointSize),void 0!==s.maxPerspectivePointSize&&(r.maxPerspectivePointSize=s.minPerspectivePointSize)):(r._preset="default",r.pointSize=s.pointSize,r.roundPoints=s.roundPoints,r.perspectivePoints=s.perspectivePoints,r.minPerspectivePointSize=s.minPerspectivePointSize,r.maxPerspectivePointSize=s.maxPerspectivePointSize),r.filterIntensity=s.filterIntensity,r.minIntensity=s.minIntensity,r.maxIntensity=s.maxIntensity,r}return C(i,[{key:"type",get:function(){return"PointsMaterial"}},{key:"presets",get:function(){return lr}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||2,this.glRedraw()}},{key:"roundPoints",get:function(){return this._state.roundPoints},set:function(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"perspectivePoints",get:function(){return this._state.perspectivePoints},set:function(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minPerspectivePointSize",get:function(){return this._state.minPerspectivePointSize},set:function(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}},{key:"maxPerspectivePointSize",get:function(){return this._state.maxPerspectivePointSize},set:function(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}},{key:"filterIntensity",get:function(){return this._state.filterIntensity},set:function(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minIntensity",get:function(){return this._state.minIntensity},set:function(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}},{key:"maxIntensity",get:function(){return this._state.maxIntensity},set:function(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=lr[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(lr).join(", "))}}},{key:"hash",get:function(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),cr={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}},Ar=function(e){g(i,Yi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"LinesMaterial",lineWidth:null}),s.preset?(r.preset=s.preset,void 0!==s.lineWidth&&(r.lineWidth=s.lineWidth)):(r._preset="default",r.lineWidth=s.lineWidth),r}return C(i,[{key:"type",get:function(){return"LinesMaterial"}},{key:"presets",get:function(){return cr}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=cr[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(cr).join(", "))}}},{key:"hash",get:function(){return[""+this.lineWidth].join(";")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function hr(e,t){for(var i,r,s={},n=0,o=t.length;n<o;n++)i=t[n],(r=e.components[i])?r.isEntity?s[i]=!0:e.warn("pick(): Component is not an Entity: "+i):e.warn("pick(): Component not found: "+i);return s}var dr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),r=t.call(this,null,s);var n=s.canvasElement||document.getElementById(s.canvasId);if(!(n instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";r._tickifiedFunctions={};var o=!!s.transparent,a=!!s.alphaDepthMask;return r._aabbDirty=!0,r._readableGeometry=!!s.readableGeometryEnabled,r.viewer=e,r.occlusionTestCountdown=0,r.loading=0,r.startTime=(new Date).getTime(),r.models={},r.objects={},r._numObjects=0,r.visibleObjects={},r._numVisibleObjects=0,r.xrayedObjects={},r._numXRayedObjects=0,r.highlightedObjects={},r._numHighlightedObjects=0,r.selectedObjects={},r._numSelectedObjects=0,r.colorizedObjects={},r._numColorizedObjects=0,r.opacityObjects={},r._numOpacityObjects=0,r.offsetObjects={},r._numOffsetObjects=0,r._modelIds=null,r._objectIds=null,r._visibleObjectIds=null,r._xrayedObjectIds=null,r._highlightedObjectIds=null,r._selectedObjectIds=null,r._colorizedObjectIds=null,r._opacityObjectIds=null,r._offsetObjectIds=null,r._collidables={},r._compilables={},r._needRecompile=!1,r.types={},r.components={},r.sectionPlanes={},r.lights={},r.lightMaps={},r.reflectionMaps={},r.bitmaps={},r.lineSets={},r.realWorldOffset=s.realWorldOffset||new Float64Array([0,0,0]),r.canvas=new St(b(r),{dontClear:!0,canvas:n,spinnerElementId:s.spinnerElementId,transparent:o,webgl2:!1!==s.webgl2,contextAttr:s.contextAttr||{},backgroundColor:s.backgroundColor,backgroundColorFromAmbientLight:s.backgroundColorFromAmbientLight,premultipliedAlpha:s.premultipliedAlpha}),r.canvas.on("boundary",(function(){r.glRedraw()})),r.canvas.on("webglContextFailed",(function(){alert("xeokit failed to find WebGL!")})),r._renderer=new ui(b(r),{transparent:o,alphaDepthMask:a}),r._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;var e=null;this.getHash=function(){if(e)return e;var t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";for(var i=[],r=0,s=t;r<s;r++)i.push("cp");return i.push(";"),e=i.join("")},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(var i=0,r=this.sectionPlanes.length;i<r;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){var e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},r._sectionPlanesState.setNumCachedSectionPlanes(s.numCachedSectionPlanes||0),r._lightsState=new function(){var e=re.vec4([0,0,0,0]),t=re.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];var i=null,r=null;this.getHash=function(){if(i)return i;for(var e,t=[],r=this.lights,s=0,n=r.length;s<n;s++)e=r[s],t.push("/"),t.push(e.type),t.push("world"===e.space?"w":"v"),e.castsShadow&&t.push("sh");return this.lightMaps.length>0&&t.push("/lm"),this.reflectionMaps.length>0&&t.push("/rm"),t.push(";"),i=t.join("")},this.addLight=function(e){this.lights.push(e),r=null,i=null},this.removeLight=function(e){for(var t=0,s=this.lights.length;t<s;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),r&&r.id===e.id&&(r=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(var t=0,r=this.reflectionMaps.length;t<r;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(var t=0,r=this.lightMaps.length;t<r;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!r)for(var i=0,s=this.lights.length;i<s;i++){var n=this.lights[i];if("ambient"===n.type){r=n;break}}if(r){var o=r.color,a=r.intensity;return t[0]=o[0],t[1]=o[1],t[2]=o[2],t[3]=a,t}return e}},r.input=new ci(b(r),{dontClear:!0,element:r.canvas.canvas,keyboardEventsElement:s.keyboardEventsElement}),r.metrics=new nr(b(r),{units:s.units,scale:s.scale,origin:s.origin}),r.sao=new or(b(r),{enabled:s.saoEnabled}),r.crossSections=new ar(b(r),{}),r.ticksPerRender=s.ticksPerRender,r.ticksPerOcclusionTest=s.ticksPerOcclusionTest,r.passes=s.passes,r.clearEachPass=s.clearEachPass,r.gammaInput=s.gammaInput,r.gammaOutput=s.gammaOutput,r.gammaFactor=s.gammaFactor,r._entityOffsetsEnabled=!!s.entityOffsetsEnabled,r._logarithmicDepthBufferEnabled=!!s.logarithmicDepthBufferEnabled,r._dtxEnabled=!1!==s.dtxEnabled,r._pbrEnabled=!!s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._dtxEnabled=!!s.dtxEnabled,r._markerZOffset=s.markerZOffset,we._addScene(b(r)),r._initDefaults(),r._viewport=new di(b(r),{id:"default.viewport",autoBoundary:!0,dontClear:!0}),r._camera=new Si(b(r),{id:"default.camera",dontClear:!0}),new Ri(b(r),{color:[1,1,1],intensity:.7}),new Li(b(r),{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Li(b(r),{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),r._camera.on("dirty",(function(){r._renderer.imageDirty()})),r}return C(i,[{key:"type",get:function(){return"Scene"}},{key:"_initDefaults",value:function(){}},{key:"_addComponent",value:function(e){if(e.id&&this.components[e.id]&&(this.error("Component "+he.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=re.createUUID();this.components[e.id]=e;var t=e.type,i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}},{key:"_removeComponent",value:function(e){var t=e.id,i=e.type;delete this.components[t];var r=this.types[i];r&&(delete r[t],he.isEmptyObject(r)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}},{key:"_sectionPlaneCreated",value:function(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}},{key:"_bitmapCreated",value:function(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}},{key:"_lineSetCreated",value:function(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}},{key:"_lightCreated",value:function(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}},{key:"_lightMapCreated",value:function(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapCreated",value:function(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}},{key:"_sectionPlaneDestroyed",value:function(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}},{key:"_bitmapDestroyed",value:function(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}},{key:"_lineSetDestroyed",value:function(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}},{key:"_lightDestroyed",value:function(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}},{key:"_lightMapDestroyed",value:function(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapDestroyed",value:function(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}},{key:"_registerModel",value:function(e){this.models[e.id]=e,this._modelIds=null}},{key:"_deregisterModel",value:function(e){var t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}},{key:"_registerObject",value:function(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}},{key:"_deregisterObject",value:function(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}},{key:"_objectVisibilityUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}},{key:"_deRegisterVisibleObject",value:function(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}},{key:"_objectXRayedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}},{key:"_deRegisterXRayedObject",value:function(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}},{key:"_objectHighlightedUpdated",value:function(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}},{key:"_deRegisterHighlightedObject",value:function(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}},{key:"_objectSelectedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}},{key:"_deRegisterSelectedObject",value:function(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}},{key:"_objectColorizeUpdated",value:function(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}},{key:"_deRegisterColorizedObject",value:function(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}},{key:"_objectOpacityUpdated",value:function(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}},{key:"_deRegisterOpacityObject",value:function(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}},{key:"_objectOffsetUpdated",value:function(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}},{key:"_deRegisterOffsetObject",value:function(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}},{key:"_webglContextLost",value:function(){for(var e in this.canvas.spinner.processes++,this.components)if(this.components.hasOwnProperty(e)){var t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}},{key:"_webglContextRestored",value:function(){var e=this.canvas.gl;for(var t in this.components)if(this.components.hasOwnProperty(t)){var i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}},{key:"capabilities",get:function(){return this._renderer.capabilities}},{key:"entityOffsetsEnabled",get:function(){return this._entityOffsetsEnabled}},{key:"readableGeometryEnabled",get:function(){return this._readableGeometry}},{key:"pickSurfacePrecisionEnabled",get:function(){return this._readableGeometry}},{key:"logarithmicDepthBufferEnabled",get:function(){return this._logarithmicDepthBufferEnabled}},{key:"numCachedSectionPlanes",get:function(){return this._sectionPlanesState.getNumCachedSectionPlanes()},set:function(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}},{key:"pbrEnabled",get:function(){return this._pbrEnabled},set:function(e){this._pbrEnabled=!!e,this.glRedraw()}},{key:"dtxEnabled",get:function(){return this._dtxEnabled},set:function(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled},set:function(e){this._colorTextureEnabled=!!e,this.glRedraw()}},{key:"markerZOffset",get:function(){return null==this._markerZOffset?-.001:this._markerZOffset}},{key:"doOcclusionTest",value:function(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}},{key:"render",value:function(e){e&&we.runTasks();var t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),e||this._renderer.needsRender()){t.sceneId=this.id;var i,r,s=this._passes,n=this._clearEachPass;for(i=0;i<s;i++)t.pass=i,this.fire("rendering",t,!0),r=n||0===i,this._renderer.render({pass:i,clear:r,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}}},{key:"compile",value:function(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}},{key:"_recompile",value:function(){for(var e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}},{key:"_saveAmbientColor",value:function(){var e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{var t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=re.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}},{key:"modelIds",get:function(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}},{key:"numObjects",get:function(){return this._numObjects}},{key:"objectIds",get:function(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}},{key:"numVisibleObjects",get:function(){return this._numVisibleObjects}},{key:"visibleObjectIds",get:function(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}},{key:"numXRayedObjects",get:function(){return this._numXRayedObjects}},{key:"xrayedObjectIds",get:function(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}},{key:"numHighlightedObjects",get:function(){return this._numHighlightedObjects}},{key:"highlightedObjectIds",get:function(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}},{key:"numSelectedObjects",get:function(){return this._numSelectedObjects}},{key:"selectedObjectIds",get:function(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}},{key:"numColorizedObjects",get:function(){return this._numColorizedObjects}},{key:"colorizedObjectIds",get:function(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}},{key:"opacityObjectIds",get:function(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}},{key:"offsetObjectIds",get:function(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}},{key:"ticksPerRender",get:function(){return this._ticksPerRender},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}},{key:"ticksPerOcclusionTest",get:function(){return this._ticksPerOcclusionTest},set:function(e){null==e?e=20:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}},{key:"passes",get:function(){return this._passes},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 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r&&(e.excludeEntityIds=hr(this,r)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}},{key:"snapPick",value:function(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}},{key:"clear",value:function(){var e;for(var t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}},{key:"clearLights",value:function(){for(var e=Object.keys(this.lights),t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}},{key:"clearSectionPlanes",value:function(){for(var 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this.withObjects(e,(function(e){var i=e.opacity!==t;return e.opacity=t,i}))}},{key:"setObjectsPickable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.pickable!==t;return e.pickable=t,i}))}},{key:"setObjectsOffset",value:function(e,t){this.withObjects(e,(function(e){e.offset=t}))}},{key:"withObjects",value:function(e,t){he.isString(e)&&(e=[e]);for(var i=!1,r=0,s=e.length;r<s;r++){var n=e[r],o=this.objects[n];if(o)i=t(o)||i;else for(var a=this.modelIds,l=0,u=a.length;l<u;l++){var c=a[l],A=re.globalizeObjectId(c,n);(o=this.objects[A])&&(i=t(o)||i)}}return i}},{key:"tickify",value:function(e){var t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;var i,r=0,s=0,n=function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++)t[r]=arguments[r];i=t,s++},o=this.on("tick",(function(){s>r&&(r=s,e.apply(void 0,h(i)))}));return this._tickifiedFunctions[t]={tickSubId:o,wrapperFunc:n},n}},{key:"destroy",value:function(){for(var e in f(x(i.prototype),"destroy",this).call(this),this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}]),i}(),pr=1e3,fr=1001,vr=1002,gr=1003,mr=1004,_r=1004,yr=1005,br=1005,xr=1006,wr=1007,Br=1007,Pr=1008,Cr=1008,Mr=1009,Er=1010,Fr=1011,kr=1012,Ir=1013,Dr=1014,Sr=1015,Tr=1016,Lr=1017,Rr=1018,Ur=1020,Or=1021,Nr=1022,Qr=1023,Vr=1024,Hr=1025,jr=1026,Gr=1027,zr=1028,Wr=1029,Kr=1030,Xr=1031,Jr=1033,Yr=33776,Zr=33777,qr=33778,$r=33779,es=35840,ts=35841,is=35842,rs=35843,ss=36196,ns=37492,os=37496,as=37808,ls=37809,us=37810,cs=37811,As=37812,hs=37813,ds=37814,ps=37815,fs=37816,vs=37817,gs=37818,ms=37819,_s=37820,ys=37821,bs=36492,xs=3e3,ws=3001,Bs=1e4,Ps=10001,Cs=10002,Ms=10003,Es=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene._lightsState,s=e._geometry._state,n=e._state.billboard,o=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!s.compressGeometry,u=[];u.push("#version 300 es"),u.push("// Lambertian drawing vertex shader"),u.push("in vec3 position;"),u.push("uniform mat4 modelMatrix;"),u.push("uniform mat4 viewMatrix;"),u.push("uniform mat4 projMatrix;"),u.push("uniform vec4 colorize;"),u.push("uniform vec3 offset;"),l&&u.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(u.push("uniform float logDepthBufFC;"),u.push("out float vFragDepth;"),u.push("bool isPerspectiveMatrix(mat4 m) {"),u.push("    return (m[2][3] == - 1.0);"),u.push("}"),u.push("out float isPerspective;"));a&&u.push("out vec4 vWorldPosition;");if(u.push("uniform vec4 lightAmbient;"),u.push("uniform vec4 materialColor;"),u.push("uniform vec3 materialEmissive;"),s.normalsBuf){u.push("in vec3 normal;"),u.push("uniform mat4 modelNormalMatrix;"),u.push("uniform mat4 viewNormalMatrix;");for(var c=0,A=r.lights.length;c<A;c++){var h=r.lights[c];"ambient"!==h.type&&(u.push("uniform vec4 lightColor"+c+";"),"dir"===h.type&&u.push("uniform vec3 lightDir"+c+";"),"point"===h.type&&u.push("uniform vec3 lightPos"+c+";"),"spot"===h.type&&(u.push("uniform vec3 lightPos"+c+";"),u.push("uniform vec3 lightDir"+c+";")))}l&&(u.push("vec3 octDecode(vec2 oct) {"),u.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),u.push("    if (v.z < 0.0) {"),u.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),u.push("    }"),u.push("    return normalize(v);"),u.push("}"))}u.push("out vec4 vColor;"),"points"===s.primitiveName&&u.push("uniform float pointSize;");"spherical"!==n&&"cylindrical"!==n||(u.push("void billboard(inout mat4 mat) {"),u.push("   mat[0][0] = 1.0;"),u.push("   mat[0][1] = 0.0;"),u.push("   mat[0][2] = 0.0;"),"spherical"===n&&(u.push("   mat[1][0] = 0.0;"),u.push("   mat[1][1] = 1.0;"),u.push("   mat[1][2] = 0.0;")),u.push("   mat[2][0] = 0.0;"),u.push("   mat[2][1] = 0.0;"),u.push("   mat[2][2] =1.0;"),u.push("}"));u.push("void main(void) {"),u.push("vec4 localPosition = vec4(position, 1.0); "),u.push("vec4 worldPosition;"),l&&u.push("localPosition = positionsDecodeMatrix * localPosition;");s.normalsBuf&&(l?u.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):u.push("vec4 localNormal = vec4(normal, 0.0); "),u.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),u.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));u.push("mat4 viewMatrix2 = viewMatrix;"),u.push("mat4 modelMatrix2 = modelMatrix;"),o&&u.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(u.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),u.push("billboard(modelMatrix2);"),u.push("billboard(viewMatrix2);"),u.push("billboard(modelViewMatrix);"),s.normalsBuf&&(u.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),u.push("billboard(modelNormalMatrix2);"),u.push("billboard(viewNormalMatrix2);"),u.push("billboard(modelViewNormalMatrix);")),u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s.normalsBuf&&u.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(u.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),u.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),u.push("float lambertian = 1.0;"),s.normalsBuf)for(var d=0,p=r.lights.length;d<p;d++){var f=r.lights[d];if("ambient"!==f.type){if("dir"===f.type)"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);");else if("point"===f.type)"view"===f.space?u.push("viewLightDir = -normalize(lightPos"+d+" - viewPosition.xyz);"):u.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+d+", 0.0)).xyz);");else{if("spot"!==f.type)continue;"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);")}u.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),u.push("reflectedColor += lambertian * (lightColor"+d+".rgb * lightColor"+d+".a);")}}u.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&u.push("vWorldPosition = worldPosition;");"points"===s.primitiveName&&u.push("gl_PointSize = pointSize;");u.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(u.push("vFragDepth = 1.0 + clipPos.w;"),u.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return u.push("gl_Position = clipPos;"),u.push("}"),u}(e),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState;e._material._state;var r=e._geometry._state,s=i.getNumAllocatedSectionPlanes()>0,n=t.gammaOutput,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));if(s){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(var a=0,l=i.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";")}o.push("in vec4 vColor;"),n&&(o.push("uniform float gammaFactor;"),o.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(var u=0,c=i.getNumAllocatedSectionPlanes();u<c;u++)o.push("if (sectionPlaneActive"+u+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+u+".xyz, vWorldPosition.xyz - sectionPlanePos"+u+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===r.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");n?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)):(this.vertex=function(e){var t=e.scene;e._material;var i,r=e._state,s=t._sectionPlanesState,n=e._geometry._state,o=t._lightsState,a=r.billboard,l=r.background,u=r.stationary,c=function(e){if(!e._geometry._state.uvBuf)return!1;var t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),A=Is(e),h=s.getNumAllocatedSectionPlanes()>0,d=ks(e),p=!!n.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),h&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(A){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(var v=0,g=o.lights.length;v<g;v++)"ambient"!==(i=o.lights[v]).type&&("dir"===i.type&&f.push("uniform vec3 lightDir"+v+";"),"point"===i.type&&f.push("uniform vec3 lightPos"+v+";"),"spot"===i.type&&(f.push("uniform vec3 lightPos"+v+";"),f.push("uniform vec3 lightDir"+v+";")),"dir"===i.type&&"view"===i.space||f.push("out vec4 vViewLightReverseDirAndDist"+v+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}c&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));n.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===n.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(var m=0,_=o.lights.length;m<_;m++)o.lights[m].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+m+";"),f.push("uniform mat4 shadowProjMatrix"+m+";"),f.push("out vec4 vShadowPosFromLight"+m+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");A&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),u?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),A&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(A){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(var y=0,b=o.lights.length;y<b;y++)"ambient"!==(i=o.lights[y]).type&&("dir"===i.type&&"world"===i.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+y+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+y+" = vec4(-tmpVec3, 0.0);")),"point"===i.type&&("world"===i.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+y+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+y+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+y+" = vec4(tmpVec3, lightDist);")))}c&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));n.colors&&f.push("vColor = color;");"points"===n.primitiveName&&f.push("gl_PointSize = pointSize;");h&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(var x=0,w=o.lights.length;x<w;x++)o.lights[x].castsShadow&&f.push("vShadowPosFromLight"+x+" = texUnitConverter * shadowProjMatrix"+x+" * (shadowViewMatrix"+x+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=e._material,r=e._geometry._state,s=e.scene._sectionPlanesState,n=e.scene._lightsState,o=e._material._state,a=s.getNumAllocatedSectionPlanes()>0,l=Is(e),u=r.uvBuf,c="PhongMaterial"===o.type,A="MetallicMaterial"===o.type,h="SpecularMaterial"===o.type,d=ks(e);t.gammaInput;var p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("uniform bool sectionPlaneActive"+v+";"),f.push("uniform vec3 sectionPlanePos"+v+";"),f.push("uniform vec3 sectionPlaneDir"+v+";")}l&&(n.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),n.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),c&&((n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Fs[n.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(A||h)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),n.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Fs[n.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),r.colors&&f.push("in vec4 vColor;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(n.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));o.ambient&&f.push("uniform vec3 materialAmbient;");o.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==o.alpha&&null!==o.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");o.emissive&&f.push("uniform vec3 materialEmissive;");o.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==o.glossiness&&null!==o.glossiness&&f.push("uniform float materialGlossiness;");void 0!==o.shininess&&null!==o.shininess&&f.push("uniform float materialShininess;");o.specular&&f.push("uniform vec3 materialSpecular;");void 0!==o.metallic&&null!==o.metallic&&f.push("uniform float materialMetallic;");void 0!==o.roughness&&null!==o.roughness&&f.push("uniform float materialRoughness;");void 0!==o.specularF0&&null!==o.specularF0&&f.push("uniform float materialSpecularF0;");u&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));u&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));u&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));u&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&u&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&u&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&u&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));u&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));u&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&u&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&u&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&u&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(var g=0,m=n.lights.length;g<m;g++){var _=n.lights[g];"ambient"!==_.type&&(f.push("uniform vec4 lightColor"+g+";"),"point"===_.type&&f.push("uniform vec3 lightAttenuation"+g+";"),"dir"===_.type&&"view"===_.space&&f.push("uniform vec3 lightDir"+g+";"),"point"===_.type&&"view"===_.space?f.push("uniform vec3 lightPos"+g+";"):f.push("in vec4 vViewLightReverseDirAndDist"+g+";"))}if(d)for(var y=0,b=n.lights.length;y<b;y++)n.lights[y].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+y+";"),f.push("uniform sampler2D shadowMap"+y+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("if (sectionPlaneActive"+v+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+v+".xyz, vWorldPosition.xyz - sectionPlanePos"+v+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===r.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),o.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");o.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):o.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");r.colors&&f.push("diffuseColor *= vColor.rgb;");o.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");o.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==o.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");r.colors&&f.push("alpha *= vColor.a;");void 0!==o.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==o.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==o.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==o.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));u&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Fs[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));u&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Fs[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));u&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Fs[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));u&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Fs[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));u&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));u&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(n.lights.length>0||n.lightMaps.length>0||n.reflectionMaps.length>0)){u&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),u&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),u&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),u&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),u&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),u&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),u&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),c&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),h&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),A&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),n.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),c&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(h||A)&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(var x=0,w=n.lights.length;x<w;x++){var B=n.lights[x];"ambient"!==B.type&&("dir"===B.type&&"view"===B.space?f.push("viewLightDir = -normalize(lightDir"+x+");"):"point"===B.type&&"view"===B.space?f.push("viewLightDir = normalize(lightPos"+x+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+x+".xyz);"),d&&B.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+x+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+x+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+x+".rgb * (lightColor"+x+".a * shadow);")):f.push("light.color =  lightColor"+x+".rgb * (lightColor"+x+".a );"),f.push("light.direction = viewLightDir;"),c&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(h||A)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}c?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Fs={};function ks(e){if(!e.receivesShadow)return!1;var t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(var i=0,r=t.length;i<r;i++)if(t[i].castsShadow)return!0;return!1}function Is(e){var t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Fs[3e3]="linearToLinear",Fs[3001]="sRGBToLinear";var Ds=re.vec3(),Ss=new G({}),Ts=function(e,t){this.id=Ss.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Es(t),this._allocate(t)},Ls={};Ts.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";"),r=Ls[i];if(!r){if((r=new Ts(i,e)).errors)return console.log(r.errors.join("\n")),null;Ls[i]=r,ae.memory.programs++}return r._useCount++,r},Ts.prototype.put=function(){0==--this._useCount&&(Ss.removeItem(this.id),this._program&&this._program.destroy(),delete Ls[this._hash],ae.memory.programs--)},Ts.prototype.webglContextRestored=function(){this._program=null},Ts.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=Lt.MAX_TEXTURE_UNITS,r=t.scene,s=t._material,n=r.canvas.gl,o=this._program,a=t._state,l=t._material._state,u=t._geometry._state,c=r.camera,A=t.origin,h=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,h&&n.depthFunc(n.LEQUAL),this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):c.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,c.viewNormalMatrix),a.clippable){var d=r._sectionPlanesState.getNumAllocatedSectionPlanes(),p=r._sectionPlanesState.sectionPlanes.length;if(d>0)for(var f=r._sectionPlanesState.sectionPlanes,v=t.renderFlags,g=0;g<d;g++){var m=this._uSectionPlanes[g];if(m)if(g<p){var _=v.sectionPlanesActivePerLayer[g];if(n.uniform1i(m.active,_?1:0),_){var y=f[g];if(A){var b=We(y.dist,y.dir,A,Ds);n.uniform3fv(m.pos,b)}else n.uniform3fv(m.pos,y.pos);n.uniform3fv(m.dir,y.dir)}}else n.uniform1i(m.active,0)}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;var x=l.backfaces;e.backfaces!==x&&(x?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=x);var w=l.frontface;switch(e.frontface!==w&&(w?n.frontFace(n.CCW):n.frontFace(n.CW),e.frontface=w),e.lineWidth!==l.lineWidth&&(n.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&n.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&n.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&n.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),s._ambientMap&&s._ambientMap._state.texture&&this._uMaterialAmbientMap&&(o.bindTexture(this._uMaterialAmbientMap,s._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&n.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,s._ambientMap._state.matrix)),s._diffuseMap&&s._diffuseMap._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,s._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,s._diffuseMap._state.matrix)),s._specularMap&&s._specularMap._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,s._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,s._specularMap._state.matrix)),s._emissiveMap&&s._emissiveMap._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,s._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,s._emissiveMap._state.matrix)),s._alphaMap&&s._alphaMap._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,s._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,s._alphaMap._state.matrix)),s._reflectivityMap&&s._reflectivityMap._state.texture&&this._uReflectivityMap&&(o.bindTexture(this._uReflectivityMap,s._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&n.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,s._reflectivityMap._state.matrix)),s._normalMap&&s._normalMap._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,s._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,s._normalMap._state.matrix)),s._occlusionMap&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,s._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,s._occlusionMap._state.matrix)),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&n.uniform1f(this._uDiffuseFresnelEdgeBias,s._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&n.uniform1f(this._uDiffuseFresnelCenterBias,s._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&n.uniform3fv(this._uDiffuseFresnelEdgeColor,s._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&n.uniform3fv(this._uDiffuseFresnelCenterColor,s._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&n.uniform1f(this._uDiffuseFresnelPower,s._diffuseFresnel.power)),s._specularFresnel&&(this._uSpecularFresnelEdgeBias&&n.uniform1f(this._uSpecularFresnelEdgeBias,s._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&n.uniform1f(this._uSpecularFresnelCenterBias,s._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&n.uniform3fv(this._uSpecularFresnelEdgeColor,s._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&n.uniform3fv(this._uSpecularFresnelCenterColor,s._specularFresnel.centerColor),this._uSpecularFresnelPower&&n.uniform1f(this._uSpecularFresnelPower,s._specularFresnel.power)),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&n.uniform1f(this._uAlphaFresnelEdgeBias,s._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&n.uniform1f(this._uAlphaFresnelCenterBias,s._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&n.uniform3fv(this._uAlphaFresnelEdgeColor,s._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&n.uniform3fv(this._uAlphaFresnelCenterColor,s._alphaFresnel.centerColor),this._uAlphaFresnelPower&&n.uniform1f(this._uAlphaFresnelPower,s._alphaFresnel.power)),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&n.uniform1f(this._uReflectivityFresnelEdgeBias,s._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&n.uniform1f(this._uReflectivityFresnelCenterBias,s._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&n.uniform3fv(this._uReflectivityFresnelEdgeColor,s._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&n.uniform3fv(this._uReflectivityFresnelCenterColor,s._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&n.uniform1f(this._uReflectivityFresnelPower,s._reflectivityFresnel.power)),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&n.uniform1f(this._uEmissiveFresnelEdgeBias,s._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&n.uniform1f(this._uEmissiveFresnelCenterBias,s._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&n.uniform3fv(this._uEmissiveFresnelEdgeColor,s._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&n.uniform3fv(this._uEmissiveFresnelCenterColor,s._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&n.uniform1f(this._uEmissiveFresnelPower,s._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&n.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&n.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&n.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&n.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var B=s._baseColorMap;B&&B._state.texture&&this._uBaseColorMap&&(o.bindTexture(this._uBaseColorMap,B._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&n.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,B._state.matrix));var P=s._metallicMap;P&&P._state.texture&&this._uMetallicMap&&(o.bindTexture(this._uMetallicMap,P._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&n.uniformMatrix4fv(this._uMetallicMapMatrix,!1,P._state.matrix));var C=s._roughnessMap;C&&C._state.texture&&this._uRoughnessMap&&(o.bindTexture(this._uRoughnessMap,C._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&n.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,C._state.matrix));var M=s._metallicRoughnessMap;M&&M._state.texture&&this._uMetallicRoughnessMap&&(o.bindTexture(this._uMetallicRoughnessMap,M._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&n.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,M._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&n.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&n.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var E=s._diffuseMap;E&&E._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,E._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,E._state.matrix));var F=s._specularMap;F&&F._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,F._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,F._state.matrix));var k=s._glossinessMap;k&&k._state.texture&&this._uGlossinessMap&&(o.bindTexture(this._uGlossinessMap,k._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&n.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,k._state.matrix));var I,D,S,T,L=s._specularGlossinessMap;L&&L._state.texture&&this._uSpecularGlossinessMap&&(o.bindTexture(this._uSpecularGlossinessMap,L._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&n.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,L._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&D._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix))}this._lastMaterialId=l.id}if(n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),this._uColorize){var R=a.colorize,U=this._lastColorize;U[0]===R[0]&&U[1]===R[1]&&U[2]===R[2]&&U[3]===R[3]||(n.uniform4fv(this._uColorize,R),U[0]=R[0],U[1]=R[1],U[2]=R[2],U[3]=R[3])}n.uniform3fv(this._uOffset,a.offset),u.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,u.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,u.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(u.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(u.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(u.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(u.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(u.flagsBuf),e.bindArray++),u.indicesBuf&&(u.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=u.id),u.indicesBuf?(n.drawElements(u.primitive,u.indicesBuf.numItems,u.indicesBuf.itemType,0),e.drawElements++):u.positions&&(n.drawArrays(n.TRIANGLES,0,u.positions.numItems),e.drawArrays++),h&&n.depthFunc(n.LESS)},Ts.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=e._material,s=t._lightsState,n=t._sectionPlanesState,o=e._material._state;if(this._program=new zt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));for(var l,u=s.lights,c=0,A=u.length;c<A;c++){switch((l=u[c]).type){case"ambient":this._uLightAmbient[c]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=null,this._uLightDir[c]=a.getLocation("lightDir"+c);break;case"point":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=a.getLocation("lightPos"+c),this._uLightDir[c]=null,this._uLightAttenuation[c]=a.getLocation("lightAttenuation"+c);break;case"spot":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=a.getLocation("lightPos"+c),this._uLightDir[c]=a.getLocation("lightDir"+c),this._uLightAttenuation[c]=a.getLocation("lightAttenuation"+c)}l.castsShadow&&(this._uShadowViewMatrix[c]=a.getLocation("shadowViewMatrix"+c),this._uShadowProjMatrix[c]=a.getLocation("shadowProjMatrix"+c))}s.lightMaps.length>0&&(this._uLightMap="lightMap"),s.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(c=0,A=n.sectionPlanes.length;c<A;c++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+c),pos:a.getLocation("sectionPlanePos"+c),dir:a.getLocation("sectionPlaneDir"+c)});switch(this._uPointSize=a.getLocation("pointSize"),o.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),r._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),r._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),r._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),r._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),r._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),r._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0}},Ts.prototype._bindProgram=function(e){var t,i=Lt.MAX_TEXTURE_UNITS,r=this._scene,s=r.canvas.gl,n=r._lightsState,o=r.camera.project,a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),r.logarithmicDepthBufferEnabled){var l=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,l)}for(var u=0,c=n.lights.length;u<c;u++)if(t=n.lights[u],this._uLightAmbient[u])s.uniform4f(this._uLightAmbient[u],t.color[0],t.color[1],t.color[2],t.intensity);else if(this._uLightColor[u]&&s.uniform4f(this._uLightColor[u],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[u]&&(s.uniform3fv(this._uLightPos[u],t.pos),this._uLightAttenuation[u]&&s.uniform1f(this._uLightAttenuation[u],t.attenuation)),this._uLightDir[u]&&s.uniform3fv(this._uLightDir[u],t.dir),t.castsShadow){this._uShadowViewMatrix[u]&&s.uniformMatrix4fv(this._uShadowViewMatrix[u],!1,t.getShadowViewMatrix()),this._uShadowProjMatrix[u]&&s.uniformMatrix4fv(this._uShadowProjMatrix[u],!1,t.getShadowProjMatrix());var A=t.getShadowRenderBuf();A&&(a.bindTexture("shadowMap"+u,A.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++)}n.lightMaps.length>0&&n.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,n.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),n.reflectionMaps.length>0&&n.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,n.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,r.gammaFactor),this._baseTextureUnit=e.textureUnit};var Rs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._lightsState,r=function(e){var t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),s=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,n=!!e._geometry._state.compressGeometry,o=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),n&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));s&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),r){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(l.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&l.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&l.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&l.push("uniform vec3 lightPos"+u+";"))}n&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===o||"cylindrical"===o)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===o&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),n&&l.push("localPosition = positionsDecodeMatrix * localPosition;");r&&(n?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),r&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),r)for(var h=0,d=i.lights.length;h<d;h++){var p=i.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?l.push("viewLightDir = normalize(lightDir"+h+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+h+", 0.0)).xyz);");else{if("point"!==p.type)continue;"view"===p.space?l.push("viewLightDir = normalize(lightPos"+h+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+h+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),s&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===e._geometry._state.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var Us=new G({}),Os=re.vec3(),Ns=function(e,t){this.id=Us.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Rs(t),this._allocate(t)},Qs={};Ns.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=Qs[t];return i||(i=new Ns(t,e),Qs[t]=i,ae.memory.programs++),i._useCount++,i},Ns.prototype.put=function(){0==--this._useCount&&(Us.removeItem(this.id),this._program&&this._program.destroy(),delete Qs[this._hash],ae.memory.programs--)},Ns.prototype.webglContextRestored=function(){this._program=null},Ns.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r=this._scene,s=r.camera,n=r.canvas.gl,o=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,u=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,u?e.getRTCViewMatrix(a.originHash,u):s.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.viewNormalMatrix),a.clippable){var c=r._sectionPlanesState.getNumAllocatedSectionPlanes(),A=r._sectionPlanesState.sectionPlanes.length;if(c>0)for(var h=r._sectionPlanesState.sectionPlanes,d=t.renderFlags,p=0;p<c;p++){var f=this._uSectionPlanes[p];if(f)if(p<A){var v=d.sectionPlanesActivePerLayer[p];if(n.uniform1i(f.active,v?1:0),v){var g=h[p];if(u){var m=We(g.dist,g.dir,u,Os);n.uniform3fv(f.pos,m)}else n.uniform3fv(f.pos,g.pos);n.uniform3fv(f.dir,g.dir)}}else n.uniform1i(f.active,0)}}if(o.id!==this._lastMaterialId){var _=o.fillColor,y=o.backfaces;e.backfaces!==y&&(y?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=y),n.uniform4f(this._uFillColor,_[0],_[1],_[2],o.fillAlpha),this._lastMaterialId=o.id}n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),n.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(n.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(n.drawArrays(n.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Ns.prototype._allocate=function(e){var t=e.scene,i=t._lightsState,r=t._sectionPlanesState,s=t.canvas.gl;if(this._program=new zt(s,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uModelMatrix=n.getLocation("modelMatrix"),this._uModelNormalMatrix=n.getLocation("modelNormalMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uViewNormalMatrix=n.getLocation("viewNormalMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var o=0,a=i.lights.length;o<a;o++){switch(i.lights[o].type){case"ambient":this._uLightAmbient[o]=n.getLocation("lightAmbient");break;case"dir":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=null,this._uLightDir[o]=n.getLocation("lightDir"+o);break;case"point":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=n.getLocation("lightPos"+o),this._uLightDir[o]=null,this._uLightAttenuation[o]=n.getLocation("lightAttenuation"+o)}}this._uSectionPlanes=[];for(var l=0,u=r.getNumAllocatedSectionPlanes();l<u;l++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+l),pos:n.getLocation("sectionPlanePos"+l),dir:n.getLocation("sectionPlaneDir"+l)});this._uFillColor=n.getLocation("fillColor"),this._aPosition=n.getAttribute("position"),this._aNormal=n.getAttribute("normal"),this._uClippable=n.getLocation("clippable"),this._uGammaFactor=n.getLocation("gammaFactor"),this._uOffset=n.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Ns.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t._lightsState,s=t.camera,n=s.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),t.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];this._uLightAmbient[a]?i.uniform4f(this._uLightAmbient[a],u.color[0],u.color[1],u.color[2],u.intensity):(this._uLightColor[a]&&i.uniform4f(this._uLightColor[a],u.color[0],u.color[1],u.color[2],u.intensity),this._uLightPos[a]&&(i.uniform3fv(this._uLightPos[a],u.pos),this._uLightAttenuation[a]&&i.uniform1f(this._uLightAttenuation[a],u.attenuation)),this._uLightDir[a]&&i.uniform3fv(this._uLightDir[a],u.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};var Vs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Edges drawing vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec4 edgeColor;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));i&&o.push("out vec4 vWorldPosition;");o.push("out vec4 vColor;"),("spherical"===s||"cylindrical"===s)&&(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));o.push("vColor = edgeColor;"),i&&o.push("vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Edges drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var Hs=new G({}),js=re.vec3(),Gs=function(e,t){this.id=Hs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Vs(t),this._allocate(t)},zs={};Gs.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=zs[t];return i||(i=new Gs(t,e),zs[t]=i,ae.memory.programs++),i._useCount++,i},Gs.prototype.put=function(){0==--this._useCount&&(Hs.removeItem(this.id),this._program&&this._program.destroy(),delete zs[this._hash],ae.memory.programs--)},Gs.prototype.webglContextRestored=function(){this._program=null},Gs.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r,s,n=this._scene,o=n.camera,a=n.canvas.gl,l=t._state,u=t._geometry,c=u._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),a.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(l.originHash,A):o.viewMatrix),l.clippable){var h=n._sectionPlanesState.getNumAllocatedSectionPlanes(),d=n._sectionPlanesState.sectionPlanes.length;if(h>0)for(var p=n._sectionPlanesState.sectionPlanes,f=t.renderFlags,v=0;v<h;v++){var g=this._uSectionPlanes[v];if(g)if(v<d){var m=f.sectionPlanesActivePerLayer[v];if(a.uniform1i(g.active,m?1:0),m){var _=p[v];if(A){var y=We(_.dist,_.dir,A,js);a.uniform3fv(g.pos,y)}else a.uniform3fv(g.pos,_.pos);a.uniform3fv(g.dir,_.dir)}}else a.uniform1i(g.active,0)}}switch(i){case 0:r=t._xrayMaterial._state;break;case 1:r=t._highlightMaterial._state;break;case 2:r=t._selectedMaterial._state;break;default:r=t._edgeMaterial._state}if(r.id!==this._lastMaterialId){var b=r.backfaces;if(e.backfaces!==b&&(b?a.disable(a.CULL_FACE):a.enable(a.CULL_FACE),e.backfaces=b),e.lineWidth!==r.edgeWidth&&(a.lineWidth(r.edgeWidth),e.lineWidth=r.edgeWidth),this._uEdgeColor){var x=r.edgeColor,w=r.edgeAlpha;a.uniform4f(this._uEdgeColor,x[0],x[1],x[2],w)}this._lastMaterialId=r.id}a.uniformMatrix4fv(this._uModelMatrix,a.FALSE,t.worldMatrix),this._uClippable&&a.uniform1i(this._uClippable,l.clippable),a.uniform3fv(this._uOffset,l.offset),c.primitive===a.TRIANGLES?s=u._getEdgeIndices():c.primitive===a.LINES&&(s=c.indicesBuf),s&&(c.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&a.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,c.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(c.positionsBuf,c.compressGeometry?a.UNSIGNED_SHORT:a.FLOAT),e.bindArray++),s.bind(),e.bindArray++,this._lastGeometryId=c.id),a.drawElements(a.LINES,s.numItems,s.itemType,0),e.drawElements++)},Gs.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program=new zt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(var n=0,o=r.getNumAllocatedSectionPlanes();n<o;n++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+n),pos:s.getLocation("sectionPlanePos"+n),dir:s.getLocation("sectionPlaneDir"+n)});this._uEdgeColor=s.getLocation("edgeColor"),this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uGammaFactor=s.getLocation("gammaFactor"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Gs.prototype._bindProgram=function(e){var t=this._program,i=this._scene,r=i.canvas.gl,s=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),i.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,n)}this._uGammaFactor&&r.uniform1f(this._uGammaFactor,i.gammaFactor)};var Ws=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh picking vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("out vec4 vViewPosition;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("uniform vec2 pickClipPos;"),o.push("vec4 remapClipPos(vec4 clipPos) {"),o.push("    clipPos.xy /= clipPos.w;"),o.push("    clipPos.xy -= pickClipPos;"),o.push("    clipPos.xy *= clipPos.w;"),o.push("    return clipPos;"),o.push("}"),o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==s&&"cylindrical"!==s||(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"));o.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),o.push("   worldPosition.xyz = worldPosition.xyz + offset;"),o.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = remapClipPos(clipPos);"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(s.push("uniform vec4 pickColor;"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = pickColor; "),s.push("}"),s}(t)}));var Ks=re.vec3(),Xs=function(e,t){this._hash=e,this._shaderSource=new Ws(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Js={};Xs.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),i=Js[t];if(!i){if((i=new Xs(t,e)).errors)return console.log(i.errors.join("\n")),null;Js[t]=i,ae.memory.programs++}return i._useCount++,i},Xs.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Js[this._hash],ae.memory.programs--)},Xs.prototype.webglContextRestored=function(){this._program=null},Xs.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(s.originHash,a):e.pickViewMatrix),s.clippable){var l=i._sectionPlanesState.getNumAllocatedSectionPlanes(),u=i._sectionPlanesState.sectionPlanes.length;if(l>0)for(var c=i._sectionPlanesState.sectionPlanes,A=t.renderFlags,h=0;h<l;h++){var d=this._uSectionPlanes[h];if(d)if(h<u){var p=A.sectionPlanesActivePerLayer[h];if(r.uniform1i(d.active,p?1:0),p){var f=c[h];if(a){var v=We(f.dist,f.dir,a,Ks);r.uniform3fv(d.pos,v)}else r.uniform3fv(d.pos,f.pos);r.uniform3fv(d.dir,f.dir)}}else r.uniform1i(d.active,0)}}if(n.id!==this._lastMaterialId){var g=n.backfaces;e.backfaces!==g&&(g?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=g);var m=n.frontface;e.frontface!==m&&(m?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=m),this._lastMaterialId=n.id}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id);var _=t._state.pickID,y=_>>24&255,b=_>>16&255,x=_>>8&255,w=255&_;r.uniform4f(this._uPickColor,w/255,x/255,b/255,y/255),r.uniform2fv(this._uPickClipPos,e.pickClipPos),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)},Xs.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new zt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uPickColor=r.getLocation("pickColor"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null}},Xs.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastGeometryId=null};var Ys=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=[];s.push("#version 300 es"),s.push("// Surface picking vertex shader"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform vec3 offset;"),i&&(s.push("uniform bool clippable;"),s.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;"));s.push("uniform vec2 pickClipPos;"),s.push("vec4 remapClipPos(vec4 clipPos) {"),s.push("    clipPos.xy /= clipPos.w;"),s.push("    clipPos.xy -= pickClipPos;"),s.push("    clipPos.xy *= clipPos.w;"),s.push("    return clipPos;"),s.push("}"),s.push("out vec4 vColor;"),r&&s.push("uniform mat4 positionsDecodeMatrix;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),r&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("   vec4 worldPosition = modelMatrix * localPosition; "),s.push("   worldPosition.xyz = worldPosition.xyz + offset;"),s.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&s.push("   vWorldPosition = worldPosition;");s.push("   vColor = color;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return s.push("gl_Position = remapClipPos(clipPos);"),s.push("}"),s}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Surface picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),s.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)s.push("if (sectionPlaneActive"+o+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = vColor;"),s.push("}"),s}(t)}));var Zs=re.vec3(),qs=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ys(t),this._allocate(t)},$s={};qs.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=$s[t];if(!i){if((i=new qs(t,e)).errors)return console.log(i.errors.join("\n")),null;$s[t]=i,ae.memory.programs++}return i._useCount++,i},qs.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete $s[this._hash],ae.memory.programs--)},qs.prototype.webglContextRestored=function(){this._program=null},qs.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry,a=t._geometry._state,l=t.origin,u=n.backfaces,c=n.frontface,A=i.camera.project,h=o._getPickTrianglePositions(),d=o._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){var p=2/(Math.log(A.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,p)}if(r.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(s.originHash,l):e.pickViewMatrix),s.clippable){var f=i._sectionPlanesState.getNumAllocatedSectionPlanes(),v=i._sectionPlanesState.sectionPlanes.length;if(f>0)for(var g=i._sectionPlanesState.sectionPlanes,m=t.renderFlags,_=0;_<f;_++){var y=this._uSectionPlanes[_];if(y)if(_<v){var b=m.sectionPlanesActivePerLayer[_];if(r.uniform1i(y.active,b?1:0),b){var x=g[_];if(l){var w=We(x.dist,x.dir,l,Zs);r.uniform3fv(y.pos,w)}else r.uniform3fv(y.pos,x.pos);r.uniform3fv(y.dir,x.dir)}}else r.uniform1i(y.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&r.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==u&&(u?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=u),e.frontface!==c&&(c?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=c),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(h,a.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT)):this._aPosition.bindArrayBuffer(h),r.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),r.enableVertexAttribArray(this._aColor.location),r.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),r.drawArrays(a.primitive,0,h.numItems/3)},qs.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new zt(i,this._shaderSource),this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._aColor=r.getAttribute("color"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}};var en=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh occlusion vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("}"),s}(t)}));var tn=re.vec3(),rn=function(e,t){this._hash=e,this._shaderSource=new en(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},sn={};rn.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";"),i=sn[t];if(!i){if((i=new rn(t,e)).errors)return console.log(i.errors.join("\n")),null;sn[t]=i,ae.memory.programs++}return i._useCount++,i},rn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete sn[this._hash],ae.memory.programs--)},rn.prototype.webglContextRestored=function(){this._program=null},rn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._material._state,n=t._state,o=t._geometry._state,a=t.origin;if(!(s.alpha<1)){if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){var l=s.backfaces;e.backfaces!==l&&(l?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=l);var u=s.frontface;e.frontface!==u&&(u?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=u),this._lastMaterialId=s.id}var c=i.camera;if(r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(n.originHash,a):c.viewMatrix),n.clippable){var A=i._sectionPlanesState.getNumAllocatedSectionPlanes(),h=i._sectionPlanesState.sectionPlanes.length;if(A>0)for(var d=i._sectionPlanesState.sectionPlanes,p=t.renderFlags,f=0;f<A;f++){var v=this._uSectionPlanes[f];if(v)if(f<h){var g=p.sectionPlanesActivePerLayer[f];if(r.uniform1i(v.active,g?1:0),g){var m=d[f];if(a){var _=We(m.dist,m.dir,a,tn);r.uniform3fv(v.pos,_)}else r.uniform3fv(v.pos,m.pos);r.uniform3fv(v.dir,m.dir)}}else r.uniform1i(v.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,c._project._state.matrix),r.uniformMatrix4fv(this._uModelMatrix,r.FALSE,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)}},rn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new zt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},rn.prototype._bindProgram=function(e){var t=this._scene,i=t.camera.project,r=t.canvas.gl;if(this._program.bind(),e.useProgram++,r.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(i.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};var nn=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,r=[];r.push("// Mesh shadow vertex shader"),r.push("in vec3 position;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 shadowViewMatrix;"),r.push("uniform mat4 shadowProjMatrix;"),r.push("uniform vec3 offset;"),i&&r.push("uniform mat4 positionsDecodeMatrix;");t&&r.push("out vec4 vWorldPosition;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),r.push("vec4 worldPosition;"),i&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("worldPosition = modelMatrix * localPosition;"),r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&r.push("vWorldPosition = worldPosition;");return r.push("   gl_Position = shadowProjMatrix * viewPosition;"),r.push("}"),r}(t),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("// Mesh shadow fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("vec4 encodeFloat( const in float depth ) {"),s.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),s.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),s.push("  vec4 comp = fract(depth * bitShift);"),s.push("  comp -= comp.xxyz * bitMask;"),s.push("  return comp;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("outColor = encodeFloat(gl_FragCoord.z);"),s.push("}"),s}(t)}));var on=function(e,t){this._hash=e,this._shaderSource=new nn(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},an={};on.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),r=an[i];if(!r){if((r=new on(i,e)).errors)return console.log(r.errors.join("\n")),null;an[i]=r,ae.memory.programs++}return r._useCount++,r},on.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete an[this._hash],ae.memory.programs--)},on.prototype.webglContextRestored=function(){this._program=null},on.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene.canvas.gl,r=t._material._state,s=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){var n=r.backfaces;e.backfaces!==n&&(n?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=n);var o=r.frontface;e.frontface!==o&&(o?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=o),e.lineWidth!==r.lineWidth&&(i.lineWidth(r.lineWidth),e.lineWidth=r.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,r.pointSize),this._lastMaterialId=r.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),s.combineGeometry){var a=t.vertexBufs;a.id!==this._lastVertexBufsId&&(a.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(a.positionsBuf,a.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=a.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),s.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,s.positionsDecodeMatrix),s.combineGeometry?s.indicesBufCombined&&(s.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),s.indicesBuf&&(s.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=s.id),s.combineGeometry?s.indicesBufCombined&&(i.drawElements(s.primitive,s.indicesBufCombined.numItems,s.indicesBufCombined.itemType,0),e.drawElements++):s.indicesBuf?(i.drawElements(s.primitive,s.indicesBuf.numItems,s.indicesBuf.itemType,0),e.drawElements++):s.positions&&(i.drawArrays(i.TRIANGLES,0,s.positions.numItems),e.drawArrays++)},on.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new zt(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},on.prototype._bindProgram=function(e){this._program||this._allocate(mesh);var t=this._scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.getNumAllocatedSectionPlanes()>0)for(var s,n,o,a=0,l=this._uSectionPlanes.length;a<l;a++)n=(s=this._uSectionPlanes[a]).active,o=r.sectionPlanes[a],n&&i.uniform1i(n,o.active),s.pos&&i.uniform3fv(s.pos,o.pos),s.dir&&i.uniform3fv(s.dir,o.dir)};var ln=function(){function e(){B(this,e),this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}return C(e,[{key:"reset",value:function(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}]),e}(),un=re.OBB3(),cn=re.vec4(),An=re.vec4(),hn=re.vec4(),dn=re.vec3([1,0,0]),pn=re.vec3([0,1,0]),fn=re.vec3([0,0,1]),vn=re.vec3(3),gn=re.vec3(3),mn=re.identityMat4(),_n=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r.originalSystemId=s.originalSystemId||r.id,r.renderFlags=new ln,r._state=new hi({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==s.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!s.stationary,background:!!s.background,billboard:r._checkBillboard(s.billboard),layer:null,colorize:null,pickID:r.scene._renderer.getPickID(b(r)),drawHash:"",pickHash:"",offset:re.vec3(),origin:null,originHash:null}),r._drawRenderer=null,r._shadowRenderer=null,r._emphasisFillRenderer=null,r._emphasisEdgesRenderer=null,r._pickMeshRenderer=null,r._pickTriangleRenderer=null,r._occlusionRenderer=null,r._geometry=s.geometry?r._checkComponent2(["ReadableGeometry","VBOGeometry"],s.geometry):r.scene.geometry,r._material=s.material?r._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],s.material):r.scene.material,r._xrayMaterial=s.xrayMaterial?r._checkComponent("EmphasisMaterial",s.xrayMaterial):r.scene.xrayMaterial,r._highlightMaterial=s.highlightMaterial?r._checkComponent("EmphasisMaterial",s.highlightMaterial):r.scene.highlightMaterial,r._selectedMaterial=s.selectedMaterial?r._checkComponent("EmphasisMaterial",s.selectedMaterial):r.scene.selectedMaterial,r._edgeMaterial=s.edgeMaterial?r._checkComponent("EdgeMaterial",s.edgeMaterial):r.scene.edgeMaterial,r._parentNode=null,r._aabb=null,r._aabbDirty=!0,r._numTriangles=r._geometry?r._geometry.numTriangles:0,r.scene._aabbDirty=!0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._worldMatrix=re.identityMat4(),r._worldNormalMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,r._worldNormalMatrixDirty=!0;var n=s.origin||s.rtcCenter;if(n&&(r._state.origin=re.vec3(n),r._state.originHash=n.join()),s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.layer=s.layer,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.parentId){var o=r.scene.components[s.parentId];o?o.isNode?o.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'"),r._parentNode=o}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)),r._parentNode=s.parent);return r.compile(),r}return C(i,[{key:"type",get:function(){return"Mesh"}},{key:"isMesh",get:function(){return!0}},{key:"parent",get:function(){return this._parentNode}},{key:"geometry",get:function(){return this._geometry}},{key:"material",get:function(){return this._material}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix},set:function(e){this.__localMatrix||(this.__localMatrix=re.identityMat4()),this.__localMatrix.set(e||mn),re.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._state.origin},set:function(e){e?(this._state.origin||(this._state.origin=re.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._state.visible},set:function(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}},{key:"xrayed",get:function(){return this._state.xrayed},set:function(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}},{key:"highlighted",get:function(){return this._state.highlighted},set:function(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}},{key:"selected",get:function(){return this._state.selected},set:function(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}},{key:"culled",get:function(){return this._state.culled},set:function(e){this._state.culled=!!e,this.glRedraw()}},{key:"clippable",get:function(){return this._state.clippable},set:function(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}},{key:"collidable",get:function(){return this._state.collidable},set:function(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"pickable",get:function(){return this._state.pickable},set:function(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._state.receivesShadow},set:function(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}},{key:"saoEnabled",get:function(){return!1}},{key:"colorize",get:function(){return this._state.colorize},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);var i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}},{key:"opacity",get:function(){return this._state.colorize[3]},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1);var i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}},{key:"transparent",get:function(){return 2===this._material.alphaMode||this._state.colorize[3]<1}},{key:"layer",get:function(){return this._state.layer},set:function(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}},{key:"stationary",get:function(){return this._state.stationary}},{key:"billboard",get:function(){return this._state.billboard}},{key:"offset",get:function(){return this._state.offset},set:function(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!0}},{key:"xrayMaterial",get:function(){return this._xrayMaterial}},{key:"highlightMaterial",get:function(){return this._highlightMaterial}},{key:"selectedMaterial",get:function(){return this._selectedMaterial}},{key:"edgeMaterial",get:function(){return this._edgeMaterial}},{key:"_checkBillboard",value:function(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}},{key:"compile",value:function(){var e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Ts.get(this),this._emphasisFillRenderer=Ns.get(this),this._emphasisEdgesRenderer=Gs.get(this));var t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Xs.get(this)),this._state.occluder){var i=this._makeOcclusionHash();this._state.occlusionHash!==i&&(this._state.occlusionHash=i,this._putOcclusionRenderer(),this._occlusionRenderer=rn.get(this))}}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_buildWorldNormalMatrix",value:function(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=re.mat4()),re.transposeMat4(this._worldMatrix,this._worldNormalMatrix),re.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}},{key:"_setAABBDirty",value:function(){if(this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}},{key:"_webglContextRestored",value:function(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}},{key:"_makeDrawHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}},{key:"_makePickHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_makeOcclusionHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_buildAABB",value:function(e,t){re.transformOBB3(e,this._geometry.obb,un),re.OBB3ToAABB3(un,t);var i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){var r=this._state.origin;t[0]+=r[0],t[1]+=r[1],t[2]+=r[2],t[3]+=r[0],t[4]+=r[1],t[5]+=r[2]}}},{key:"rotate",value:function(e,t){return cn[0]=e[0],cn[1]=e[1],cn[2]=e[2],cn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(cn,An),re.mulQuaternions(this.quaternion,An,hn),this.quaternion=hn,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return cn[0]=e[0],cn[1]=e[1],cn[2]=e[2],cn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(cn,An),re.mulQuaternions(An,this.quaternion,An),this}},{key:"rotateX",value:function(e){return this.rotate(dn,e)}},{key:"rotateY",value:function(e){return this.rotate(pn,e)}},{key:"rotateZ",value:function(e){return this.rotate(fn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,vn),re.mulVec3Scalar(vn,t,gn),re.addVec3(this.position,gn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(dn,e)}},{key:"translateY",value:function(e){return this.translate(pn,e)}},{key:"translateZ",value:function(e){return this.translate(fn,e)}},{key:"_putDrawRenderers",value:function(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}},{key:"_putPickRenderers",value:function(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}},{key:"_putOcclusionRenderer",value:function(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}},{key:"stateSortCompare",value:function(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}},{key:"_updateRenderFlags",value:function(){var e=this.renderFlags,t=this._state;if(t.xrayed){var i=this._xrayMaterial._state;i.fill&&(i.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges)this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0;if(t.selected){var r=this._selectedMaterial._state;r.fill&&(r.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){var s=this._highlightMaterial._state;s.fill&&(s.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),s.edges&&(s.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"_getActiveSectionPlanes",value:function(){if(this._state.clippable){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i],s=this.renderFlags;if(r.active)if(this._state.origin){var n=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===n)return!1;var o=0===n;s.sectionPlanesActivePerLayer[i]=o}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}},{key:"drawColorOpaque",value:function(e){(this._drawRenderer||(this._drawRenderer=Ts.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawColorTransparent",value:function(e){(this._drawRenderer||(this._drawRenderer=Ts.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawSilhouetteXRayed",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ns.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}},{key:"drawSilhouetteHighlighted",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ns.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}},{key:"drawSilhouetteSelected",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Ns.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}},{key:"drawEdgesColorOpaque",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesColorTransparent",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesXRayed",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}},{key:"drawEdgesHighlighted",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}},{key:"drawEdgesSelected",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Gs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}},{key:"drawOcclusion",value:function(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=rn.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}},{key:"drawShadow",value:function(e){(this._shadowRenderer||(this._shadowRenderer=on.get(this)))&&this._shadowRenderer.drawMesh(e,this)}},{key:"drawPickMesh",value:function(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Xs.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}},{key:"canPickTriangle",value:function(){return this._geometry.isReadableGeometry}},{key:"drawPickTriangles",value:function(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=qs.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}},{key:"pickTriangleSurface",value:function(e,t,i,r){yn(this,e,t,i,r)}},{key:"drawPickVertices",value:function(e){}},{key:"delegatePickedEntity",value:function(){return this}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}]),i}(),yn=function(){var e=re.vec3(),t=re.vec3(),i=re.vec3(),r=re.vec3(),s=re.vec3(),n=re.vec3(),o=re.vec4(),a=re.vec3(),l=re.vec3(),u=re.vec3(),c=re.vec3(),A=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3(),v=re.vec4(),g=re.vec4(),m=re.vec4(),_=re.vec3(),y=re.vec3(),b=re.vec3(),x=re.vec3(),w=re.vec3(),B=re.vec3(),P=re.vec3(),C=re.vec3(),M=re.vec3(),E=re.vec3(),F=re.vec3();return function(k,I,D,S,T){var L=T.primIndex;if(null!=L&&L>-1){var R=k.geometry._state,U=k.scene,O=U.camera,N=U.canvas;if("triangles"===R.primitiveName){T.primitive="triangle";var Q,V,H,j=L,G=R.indices,z=R.positions;if(G){var W=G[j+0],K=G[j+1],X=G[j+2];n[0]=W,n[1]=K,n[2]=X,T.indices=n,Q=3*W,V=3*K,H=3*X}else H=(V=(Q=3*j)+3)+3;if(i[0]=z[Q+0],i[1]=z[Q+1],i[2]=z[Q+2],r[0]=z[V+0],r[1]=z[V+1],r[2]=z[V+2],s[0]=z[H+0],s[1]=z[H+1],s[2]=z[H+2],R.compressGeometry){var J=R.positionsDecodeMatrix;J&&(zi.decompressPosition(i,J,i),zi.decompressPosition(r,J,r),zi.decompressPosition(s,J,s))}T.canvasPos?re.canvasPosToLocalRay(N.canvas,k.origin?He(I,k.origin):I,D,S,k.worldMatrix,T.canvasPos,e,t):T.origin&&T.direction&&re.worldRayToLocalRay(k.worldMatrix,T.origin,T.direction,e,t),re.normalizeVec3(t),re.rayPlaneIntersect(e,t,i,r,s,o),T.localPos=o,T.position=o,v[0]=o[0],v[1]=o[1],v[2]=o[2],v[3]=1,re.transformVec4(k.worldMatrix,v,g),a[0]=g[0],a[1]=g[1],a[2]=g[2],T.canvasPos&&k.origin&&(a[0]+=k.origin[0],a[1]+=k.origin[1],a[2]+=k.origin[2]),T.worldPos=a,re.transformVec4(O.matrix,g,m),l[0]=m[0],l[1]=m[1],l[2]=m[2],T.viewPos=l,re.cartesianToBarycentric(o,i,r,s,u),T.bary=u;var Y=R.normals;if(Y){if(R.compressGeometry){var Z=3*W,q=3*K,$=3*X;zi.decompressNormal(Y.subarray(Z,Z+2),c),zi.decompressNormal(Y.subarray(q,q+2),A),zi.decompressNormal(Y.subarray($,$+2),h)}else c[0]=Y[Q],c[1]=Y[Q+1],c[2]=Y[Q+2],A[0]=Y[V],A[1]=Y[V+1],A[2]=Y[V+2],h[0]=Y[H],h[1]=Y[H+1],h[2]=Y[H+2];var ee=re.addVec3(re.addVec3(re.mulVec3Scalar(c,u[0],_),re.mulVec3Scalar(A,u[1],y),b),re.mulVec3Scalar(h,u[2],x),w);T.worldNormal=re.normalizeVec3(re.transformVec3(k.worldNormalMatrix,ee,B))}var te=R.uv;if(te){if(d[0]=te[2*W],d[1]=te[2*W+1],p[0]=te[2*K],p[1]=te[2*K+1],f[0]=te[2*X],f[1]=te[2*X+1],R.compressGeometry){var ie=R.uvDecodeMatrix;ie&&(zi.decompressUV(d,ie,d),zi.decompressUV(p,ie,p),zi.decompressUV(f,ie,f))}T.uv=re.addVec3(re.addVec3(re.mulVec2Scalar(d,u[0],P),re.mulVec2Scalar(p,u[1],C),M),re.mulVec2Scalar(f,u[2],E),F)}}}}}();function bn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);var i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);var r=e.height||1;r<0&&(console.error("negative height not allowed - will invert"),r*=-1);var s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<3&&(s=3);var n=e.heightSegments||1;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n<1&&(n=1);var 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Bn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.origin||[0,0,0],i=t[0],r=t[1],s=t[2],n=e.size||1,o=[],a=[],l=e.text;he.isNumeric(l)&&(l=""+l);for(var u,c,A,h,d,p,f,v,g,m=(l||"").split("\n"),_=0,y=0,b=.04,x=0;x<m.length;x++){u=0,A=(c=m[x]).length;for(var w=0;w<A;w++)if(h=wn[c.charAt(w)]){d=1,p=-1,f=-1,v=h.points.length;for(var B=0;B<v;B++)-1!==(g=h.points[B])[0]||-1!==g[1]?(o.push(u+g[0]*n*b+i),o.push(y+g[1]*n*b+r),o.push(0+s),-1===p?p=_:(-1===f||(p=f),f=_),_++,d?d=!1:(a.push(p),a.push(f))):d=1;u+=h.width*b*n}y-=35*b*n}return he.apply(e,{primitive:"lines",positions:o,indices:a})}var Pn=function(e){g(i,Ue);var t=_(i);function i(e,r){var s;B(this,i),r=r||{},s=t.call(this,"AxisGizmo",e,r);var n=e.scene.camera;r.canvasId||r.canvasElement||s.error("Config expected: either 'canvasId' or 'canvasElement'");try{s._axisGizmoScene=new dr(e,{canvasId:r.canvasId,canvasElement:r.canvasElement,transparent:!0})}catch(e){return s.error(e),y(s)}var o=s._axisGizmoScene;o.clearLights(),new Ri(o,{color:[.45,.45,.5],intensity:.9}),new Li(o,{dir:[-.5,.5,-.6],color:[.8,.8,.7],intensity:1,space:"view"}),new Li(o,{dir:[.5,-.5,-.6],color:[.8,.8,.8],intensity:1,space:"view"});var a=o.camera;n.on("matrix",(function(){var e=n.eye,t=n.look,i=n.up,r=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(e,t,[])),22);a.look=[0,0,0],a.eye=r,a.up=i}));var l=new Xi(o,bn({radiusTop:.01,radiusBottom:.6,height:1.7,radialSegments:20,heightSegments:1,openEnded:!1})),u=new Xi(o,bn({radiusTop:.2,radiusBottom:.2,height:4.5,radialSegments:20,heightSegments:1,openEnded:!1})),c=new $i(o,{diffuse:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),A=new $i(o,{emissive:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),h=new $i(o,{diffuse:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),d=new $i(o,{emissive:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),p=new $i(o,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),f=new $i(o,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),v=new $i(o,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});return s._meshes=[new _n(o,{geometry:new Xi(o,xn({radius:9,heightSegments:60,widthSegments:60})),material:new $i(o,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==r.visible}),new _n(o,{geometry:new Xi(o,xn({radius:1})),material:v,pickable:!1,collidable:!1,visible:!1!==r.visible}),new _n(o,{geometry:l,material:c,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[5,0,0],rotation:[0,0,-90]}),new _n(o,{geometry:u,material:c,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[2,0,0],rotation:[0,0,90]}),new _n(o,{geometry:new Xi(o,Bn({text:"X",size:1.5})),material:A,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[7,0,0],billboard:"spherical"}),new _n(o,{geometry:l,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,5,0]}),new _n(o,{geometry:u,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,2,0]}),new _n(o,{geometry:new Xi(o,Bn({text:"Y",size:1.5})),material:d,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,7,0],billboard:"spherical"}),new _n(o,{geometry:l,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,5],rotation:[90,0,0]}),new _n(o,{geometry:u,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,2],rotation:[90,0,0]}),new _n(o,{geometry:new Xi(o,Bn({text:"Z",size:1.5})),material:f,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,7],billboard:"spherical"})],s}return C(i,[{key:"setVisible",value:function(e){for(var t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}},{key:"destroy",value:function(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}();re.vec3();var Cn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({active:!0,pos:re.vec3(),dir:re.vec3(),dist:0}),r.active=s.active,r.pos=s.pos,r.dir=s.dir,r.scene._sectionPlaneCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"SectionPlane"}},{key:"active",get:function(){return this._state.active},set:function(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dist",get:function(){return this._state.dist}},{key:"flipDir",value:function(){re.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}},{key:"destroy",value:function(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Mn=re.vec4(4),En=re.vec4(),Fn=re.vec4(),kn=re.vec3([1,0,0]),In=re.vec3([0,1,0]),Dn=re.vec3([0,0,1]),Sn=re.vec3(3),Tn=re.vec3(3),Ln=re.identityMat4(),Rn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e,s))._parentNode=null,r._children=[],r._aabb=null,r._aabbDirty=!0,r.scene._aabbDirty=!0,r._numTriangles=0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._offset=re.vec3(),r._localMatrix=re.identityMat4(),r._worldMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r.origin=s.origin,r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.children)for(var n=s.children,o=0,a=n.length;o<a;o++)r.addChild(n[o],s.inheritStates);if(s.parentId){var l=r.scene.components[s.parentId];l?l.isNode?l.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'")}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)));return r}return C(i,[{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._origin},set:function(e){e?(this._origin||(this._origin=re.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(var t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}},{key:"xrayed",get:function(){return this._xrayed},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}},{key:"selected",get:function(){return this._selected},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}},{key:"edges",get:function(){return this._edges},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}},{key:"pickable",get:function(){return this._pickable},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}},{key:"colorize",get:function(){return this._colorize.slice(0,3)},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(var i=0,r=this._children.length;i<r;i++)this._children[i].colorize=t;if(this._isObject){var s=!!e;this.scene._objectColorizeUpdated(this,s)}}},{key:"opacity",get:function(){return this._colorize[3]},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(var i=0,r=this._children.length;i<r;i++)this._children[i].opacity=e;if(this._isObject){var s=null!=e;this.scene._objectOpacityUpdated(this,s)}}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){e=!!e,this._castsShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){e=!!e,this._receivesShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}},{key:"saoEnabled",get:function(){return!1}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this._children.length;t<i;t++)this._children[t].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}},{key:"isNode",get:function(){return!0}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._children)for(var t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}},{key:"_setAABBDirty",value:function(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{var e;re.collapseAABB3(this._aabb);for(var t=0,i=this._children.length;t<i;t++)(e=this._children[t]).collidable&&re.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}},{key:"addChild",value:function(e,t){if(he.isNumeric(e)||he.isString(e)){var i=e;if(!(e=this.scene.component[i]))return void this.warn("Component not found: "+he.inQuotes(i));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+i)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}},{key:"removeChild",value:function(e){for(var t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}},{key:"removeChildren",value:function(){for(var e,t=0,i=this._children.length;t<i;t++)(e=this._children[t])._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}},{key:"numChildren",get:function(){return this._children.length}},{key:"children",get:function(){return this._children}},{key:"parent",get:function(){return this._parentNode},set:function(e){if(he.isNumeric(e)||he.isString(e)){var t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+he.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||Ln),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Mn[0]=e[0],Mn[1]=e[1],Mn[2]=e[2],Mn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Mn,En),re.mulQuaternions(this.quaternion,En,Fn),this.quaternion=Fn,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Mn[0]=e[0],Mn[1]=e[1],Mn[2]=e[2],Mn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Mn,En),re.mulQuaternions(En,this.quaternion,En),this}},{key:"rotateX",value:function(e){return this.rotate(kn,e)}},{key:"rotateY",value:function(e){return this.rotate(In,e)}},{key:"rotateZ",value:function(e){return this.rotate(Dn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,Sn),re.mulVec3Scalar(Sn,t,Tn),re.addVec3(this.position,Tn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(kn,e)}},{key:"translateY",value:function(e){return this.translate(In,e)}},{key:"translateZ",value:function(e){return this.translate(Dn,e)}},{key:"type",get:function(){return"Node"}},{key:"destroy",value:function(){if(f(x(i.prototype),"destroy",this).call(this),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length)for(var e=this._children.splice(),t=0,r=e.length;t<r;t++)e[t].destroy();this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}]),i}(),Un=function(e){g(i,Yi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"LambertMaterial",ambient:re.vec3([1,1,1]),color:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),r.ambient=s.ambient,r.color=s.color,r.emissive=s.emissive,r.alpha=s.alpha,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r.backfaces=s.backfaces,r.frontface=s.frontface,r}return C(i,[{key:"type",get:function(){return"LambertMaterial"}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){var t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),On={opaque:0,mask:1,blend:2},Nn=["opaque","mask","blend"],Qn=function(e){g(i,Yi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"MetallicMaterial",baseColor:re.vec4([1,1,1]),emissive:re.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.baseColor=s.baseColor,r.metallic=s.metallic,r.roughness=s.roughness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.baseColorMap&&(r._baseColorMap=r._checkComponent("Texture",s.baseColorMap)),s.metallicMap&&(r._metallicMap=r._checkComponent("Texture",s.metallicMap)),s.roughnessMap&&(r._roughnessMap=r._checkComponent("Texture",s.roughnessMap)),s.metallicRoughnessMap&&(r._metallicRoughnessMap=r._checkComponent("Texture",s.metallicRoughnessMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"MetallicMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"baseColor",get:function(){return this._state.baseColor},set:function(e){var t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"baseColorMap",get:function(){return this._baseColorMap}},{key:"metallic",get:function(){return this._state.metallic},set:function(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}},{key:"metallicMap",get:function(){return this._attached.metallicMap}},{key:"roughness",get:function(){return this._state.roughness},set:function(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}},{key:"roughnessMap",get:function(){return this._attached.roughnessMap}},{key:"metallicRoughnessMap",get:function(){return this._attached.metallicRoughnessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._attached.emissiveMap}},{key:"occlusionMap",get:function(){return this._attached.occlusionMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._attached.alphaMap}},{key:"normalMap",get:function(){return this._attached.normalMap}},{key:"alphaMode",get:function(){return Nn[this._state.alphaMode]},set:function(e){var t=On[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Vn={opaque:0,mask:1,blend:2},Hn=["opaque","mask","blend"],jn=function(e){g(i,Yi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({type:"SpecularMaterial",diffuse:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),specular:re.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.diffuse=s.diffuse,r.specular=s.specular,r.glossiness=s.glossiness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.glossinessMap&&(r._glossinessMap=r._checkComponent("Texture",s.glossinessMap)),s.specularGlossinessMap&&(r._specularGlossinessMap=r._checkComponent("Texture",s.specularGlossinessMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"SpecularMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specularMap",get:function(){return this._specularMap}},{key:"specularGlossinessMap",get:function(){return this._specularGlossinessMap}},{key:"glossiness",get:function(){return this._state.glossiness},set:function(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}},{key:"glossinessMap",get:function(){return this._glossinessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"normalMap",get:function(){return this._normalMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"alphaMode",get:function(){return Hn[this._state.alphaMode]},set:function(e){var t=Vn[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function Gn(e,t){var i,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,s=t;if(1009===s)return e.UNSIGNED_BYTE;if(1017===s)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===s)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===s)return e.BYTE;if(1011===s)return e.SHORT;if(1012===s)return e.UNSIGNED_SHORT;if(1013===s)return e.INT;if(1014===s)return e.UNSIGNED_INT;if(1015===s)return e.FLOAT;if(1016===s)return e.HALF_FLOAT;if(1021===s)return e.ALPHA;if(1023===s)return e.RGBA;if(1024===s)return e.LUMINANCE;if(1025===s)return e.LUMINANCE_ALPHA;if(1026===s)return e.DEPTH_COMPONENT;if(1027===s)return e.DEPTH_STENCIL;if(1028===s)return e.RED;if(1022===s)return e.RGBA;if(1029===s)return e.RED_INTEGER;if(1030===s)return e.RG;if(1031===s)return e.RG_INTEGER;if(1033===s)return e.RGBA_INTEGER;if(33776===s||33777===s||33778===s||33779===s)if(3001===r){var n=li(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===n)return null;if(33776===s)return n.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(null===(i=li(e,"WEBGL_compressed_texture_s3tc")))return null;if(33776===s)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===s)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===s)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===s)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===s||35841===s||35842===s||35843===s){var o=li(e,"WEBGL_compressed_texture_pvrtc");if(null===o)return null;if(35840===s)return o.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===s)return o.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===s)return o.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===s)return o.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===s){var a=li(e,"WEBGL_compressed_texture_etc1");return null!==a?a.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===s||37496===s){var l=li(e,"WEBGL_compressed_texture_etc");if(null===l)return null;if(37492===s)return 3001===r?l.COMPRESSED_SRGB8_ETC2:l.COMPRESSED_RGB8_ETC2;if(37496===s)return 3001===r?l.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:l.COMPRESSED_RGBA8_ETC2_EAC}if(37808===s||37809===s||37810===s||37811===s||37812===s||37813===s||37814===s||37815===s||37816===s||37817===s||37818===s||37819===s||37820===s||37821===s){var u=li(e,"WEBGL_compressed_texture_astc");if(null===u)return null;if(37808===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:u.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:u.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:u.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:u.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:u.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:u.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:u.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:u.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:u.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:u.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:u.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:u.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:u.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:u.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===s){var c=li(e,"EXT_texture_compression_bptc");if(null===c)return null;if(36492===s)return 3001===r?c.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:c.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===s?e.UNSIGNED_INT_24_8:1e3===s?e.REPEAT:1001===s?e.CLAMP_TO_EDGE:1004===s||1005===s?e.NEAREST_MIPMAP_LINEAR:1007===s?e.LINEAR_MIPMAP_NEAREST:1008===s?e.LINEAR_MIPMAP_LINEAR:1003===s?e.NEAREST:1006===s?e.LINEAR:null}var zn=new Uint8Array([0,0,0,1]),Wn=function(){function e(t){var i=t.gl,r=t.target,s=t.format,n=t.type,o=t.wrapS,a=t.wrapT,l=t.wrapR,u=t.encoding,c=t.preloadColor,A=t.premultiplyAlpha,h=t.flipY;B(this,e),this.gl=i,this.target=r||i.TEXTURE_2D,this.format=s||1023,this.type=n||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=o||1e3,this.wrapT=a||1e3,this.wrapR=l||1e3,this.encoding=u||3001,this.texture=i.createTexture(),c&&this.setPreloadColor(c),this.allocated=!0}return C(e,[{key:"setPreloadColor",value:function(e){e?(zn[0]=Math.floor(255*e[0]),zn[1]=Math.floor(255*e[1]),zn[2]=Math.floor(255*e[2]),zn[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(zn[0]=0,zn[1]=0,zn[2]=0,zn[3]=255);var t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP)for(var i=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z],r=0,s=i.length;r<s;r++)t.texImage2D(i[r],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,zn);else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,zn);t.bindTexture(this.target,null)}},{key:"setTarget",value:function(e){this.target=e||this.gl.TEXTURE_2D}},{key:"setImage",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);var r=!1;i.bindTexture(this.target,this.texture);var s=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);var n=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);var o=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);var a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);var l=Gn(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(r=!0);var u=Gn(i,this.magFilter);u&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,u);var c=Gn(i,this.wrapS);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,c);var A=Gn(i,this.wrapT);A&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,A);var h=Gn(i,this.format,this.encoding),d=Gn(i,this.type),p=Kn(i,this.internalFormat,h,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(he.isArray(e))for(var f=e,v=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z],g=0,m=v.length;g<m;g++)i.texImage2D(v[g],0,p,h,d,f[g])}else i.texImage2D(i.TEXTURE_2D,0,p,h,d,e);r&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,s),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n),i.pixelStorei(i.UNPACK_ALIGNMENT,o),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}},{key:"setCompressedData",value:function(e){var t=e.mipmaps,i=e.props,r=void 0===i?{}:i,s=this.gl,n=t.length;void 0!==r.format&&(this.format=r.format),void 0!==r.internalFormat&&(this.internalFormat=r.internalFormat),void 0!==r.encoding&&(this.encoding=r.encoding),void 0!==r.type&&(this.type=r.type),void 0!==r.flipY&&(this.flipY=r.flipY),void 0!==r.premultiplyAlpha&&(this.premultiplyAlpha=r.premultiplyAlpha),void 0!==r.unpackAlignment&&(this.unpackAlignment=r.unpackAlignment),void 0!==r.minFilter&&(this.minFilter=r.minFilter),void 0!==r.magFilter&&(this.magFilter=r.magFilter),void 0!==r.wrapS&&(this.wrapS=r.wrapS),void 0!==r.wrapT&&(this.wrapT=r.wrapT),void 0!==r.wrapR&&(this.wrapR=r.wrapR),s.activeTexture(s.TEXTURE0+0),s.bindTexture(this.target,this.texture);var o=t.length>1;s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,this.flipY),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),s.pixelStorei(s.UNPACK_ALIGNMENT,this.unpackAlignment),s.pixelStorei(s.UNPACK_COLORSPACE_CONVERSION_WEBGL,s.NONE);var a=Gn(s,this.wrapS);a&&s.texParameteri(this.target,s.TEXTURE_WRAP_S,a);var l=Gn(s,this.wrapT);if(l&&s.texParameteri(this.target,s.TEXTURE_WRAP_T,l),this.type===s.TEXTURE_3D||this.type===s.TEXTURE_2D_ARRAY){var u=Gn(s,this.wrapR);u&&s.texParameteri(this.target,s.TEXTURE_WRAP_R,u),s.texParameteri(this.type,s.TEXTURE_WRAP_R,u)}o?(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,Xn(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,Xn(s,this.magFilter))):(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,Gn(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,Gn(s,this.magFilter)));var c=Gn(s,this.format,this.encoding),A=Gn(s,this.type),h=Kn(s,this.internalFormat,c,A,this.encoding,!1);s.texStorage2D(s.TEXTURE_2D,n,h,t[0].width,t[0].height);for(var d=0,p=t.length;d<p;d++){var f=t[d];1023!==this.format?null!==c?s.compressedTexSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,c,f.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):s.texSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,c,A,f.data)}s.bindTexture(this.target,null)}},{key:"setProps",value:function(e){var t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}},{key:"_uploadProps",value:function(e){var t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){var i=Gn(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){var r=Gn(t,e.magFilter);r&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,r))}if(void 0!==e.wrapS){var s=Gn(t,e.wrapS);s&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,s))}if(void 0!==e.wrapT){var n=Gn(t,e.wrapT);n&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,n))}}},{key:"bind",value:function(e){if(this.allocated){if(this.texture){var t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}},{key:"unbind",value:function(e){if(this.allocated&&this.texture){var t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}},{key:"destroy",value:function(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}]),e}();function Kn(e,t,i,r,s){var n=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}var o=i;return i===e.RED&&(r===e.FLOAT&&(o=e.R32F),r===e.HALF_FLOAT&&(o=e.R16F),r===e.UNSIGNED_BYTE&&(o=e.R8)),i===e.RG&&(r===e.FLOAT&&(o=e.RG32F),r===e.HALF_FLOAT&&(o=e.RG16F),r===e.UNSIGNED_BYTE&&(o=e.RG8)),i===e.RGBA&&(r===e.FLOAT&&(o=e.RGBA32F),r===e.HALF_FLOAT&&(o=e.RGBA16F),r===e.UNSIGNED_BYTE&&(o=3001===s&&!1===n?e.SRGB8_ALPHA8:e.RGBA8),r===e.UNSIGNED_SHORT_4_4_4_4&&(o=e.RGBA4),r===e.UNSIGNED_SHORT_5_5_5_1&&(o=e.RGB5_A1)),o!==e.R16F&&o!==e.R32F&&o!==e.RG16F&&o!==e.RG32F&&o!==e.RGBA16F&&o!==e.RGBA32F||li(e,"EXT_color_buffer_float"),o}function Xn(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Jn(e){if(!Yn(e.width)||!Yn(e.height)){var t=document.createElement("canvas");t.width=Zn(e.width),t.height=Zn(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Yn(e){return 0==(e&e-1)}function Zn(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var qn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({texture:new Wn({gl:r.scene.canvas.gl}),matrix:re.identityMat4(),hasMatrix:s.translate&&(0!==s.translate[0]||0!==s.translate[1])||!!s.rotate||s.scale&&(0!==s.scale[0]||0!==s.scale[1]),minFilter:r._checkMinFilter(s.minFilter),magFilter:r._checkMagFilter(s.magFilter),wrapS:r._checkWrapS(s.wrapS),wrapT:r._checkWrapT(s.wrapT),flipY:r._checkFlipY(s.flipY),encoding:r._checkEncoding(s.encoding)}),r._src=null,r._image=null,r._translate=re.vec2([0,0]),r._scale=re.vec2([1,1]),r._rotate=re.vec2([0,0]),r._matrixDirty=!1,r.translate=s.translate,r.scale=s.scale,r.rotate=s.rotate,s.src?r.src=s.src:s.image&&(r.image=s.image),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"Texture"}},{key:"_checkMinFilter",value:function(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}},{key:"_checkMagFilter",value:function(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}},{key:"_checkWrapS",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkWrapT",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this._state.texture=new Wn({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}},{key:"_update",value:function(){var e,t,i=this._state;this._matrixDirty&&(0===this._translate[0]&&0===this._translate[1]||(e=re.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(t=re.scalingMat4v([this._scale[0],this._scale[1],1]),e=e?re.mulMat4(e,t):t),0!==this._rotate&&(t=re.rotationMat4v(.0174532925*this._rotate,[0,0,1]),e=e?re.mulMat4(e,t):t),e&&(i.matrix=e),this._matrixDirty=!1);this.glRedraw()}},{key:"image",get:function(){return this._image},set:function(e){this._image=Jn(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}},{key:"src",get:function(){return this._src},set:function(e){this.scene.loading++,this.scene.canvas.spinner.processes++;var t=this,i=new Image;i.onload=function(){i=Jn(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}},{key:"translate",get:function(){return this._translate},set:function(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}},{key:"rotate",get:function(){return this._rotate},set:function(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}},{key:"minFilter",get:function(){return this._state.minFilter}},{key:"magFilter",get:function(){return this._state.magFilter}},{key:"wrapS",get:function(){return this._state.wrapS}},{key:"wrapT",get:function(){return this._state.wrapT}},{key:"flipY",get:function(){return this._state.flipY}},{key:"encoding",get:function(){return this._state.encoding}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),ae.memory.textures--}}]),i}(),$n=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new hi({edgeColor:re.vec3([0,0,0]),centerColor:re.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),r.edgeColor=s.edgeColor,r.centerColor=s.centerColor,r.edgeBias=s.edgeBias,r.centerBias=s.centerBias,r.power=s.power,r}return C(i,[{key:"type",get:function(){return"Fresnel"}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}},{key:"centerColor",get:function(){return this._state.centerColor},set:function(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}},{key:"edgeBias",get:function(){return this._state.edgeBias},set:function(e){this._state.edgeBias=e||0,this.glRedraw()}},{key:"centerBias",get:function(){return this._state.centerBias},set:function(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}},{key:"power",get:function(){return this._state.power},set:function(e){this._state.power=null!=e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),eo=ae.memory,to=re.AABB3(),io=function(e){g(i,Ui);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._state=new hi({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._aabb=null,r._obb=re.OBB3();var n,o=r._state,a=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":o.primitive=a.POINTS,o.primitiveName=s.primitive;break;case"lines":o.primitive=a.LINES,o.primitiveName=s.primitive;break;case"line-loop":o.primitive=a.LINE_LOOP,o.primitiveName=s.primitive;break;case"line-strip":o.primitive=a.LINE_STRIP,o.primitiveName=s.primitive;break;case"triangles":o.primitive=a.TRIANGLES,o.primitiveName=s.primitive;break;case"triangle-strip":o.primitive=a.TRIANGLE_STRIP,o.primitiveName=s.primitive;break;case"triangle-fan":o.primitive=a.TRIANGLE_FAN,o.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),o.primitive=a.TRIANGLES,o.primitiveName=s.primitive}if(!s.positions)return r.error("Config expected: positions"),y(r);if(!s.indices)return r.error("Config expected: indices"),y(r);var l=s.positionsDecodeMatrix;if(l);else{var u=zi.getPositionsBounds(s.positions),c=zi.compressPositions(s.positions,u.min,u.max);n=c.quantized,o.positionsDecodeMatrix=c.decodeMatrix,o.positionsBuf=new Wt(a,a.ARRAY_BUFFER,n,n.length,3,a.STATIC_DRAW),eo.positions+=o.positionsBuf.numItems,re.positions3ToAABB3(s.positions,r._aabb),re.positions3ToAABB3(n,to,o.positionsDecodeMatrix),re.AABB3ToOBB3(to,r._obb)}if(s.colors){var A=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors);o.colorsBuf=new Wt(a,a.ARRAY_BUFFER,A,A.length,4,a.STATIC_DRAW),eo.colors+=o.colorsBuf.numItems}if(s.uv){var h=zi.getUVBounds(s.uv),d=zi.compressUVs(s.uv,h.min,h.max),p=d.quantized;o.uvDecodeMatrix=d.decodeMatrix,o.uvBuf=new Wt(a,a.ARRAY_BUFFER,p,p.length,2,a.STATIC_DRAW),eo.uvs+=o.uvBuf.numItems}if(s.normals){var f=zi.compressNormals(s.normals),v=o.compressGeometry;o.normalsBuf=new Wt(a,a.ARRAY_BUFFER,f,f.length,3,a.STATIC_DRAW,v),eo.normals+=o.normalsBuf.numItems}var g=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices);o.indicesBuf=new Wt(a,a.ELEMENT_ARRAY_BUFFER,g,g.length,1,a.STATIC_DRAW),eo.indices+=o.indicesBuf.numItems;var m=Oi(n,g,o.positionsDecodeMatrix,r._edgeThreshold);return r._edgeIndicesBuf=new Wt(a,a.ELEMENT_ARRAY_BUFFER,m,m.length,1,a.STATIC_DRAW),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3),r._buildHash(),eo.meshes++,r}return C(i,[{key:"type",get:function(){return"VBOGeometry"}},{key:"isVBOGeometry",get:function(){return!0}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"aabb",get:function(){return this._aabb}},{key:"obb",get:function(){return this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),eo.meshes--}}]),i}(),ro={};function so(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("load3DSGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),s.processes--,r());var n=ro.parse.from3DS(e).edit.objects[0].mesh,o=n.vertices,a=n.uvt,l=n.indices;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),s.processes--,r()}))}))}function no(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),s.processes--,r());for(var n=ro.parse.fromOBJ(e),o=ro.edit.unwrap(n.i_verts,n.c_verts,3),a=ro.edit.unwrap(n.i_norms,n.c_norms,3),l=ro.edit.unwrap(n.i_uvt,n.c_uvt,2),u=new Int32Array(n.i_verts.length),c=0;c<n.i_verts.length;c++)u[c]=c;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:u}))}),(function(e){console.error("loadOBJGeometry: "+e),s.processes--,r()}))}))}function oo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,c=-r+a,A=t+n,h=i+o,d=r+a;return he.apply(e,{primitive:"lines",positions:[l,u,c,l,u,d,l,h,c,l,h,d,A,u,c,A,u,d,A,h,c,A,h,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function ao(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return oo({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function lo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);var i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1);for(var r=(t=t||10)/(i=i||10),s=t/2,n=[],o=[],a=0,l=0,u=-s;l<=i;l++,u+=r)n.push(-s),n.push(0),n.push(u),n.push(s),n.push(0),n.push(u),n.push(u),n.push(0),n.push(-s),n.push(u),n.push(0),n.push(s),o.push(a++),o.push(a++),o.push(a++),o.push(a++);return he.apply(e,{primitive:"lines",positions:n,indices:o})}function uo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);var r=e.xSegments||1;r<0&&(console.error("negative xSegments not allowed - will invert"),r*=-1),r<1&&(r=1);var s=e.xSegments||1;s<0&&(console.error("negative zSegments not allowed - will invert"),s*=-1),s<1&&(s=1);var n,o,a,l,u,c,A,h=e.center,d=h?h[0]:0,p=h?h[1]:0,f=h?h[2]:0,v=t/2,g=i/2,m=Math.floor(r)||1,_=Math.floor(s)||1,y=m+1,b=_+1,x=t/m,w=i/_,B=new Float32Array(y*b*3),P=new Float32Array(y*b*3),C=new Float32Array(y*b*2),M=0,E=0;for(n=0;n<b;n++){var F=n*w-g;for(o=0;o<y;o++)a=o*x-v,B[M]=a+d,B[M+1]=p,B[M+2]=-F+f,P[M+2]=-1,C[E]=o/m,C[E+1]=(_-n)/_,M+=3,E+=2}M=0;var k=new(B.length/3>65535?Uint32Array:Uint16Array)(m*_*6);for(n=0;n<_;n++)for(o=0;o<m;o++)l=o+y*n,u=o+y*(n+1),c=o+1+y*(n+1),A=o+1+y*n,k[M]=A,k[M+1]=u,k[M+2]=l,k[M+3]=A,k[M+4]=c,k[M+5]=u,M+=6;return he.apply(e,{positions:B,normals:P,uv:C,indices:k})}function co(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;var i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);var r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<4&&(r=4);var s=e.tubeSegments||24;s<0&&(console.error("negative tubeSegments not allowed - will invert"),s*=-1),s<4&&(s=4);var n=e.arc||2*Math.PI;n<0&&(console.warn("negative arc not allowed - will invert"),n*=-1),n>360&&(n=360);var o,a,l,u,c,A,h,d,p,f,v,g,m=e.center,_=m?m[0]:0,y=m?m[1]:0,b=m?m[2]:0,x=[],w=[],B=[],P=[];for(d=0;d<=s;d++)for(h=0;h<=r;h++)o=h/r*n,a=.785398+d/s*Math.PI*2,_=t*Math.cos(o),y=t*Math.sin(o),l=(t+i*Math.cos(a))*Math.cos(o),u=(t+i*Math.cos(a))*Math.sin(o),c=i*Math.sin(a),x.push(l+_),x.push(u+y),x.push(c+b),B.push(1-h/r),B.push(d/s),A=re.normalizeVec3(re.subVec3([l,u,c],[_,y,b],[]),[]),w.push(A[0]),w.push(A[1]),w.push(A[2]);for(d=1;d<=s;d++)for(h=1;h<=r;h++)p=(r+1)*d+h-1,f=(r+1)*(d-1)+h-1,v=(r+1)*(d-1)+h,g=(r+1)*d+h,P.push(p),P.push(f),P.push(v),P.push(v),P.push(g),P.push(p);return he.apply(e,{positions:x,normals:w,uv:B,indices:P})}function Ao(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";var t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";for(var i=[],r=0;r<t-1;r++)i.push(r),i.push(r+1);return he.apply(e,{primitive:"lines",positions:e.points,indices:i})}function ho(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.curve.getPoints(e.divisions).map((function(e){return h(e)})).flat();return Ao({id:e.id,points:t})}function po(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(3!==e.startPoint.length)throw"Start point should contain 3 elements in array: x, y and z";if(3!==e.endPoint.length)throw"End point should contain 3 elements in array: x, y and z";var t=[],i=[],r=e.startPoint[0],s=e.startPoint[1],n=e.startPoint[2],o=e.endPoint[0],a=e.endPoint[1],l=e.endPoint[2],u=Math.sqrt(Math.pow(o-r,2)+Math.pow(a-s,2)+Math.pow(l-n,2)),c=[(o-r)/u,(a-s)/u,(l-n)/u];if(e.pattern){var A=e.pattern.length,h=!1,d=0,p=0,f=0,v=[r,s,n],g=e.pattern[p];for(i.push(v[0],v[1],v[2]);g<=u-d;){var m=[c[0]*g,c[1]*g,c[2]*g],_=[v[0]+m[0],v[1]+m[1],v[2]+m[2]];i.push(_[0],_[1],_[2]),h||(t.push(f),t.push(f+1)),h=!h,f+=1,v=_,(p+=1)>=A&&(p=0),d+=g,g=e.pattern[p]}e.extendToEnd&&(i.push(o,a,l),t.push(t.length-2),t.push(t.length-1))}else t.push(0),t.push(1),i.push(r,s,n,o,a,l);return he.apply(e,{primitive:"lines",positions:i,indices:t})}ro.load=function(e,t){var i=new XMLHttpRequest;i.open("GET",e,!0),i.responseType="arraybuffer",i.onload=function(e){t(e.target.response)},i.send()},ro.save=function(e,t){var i="data:application/octet-stream;base64,"+btoa(ro.parse._buffToStr(e));window.location.href=i},ro.clone=function(e){return JSON.parse(JSON.stringify(e))},ro.bin={},ro.bin.f=new Float32Array(1),ro.bin.fb=new Uint8Array(ro.bin.f.buffer),ro.bin.rf=function(e,t){for(var i=ro.bin.f,r=ro.bin.fb,s=0;s<4;s++)r[s]=e[t+s];return i[0]},ro.bin.rsl=function(e,t){return e[t]|e[t+1]<<8},ro.bin.ril=function(e,t){return e[t]|e[t+1]<<8|e[t+2]<<16|e[t+3]<<24},ro.bin.rASCII0=function(e,t){for(var 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i.id=ro.bin.ril(e,0),i.verS=ro.bin.ril(e,4),i.texS=ro.bin.ril(e,8),i.indS=ro.bin.ril(e,12),i.verO=ro.bin.ril(e,16),i.verL=ro.bin.ril(e,20),i.texO=ro.bin.ril(e,24),i.texL=ro.bin.ril(e,28),i.indO=ro.bin.ril(e,32),i.indL=ro.bin.ril(e,36),0!=i.verO&&(t.vertices=ro.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=ro.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=ro.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},ro.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var r=32;t<=65535&&(r=16);var s=40;e.vertices&&(s+=4*e.vertices.length),e.uvt&&(s+=4*e.uvt.length),e.indices&&(s+=e.indices.length*r/8);var n=new Uint8Array(s);ro.bin.wil(n,0,1769365870),ro.bin.wil(n,4,32),ro.bin.wil(n,8,32),ro.bin.wil(n,12,r);var o=40;return e.vertices&&(ro.bin.wil(n,16,o),ro.bin.wil(n,20,4*e.vertices.length),ro.parse.fromBIV._writeFloats(n,o,e.vertices),o+=4*e.vertices.length),e.uvt&&(ro.bin.wil(n,24,o),ro.bin.wil(n,28,4*e.uvt.length),ro.parse.fromBIV._writeFloats(n,o,e.uvt),o+=4*e.uvt.length),e.indices&&(ro.bin.wil(n,32,o),ro.bin.wil(n,36,4*e.indices.length),ro.parse.fromBIV._writeInts(n,o,e.indices,r)),n.buffer},ro.parse.fromBIV._readFloats=function(e,t,i){for(var r=[],s=0;s<i/4;s++)r.push(ro.bin.rf(e,t+4*s));return r},ro.parse.fromBIV._writeFloats=function(e,t,i){for(var r=0;r<i.length;r++)ro.bin.wf(e,t+4*r,i[r])},ro.parse.fromBIV._readInts=function(e,t,i,r){for(var s=[],n=0;n<i/4;n++)16==r&&s.push(ro.bin.rsl(e,t+2*n)),32==r&&s.push(ro.bin.ril(e,t+4*n));return s},ro.parse.fromBIV._writeInts=function(e,t,i,r){for(var s=0;s<i.length;s++)16==r&&ro.bin.wsl(e,t+2*s,i[s]),32==r&&ro.bin.wil(e,t+4*s,i[s])},ro.gen={},ro.gen.Plane=function(e,t,i,r){i||(i=1),r||(r=1);for(var s={verts:[],inds:[],uvt:[]},n=e+1,o=t+1,a=0;a<o;a++)for(var l=0;l<n;l++){var u=l*(2/e)-1,c=a*(2/t)-1;s.verts.push(u,c,0),s.uvt.push(i*l/e,r*a/t),a<t&&l<e&&s.inds.push(a*n+l,a*n+l+1,(a+1)*n+l,a*n+l+1,(a+1)*n+l,(a+1)*n+l+1)}return s},ro.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},ro.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},r=e+1,s=t+1,n=0;n<s;n++)for(var o=0;o<r;o++){var a=-Math.PI/2+n*Math.PI/t,l=2*o*Math.PI/e,u=Math.cos(a)*Math.cos(l),c=Math.sin(a),A=Math.cos(a)*Math.sin(l);i.verts.push(u,c,A),i.uvt.push(o/e,n/t),n<t&&o<e&&i.inds.push(r*n+o,r*n+o+1,r*(n+1)+o,r*n+o+1,r*(n+1)+o,r*(n+1)+o+1)}return i},ro.mat={},ro.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},ro.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},ro.mat.rotateDeg=function(e,t,i){var r=Math.PI/180;return ro.mat.rotate(e*r,t*r,i*r)},ro.mat.rotate=function(e,t,i){var r=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],s=e,n=t,o=i,a=Math.cos(s),l=Math.cos(n),u=Math.cos(o),c=Math.sin(s),A=Math.sin(n),h=Math.sin(o);return r[0]=l*u,r[1]=-l*h,r[2]=A,r[4]=a*h+c*A*u,r[5]=a*u-c*A*h,r[6]=-c*l,r[8]=c*h-a*A*u,r[9]=c*u+a*A*h,r[10]=a*l,r},ro.edit={},ro.edit.interpolate=function(e,t,i,r){for(var s=0;s<e.length;s++)i[s]=e[s]+r*(t[s]-e[s])},ro.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var r=e[i],s=e[i+1],n=e[i+2];e[i+0]=t[0]*r+t[4]*s+t[8]*n+t[12],e[i+1]=t[1]*r+t[5]*s+t[9]*n+t[13],e[i+2]=t[2]*r+t[6]*s+t[10]*n+t[14]}},ro.edit.unwrap=function(e,t,i){for(var r=new Array(Math.floor(e.length/3)*i),s=0;s<e.length;s++)for(var n=0;n<i;n++)r[s*i+n]=t[e[s]*i+n];return r},ro.edit.remap=function(e,t,i,r){for(var s=new Array(i.length),n=0;n<e.length;n++)for(var o=0;o<r;o++)s[t[n]*r+o]=i[e[n]*r+o];return s},ro.utils={},ro.utils.getAABB=function(e){var t,i,r,s,n,o;s=n=o=-(t=i=r=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],u=e[a+1],c=e[a+2];l<t&&(t=l),l>s&&(s=l),u<i&&(i=u),u>n&&(n=u),c<r&&(r=c),u>o&&(o=c)}return{min:{x:t,y:i,z:r},max:{x:s,y:n,z:o}}};var fo=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._type=s.type||(s.src?s.src.split(".").pop():null)||"jpg",r._pos=re.vec3(s.pos||[0,0,0]),r._up=re.vec3(s.up||[0,1,0]),r._normal=re.vec3(s.normal||[0,0,1]),r._height=s.height||1,r._origin=re.vec3(),r._rtcPos=re.vec3(),r._imageSize=re.vec2(),r._texture=new qn(b(r),{flipY:!0}),r._image=new Image,"jpg"!==r._type&&"png"!==r._type&&(r.error('Unsupported type - defaulting to "jpg"'),r._type="jpg"),r._node=new Rn(b(r),{matrix:re.inverseMat4(re.lookAtMat4v(r._pos,re.subVec3(r._pos,r._normal,re.mat4()),r._up,re.mat4())),children:[r._bitmapMesh=new _n(b(r),{scale:[1,1,1],rotation:[-90,0,0],collidable:s.collidable,pickable:s.pickable,opacity:s.opacity,clippable:s.clippable,geometry:new Xi(b(r),uo({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new $i(b(r),{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:r._texture,emissiveMap:r._texture,backfaces:!0})})]}),s.image?r.image=s.image:s.src?r.src=s.src:s.imageData&&(r.imageData=s.imageData),r.scene._bitmapCreated(b(r)),r}return C(i,[{key:"visible",get:function(){return this._bitmapMesh.visible},set:function(e){this._bitmapMesh.visible=e}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}},{key:"src",get:function(){return this._image.src},set:function(e){var t=this;if(e)switch(this._image.onload=function(){t._texture.image=t._image,t._imageSize[0]=t._image.width,t._imageSize[1]=t._image.height,t._updateBitmapMeshScale()},this._image.src=e,e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}},{key:"imageData",get:function(){var e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")},set:function(e){var t=this;this._image.onload=function(){t._texture.image=image,t._imageSize[0]=image.width,t._imageSize[1]=image.height,t._updateBitmapMeshScale()},this._image.src=e}},{key:"type",get:function(){return this._type},set:function(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}},{key:"pos",get:function(){return this._pos}},{key:"normal",get:function(){return this._normal}},{key:"up",get:function(){return this._up}},{key:"height",get:function(){return this._height},set:function(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}},{key:"collidable",get:function(){return this._bitmapMesh.collidable},set:function(e){this._bitmapMesh.collidable=!1!==e}},{key:"clippable",get:function(){return this._bitmapMesh.clippable},set:function(e){this._bitmapMesh.clippable=!1!==e}},{key:"pickable",get:function(){return this._bitmapMesh.pickable},set:function(e){this._bitmapMesh.pickable=!1!==e}},{key:"opacity",get:function(){return this._bitmapMesh.opacity},set:function(e){this._bitmapMesh.opacity=e}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._bitmapDestroyed(this)}},{key:"_updateBitmapMeshScale",value:function(){var e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}]),i}(),vo=function(e,t){var i=[],r=[];function s(e,i){for(var r,s,n=0;n<3;n++)if((r=t[3*e+n])!==(s=t[3*i+n]))return s-r;return 0}for(var n=e.slice().sort(s),o=null,a=0,l=n.length;a<l;a++)0!==a&&0===s(n[a],n[a-1])||(o=n[a]),i[n[a]]=o;for(var u=0,c=e.length;u<c;u+=3){var A=i[e[u]],h=i[e[u+1]],d=i[e[u+2]],p=A,f=h,v=d;if(A>h&&A>d?h>d?(p=A,f=h,v=d):(p=A,f=d,v=h):h>A&&h>d?A>d?(p=h,f=A,v=d):(p=h,f=d,v=A):d>A&&d>h&&(A>h?(p=d,f=A,v=h):(p=d,f=h,v=A)),r[u+0]=[p,f],r[u+1]=[f,v],p>v){var g=v;v=p,p=g}r[u+2]=[v,p]}function m(e,t){for(var i,r,s=0;s<2;s++)if(i=e[s],(r=t[s])!==i)return r-i;return 0}(r=r.slice(0,e.length)).sort(m);for(var _=0,y=0;y<r.length;y++)if(0===y||0!==m(r[y],r[y-1])){if(0!==y&&2!==_)return!1;_=1}else _++;return!(r.length>0&&2!==_)},go=re.vec3(),mo=re.vec3(),_o=re.vec3(),yo=function(){function e(){B(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}},{key:"setPrimitive",value:function(e){this.primitive=e}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"volume",get:function(){var e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!vo(t,e))return-1;for(var i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];go[0]=e[s],go[1]=e[s+1],go[2]=e[s+2],mo[0]=e[n],mo[1]=e[n+1],mo[2]=e[n+2],_o[0]=e[o],_o[1]=e[o+1],_o[2]=e[o+2],re.cross3Vec3(go,mo,go),i+=re.dotVec3(go,_o)}return i/6}}]),e}(),bo=new yo,xo=re.vec3(),wo=re.vec3(),Bo=re.vec3(),Po=re.vec3(),Co=re.vec3(),Mo=re.vec3(),Eo=function(){function e(){B(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"surfaceArea",get:function(){for(var e=this.vertices,t=this.indices,i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];xo[0]=e[s],xo[1]=e[s+1],xo[2]=e[s+2],wo[0]=e[n],wo[1]=e[n+1],wo[2]=e[n+2],Bo[0]=e[o],Bo[1]=e[o+1],Bo[2]=e[o+2],re.subVec3(xo,wo,Po),re.subVec3(Bo,wo,Co),i+=.5*re.lenVec3(re.cross3Vec3(Po,Co,Mo))}return i}}]),e}(),Fo=new Eo,ko=re.OBB3(),Io=re.OBB3(),Do=re.OBB3(),So=function(){function e(t,i,r,s,n,o){var a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:null,l=arguments.length>7&&void 0!==arguments[7]?arguments[7]:0;B(this,e),this.model=t,this.object=null,this.parent=null,this.transform=n,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=i,this.obb=null,this._aabbLocal=null,this._aabbWorld=re.AABB3(),this._aabbWorldDirty=!1,this.layer=a,this.portionId=l,this._color=new Uint8Array([r[0],r[1],r[2],s]),this._colorize=new Uint8Array([r[0],r[1],r[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,n&&n._addMesh(this),this._volume=null,this._surfaceArea=null}return C(e,[{key:"_sceneModelDirty",value:function(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}},{key:"_updateMatrix",value:function(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}},{key:"_finalize",value:function(e){this.layer.initFlags(this.portionId,e,this._transparent)}},{key:"_finalize2",value:function(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}},{key:"_setVisible",value:function(e){this.layer.setVisible(this.portionId,e,this._transparent)}},{key:"_setColor",value:function(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}},{key:"_setColorize",value:function(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}},{key:"_setOpacity",value:function(e,t){var i=e<255,r=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),r&&this.layer.setTransparent(this.portionId,t,i)}},{key:"_setOffset",value:function(e){this.layer.setOffset(this.portionId,e)}},{key:"_setHighlighted",value:function(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}},{key:"_setXRayed",value:function(e){this.layer.setXRayed(this.portionId,e,this._transparent)}},{key:"_setSelected",value:function(e){this.layer.setSelected(this.portionId,e,this._transparent)}},{key:"_setEdges",value:function(e){this.layer.setEdges(this.portionId,e,this._transparent)}},{key:"_setClippable",value:function(e){this.layer.setClippable(this.portionId,e,this._transparent)}},{key:"_setCollidable",value:function(e){this.layer.setCollidable(this.portionId,e)}},{key:"_setPickable",value:function(e){this.layer.setPickable(this.portionId,e,this._transparent)}},{key:"_setCulled",value:function(e){this.layer.setCulled(this.portionId,e,this._transparent)}},{key:"canPickTriangle",value:function(){return!1}},{key:"drawPickTriangles",value:function(e,t){}},{key:"pickTriangleSurface",value:function(e){}},{key:"precisionRayPickSurface",value:function(e,t,i,r){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,r)}},{key:"canPickWorldPos",value:function(){return!0}},{key:"drawPickDepths",value:function(e){this.model.drawPickDepths(e)}},{key:"drawPickNormals",value:function(e){this.model.drawPickNormals(e)}},{key:"delegatePickedEntity",value:function(){return this.parent}},{key:"getEachVertex",value:function(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}},{key:"getEachIndex",value:function(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}},{key:"volume",get:function(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":bo.reset(),bo.setPrimitive(this.layer.primitive),this.getEachVertex((function(e){bo.addVertex(e)})),this.getEachIndex((function(e){bo.addIndex(e)})),this._volume=bo.volume;break;default:this._volume=0}return this._volume}},{key:"surfaceArea",get:function(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Fo.reset(),this.getEachVertex((function(e){Fo.addVertex(e)})),this.getEachIndex((function(e){Fo.addIndex(e)})),this._surfaceArea=Fo.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}},{key:"aabb",get:function(){return this._aabbWorldDirty&&(re.AABB3ToOBB3(this._aabbLocal,ko),this.transform?(re.transformOBB3(this.transform.worldMatrix,ko,Io),re.transformOBB3(this.model.worldMatrix,Io,Do),re.OBB3ToAABB3(Do,this._aabbWorld)):(re.transformOBB3(this.model.worldMatrix,ko,Io),re.OBB3ToAABB3(Io,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld},set:function(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);var t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}},{key:"_destroy",value:function(){this.model.scene._renderer.putPickID(this.pickId)}}]),e}(),To=new(function(){function e(){B(this,e),this._uint8Arrays={},this._float32Arrays={}}return C(e,[{key:"_clear",value:function(){this._uint8Arrays={},this._float32Arrays={}}},{key:"getUInt8Array",value:function(e){var t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}},{key:"getFloat32Array",value:function(e){var t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}}]),e}()),Lo=0;function Ro(){return Lo++,To}var Uo={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Oo=new Float32Array([1,1,1,1]),No=new Float32Array([0,0,0,1]),Qo=re.vec4(),Vo=re.vec3(),Ho=re.vec3(),jo=re.mat4(),Go=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},s=r.instancing,n=void 0!==s&&s,o=r.edges,a=void 0!==o&&o,l=r.useAlphaCutoff,u=void 0!==l&&l;B(this,e),this._scene=t,this._withSAO=i,this._instancing=n,this._edges=a,this._useAlphaCutoff=u,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}return C(e,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){return[""]}},{key:"_buildFragmentShader",value:function(){return[""]}},{key:"_addMatricesUniformBlockLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}},{key:"_addRemapClipPosLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(".concat(t,"));")),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}},{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"setSectionPlanesStateUniforms",value:function(e){var t=this._scene,i=t.canvas.gl,r=e.model,s=e.layerIndex,n=t._sectionPlanesState.getNumAllocatedSectionPlanes(),o=t._sectionPlanesState.sectionPlanes.length;if(n>0){var a=t._sectionPlanesState.sectionPlanes,l=s*o,u=r.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(var c=0;c<n;c++){var A=this._uSectionPlanes[c];if(A)if(c<o){var h=u.sectionPlanesActivePerLayer[l+c];if(i.uniform1i(A.active,h?1:0),h){var d=a[c],p=e._state.origin;if(p){var f=We(d.dist,d.dir,p,Vo,r.matrix);i.uniform3fv(A.pos,f)}else i.uniform3fv(A.pos,d.pos);i.uniform3fv(A.dir,d.dir)}}else i.uniform1i(A.active,0)}}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uColor=r.getLocation("color"),this._uColor||(this._uColor=r.getLocation("silhouetteColor")),this._uUVDecodeMatrix=r.getLocation("uvDecodeMatrix"),this._uPickInvisible=r.getLocation("pickInvisible"),this._uGammaFactor=r.getLocation("gammaFactor"),t.uniformBlockBinding(r.handle,t.getUniformBlockIndex(r.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=r.getLocation("zFar")),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._aPosition=r.getAttribute("position"),this._aOffset=r.getAttribute("offset"),this._aNormal=r.getAttribute("normal"),this._aUV=r.getAttribute("uv"),this._aColor=r.getAttribute("color"),this._aMetallicRoughness=r.getAttribute("metallicRoughness"),this._aFlags=r.getAttribute("flags"),this._aPickColor=r.getAttribute("pickColor"),this._uPickZNear=r.getLocation("pickZNear"),this._uPickZFar=r.getLocation("pickZFar"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uDrawingBufferSize=r.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=r.getAttribute("modelMatrix"),this._aModelMatrixCol0=r.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=r.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=r.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=r.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=r.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=r.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=r.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=r.getLocation("intensityRange")),this._uPointSize=r.getLocation("pointSize"),this._uNearPlaneHeight=r.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=r.getLocation("sliceColor"),this._uSliceThickness=r.getLocation("sliceThickness"))}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState,n=s.lights;r.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,s.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(var o=0,a=n.length;o<a;o++){var l=n[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}}},{key:"_makeVAO",value:function(e){var t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}},{key:"drawLayer",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},s=r.colorUniform,n=void 0!==s&&s,o=r.incrementDrawState,a=void 0!==o&&o,l=Lt.MAX_TEXTURE_IMAGE_UNITS,u=this._scene,c=u.canvas.gl,A=t._state,h=t.model,d=A.textureSet,p=A.origin,f=A.positionsDecodeMatrix,v=u._lightsState,g=u.pointsMaterial,m=h.scene.camera,_=m.viewNormalMatrix,y=m.project,b=e.pickViewMatrix||m.viewMatrix,x=h.position,w=h.rotationMatrix,B=h.worldNormalMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?c.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(A));var P=0,C=16;this._matricesUniformBlockBufferData.set(w,0);var M=0!==p[0]||0!==p[1]||0!==p[2],E=0!==x[0]||0!==x[1]||0!==x[2];if(M||E){var F=Vo;if(M){var k=re.transformPoint3(w,p,Ho);F[0]=k[0],F[1]=k[1],F[2]=k[2]}else F[0]=0,F[1]=0,F[2]=0;F[0]+=x[0],F[1]+=x[1],F[2]+=x[2],this._matricesUniformBlockBufferData.set(He(b,F,jo),P+=C)}else this._matricesUniformBlockBufferData.set(b,P+=C);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||y.matrix,P+=C),this._matricesUniformBlockBufferData.set(f,P+=C),this._matricesUniformBlockBufferData.set(B,P+=C),this._matricesUniformBlockBufferData.set(_,P+=C),c.bindBuffer(c.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),c.bufferData(c.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,c.DYNAMIC_DRAW),c.bindBufferBase(c.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),c.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),u.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){var I=2/(Math.log(e.pickZFar+1)/Math.LN2);c.uniform1f(this._uLogDepthBufFC,I)}this._uZFar&&c.uniform1f(this._uZFar,u.camera.project.far)}if(this._uPickInvisible&&c.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&c.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&c.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&c.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&c.uniform2f(this._uDrawingBufferSize,c.drawingBufferWidth,c.drawingBufferHeight),this._uUVDecodeMatrix&&c.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._uIntensityRange&&g.filterIntensity&&c.uniform2f(this._uIntensityRange,g.minIntensity,g.maxIntensity),this._uPointSize&&c.uniform1f(this._uPointSize,g.pointSize),this._uNearPlaneHeight){var D="ortho"===u.camera.projection?1:c.drawingBufferHeight/(2*Math.tan(.5*u.camera.perspective.fov*Math.PI/180));c.uniform1f(this._uNearPlaneHeight,D)}if(d){var S=d.colorTexture,T=d.metallicRoughnessTexture,L=d.emissiveTexture,R=d.normalsTexture,U=d.occlusionTexture;this._uColorMap&&S&&(this._program.bindTexture(this._uColorMap,S.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uMetallicRoughMap&&T&&(this._program.bindTexture(this._uMetallicRoughMap,T.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uEmissiveMap&&L&&(this._program.bindTexture(this._uEmissiveMap,L.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uNormalMap&&R&&(this._program.bindTexture(this._uNormalMap,R.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uAOMap&&U&&(this._program.bindTexture(this._uAOMap,U.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l)}if(v.reflectionMaps.length>0&&v.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,v.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),v.lightMaps.length>0&&v.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,v.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),this._withSAO){var O=u.sao,N=O.possible;if(N){var Q=c.drawingBufferWidth,V=c.drawingBufferHeight;Qo[0]=Q,Qo[1]=V,Qo[2]=O.blendCutoff,Qo[3]=O.blendFactor,c.uniform4fv(this._uSAOParams,Qo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++}}if(this._useAlphaCutoff&&c.uniform1f(this._alphaCutoffLocation,d.alphaCutoff),n){var H=this._edges?"edgeColor":"fillColor",j=this._edges?"edgeAlpha":"fillAlpha";if(i===Uo["".concat(this._edges?"EDGES":"SILHOUETTE","_XRAYED")]){var G=u.xrayMaterial._state,z=G[H],W=G[j];c.uniform4f(this._uColor,z[0],z[1],z[2],W)}else if(i===Uo["".concat(this._edges?"EDGES":"SILHOUETTE","_HIGHLIGHTED")]){var K=u.highlightMaterial._state,X=K[H],J=K[j];c.uniform4f(this._uColor,X[0],X[1],X[2],J)}else if(i===Uo["".concat(this._edges?"EDGES":"SILHOUETTE","_SELECTED")]){var Y=u.selectedMaterial._state,Z=Y[H],q=Y[j];c.uniform4f(this._uColor,Z[0],Z[1],Z[2],q)}else c.uniform4fv(this._uColor,this._edges?No:Oo)}this._draw({state:A,frameCtx:e,incrementDrawState:a}),c.bindVertexArray(null)}}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null,ae.memory.programs--}}]),e}(),zo=function(e){g(i,Go);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return B(this,i),t.call(this,e,r,{instancing:!1,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{var n=r.pickElementsCount||i.indicesBuf.numItems,o=r.pickElementsOffset?r.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,n,i.indicesBuf.itemType,o),s&&r.drawElements++}}}]),i}(),Wo=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Triangles batching draw vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in float flags;"),t.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),s&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),t.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):r.push("   outColor            = newColor;"),r.push("}"),r}}]),i}(),Ko=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._lightsState,i=e._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching flat-shading draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),r){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var n=0,o=i.getNumAllocatedSectionPlanes();n<o;n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(s),s.push("uniform vec4 lightAmbient;");for(var a=0,l=t.lights.length;a<l;a++){var u=t.lights[a];"ambient"!==u.type&&(s.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&s.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&s.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(s.push("uniform vec3 lightPos"+a+";"),s.push("uniform vec3 lightDir"+a+";")))}if(s.push("in vec4 vViewPosition;"),s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),r){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)s.push("if (sectionPlaneActive"+c+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+c+".xyz, vWorldPosition.xyz - sectionPlanePos"+c+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}s.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),s.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),s.push("float lambertian = 1.0;"),s.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),s.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),s.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var h=0,d=t.lights.length;h<d;h++){var p=t.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);");else if("point"===p.type)"view"===p.space?s.push("viewLightDir = -normalize(lightPos"+h+" - viewPosition.xyz);"):s.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+h+", 0.0)).xyz);");else{if("spot"!==p.type)continue;"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);")}s.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),s.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}return s.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):s.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}]),i}(),Xo=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching silhouette fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),s){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(var o=0,a=r.getNumAllocatedSectionPlanes();o<a;o++)n.push("if (sectionPlaneActive"+o+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = newColor;"),n.push("}"),n}}]),i}(),Jo=function(e){g(i,zo);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!1,edges:!0})}return C(i)}(),Yo=function(e){g(i,Jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Zo=function(e){g(i,Jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),qo=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),$o=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),ea=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),ta=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),ia=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching depth fragment shader"),r.push("precision highp float;"),r.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec2 vHighPrecisionZW;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),r.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),r.push("}"),r}}]),i}(),ra=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),sa=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}]),i}(),na=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Triangles batching quality draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),n.push("vFragDepth = 1.0 + clipPos.w;")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Triangles batching quality draw fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),o.push("uniform sampler2D uAOMap;"),o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)o.push("uniform bool sectionPlaneActive"+c+";"),o.push("uniform vec3 sectionPlanePos"+c+";"),o.push("uniform vec3 sectionPlaneDir"+c+";")}if(o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),o.push("              return surf_norm;"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3  diffuseColor;"),o.push("   float specularRoughness;"),o.push("   vec3  specularColor;"),o.push("   float shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("float aoFactor = texture(uAOMap, vUV).r;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),oa=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick flat normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),aa=function(e){g(i,zo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching color texture fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),la=re.vec3(),ua=re.vec3(),ca=re.vec3(),Aa=re.vec3(),ha=re.mat4(),da=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=la;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=ua;if(l){var g=ca;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,ha),(p=Aa)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),pa=re.vec3(),fa=re.vec3(),va=re.vec3(),ga=re.vec3(),ma=re.mat4(),_a=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=pa;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=fa;if(l){var g=va;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,ma),(p=ga)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),o.drawElements(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ya=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new Xo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new qo(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new $o(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new da(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new _a(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Wo(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Wo(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new Ko(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Ko(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new aa(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new aa(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new aa(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new aa(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new na(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new na(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Xo(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new ia(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new ra(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Yo(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Zo(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new qo(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new ea(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new oa(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new $o(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new ta(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new sa(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new _a(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new da(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),ba={};var xa=65536,wa=5e6,Ba=function(){function e(){B(this,e)}return C(e,[{key:"doublePrecisionEnabled",get:function(){return re.getDoublePrecisionEnabled()},set:function(e){re.setDoublePrecisionEnabled(e)}},{key:"maxDataTextureHeight",get:function(){return xa},set:function(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),xa=e}},{key:"maxGeometryBatchSize",get:function(){return wa},set:function(e){e<1e5?e=1e5:e>5e6&&(e=5e6),wa=e}}]),e}(),Pa=new Ba,Ca=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Pa.maxGeometryBatchSize;B(this,e),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]})),Ma=re.mat4(),Ea=re.mat4();function Fa(e,t,i){for(var r=e.length,s=new Uint16Array(r),n=t[0],o=t[1],a=t[2],l=t[3]-n,u=t[4]-o,c=t[5]-a,A=65525,h=A/l,d=A/u,p=A/c,f=function(e){return e>=0?e:0},v=0;v<r;v+=3)s[v+0]=Math.floor(f(e[v+0]-n)*h),s[v+1]=Math.floor(f(e[v+1]-o)*d),s[v+2]=Math.floor(f(e[v+2]-a)*p);return re.identityMat4(Ma),re.translationMat4v(t,Ma),re.identityMat4(Ea),re.scalingMat4v([l/A,u/A,c/A],Ea),re.mulMat4(Ma,Ea,i),s}function ka(e,t){var i=e[0],r=e[1],s=e[2],n=e[3]-i,o=e[4]-r,a=e[5]-s,l=65525;return re.identityMat4(Ma),re.translationMat4v(e,Ma),re.identityMat4(Ea),re.scalingMat4v([n/l,o/l,a/l],Ea),re.mulMat4(Ma,Ea,t),t}function Ia(e,t,i){var r=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),s=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){var n,o;n=(1-Math.abs(s))*(r>=0?1:-1),o=(1-Math.abs(r))*(s>=0?1:-1),r=n,s=o}return new Int8Array([Math[t](127.5*r+(r<0?-1:0)),Math[i](127.5*s+(s<0?-1:0))])}function Da(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}var Sa=re.mat4(),Ta=re.mat4(),La=re.vec4([0,0,0,1]),Ra=re.vec3(),Ua=re.vec3(),Oa=re.vec3(),Na=re.vec3(),Qa=re.vec3(),Va=re.vec3(),Ha=re.vec3(),ja=function(){function e(t){B(this,e),this.model=t.model,this.sortId="TrianglesBatchingLayer"+(t.solid?"-solid":"-surface")+(t.autoNormals?"-autonormals":"-normals")+(t.textureSet&&t.textureSet.colorTexture?"-colorTexture":"")+(t.textureSet&&t.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=ba[t];return i||(i=new ya(e),ba[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete ba[t],i._destroy()}))),i}(t.model.scene),this._buffer=new Ca(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new hi({origin:re.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:t.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)),t.uvDecodeMatrix?(this._state.uvDecodeMatrix=re.mat3(t.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,t.origin&&this._state.origin.set(t.origin),this.solid=!!t.solid,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.normals,o=t.normalsCompressed,a=t.uv,l=t.uvCompressed,u=t.colors,c=t.colorsCompressed,A=t.indices,h=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,v=t.opacity,g=t.meshMatrix,m=t.pickColor,_=this.model.scene,y=this._buffer,b=y.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var x=0,w=s.length;x<w;x++)y.positions.push(s[x])}else{if(!r)throw"positions expected";i=r.length/3;for(var B=0,P=r.length;B<P;B++)y.positions.push(r[B])}if(o&&o.length>0)for(var C=0,M=o.length;C<M;C++)y.normals.push(o[C]);else if(n&&n.length>0){var E=Sa;g?re.inverseMat4(re.transposeMat4(g,Ta),E):re.identityMat4(E,E),function(e,t,i,r,s){function n(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}var o,a,l,u,c,A=new Float32Array([0,0,0,0]),h=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)A[0]=t[c],A[1]=t[c+1],A[2]=t[c+2],re.transformVec3(e,A,h),re.normalizeVec3(h,h),a=o=Ia(h,"floor","floor"),l=u=n(h,Da(o)),(l=n(h,Da(o=Ia(h,"ceil","floor"))))>u&&(a=o,u=l),(l=n(h,Da(o=Ia(h,"floor","ceil"))))>u&&(a=o,u=l),(l=n(h,Da(o=Ia(h,"ceil","ceil"))))>u&&(a=o,u=l),r[s+c+0]=a[0],r[s+c+1]=a[1],r[s+c+2]=0}(E,n,n.length,y.normals,y.normals.length)}if(u)for(var F=0,k=u.length;F<k;F+=3)y.colors.push(255*u[F]),y.colors.push(255*u[F+1]),y.colors.push(255*u[F+2]),y.colors.push(255);else if(c)for(var I=0,D=u.length;I<D;I+=3)y.colors.push(u[I]),y.colors.push(u[I+1]),y.colors.push(u[I+2]),y.colors.push(255);else if(d)for(var S=d[0],T=d[1],L=d[2],R=v,U=0;U<i;U++)y.colors.push(S),y.colors.push(T),y.colors.push(L),y.colors.push(R);for(var O=null!=p?p:0,N=null!=f?f:255,Q=0;Q<i;Q++)y.metallicRoughness.push(O),y.metallicRoughness.push(N);if(a&&a.length>0)for(var V=0,H=a.length;V<H;V++)y.uv.push(a[V]);else if(l&&l.length>0)for(var j=0,G=l.length;j<G;j++)y.uv.push(l[j]);for(var z=0,W=A.length;z<W;z++)y.indices.push(b+A[z]);if(h)for(var K=0,X=h.length;K<X;K++)y.edgeIndices.push(b+h[K]);for(var J=y.pickColors.length,Y=J,Z=J+4*i;Y<Z;Y+=4)y.pickColors.push(m[0]),y.pickColors.push(m[1]),y.pickColors.push(m[2]),y.pickColors.push(m[3]);if(_.entityOffsetsEnabled)for(var q=0;q<i;q++)y.offsets.push(0),y.offsets.push(0),y.offsets.push(0);var $=this._portions.length,ee={vertsBaseIndex:b,numVerts:i,indicesBaseIndex:y.indices.length-A.length,numIndices:A.length};return _.readableGeometryEnabled&&(ee.indices=A,_.entityOffsetsEnabled&&(ee.offset=new Float32Array(3))),this._portions.push(ee),this._numPortions++,this.model.numPortions++,this._numVerts+=ee.numVerts,this._meshes.push(e),$}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){var r=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Fa(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=re.mat4());if(e.positionsBuf=new Wt(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(var s=0,n=this._portions.length;s<n;s++){var o=this._portions[s],a=3*o.vertsBaseIndex,l=a+3*o.numVerts;o.quantizedPositions=r.slice(a,l)}}if(i.normals.length>0){var u=new Int8Array(i.normals);e.normalsBuf=new Wt(t,t.ARRAY_BUFFER,u,i.normals.length,3,t.STATIC_DRAW,!0)}if(i.colors.length>0){var c=new Uint8Array(i.colors);e.colorsBuf=new Wt(t,t.ARRAY_BUFFER,c,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.uv.length>0)if(e.uvDecodeMatrix){e.uvBuf=new Wt(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,!1)}else{var A=zi.getUVBounds(i.uv),h=zi.compressUVs(i.uv,A.min,A.max),d=h.quantized;e.uvDecodeMatrix=re.mat3(h.decodeMatrix),e.uvBuf=new Wt(t,t.ARRAY_BUFFER,d,d.length,2,t.STATIC_DRAW,!1)}if(i.metallicRoughness.length>0){var p=new Uint8Array(i.metallicRoughness);e.metallicRoughnessBuf=new Wt(t,t.ARRAY_BUFFER,p,i.metallicRoughness.length,2,t.STATIC_DRAW,!1)}if(i.positions.length>0){var f=i.positions.length/3,v=new Float32Array(f);e.flagsBuf=new Wt(t,t.ARRAY_BUFFER,v,v.length,1,t.DYNAMIC_DRAW,!1)}if(i.pickColors.length>0){var g=new Uint8Array(i.pickColors);e.pickColorsBuf=new Wt(t,t.ARRAY_BUFFER,g,i.pickColors.length,4,t.STATIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var m=new Float32Array(i.offsets);e.offsetsBuf=new Wt(t,t.ARRAY_BUFFER,m,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var _=new Uint32Array(i.indices);e.indicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,_,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){var y=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,y,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}}},{key:"isEmpty",value:function(){return!this._state.indicesBuf}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Ye&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Je&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Ye?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Je?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=e,r=this._portions[i],s=4*r.vertsBaseIndex,n=4*r.numVerts,o=this._scratchMemory.getUInt8Array(n),a=t[0],l=t[1],u=t[2],c=t[3],A=0;A<n;A+=4)o[A+0]=a,o[A+1]=l,o[A+2]=u,o[A+3]=c;this._state.colorsBuf&&this._state.colorsBuf.setData(o,s,n)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=e,a=this._portions[o],l=a.vertsBaseIndex,u=a.numVerts,c=l,A=u,h=!!(t&Ke),d=!!(t&qe),p=!!(t&$e),f=!!(t&et),v=!!(t&tt),g=!!(t&Je),m=!!(t&Xe);s=!h||m||d||p&&!this.model.scene.highlightMaterial.glowThrough||f&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,n=!h||m?Uo.NOT_RENDERED:f?Uo.SILHOUETTE_SELECTED:p?Uo.SILHOUETTE_HIGHLIGHTED:d?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;var _=0;_=!h||m?Uo.NOT_RENDERED:f?Uo.EDGES_SELECTED:p?Uo.EDGES_HIGHLIGHTED:d?Uo.EDGES_XRAYED:v?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED;var y=h&&!m&&g?Uo.PICK:Uo.NOT_RENDERED,b=t&Ye?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var x=c,w=c+A;x<w;x++){var B=0;B|=s,B|=n<<4,B|=_<<8,B|=y<<12,B|=b<<16,this._deferredFlagValues[x]=B}}else if(this._state.flagsBuf){for(var P=this._scratchMemory.getFloat32Array(A),C=0;C<A;C++){var M=0;M|=s,M|=n<<4,M|=_<<8,M|=y<<12,M|=b<<16,P[C]=M}this._state.flagsBuf.setData(P,c,A)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=e,r=this._portions[i],s=3*r.vertsBaseIndex,n=3*r.numVerts,o=this._scratchMemory.getFloat32Array(n),a=t[0],l=t[1],u=t[2],c=0;c<n;c+=3)o[c+0]=a,o[c+1]=l,o[c+2]=u;this._state.offsetsBuf&&this._state.offsetsBuf.setData(o,s,n),this.model.scene.readableGeometryEnabled&&(r.offset[0]=t[0],r.offset[1]=t[1],r.offset[2]=t[2])}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portions[e];if(r){var s=r.quantizedPositions,n=this.model.matrix,o=re.vec4();o.set(i.origin,0),o[3]=1,re.mulMat4v4(n,o,o);for(var a=o[0],l=o[1],u=o[2],c=La,A=i.positionsDecodeMatrix,h=0,d=s.length;h<d;h+=3)c[0]=s[h],c[1]=s[h+1],c[2]=s[h+2],c[3]=1,re.decompressPosition(c,A),c[3]=1,re.mulMat4v4(n,c,c),c[0]+=a,c[1]+=l,c[2]+=u,t(c)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portions[e];if(i)for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}}},{key:"getElementsCountAndOffset",value:function(e){var t=null,i=null,r=this._portions[e];return r&&(t=r.numIndices,i=r.indicesBaseIndex),{count:t,offset:i}}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Uo.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state,o=this._portions[e];if(!o)return this.model.error("portion not found: "+e),!1;var a=o.quantizedPositions,l=o.indices,u=n.origin,c=o.offset,A=Ra,h=Ua;A.set(u?re.subVec3(t,u,Oa):t),h.set(i),c&&re.subVec3(A,c),re.transformRay(this.model.worldNormalMatrix,A,h,A,h);for(var d=Na,p=Qa,f=Va,v=!1,g=0,m=Ha,_=0,y=l.length;_<y;_+=3){var b=3*l[_],x=3*l[_+1],w=3*l[_+2];if(d[0]=a[b],d[1]=a[b+1],d[2]=a[b+2],p[0]=a[x],p[1]=a[x+1],p[2]=a[x+2],f[0]=a[w],f[1]=a[w+1],f[2]=a[w+2],re.decompressPosition(d,n.positionsDecodeMatrix),re.decompressPosition(p,n.positionsDecodeMatrix),re.decompressPosition(f,n.positionsDecodeMatrix),re.rayTriangleIntersect(A,h,d,p,f,m)){re.transformPoint3(this.model.worldMatrix,m,m),c&&re.addVec3(m,c),u&&re.addVec3(m,u);var B=Math.abs(re.lenVec3(re.subVec3(m,t,[])));(!v||B>g)&&(g=B,r.set(m),s&&re.triangleNormal(d,p,f,s),v=!0)}}return v&&s&&(re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),v}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}]),e}(),Ga=function(e){g(i,Go);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return B(this,i),t.call(this,e,r,{instancing:!0,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++)}}]),i}(),za=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t,i,r=this._scene,s=r._sectionPlanesState,n=r._lightsState,o=s.getNumAllocatedSectionPlanes()>0,a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),r.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),r.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),e=0,t=n.lights.length;e<t;e++)"ambient"!==(i=n.lights[e]).type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),o&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),r.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),e=0,t=n.lights.length;e<t;e++)if("ambient"!==(i=n.lights[e]).type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),r.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),o&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):r.push("    outColor           = newColor;"),r.push("}"),r}}]),i}(),Wa=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=i._lightsState,n=r.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry flat-shading drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),i.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),n){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;"),e=0,t=s.lights.length;e<t;e++){var u=s.lights[e];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")))}if(o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),n){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var c=0,A=r.getNumAllocatedSectionPlanes();c<A;c++)o.push("if (sectionPlaneActive"+c+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+c+".xyz, vWorldPosition.xyz - sectionPlanePos"+c+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}for(o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),e=0,t=s.lights.length;e<t;e++){var h=s.lights[e];if("ambient"!==h.type){if("dir"===h.type)"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===h.type)"view"===h.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==h.type)continue;"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return o.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):o.push("    outColor           = fragColor;"),i.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),Ka=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing fill fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = newColor;"),r.push("}"),r}}]),i}(),Xa=function(e){g(i,Ga);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0,edges:!0})}return C(i)}(),Ja=function(e){g(i,Xa);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Ya=function(e){g(i,Xa);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Za=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),qa=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),$a=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),el=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),tl=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry depth drawing fragment shader"),n.push("precision highp float;"),n.push("precision highp int;"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}}]),i}(),il=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),rl=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),sl={3e3:"linearToLinear",3001:"sRGBToLinear"},nl=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Instancing geometry quality drawing vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("in vec4 modelMatrixCol0;"),n.push("in vec4 modelMatrixCol1;"),n.push("in vec4 modelMatrixCol2;"),n.push("in vec4 modelNormalMatrixCol0;"),n.push("in vec4 modelNormalMatrixCol1;"),n.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),n.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),n.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),n.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Instancing geometry quality drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)o.push("uniform bool sectionPlaneActive"+c+";"),o.push("uniform vec3 sectionPlanePos"+c+";"),o.push("uniform vec3 sectionPlaneDir"+c+";")}if(o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),o.push("              return normalize(surf_norm );"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3    diffuseColor;"),o.push("   float   specularRoughness;"),o.push("   vec3    specularColor;"),o.push("   float   shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = "+sl[r.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = "+sl[r.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction = normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction = normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),ol=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),al=function(e){g(i,Ga);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),ll=re.vec3(),ul=re.vec3(),cl=re.vec3(),Al=re.vec3(),hl=re.mat4(),dl=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=ll;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=ul;if(l){var g=re.transformPoint3(c,l,cl);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,hl),(p=Al)[0]=o.eye[0]-v[0],p[1]=o.eye[1]-v[1],p[2]=o.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,p),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),pl=re.vec3(),fl=re.vec3(),vl=re.vec3(),gl=re.vec3(),ml=re.mat4(),_l=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=pl;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=fl;if(l){var g=re.transformPoint3(c,l,vl);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,ml),(p=gl)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),yl=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new Ka(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Za(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new qa(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new dl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new _l(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new za(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new za(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new Wa(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Wa(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new al(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new al(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new al(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new al(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new nl(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new nl(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Ka(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new tl(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new il(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Ja(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Ya(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Za(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new $a(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new ol(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new qa(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new el(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new rl(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new _l(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new dl(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),bl={};var xl=new Uint8Array(4),wl=new Float32Array(1),Bl=re.vec4([0,0,0,1]),Pl=new Float32Array(3),Cl=re.vec3(),Ml=re.vec3(),El=re.vec3(),Fl=re.vec3(),kl=re.vec3(),Il=re.vec3(),Dl=re.vec3(),Sl=new Float32Array(4),Tl=function(){function e(t){B(this,e),this.model=t.model,this.sortId="TrianglesInstancingLayer"+(t.solid?"-solid":"-surface")+(t.normals?"-normals":"-autoNormals"),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=bl[t];return i||(i=new yl(e),bl[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete bl[t],i._destroy()}))),i}(t.model.scene),this._aabb=re.collapseAABB3(),this._state=new hi({numInstances:0,obb:re.OBB3(),origin:re.vec3(),geometry:t.geometry,textureSet:t.textureSet,pbrSupported:!1,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&this._state.origin.set(t.origin),this._finalized=!1,this.solid=!!t.solid,this.numIndices=t.geometry.numIndices,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.metallic,s=t.roughness,n=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,o=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";var l=i[0],u=i[1],c=i[2];if(this._colors.push(l),this._colors.push(u),this._colors.push(c),this._colors.push(n),this._metallicRoughness.push(null!=r?r:0),this._metallicRoughness.push(null!=s?s:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(o[0]),this._modelMatrixCol0.push(o[4]),this._modelMatrixCol0.push(o[8]),this._modelMatrixCol0.push(o[12]),this._modelMatrixCol1.push(o[1]),this._modelMatrixCol1.push(o[5]),this._modelMatrixCol1.push(o[9]),this._modelMatrixCol1.push(o[13]),this._modelMatrixCol2.push(o[2]),this._modelMatrixCol2.push(o[6]),this._modelMatrixCol2.push(o[10]),this._modelMatrixCol2.push(o[14]),this._state.geometry.normals){var A=re.transposeMat4(o,re.mat4()),h=re.inverseMat4(A);this._modelNormalMatrixCol0.push(h[0]),this._modelNormalMatrixCol0.push(h[4]),this._modelNormalMatrixCol0.push(h[8]),this._modelNormalMatrixCol0.push(h[12]),this._modelNormalMatrixCol1.push(h[1]),this._modelNormalMatrixCol1.push(h[5]),this._modelNormalMatrixCol1.push(h[9]),this._modelNormalMatrixCol1.push(h[13]),this._modelNormalMatrixCol2.push(h[2]),this._modelNormalMatrixCol2.push(h[6]),this._modelNormalMatrixCol2.push(h[10]),this._modelNormalMatrixCol2.push(h[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;var d=this._portions.length,p={};return this.model.scene.readableGeometryEnabled&&(p.matrix=o.slice(),p.inverseMatrix=null,p.normalMatrix=null),this._portions.push(p),this._numPortions++,this.model.numPortions++,this._meshes.push(e),d}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=e.geometry,i=e.textureSet,r=this.model.scene.canvas.gl,s=this._colors.length,n=s/4;if(s>0){e.colorsBuf=new Wt(r,r.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,r.DYNAMIC_DRAW,!1),this._colors=[]}if(this._metallicRoughness.length>0){var o=new Uint8Array(this._metallicRoughness);e.metallicRoughnessBuf=new Wt(r,r.ARRAY_BUFFER,o,this._metallicRoughness.length,2,r.STATIC_DRAW,!1)}if(n>0){e.flagsBuf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(n),n,1,r.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){e.offsetsBuf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,r.DYNAMIC_DRAW,!1),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){e.positionsBuf=new Wt(r,r.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,r.STATIC_DRAW,!1),e.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){var a=new Uint8Array(t.colorsCompressed);e.colorsBuf=new Wt(r,r.ARRAY_BUFFER,a,a.length,4,r.STATIC_DRAW,!1)}if(t.uvCompressed&&t.uvCompressed.length>0){var l=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new Wt(r,r.ARRAY_BUFFER,l,l.length,2,r.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new Wt(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,r.STATIC_DRAW),e.numIndices=t.indices.length),t.edgeIndices&&t.edgeIndices.length>0&&(e.edgeIndicesBuf=new Wt(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,r.STATIC_DRAW)),this._modelMatrixCol0.length>0){var u=!1;e.modelMatrixCol0Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelMatrixCol1Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelMatrixCol2Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol1Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol2Buf=new Wt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){e.pickColorsBuf=new Wt(r,r.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,r.STATIC_DRAW,!1),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Ye&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Je&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Ye?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Je?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";xl[0]=t[0],xl[1]=t[1],xl[2]=t[2],xl[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(xl,4*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ke),s=!!(t&qe),n=!!(t&$e),o=!!(t&et),a=!!(t&tt),l=!!(t&Je),u=!!(t&Xe),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.SILHOUETTE_SELECTED:n?Uo.SILHOUETTE_HIGHLIGHTED:s?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED)<<4,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.EDGES_SELECTED:n?Uo.EDGES_HIGHLIGHTED:s?Uo.EDGES_XRAYED:a?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED)<<8,c|=(r&&!u&&l?Uo.PICK:Uo.NOT_RENDERED)<<12,c|=(t&Ye?1:0)<<16,wl[0]=c,this._state.flagsBuf&&this._state.flagsBuf.setData(wl,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Pl[0]=t[0],Pl[1]=t[1],Pl[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Pl,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state,r=i.geometry,s=this._portions[e];if(s){var n=r.positionsCompressed,o=this.model.matrix,a=re.vec4();a.set(i.origin,0),a[3]=1,re.mulMat4v4(o,a,a);for(var l=a[0],u=a[1],c=a[2],A=Bl,h=s.matrix,d=i.positionsDecodeMatrix,p=0,f=n.length;p<f;p+=3)A[0]=n[p],A[1]=n[p+1],A[2]=n[p+2],re.decompressPosition(A,d),re.transformPoint3(h,A,A),A[3]=1,re.mulMat4v4(o,A,A),A[0]+=l,A[1]+=u,A[2]+=c,t(A)}else this.model.error("portion not found: "+e)}},{key:"getEachIndex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state.geometry;if(this._portions[e])for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Sl[0]=t[0],Sl[1]=t[4],Sl[2]=t[8],Sl[3]=t[12],this._state.modelMatrixCol0Buf.setData(Sl,i),Sl[0]=t[1],Sl[1]=t[5],Sl[2]=t[9],Sl[3]=t[13],this._state.modelMatrixCol1Buf.setData(Sl,i),Sl[0]=t[2],Sl[1]=t[6],Sl[2]=t[10],Sl[3]=t[14],this._state.modelMatrixCol2Buf.setData(Sl,i)}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_XRAYED)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_SELECTED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state.geometry,o=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=re.inverseMat4(a.matrix,re.mat4())),s&&!a.normalMatrix&&(a.normalMatrix=re.transposeMat4(a.inverseMatrix,re.mat4()));var l=n.quantizedPositions,u=n.indices,c=o.origin,A=a.offset,h=Cl,d=Ml;h.set(c?re.subVec3(t,c,El):t),d.set(i),A&&re.subVec3(h,A),re.transformRay(this.model.worldNormalMatrix,h,d,h,d),re.transformRay(a.inverseMatrix,h,d,h,d);for(var p=Fl,f=kl,v=Il,g=!1,m=0,_=Dl,y=0,b=u.length;y<b;y+=3){var x=3*u[y+0],w=3*u[y+1],B=3*u[y+2];p[0]=l[x],p[1]=l[x+1],p[2]=l[x+2],f[0]=l[w],f[1]=l[w+1],f[2]=l[w+2],v[0]=l[B],v[1]=l[B+1],v[2]=l[B+2];var P=o.geometry.positionsDecodeMatrix;if(re.decompressPosition(p,P),re.decompressPosition(f,P),re.decompressPosition(v,P),re.rayTriangleIntersect(h,d,p,f,v,_)){re.transformPoint3(a.matrix,_,_),re.transformPoint3(this.model.worldMatrix,_,_),A&&re.addVec3(_,A),c&&re.addVec3(_,c);var C=Math.abs(re.lenVec3(re.subVec3(_,t,[])));(!g||C>m)&&(m=C,r.set(_),s&&re.triangleNormal(p,f,v,s),g=!0)}}return g&&s&&(re.transformVec3(a.normalMatrix,s,s),re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),g}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}]),e}(),Ll=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),s&&r.drawElements++}}]),i}(),Rl=function(e){g(i,Ll);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Ul=function(e){g(i,Ll);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),Ol=re.vec3(),Nl=re.vec3(),Ql=re.vec3(),Vl=re.vec3(),Hl=re.mat4(),jl=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Ol;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Nl;if(l){var g=Ql;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,Hl),(p=Vl)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Gl=re.vec3(),zl=re.vec3(),Wl=re.vec3(),Kl=re.vec3(),Xl=re.mat4(),Jl=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Gl;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=zl;if(l){var g=Wl;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,Xl),(p=Kl)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Yl=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Rl(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Ul(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new jl(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Jl(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Zl={};var ql=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:5e6;B(this,e),t>5e6&&(t=5e6),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]})),$l=function(){function e(t){var i,r,s;B(this,e),this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=Zl[r])||(s=new Yl(i),Zl[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete Zl[r],s._destroy()}))),s),this.model=t.model,this._buffer=new ql(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new hi({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin)),this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.indices,o=t.color,a=t.opacity,l=this._buffer,u=l.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var c=0,A=s.length;c<A;c++)l.positions.push(s[c])}else{if(!r)throw"positions expected";i=r.length/3;for(var h=0,d=r.length;h<d;h++)l.positions.push(r[h])}if(o)for(var p=o[0],f=o[1],v=o[2],g=a,m=0;m<i;m++)l.colors.push(p),l.colors.push(f),l.colors.push(v),l.colors.push(g);if(n)for(var _=0,y=n.length;_<y;_++)l.indices.push(n[_]+u);if(this.model.scene.entityOffsetsEnabled)for(var b=0;b<i;b++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);var x=this._portions.length/2;return this._portions.push(u),this._portions.push(i),this._numPortions++,this.model.numPortions++,this._numVerts+=i,this._meshes.push(e),x}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){var r=new Uint16Array(i.positions);e.positionsBuf=new Wt(t,t.ARRAY_BUFFER,r,i.positions.length,3,t.STATIC_DRAW)}else{var s=Fa(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Wt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){var n=new Uint8Array(i.colors);e.colorsBuf=new Wt(t,t.ARRAY_BUFFER,n,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.colors.length>0){var o=i.colors.length/4,a=new Float32Array(o);e.flagsBuf=new Wt(t,t.ARRAY_BUFFER,a,a.length,1,t.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var l=new Float32Array(i.offsets);e.offsetsBuf=new Wt(t,t.ARRAY_BUFFER,l,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var u=new Uint32Array(i.indices);e.indicesBuf=new Wt(t,t.ELEMENT_ARRAY_BUFFER,u,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Ye&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Je&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Ye?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Je?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=t[3],c=0;c<s;c+=4)n[c+0]=o,n[c+1]=a,n[c+2]=l,n[c+3]=u;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=2*e,a=this._portions[o],l=this._portions[o+1],u=a,c=l,A=!!(t&Ke),h=!!(t&qe),d=!!(t&$e),p=!!(t&et),f=!!(t&Je),v=!!(t&Xe);s=!A||v||h||d&&!this.model.scene.highlightMaterial.glowThrough||p&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,n=!A||v?Uo.NOT_RENDERED:p?Uo.SILHOUETTE_SELECTED:d?Uo.SILHOUETTE_HIGHLIGHTED:h?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;var g=A&&!v&&f?Uo.PICK:Uo.NOT_RENDERED,m=t&Ye?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var _=u,y=u+c;_<y;_++){var b=0;b|=s,b|=n<<4,b|=g<<12,b|=m<<16,this._deferredFlagValues[_]=b}}else if(this._state.flagsBuf){for(var x=this._scratchMemory.getFloat32Array(c),w=0;w<c;w++){var B=0;B|=s,B|=n<<4,B|=g<<12,B|=m<<16,x[w]=B}this._state.flagsBuf.setData(x,u,c)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e){}},{key:"drawPickDepths",value:function(e){}},{key:"drawPickNormals",value:function(e){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawOcclusion",value:function(e){}},{key:"drawShadow",value:function(e){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}]),e}(),eu=function(e){g(i,Go);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++}}]),i}(),tu=function(e){g(i,eu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Lines instancing color fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):n.push("    outColor           = vColor;"),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),iu=function(e){g(i,eu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),ru=re.vec3(),su=re.vec3(),nu=re.vec3();re.vec3();var ou=re.mat4(),au=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=ru;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=su;if(l){var v=re.transformPoint3(c,l,nu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=He(h,f,ou),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),lu=re.vec3(),uu=re.vec3(),cu=re.vec3();re.vec3();var Au=re.mat4(),hu=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=lu;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=uu;if(l){var v=re.transformPoint3(c,l,cu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=He(h,f,Au),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),du=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._snapInitRenderer||(this._snapInitRenderer=new au(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new hu(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new tu(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new iu(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new au(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new hu(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),pu={};var fu=new Uint8Array(4),vu=new Float32Array(1),gu=new Float32Array(3),mu=new Float32Array(4),_u=function(){function e(t){var i,r,s;B(this,e),this.model=t.model,this.material=t.material,this.sortId="LinesInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=pu[r])||(s=new du(i),pu[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete pu[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new hi({obb:re.OBB3(),numInstances:0,origin:null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&(this._state.origin=re.vec3(t.origin)),this._finalized=!1,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.opacity,s=t.meshMatrix;if(this._finalized)throw"Already finalized";var n=i[0],o=i[1],a=i[2];i[3],this._colors.push(n),this._colors.push(o),this._colors.push(a),this._colors.push(r),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(s[0]),this._modelMatrixCol0.push(s[4]),this._modelMatrixCol0.push(s[8]),this._modelMatrixCol0.push(s[12]),this._modelMatrixCol1.push(s[1]),this._modelMatrixCol1.push(s[5]),this._modelMatrixCol1.push(s[9]),this._modelMatrixCol1.push(s[13]),this._modelMatrixCol2.push(s[2]),this._modelMatrixCol2.push(s[6]),this._modelMatrixCol2.push(s[10]),this._modelMatrixCol2.push(s[14]),this._state.numInstances++;var l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,r=this._colors.length,s=r/4;if(r>0){this._state.colorsBuf=new Wt(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,!1),this._colors=[]}if(s>0){this._state.flagsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(s),s,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){this._state.offsetsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){var n=new Uint8Array(i.colorsCompressed);t.colorsBuf=new Wt(e,e.ARRAY_BUFFER,n,n.length,4,e.STATIC_DRAW,!1)}if(i.positionsCompressed&&i.positionsCompressed.length>0){t.positionsBuf=new Wt(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,!1),t.positionsDecodeMatrix=re.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new Wt(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){var o=!1;this._state.modelMatrixCol0Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol1Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol2Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,o),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Ye&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Je&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Ye?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Je?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";fu[0]=t[0],fu[1]=t[1],fu[2]=t[2],fu[3]=t[3],this._state.colorsBuf.setData(fu,4*e,4)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ke),s=!!(t&qe),n=!!(t&$e),o=!!(t&et),a=!!(t&tt),l=!!(t&Je),u=!!(t&Xe),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.SILHOUETTE_SELECTED:n?Uo.SILHOUETTE_HIGHLIGHTED:s?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED)<<4,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.EDGES_SELECTED:n?Uo.EDGES_HIGHLIGHTED:s?Uo.EDGES_XRAYED:a?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED)<<8,c|=(r&&!u&&l?Uo.PICK:Uo.NOT_RENDERED)<<12,c|=(t&Ye?255:0)<<16,vu[0]=c,this._state.flagsBuf.setData(vu,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(gu[0]=t[0],gu[1]=t[1],gu[2]=t[2],this._state.offsetsBuf.setData(gu,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;mu[0]=t[0],mu[1]=t[4],mu[2]=t[8],mu[3]=t[12],this._state.modelMatrixCol0Buf.setData(mu,i),mu[0]=t[1],mu[1]=t[5],mu[2]=t[9],mu[3]=t[13],this._state.modelMatrixCol1Buf.setData(mu,i),mu[0]=t[2],mu[1]=t[6],mu[2]=t[10],mu[3]=t[14],this._state.modelMatrixCol2Buf.setData(mu,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}]),e}(),yu=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),s&&r.drawArrays++}}]),i}(),bu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,r=[];return r.push("#version 300 es"),r.push("// Points batching color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),xu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform vec4 color;"),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points batching silhouette vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = color;"),n.push("}"),n}}]),i}(),wu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),Bu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batched pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batched pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),Pu=function(e){g(i,yu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("  gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),r.push("}"),r}}]),i}(),Cu=re.vec3(),Mu=re.vec3(),Eu=re.vec3(),Fu=re.vec3(),ku=re.mat4(),Iu=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Cu;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Mu;if(l){var g=Eu;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,ku),(p=Fu)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible),o.uniform1f(this._uPointSize,1);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Du=re.vec3(),Su=re.vec3(),Tu=re.vec3(),Lu=re.vec3(),Ru=re.mat4(),Uu=function(e){g(i,Go);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Du;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Su;if(l){var g=Tu;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=He(h,v,Ru),(p=Lu)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Ou=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new bu(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new xu(this._scene)),this._silhouetteRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new wu(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Bu(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new Pu(this._scene)),this._occlusionRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Iu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Uu(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Nu={};var Qu=function(){function e(t){B(this,e),this.model=t.model,this.sortId="PointsBatchingLayer",this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=Nu[t];return i||(i=new Ou(e),Nu[t]=i,i._compile(),e.on("compile",(function(){i._compile()})),e.on("destroyed",(function(){delete Nu[t],i._destroy()}))),i}(t.model.scene);var i=t.maxGeometryBatchSize||5e6,r=function(){var e=[];return{append:function(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e.push({data:t,times:i,denormalizeScale:r})},compileBuffer:function(t){var i=0;e.forEach((function(e){i+=e.times*e.data.length}));var r=new t(i),s=0;return e.forEach((function(e){var t=e.data,i=e.denormalizeScale,n=r.subarray(s);if(1===i)n.set(t,0);else for(var o=0;o<t.length;++o)n[o]=t[o]*i;for(var a=t.length,l=e.times*t.length;a<l;){var u=Math.min(a,l-a);n.set(n.subarray(0,u),a),a+=u}s+=a})),r}}};this._buffer={maxVerts:i,positions:r(),colors:r(),pickColors:r(),vertsIndex:0},this._scratchMemory=t.scratchMemory,this._state=new hi({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin))}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i=this._buffer,r=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!r)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(r);var s=r.length/3,n=t.color,o=t.colorsCompressed,a=t.colors,l=t.pickColor;o?i.colors.append(o):a?i.colors.append(a,1,255):n&&i.colors.append([n[0],n[1],n[2],1],s),i.pickColors.append(l.slice(0,4),s),re.expandAABB3(this._modelAABB,t.aabb);var u=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(s),this._buffer.vertsIndex+=s,this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,r=function(e,i,r){return e.length>0?new Wt(t,t.ARRAY_BUFFER,e,e.length,i,r):null},s=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):Fa(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=r(s,3,t.STATIC_DRAW),e.flagsBuf=r(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=r(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=r(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?r(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Ye&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Je&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized"}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Ye?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Je?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=4)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r,s,n=2*e,o=this._portions[n],a=this._portions[n+1],l=this._scratchMemory.getFloat32Array(a),u=!!(t&Ke),c=!!(t&qe),A=!!(t&$e),h=!!(t&et),d=!!(t&Je),p=!!(t&Xe);r=!u||p||c||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,s=!u||p?Uo.NOT_RENDERED:h?Uo.SILHOUETTE_SELECTED:A?Uo.SILHOUETTE_HIGHLIGHTED:c?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;for(var f=u&&!p&&d?Uo.PICK:Uo.NOT_RENDERED,v=t&Ye?1:0,g=0;g<a;g++){var m=0;m|=r,m|=s<<4,m|=f<<12,m|=v<<16,l[g]=m}this._state.flagsBuf.setData(l,o)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),Vu=function(e){g(i,Go);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),s&&r.drawArrays++}}]),i}(),Hu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),ju=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 color;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),r.push("uniform vec4 silhouetteColor;"),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Gu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick mesh fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),zu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("  vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),Wu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 color;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Ku=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points instancing depth vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("const float   packUpScale = 256. / 255.;"),n.push("const float   unpackDownscale = 255. / 256.;"),n.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),n.push("const float   shiftRight8 = 1.0 / 256.;"),n.push("vec4 packDepthToRGBA( const in float v ) {"),n.push("    vec4 r = vec4( fract( v * packFactors ), v );"),n.push("    r.yzw -= r.xyz * shiftRight8;"),n.push("    return r * packUpScale;"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return n.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),Xu=function(e){g(i,Vu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),Ju=re.vec3(),Yu=re.vec3(),Zu=re.vec3();re.vec3();var qu=re.mat4(),$u=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=Ju;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=Yu;if(l){var v=re.transformPoint3(c,l,Zu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=He(h,f,qu),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ec=re.vec3(),tc=re.vec3(),ic=re.vec3();re.vec3();var rc=re.mat4(),sc=function(e){g(i,Go);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=ec;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=tc;if(l){var v=re.transformPoint3(c,l,ic);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=He(h,f,rc),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),nc=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Hu(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ju(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new Ku(this._scene)),this._depthRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Gu(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new zu(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new Wu(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new Xu(this._scene)),this._shadowRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new $u(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new sc(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),oc={};var ac=new Uint8Array(4),lc=new Float32Array(1),uc=new Float32Array(3),cc=new Float32Array(4),Ac=function(){function e(t){var i,r,s;B(this,e),this.model=t.model,this.material=t.material,this.sortId="PointsInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=oc[r])||(s=new nc(i),oc[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete oc[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new hi({obb:re.OBB3(),numInstances:0,origin:t.origin?re.vec3(t.origin):null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.meshMatrix,r=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(r[0]),this._pickColors.push(r[1]),this._pickColors.push(r[2]),this._pickColors.push(r[3]),this._state.numInstances++;var s=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),s}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,r=i.geometry;if(t>0){i.flagsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){i.offsetsBuf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(r.positionsCompressed&&r.positionsCompressed.length>0){i.positionsBuf=new Wt(e,e.ARRAY_BUFFER,r.positionsCompressed,r.positionsCompressed.length,3,e.STATIC_DRAW,!1),i.positionsDecodeMatrix=re.mat4(r.positionsDecodeMatrix)}if(r.colorsCompressed&&r.colorsCompressed.length>0){var s=new Uint8Array(r.colorsCompressed);i.colorsBuf=new Wt(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,!1)}if(this._modelMatrixCol0.length>0){var n=!1;i.modelMatrixCol0Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,n),i.modelMatrixCol1Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,n),i.modelMatrixCol2Buf=new Wt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,n),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){i.pickColorsBuf=new Wt(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,!1),this._pickColors=[]}i.geometry=null,this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Ye&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Je&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Ye?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Je?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";ac[0]=t[0],ac[1]=t[1],ac[2]=t[2],this._state.colorsBuf.setData(ac,3*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ke),s=!!(t&qe),n=!!(t&$e),o=!!(t&et),a=!!(t&tt),l=!!(t&Je),u=!!(t&Xe),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.SILHOUETTE_SELECTED:n?Uo.SILHOUETTE_HIGHLIGHTED:s?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED)<<4,c|=(!r||u?Uo.NOT_RENDERED:o?Uo.EDGES_SELECTED:n?Uo.EDGES_HIGHLIGHTED:s?Uo.EDGES_XRAYED:a?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED)<<8,c|=(r&&!u&&l?Uo.PICK:Uo.NOT_RENDERED)<<12,c|=(t&Ye?255:0)<<16,lc[0]=c,this._state.flagsBuf.setData(lc,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(uc[0]=t[0],uc[1]=t[1],uc[2]=t[2],this._state.offsetsBuf.setData(uc,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;cc[0]=t[0],cc[1]=t[4],cc[2]=t[8],cc[3]=t[12],this._state.modelMatrixCol0Buf.setData(cc,i),cc[0]=t[1],cc[1]=t[5],cc[2]=t[9],cc[3]=t[13],this._state.modelMatrixCol1Buf.setData(cc,i),cc[0]=t[2],cc[1]=t[6],cc[2]=t[10],cc[3]=t[14],this._state.modelMatrixCol2Buf.setData(cc,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK)}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),hc=re.vec3(),dc=re.vec3(),pc=re.mat4(),fc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix,h=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=hc;if(p){var g=re.transformPoint3(A,u,dc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=He(h,v,pc)}else d=h;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=n.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(u){var E=We(M.dist,M.dir,u,hc,n.matrix);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),o.drawArrays(o.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),o.drawArrays(o.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),o.drawArrays(o.LINES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// LinesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),vc=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}},{key:"eagerCreateRenders",value:function(){}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new fc(this._scene,!1)),this._colorRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy()}}]),e}(),gc={};var mc=C((function e(){B(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]})),_c=function(){function e(){B(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindLineIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),yc=function(){function e(t,i,r,s){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;B(this,e),this._gl=t,this._texture=i,this._textureWidth=r,this._textureHeight=s,this._textureData=n}return C(e,[{key:"bindTexture",value:function(e,t,i){return e.bindTexture(t,this,i)}},{key:"bind",value:function(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}},{key:"unbind",value:function(e){}}]),e}(),bc={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(bc,null,4));var e=0;Object.keys(bc).forEach((function(t){t.startsWith("size")&&(e+=bc[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/bc.totalLines).toFixed(2)));var t={};Object.keys(bc).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((bc[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var xc=function(){function e(){B(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"generateTextureForColorsAndFlags",value:function(e,t,i,r,s){var n=t.length;this.numPortions=n;var o=4096,a=Math.ceil(n/512);if(0===a)throw"texture height===0";var l=new Uint8Array(16384*a);bc.sizeDataColorsAndFlags+=l.byteLength,bc.numberOfTextures++;for(var u=0;u<n;u++)l.set(t[u],32*u+0),l.set(i[u],32*u+4),l.set([0,0,0,0],32*u+8),l.set([0,0,0,0],32*u+12),l.set([r[u]>>24&255,r[u]>>16&255,r[u]>>8&255,255&r[u]],32*u+16),l.set([s[u]>>24&255,s[u]>>16&255,s[u]>>8&255,255&s[u]],32*u+20);var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,o,a,l)}},{key:"generateTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);bc.sizeDataTextureOffsets+=s.byteLength,bc.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,n,i,r,s)}},{key:"generateTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);bc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,a,r,s,n)}},{key:"generateTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);bc.sizeDataPositionDecodeMatrices+=n.byteLength,bc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,a,r,s)}},{key:"generateTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);bc.sizeDataTextureIndices+=n.byteLength,bc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"generateTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);bc.sizeDataTextureIndices+=n.byteLength,bc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"generateTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);bc.sizeDataTextureIndices+=n.byteLength,bc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"generateTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);bc.sizeDataTexturePositions+=o.byteLength,bc.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var c=t[a];o.set(c,l),l+=c.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,A,s,n)}},{key:"generateTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),bc.sizeDataTexturePortionIds+=n.byteLength,bc.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,o,r,s)}}]),e}(),wc=new Ba,Bc=wc.maxDataTextureHeight,Pc=new Float32Array(16),Cc=new Uint8Array(4),Mc=new Float32Array(3),Ec=0,Fc=re.identityMat4(),kc=function(){function e(t,i){var r,s,n;B(this,e),bc.numberOfLayers++,this._layerNumber=Ec++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=gc[s])||(n=new vc(r),gc[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete gc[s],n._destroy()}))),n),this.model=t,this._buffer=new mc,this._dataTextureState=new _c,this._dataTextureGenerator=new xc,this._state=new hi({origin:re.vec3(i.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&bc.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/2})),(this._state.numVertices+n>4096*Bc||s+o>4096*Bc)&&bc.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*Bc&&s+o<=4096*Bc)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/2/8)*2;bc.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}var s=t.positionsCompressed,n=t.indices,o=this._buffer;o.positionsCompressed.push(s);var a,l=o.lenPositionsCompressed/3,u=s.length/3;o.lenPositionsCompressed+=s.length;var c,A=0;n&&(A=n.length/2,u<=256?(c=o.indices8Bits,a=o.lenIndices8Bits/2,o.lenIndices8Bits+=n.length):u<=65536?(c=o.indices16Bits,a=o.lenIndices16Bits/2,o.lenIndices16Bits+=n.length):(c=o.indices32Bits,a=o.lenIndices32Bits/2,o.lenIndices32Bits+=n.length),c.push(n));return this._state.numVertices+=u,bc.numberOfGeometries++,{vertexBase:l,numVertices:u,numLines:A,indicesBase:a}}},{key:"_createSubPortion",value:function(e,t){var i,r=e.color,s=e.colors,n=e.opacity,o=e.meshMatrix,a=e.pickColor,l=this._buffer,u=this._state;l.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),l.perObjectInstancePositioningMatrices.push(o||Fc),l.perObjectSolid.push(!!e.solid),s?l.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):r&&l.perObjectColors.push([r[0],r[1],r[2],n]),l.perObjectPickColors.push(a),l.perObjectVertexBases.push(t.vertexBase),i=t.numVertices<=256?u.numIndices8Bits:t.numVertices<=65536?u.numIndices16Bits:u.numIndices32Bits,l.perObjectIndexBaseOffsets.push(i/2-t.indicesBase);var c=this._subPortions.length;if(t.numLines>0){var A,h=2*t.numLines;t.numVertices<=256?(A=l.perLineNumberPortionId8Bits,u.numIndices8Bits+=h,bc.totalLines8Bits+=t.numLines):t.numVertices<=65536?(A=l.perLineNumberPortionId16Bits,u.numIndices16Bits+=h,bc.totalLines16Bits+=t.numLines):(A=l.perLineNumberPortionId32Bits,u.numIndices32Bits+=h,bc.totalLines32Bits+=t.numLines),bc.totalLines+=t.numLines;for(var d=0;d<t.numLines;d+=8)A.push(c)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,bc.numberOfPortions++,c}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dataTextureState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId8Bits),i.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId16Bits),i.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(i.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Ye&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Je&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Ye?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Je?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;Cc[0]=t[0],Cc[1]=t[1],Cc[2]=t[2],Cc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(Cc,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,Cc))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&Ke),a=!!(t&qe),l=!!(t&$e),u=!!(t&et),c=!!(t&Je),A=!!(t&Xe);s=!o||A||a?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,n=!o||A?Uo.NOT_RENDERED:u?Uo.SILHOUETTE_SELECTED:l?Uo.SILHOUETTE_HIGHLIGHTED:a?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;var h=o&&!A&&c?Uo.PICK:Uo.NOT_RENDERED,d=this._dataTextureState,p=this.model.scene.canvas.gl;Cc[0]=s,Cc[1]=n,Cc[3]=h,d.texturePerObjectColorsAndFlags._textureData.set(Cc,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),p.bindTexture(p.TEXTURE_2D,d.texturePerObjectColorsAndFlags._texture),p.texSubImage2D(p.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,p.RGBA_INTEGER,p.UNSIGNED_BYTE,Cc))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&Ye?255:0,s=this._dataTextureState,n=this.model.scene.canvas.gl;Cc[0]=r,Cc[1]=0,Cc[2]=1,Cc[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(Cc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,Cc))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;Mc[0]=t[0],Mc[1]=t[1],Mc[2]=t[2],i.texturePerObjectOffsets._textureData.set(Mc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,Mc))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;Pc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(Pc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,Pc))}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){}},{key:"drawSilhouetteHighlighted",value:function(e,t){}},{key:"drawSilhouetteSelected",value:function(e,t){}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){}},{key:"drawSnap",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),Ic=re.vec3(),Dc=re.vec3(),Sc=re.vec3();re.vec3();var Tc=re.vec4(),Lc=re.mat4(),Rc=function(){function e(t,i){B(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=Ic;if(p){var g=re.transformPoint3(A,u,Dc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],h=He(s.viewMatrix,v,Lc),(d=Sc)[0]=s.eye[0]-v[0],d[1]=s.eye[1]-v[1],d[2]=s.eye[2]-v[2]}else h=s.viewMatrix,d=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=n.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(u){var E=We(M.dist,M.dir,u,Ic,n.matrix);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new zt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}this._uSceneModelMatrix=r.getLocation("sceneModelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=r.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState.lights,n=t.camera.project;r.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(var o=0,a=s.length;o<a;o++){var l=s[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}if(this._withSAO){var u=t.sao;if(u.possible){var c=i.drawingBufferWidth,A=i.drawingBufferHeight;Tc[0]=c,Tc[1]=A,Tc[2]=u.blendCutoff,Tc[3]=u.blendFactor,i.uniform4fv(this._uSAOParams,Tc),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){var h=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,h)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("uniform mat4 sceneModelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectMatrix;"),n.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = vec3(color.rgb) / 255.0;"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Uc=new Float32Array([1,1,1]),Oc=re.vec3(),Nc=re.vec3(),Qc=re.vec3();re.vec3();var Vc=re.mat4(),Hc=function(){function e(t,i){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix,h=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d,p;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==c[0]||0!==c[1]||0!==c[2]){var f=Oc;if(u){var v=Nc;re.transformPoint3(A,u,v),f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=c[0],f[1]+=c[1],f[2]+=c[2],d=He(h,f,Vc),(p=Qc)[0]=s.eye[0]-f[0],p[1]=s.eye[1]-f[1],p[2]=s.eye[2]-f[2]}else d=h,p=s.eye;if(o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),i===Uo.SILHOUETTE_XRAYED){var g=r.xrayMaterial._state,m=g.fillColor,_=g.fillAlpha;o.uniform4f(this._uColor,m[0],m[1],m[2],_)}else if(i===Uo.SILHOUETTE_HIGHLIGHTED){var y=r.highlightMaterial._state,b=y.fillColor,x=y.fillAlpha;o.uniform4f(this._uColor,b[0],b[1],b[2],x)}else if(i===Uo.SILHOUETTE_SELECTED){var w=r.selectedMaterial._state,B=w.fillColor,P=w.fillAlpha;o.uniform4f(this._uColor,B[0],B[1],B[2],P)}else o.uniform4fv(this._uColor,Uc);if(r.logarithmicDepthBufferEnabled){var C=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,C)}var M=r._sectionPlanesState.getNumAllocatedSectionPlanes(),E=r._sectionPlanesState.sectionPlanes.length;if(M>0)for(var F=r._sectionPlanesState.sectionPlanes,k=t.layerIndex*E,I=n.renderFlags,D=0;D<M;D++){var S=this._uSectionPlanes[D];if(S)if(D<E){var T=I.sectionPlanesActivePerLayer[k+D];if(o.uniform1i(S.active,T?1:0),T){var L=F[D];if(u){var R=We(L.dist,L.dir,u,Oc,n.matrix);o.uniform3fv(S.pos,R)}else o.uniform3fv(S.pos,L.pos);o.uniform3fv(S.dir,L.dir)}}else o.uniform1i(S.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),jc=new Float32Array([0,0,0,1]),Gc=re.vec3(),zc=re.vec3();re.vec3();var Wc=re.mat4(),Kc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=Gc;if(p){var g=re.transformPoint3(A,u,zc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=He(h,v,Wc)}else d=h;if(o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),i===Uo.EDGES_XRAYED){var m=s.xrayMaterial._state,_=m.edgeColor,y=m.edgeAlpha;o.uniform4f(this._uColor,_[0],_[1],_[2],y)}else if(i===Uo.EDGES_HIGHLIGHTED){var b=s.highlightMaterial._state,x=b.edgeColor,w=b.edgeAlpha;o.uniform4f(this._uColor,x[0],x[1],x[2],w)}else if(i===Uo.EDGES_SELECTED){var B=s.selectedMaterial._state,P=B.edgeColor,C=B.edgeAlpha;o.uniform4f(this._uColor,P[0],P[1],P[2],C)}else o.uniform4fv(this._uColor,jc);var M=s._sectionPlanesState.getNumAllocatedSectionPlanes(),E=s._sectionPlanesState.sectionPlanes.length;if(M>0)for(var F=s._sectionPlanesState.sectionPlanes,k=t.layerIndex*E,I=r.renderFlags,D=0;D<M;D++){var S=this._uSectionPlanes[D];if(S)if(D<E){var T=I.sectionPlanesActivePerLayer[k+D];if(o.uniform1i(S.active,T?1:0),T){var L=F[D];if(u){var R=We(L.dist,L.dir,u,Gc,r.matrix);o.uniform3fv(S.pos,R)}else o.uniform3fv(S.pos,L.pos);o.uniform3fv(S.dir,L.dir)}}else o.uniform1i(S.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Xc=re.vec3(),Jc=re.vec3(),Yc=re.mat4(),Zc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=n.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=Xc;if(p){var g=re.transformPoint3(A,u,Jc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=He(h,v,Yc)}else d=h;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,x=r.renderFlags,w=0;w<m;w++){var B=this._uSectionPlanes[w];if(B)if(w<_){var P=x.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(B.active,P?1:0),P){var C=y[w];if(u){var M=We(C.dist,C.dir,u,Xc,r.matrix);o.uniform3fv(B.pos,M)}else o.uniform3fv(B.pos,C.pos);o.uniform3fv(B.dir,C.dir)}}else o.uniform1i(B.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),qc=re.vec3(),$c=re.vec3(),eA=re.vec3(),tA=re.mat4(),iA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=e.pickViewMatrix||a.viewMatrix,f=e.pickProjMatrix||a.projMatrix,v=e.pickOrigin||a.eye,g=e.pickProjMatrix?e.pickZFar:a.project.far;c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==A[0]||0!==A[1]||0!==A[2],_=0!==h[0]||0!==h[1]||0!==h[2];if(m||_){var y=qc;if(m){var b=re.transformPoint3(d,A,$c);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=h[0],y[1]+=h[1],y[2]+=h[2],r=He(p,y,tA),(s=eA)[0]=v[0]-y[0],s[1]=v[1]-y[1],s[2]=v[2]-y[2]}else r=p,s=v;if(l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,f),l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),o.logarithmicDepthBufferEnabled){var x=2/(Math.log(g+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,x)}var w=o._sectionPlanesState.getNumAllocatedSectionPlanes(),B=o._sectionPlanesState.sectionPlanes.length;if(w>0)for(var P=o._sectionPlanesState.sectionPlanes,C=t.layerIndex*B,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<B){var k=M.sectionPlanesActivePerLayer[C+E];if(l.uniform1i(F.active,k?1:0),k){var I=P[E];if(A){var D=We(I.dist,I.dir,A,qc,n.matrix);l.uniform3fv(F.pos,D)}else l.uniform3fv(F.pos,I.pos);l.uniform3fv(F.dir,I.dir)}}else l.uniform1i(F.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),rA=re.vec3(),sA=re.vec3(),nA=re.vec3();re.vec3();var oA=re.mat4(),aA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=e.pickViewMatrix||a.viewMatrix,f=e.pickProjMatrix||a.projMatrix,v=e.pickOrigin||a.eye,g=e.pickProjMatrix?e.pickZFar:a.project.far;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){var m=rA;if(A){var _=sA;re.transformPoint3(d,A,_),m[0]=_[0],m[1]=_[1],m[2]=_[2]}else m[0]=0,m[1]=0,m[2]=0;m[0]+=h[0],m[1]+=h[1],m[2]+=h[2],r=He(p,m,oA),(s=nA)[0]=v[0]-m[0],s[1]=v[1]-m[1],s[2]=v[2]-m[2],e.snapPickOrigin[0]=m[0],e.snapPickOrigin[1]=m[1],e.snapPickOrigin[2]=m[2]}else r=p,s=v,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniform1f(this._uPickZNear,e.pickZNear),l.uniform1f(this._uPickZFar,e.pickZFar),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,f),o.logarithmicDepthBufferEnabled){var y=2/(Math.log(g+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,y)}var b=o._sectionPlanesState.getNumAllocatedSectionPlanes(),x=o._sectionPlanesState.sectionPlanes.length;if(b>0)for(var w=o._sectionPlanesState.sectionPlanes,B=t.layerIndex*x,P=n.renderFlags,C=0;C<b;C++){var M=this._uSectionPlanes[C];if(M)if(C<x){var E=P.sectionPlanesActivePerLayer[B+C];if(l.uniform1i(M.active,E?1:0),E){var F=w[C];if(A){var k=We(F.dist,F.dir,A,rA,n.matrix);l.uniform3fv(M.pos,k)}else l.uniform3fv(M.pos,F.pos);l.uniform3fv(M.dir,F.dir)}}else l.uniform1i(M.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),lA=re.vec3(),uA=re.vec3(),cA=re.vec3(),AA=re.vec3();re.vec3();var hA=re.mat4(),dA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=t.aabb,f=e.pickViewMatrix||a.viewMatrix,v=lA;v[0]=re.safeInv(p[3]-p[0])*re.MAX_INT,v[1]=re.safeInv(p[4]-p[1])*re.MAX_INT,v[2]=re.safeInv(p[5]-p[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){var _=uA;if(g){var y=re.transformPoint3(d,A,cA);_[0]=y[0],_[1]=y[1],_[2]=y[2]}else _[0]=0,_[1]=0,_[2]=0;_[0]+=h[0],_[1]+=h[1],_[2]+=h[2],r=He(f,_,hA),(s=AA)[0]=a.eye[0]-_[0],s[1]=a.eye[1]-_[1],s[2]=a.eye[2]-_[2],e.snapPickOrigin[0]=_[0],e.snapPickOrigin[1]=_[1],e.snapPickOrigin[2]=_[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this.uVectorA,e.snapVectorA),l.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,v),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var b=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,b);var x=o._sectionPlanesState.getNumAllocatedSectionPlanes(),w=o._sectionPlanesState.sectionPlanes.length;if(x>0)for(var B=o._sectionPlanesState.sectionPlanes,P=t.layerIndex*w,C=n.renderFlags,M=0;M<x;M++){var E=this._uSectionPlanes[M];if(E)if(M<w){var F=C.sectionPlanesActivePerLayer[P+M];if(l.uniform1i(E.active,F?1:0),F){var k=B[M];if(A){var I=We(k.dist,k.dir,A,lA,n.matrix);l.uniform3fv(E.pos,I)}else l.uniform3fv(E.pos,k.pos);l.uniform3fv(E.dir,k.dir)}}else l.uniform1i(E.active,0)}var D="edge"===e.snapMode?l.LINES:l.POINTS;u.numEdgeIndices8Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),l.drawArrays(D,0,u.numEdgeIndices8Bits)),u.numEdgeIndices16Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),l.drawArrays(D,0,u.numEdgeIndices16Bits)),u.numEdgeIndices32Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),l.drawArrays(D,0,u.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),pA=re.vec3(),fA=re.vec3(),vA=re.vec3(),gA=re.vec3();re.vec3();var mA=re.mat4(),_A=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=t.aabb,f=e.pickViewMatrix||a.viewMatrix,v=pA;v[0]=re.safeInv(p[3]-p[0])*re.MAX_INT,v[1]=re.safeInv(p[4]-p[1])*re.MAX_INT,v[2]=re.safeInv(p[5]-p[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){var _=fA;if(g){var y=vA;re.transformPoint3(d,A,y),_[0]=y[0],_[1]=y[1],_[2]=y[2]}else _[0]=0,_[1]=0,_[2]=0;_[0]+=h[0],_[1]+=h[1],_[2]+=h[2],r=He(f,_,mA),(s=gA)[0]=a.eye[0]-_[0],s[1]=a.eye[1]-_[1],s[2]=a.eye[2]-_[2],e.snapPickOrigin[0]=_[0],e.snapPickOrigin[1]=_[1],e.snapPickOrigin[2]=_[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this._uVectorA,e.snapVectorA),l.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,v),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var b=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,b);var x=o._sectionPlanesState.getNumAllocatedSectionPlanes(),w=o._sectionPlanesState.sectionPlanes.length;if(x>0)for(var B=o._sectionPlanesState.sectionPlanes,P=t.layerIndex*w,C=n.renderFlags,M=0;M<x;M++){var E=this._uSectionPlanes[M];if(E)if(M<w){var F=C.sectionPlanesActivePerLayer[P+M];if(l.uniform1i(E.active,F?1:0),F){var k=B[M];if(A){var I=We(k.dist,k.dir,A,pA,n.matrix);l.uniform3fv(E.pos,I)}else l.uniform3fv(E.pos,k.pos);l.uniform3fv(E.dir,k.dir)}}else l.uniform1i(E.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),yA=re.vec3(),bA=re.vec3(),xA=re.vec3();re.vec3();var wA=re.mat4(),BA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=e.pickViewMatrix||n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d,p;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==c[0]||0!==c[1]||0!==c[2]){var f=yA;if(u){var v=bA;re.transformPoint3(A,u,v),f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=c[0],f[1]+=c[1],f[2]+=c[2],d=He(h,f,wA),(p=xA)[0]=n.eye[0]-f[0],p[1]=n.eye[1]-f[1],p[2]=n.eye[2]-f[2]}else d=h,p=n.eye;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0)for(var _=s._sectionPlanesState.sectionPlanes,y=t.layerIndex*m,b=r.renderFlags,x=0;x<g;x++){var w=this._uSectionPlanes[x];if(w)if(x<m){var B=b.sectionPlanesActivePerLayer[y+x];if(o.uniform1i(w.active,B?1:0),B){var P=_[x];if(u){var C=We(P.dist,P.dir,u,yA,r.matrix);o.uniform3fv(w.pos,C)}else o.uniform3fv(w.pos,P.pos);o.uniform3fv(w.dir,P.dir)}}else o.uniform1i(w.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){var e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),PA=re.vec3(),CA=re.vec3(),MA=re.vec3();re.vec3();var EA=re.mat4(),FA=function(){function e(t){B(this,e),this._scene=t,this._allocate(),this._hash=this._getHash()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=PA;if(p){var g=re.transformPoint3(A,u,CA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],h=He(s.viewMatrix,v,EA),(d=MA)[0]=s.eye[0]-v[0],d[1]=s.eye[1]-v[1],d[2]=s.eye[2]-v[2]}else h=s.viewMatrix,d=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=n.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(u){var E=We(M.dist,M.dir,u,PA,n.matrix);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),kA=re.vec3(),IA=re.vec3(),DA=re.vec3();re.vec3();var SA=re.mat4(),TA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));var p=0!==l[0]||0!==l[1]||0!==l[2],f=0!==u[0]||0!==u[1]||0!==u[2];if(p||f){var v=kA;if(p){var g=IA;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],h=He(A,v,SA),(d=DA)[0]=n.eye[0]-v[0],d[1]=n.eye[1]-v[1],d[2]=n.eye[2]-v[2]}else h=A,d=n.eye;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,c),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,n.viewNormalMatrix),o.uniformMatrix4fv(this._uWorldNormalMatrix,!1,r.worldNormalMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,x=r.renderFlags,w=0;w<m;w++){var B=this._uSectionPlanes[w];if(B)if(w<_){var P=x.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(B.active,P?1:0),P){var C=y[w];if(l){var M=We(C.dist,C.dir,l,kA,r.matrix);o.uniform3fv(B.pos,M)}else o.uniform3fv(B.pos,C.pos);o.uniform3fv(B.dir,C.dir)}}else o.uniform1i(B.active,0)}o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&Lt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),LA=re.vec3(),RA=re.vec3(),UA=re.vec3();re.vec3(),re.vec4();var OA=re.mat4(),NA=function(){function e(t,i){B(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));var h,d,p=e.pickViewMatrix||s.viewMatrix,f=e.pickProjMatrix||s.projMatrix,v=e.pickOrigin||s.eye,g=e.pickProjMatrix?e.pickZFar:s.project.far;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==u[0]||0!==u[1]||0!==u[2],_=0!==c[0]||0!==c[1]||0!==c[2];if(m||_){var y=LA;if(m){var b=re.transformPoint3(A,u,RA);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=c[0],y[1]+=c[1],y[2]+=c[2],h=He(p,y,OA),(d=UA)[0]=v[0]-y[0],d[1]=v[1]-y[1],d[2]=v[2]-y[2]}else h=p,d=v;if(o.uniform2fv(this._uPickClipPos,e.pickClipPos),o.uniform2f(this._uDrawingBufferSize,o.drawingBufferWidth,o.drawingBufferHeight),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,f),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var x=2/(Math.log(g+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,x)}var w=r._sectionPlanesState.getNumAllocatedSectionPlanes(),B=r._sectionPlanesState.sectionPlanes.length;if(w>0)for(var P=r._sectionPlanesState.sectionPlanes,C=t.layerIndex*B,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<B){var k=M.sectionPlanesActivePerLayer[C+E];if(o.uniform1i(F.active,k?1:0),k){var I=P[E];if(u){var D=We(I.dist,I.dir,u,LA,n.matrix);o.uniform3fv(F.pos,D)}else o.uniform3fv(F.pos,I.pos);o.uniform3fv(F.dir,I.dir)}}else o.uniform1i(F.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new zt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),QA=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new Hc(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new iA(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new aA(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new NA(this._scene)),this._snapRenderer||(this._snapRenderer=new dA(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new _A(this._scene)),this._snapRenderer||(this._snapRenderer=new dA(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Rc(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Rc(this._scene,!0)),this._colorRendererWithSAO}},{key:"colorQualityRendererWithSAO",get:function(){return this._colorQualityRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Hc(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new FA(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new TA(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Kc(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Zc(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new iA(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new NA(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new NA(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new aA(this._scene)),this._pickDepthRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new dA(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new _A(this._scene)),this._snapInitRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new BA(this._scene)),this._occlusionRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}]),e}(),VA={};var HA=C((function e(){B(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]})),jA=function(){function e(){B(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindTriangleIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}},{key:"bindEdgeIndicesTextures",value:function(e,t,i,r){this.edgeIndicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),GA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(GA,null,4));var e=0;Object.keys(GA).forEach((function(t){t.startsWith("size")&&(e+=GA[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/GA.totalPolygons).toFixed(2)));var t={};Object.keys(GA).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((GA[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var zA=function(){function e(){B(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"createTextureForColorsAndFlags",value:function(e,t,i,r,s,n,o){var a=t.length;this.numPortions=a;var l=4096,u=Math.ceil(a/512);if(0===u)throw"texture height===0";var c=new Uint8Array(16384*u);GA.sizeDataColorsAndFlags+=c.byteLength,GA.numberOfTextures++;for(var A=0;A<a;A++)c.set(t[A],32*A+0),c.set(i[A],32*A+4),c.set([0,0,0,0],32*A+8),c.set([0,0,0,0],32*A+12),c.set([r[A]>>24&255,r[A]>>16&255,r[A]>>8&255,255&r[A]],32*A+16),c.set([s[A]>>24&255,s[A]>>16&255,s[A]>>8&255,255&s[A]],32*A+20),c.set([n[A]>>24&255,n[A]>>16&255,n[A]>>8&255,255&n[A]],32*A+24),c.set([o[A]?1:0,0,0,0],32*A+28);var h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,u),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,u,e.RGBA_INTEGER,e.UNSIGNED_BYTE,c,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,h,l,u,c)}},{key:"createTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);GA.sizeDataTextureOffsets+=s.byteLength,GA.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,n,i,r,s)}},{key:"createTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);GA.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,a,r,s,n)}},{key:"createTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);GA.sizeDataPositionDecodeMatrices+=n.byteLength,GA.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,a,r,s)}},{key:"createTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);GA.sizeDataTextureIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);GA.sizeDataTextureIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);GA.sizeDataTextureIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor8BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*2);GA.sizeDataTextureEdgeIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor16BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*2);GA.sizeDataTextureEdgeIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureFor32BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*2);GA.sizeDataTextureEdgeIndices+=n.byteLength,GA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new yc(e,c,r,s)}},{key:"createTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);GA.sizeDataTexturePositions+=o.byteLength,GA.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var c=t[a];o.set(c,l),l+=c.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,A,s,n)}},{key:"createTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),GA.sizeDataTexturePortionIds+=n.byteLength,GA.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new yc(e,o,r,s)}}]),e}(),WA=new Ba,KA=WA.maxDataTextureHeight,XA=re.vec4(),JA=new Float32Array(16),YA=new Uint8Array(4),ZA=new Float32Array(3),qA=0,$A=re.identityMat4(),eh=function(){function e(t,i){var r,s,n;B(this,e),GA.numberOfLayers++,this._layerNumber=qA++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=VA[s])||(n=new QA(r),VA[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete VA[s],n._destroy()}))),n),this.model=t,this._buffer=new HA,this._dtxState=new jA,this._dtxTextureFactory=new zA,this._state=new hi({origin:re.vec3(i.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&GA.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/3})),(this._state.numVertices+n>4096*KA||s+o>4096*KA)&&GA.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*KA&&s+o<=4096*KA)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/3/8)*3;GA.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}if(t.edgeIndices){var s=8*Math.ceil(t.edgeIndices.length/2/8)*2;GA.overheadSizeAlignementEdgeIndices+=2*(s-t.edgeIndices.length);var n=new Uint32Array(s);n.fill(0),n.set(t.edgeIndices),t.edgeIndices=n}var o=t.positionsCompressed,a=t.indices,l=t.edgeIndices,u=this._buffer;u.positionsCompressed.push(o);var c,A=u.lenPositionsCompressed/3,h=o.length/3;u.lenPositionsCompressed+=o.length;var d,p,f=0;a&&(f=a.length/3,h<=256?(d=u.indices8Bits,c=u.lenIndices8Bits/3,u.lenIndices8Bits+=a.length):h<=65536?(d=u.indices16Bits,c=u.lenIndices16Bits/3,u.lenIndices16Bits+=a.length):(d=u.indices32Bits,c=u.lenIndices32Bits/3,u.lenIndices32Bits+=a.length),d.push(a));var v,g=0;l&&(g=l.length/2,h<=256?(v=u.edgeIndices8Bits,p=u.lenEdgeIndices8Bits/2,u.lenEdgeIndices8Bits+=l.length):h<=65536?(v=u.edgeIndices16Bits,p=u.lenEdgeIndices16Bits/2,u.lenEdgeIndices16Bits+=l.length):(v=u.edgeIndices32Bits,p=u.lenEdgeIndices32Bits/2,u.lenEdgeIndices32Bits+=l.length),v.push(l));return this._state.numVertices+=h,GA.numberOfGeometries++,{vertexBase:A,numVertices:h,numTriangles:f,numEdges:g,indicesBase:c,edgeIndicesBase:p}}},{key:"_createSubPortion",value:function(e,t,i,r){var s=e.color;e.metallic,e.roughness;var n,o,a=e.colors,l=e.opacity,u=e.meshMatrix,c=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(u||$A),A.perObjectSolid.push(!!e.solid),a?A.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):s&&A.perObjectColors.push([s[0],s[1],s[2],l]),A.perObjectPickColors.push(c),A.perObjectVertexBases.push(t.vertexBase),n=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(n/3-t.indicesBase),o=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(o/2-t.edgeIndicesBase);var d=this._subPortions.length;if(t.numTriangles>0){var p,f=3*t.numTriangles;t.numVertices<=256?(p=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=f,GA.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(p=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=f,GA.totalPolygons16Bits+=t.numTriangles):(p=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=f,GA.totalPolygons32Bits+=t.numTriangles),GA.totalPolygons+=t.numTriangles;for(var v=0;v<t.numTriangles;v+=8)p.push(d)}if(t.numEdges>0){var g,m=2*t.numEdges;t.numVertices<=256?(g=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=m,GA.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(g=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=m,GA.totalEdges16Bits+=t.numEdges):(g=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=m,GA.totalEdges32Bits+=t.numEdges),GA.totalEdges+=t.numEdges;for(var _=0;_<t.numEdges;_+=8)g.push(d)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[d]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,GA.numberOfPortions++,d}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dtxState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId8Bits),i.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId16Bits),i.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(i.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(i.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(i.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(i.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(i.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(r,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(i.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(r,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(i.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(r,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"isEmpty",value:function(){return 0===this._numPortions}},{key:"initFlags",value:function(e,t,i){t&Ke&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&$e&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&qe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&et&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Ye&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&tt&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Je&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Xe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Ye?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Je?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;YA[0]=t[0],YA[1]=t[1],YA[2]=t[2],YA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(YA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,YA))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&Ke),a=!!(t&qe),l=!!(t&$e),u=!!(t&et),c=!!(t&tt),A=!!(t&Je),h=!!(t&Xe);s=!o||h||a||l&&!this.model.scene.highlightMaterial.glowThrough||u&&!this.model.scene.selectedMaterial.glowThrough?Uo.NOT_RENDERED:i?Uo.COLOR_TRANSPARENT:Uo.COLOR_OPAQUE,n=!o||h?Uo.NOT_RENDERED:u?Uo.SILHOUETTE_SELECTED:l?Uo.SILHOUETTE_HIGHLIGHTED:a?Uo.SILHOUETTE_XRAYED:Uo.NOT_RENDERED;var d=0;d=!o||h?Uo.NOT_RENDERED:u?Uo.EDGES_SELECTED:l?Uo.EDGES_HIGHLIGHTED:a?Uo.EDGES_XRAYED:c?i?Uo.EDGES_COLOR_TRANSPARENT:Uo.EDGES_COLOR_OPAQUE:Uo.NOT_RENDERED;var p=o&&!h&&A?Uo.PICK:Uo.NOT_RENDERED,f=this._dtxState,v=this.model.scene.canvas.gl;YA[0]=s,YA[1]=n,YA[2]=d,YA[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(YA,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),v.bindTexture(v.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),v.texSubImage2D(v.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,v.RGBA_INTEGER,v.UNSIGNED_BYTE,YA))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&Ye?255:0,s=this._dtxState,n=this.model.scene.canvas.gl;YA[0]=r,YA[1]=0,YA[2]=1,YA[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(YA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,YA))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;ZA[0]=t[0],ZA[1]=t[1],ZA[2]=t[2],i.texturePerObjectOffsets._textureData.set(ZA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,ZA))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;JA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(JA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,JA))}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portionToSubPortionsMap[e];if(r)for(var s=0,n=r.length;s<n;s++){var o=r[s],a=this._subPortionReadableGeometries[o],l=a.positionsCompressed,u=a.positionsDecodeMatrix;a.meshMatrix;for(var c=i.origin,A=c[0],h=c[1],d=c[2],p=XA,f=0,v=l.length;f<v;f+=3)p[0]=l[f],p[1]=l[f+1],p[2]=l[f+2],p[3]=1,re.decompressPosition(p,u),re.transformPoint4(this.model.worldMatrix,p,p),re.transformPoint4(this.model.worldMatrix,p,p),p[0]+=A,p[1]+=h,p[2]+=d,t(p)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portionToSubPortionsMap[e];if(i)for(var r=0,s=i.length;r<s;r++)for(var n=i[r],o=this._subPortionReadableGeometries[n].indices,a=0,l=o.length;a<l;a++)t(o[a]);else this.model.error("portion not found: "+e)}}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Uo.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Uo.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Uo.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Uo.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Uo.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Uo.COLOR_OPAQUE))}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickDepths",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Uo.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Uo.PICK))}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),th=function(){function e(t){B(this,e),this.id=t.id,this.colorTexture=t.colorTexture,this.alphaCutoff=t.alphaCutoff,this.metallicRoughnessTexture=t.metallicRoughnessTexture,this.normalsTexture=t.normalsTexture,this.emissiveTexture=t.emissiveTexture,this.occlusionTexture=t.occlusionTexture}return C(e,[{key:"destroy",value:function(){}}]),e}(),ih=function(){function e(t){B(this,e),this.id=t.id,this.texture=t.texture}return C(e,[{key:"destroy",value:function(){this.texture&&(this.texture.destroy(),this.texture=null)}}]),e}(),rh={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}},sh=function(){function e(t,i,r){B(this,e),this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=t,this.onProgress=i,this.onError=r}return C(e,[{key:"itemStart",value:function(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}},{key:"itemEnd",value:function(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}},{key:"itemError",value:function(e){void 0!==this.onError&&this.onError(e)}},{key:"resolveURL",value:function(e){return this.urlModifier?this.urlModifier(e):e}},{key:"setURLModifier",value:function(e){return this.urlModifier=e,this}},{key:"addHandler",value:function(e,t){return this.handlers.push(e,t),this}},{key:"removeHandler",value:function(e){var t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}},{key:"getHandler",value:function(e){for(var t=0,i=this.handlers.length;t<i;t+=2){var r=this.handlers[t],s=this.handlers[t+1];if(r.global&&(r.lastIndex=0),r.test(e))return s}return null}}]),e}(),nh=new sh,oh=function(){function e(t){B(this,e),this.manager=void 0!==t?t:nh,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}return C(e,[{key:"load",value:function(){}},{key:"loadAsync",value:function(e,t){var i=this;return new Promise((function(r,s){i.load(e,r,t,s)}))}},{key:"parse",value:function(){}},{key:"setCrossOrigin",value:function(e){return this.crossOrigin=e,this}},{key:"setWithCredentials",value:function(e){return this.withCredentials=e,this}},{key:"setPath",value:function(e){return this.path=e,this}},{key:"setResourcePath",value:function(e){return this.resourcePath=e,this}},{key:"setRequestHeader",value:function(e){return this.requestHeader=e,this}}]),e}(),ah={},lh=function(e){g(i,oh);var t=_(i);function i(e){return B(this,i),t.call(this,e)}return C(i,[{key:"load",value:function(e,t,i,r){var s=this;void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);var n=rh.get(e);if(void 0!==n)return this.manager.itemStart(e),we.scheduleTask((function(){t&&t(n),s.manager.itemEnd(e)}),0),n;if(void 0===ah[e]){ah[e]=[],ah[e].push({onLoad:t,onProgress:i,onError:r});var o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,l=this.responseType;fetch(o).then((function(t){if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;var i=ah[e],r=t.body.getReader(),s=t.headers.get("Content-Length"),n=s?parseInt(s):0,o=0!==n,a=0,l=new ReadableStream({start:function(e){!function t(){r.read().then((function(r){var s=r.done,l=r.value;if(s)e.close();else{a+=l.byteLength;for(var u=new ProgressEvent("progress",{lengthComputable:o,loaded:a,total:n}),c=0,A=i.length;c<A;c++){var h=i[c];h.onProgress&&h.onProgress(u)}e.enqueue(l),t()}}))}()}});return new Response(l)}throw Error('fetch for "'.concat(t.url,'" responded with ').concat(t.status,": ").concat(t.statusText))})).then((function(e){switch(l){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((function(e){return(new DOMParser).parseFromString(e,a)}));case"json":return e.json();default:if(void 0===a)return e.text();var t=/charset="?([^;"\s]*)"?/i.exec(a),i=t&&t[1]?t[1].toLowerCase():void 0,r=new TextDecoder(i);return e.arrayBuffer().then((function(e){return r.decode(e)}))}})).then((function(t){rh.add(e,t);var i=ah[e];delete ah[e];for(var r=0,s=i.length;r<s;r++){var n=i[r];n.onLoad&&n.onLoad(t)}})).catch((function(t){var i=ah[e];if(void 0===i)throw s.manager.itemError(e),t;delete ah[e];for(var r=0,n=i.length;r<n;r++){var o=i[r];o.onError&&o.onError(t)}s.manager.itemError(e)})).finally((function(){s.manager.itemEnd(e)})),this.manager.itemStart(e)}else ah[e].push({onLoad:t,onProgress:i,onError:r})}},{key:"setResponseType",value:function(e){return this.responseType=e,this}},{key:"setMimeType",value:function(e){return this.mimeType=e,this}}]),i}(),uh=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:4;B(this,e),this.pool=t,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}return C(e,[{key:"_initWorker",value:function(e){if(!this.workers[e]){var t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}},{key:"_getIdleWorker",value:function(){for(var e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}},{key:"_onMessage",value:function(e,t){var i=this.workersResolve[e];if(i&&i(t),this.queue.length){var r=this.queue.shift(),s=r.resolve,n=r.msg,o=r.transfer;this.workersResolve[e]=s,this.workers[e].postMessage(n,o)}else this.workerStatus^=1<<e}},{key:"setWorkerCreator",value:function(e){this.workerCreator=e}},{key:"setWorkerLimit",value:function(e){this.pool=e}},{key:"postMessage",value:function(e,t){var i=this;return new Promise((function(r){var s=i._getIdleWorker();-1!==s?(i._initWorker(s),i.workerStatus|=1<<s,i.workersResolve[s]=r,i.workers[s].postMessage(e,t)):i.queue.push({resolve:r,msg:e,transfer:t})}))}},{key:"destroy",value:function(){this.workers.forEach((function(e){return e.terminate()})),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}]),e}(),ch=0,Ah=function(){function e(t){var i=t.viewer,r=t.transcoderPath,s=t.workerLimit;B(this,e),this._transcoderPath=r||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new uh,this._workerSourceURL="",s&&this._workerPool.setWorkerLimit(s);var n=i.capabilities;this._workerConfig={astcSupported:n.astcSupported,etc1Supported:n.etc1Supported,etc2Supported:n.etc2Supported,dxtSupported:n.dxtSupported,bptcSupported:n.bptcSupported,pvrtcSupported:n.pvrtcSupported},this._supportedFileTypes=["xkt2"]}return C(e,[{key:"_init",value:function(){var t=this;if(!this._transcoderPending){var i=new lh;i.setPath(this._transcoderPath),i.setWithCredentials(this.withCredentials);var r=i.loadAsync("basis_transcoder.js"),s=new lh;s.setPath(this._transcoderPath),s.setResponseType("arraybuffer"),s.setWithCredentials(this.withCredentials);var n=s.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([r,n]).then((function(i){var r=A(i,2),s=r[0],n=r[1],o=e.BasisWorker.toString(),a=["/* constants */","let _EngineFormat = "+JSON.stringify(e.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(e.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(e.BasisFormat),"/* basis_transcoder.js */",s,"/* worker */",o.substring(o.indexOf("{")+1,o.lastIndexOf("}"))].join("\n");t._workerSourceURL=URL.createObjectURL(new Blob([a])),t._transcoderBinary=n,t._workerPool.setWorkerCreator((function(){var e=new Worker(t._workerSourceURL),i=t._transcoderBinary.slice(0);return e.postMessage({type:"init",config:t._workerConfig,transcoderBinary:i},[i]),e}))})),ch>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),ch++}return this._transcoderPending}},{key:"transcode",value:function(e,t){var i=this,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};return new Promise((function(s,n){var o=r;i._init().then((function(){return i._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e)})).then((function(e){var i=e.data,r=i.mipmaps,o=(i.width,i.height,i.format),a=i.type,l=i.error,u=i.dfdTransferFn,c=i.dfdFlags;if("error"===a)return n(l);t.setCompressedData({mipmaps:r,props:{format:o,minFilter:1===r.length?1006:1008,magFilter:1===r.length?1006:1008,encoding:2===u?3001:3e3,premultiplyAlpha:!!(1&c)}}),s()}))}))}},{key:"destroy",value:function(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),ch--}}]),e}();Ah.BasisFormat={ETC1S:0,UASTC_4x4:1},Ah.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},Ah.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},Ah.BasisWorker=function(){var e,t,i,r=_EngineFormat,s=_TranscoderFormat,n=_BasisFormat;self.addEventListener("message",(function(o){var c,A=o.data;switch(A.type){case"init":e=A.config,c=A.transcoderBinary,t=new Promise((function(e){i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((function(){i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((function(){try{for(var t=function(t){var o=new i.KTX2File(new Uint8Array(t));function c(){o.close(),o.delete()}if(!o.isValid())throw c(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");var A=o.isUASTC()?n.UASTC_4x4:n.ETC1S,h=o.getWidth(),d=o.getHeight(),p=o.getLevels(),f=o.getHasAlpha(),v=o.getDFDTransferFunc(),g=o.getDFDFlags(),m=function(t,i,o,c){for(var A,h,d=t===n.ETC1S?a:l,p=0;p<d.length;p++){var f=d[p];if(e[f.if]&&(f.basisFormat.includes(t)&&!(c&&f.transcoderFormat.length<2)&&(!f.needsPowerOfTwo||u(i)&&u(o))))return{transcoderFormat:A=f.transcoderFormat[c?1:0],engineFormat:h=f.engineFormat[c?1:0]}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),A=s.RGBA32,h=r.RGBAFormat,{transcoderFormat:A,engineFormat:h}}(A,h,d,f),_=m.transcoderFormat,y=m.engineFormat;if(!h||!d||!p)throw c(),new Error("KTX2TextureTranscoder: Invalid texture");if(!o.startTranscoding())throw c(),new Error("KTX2TextureTranscoder: .startTranscoding failed");for(var b=[],x=0;x<p;x++){var w=o.getImageLevelInfo(x,0,0),B=w.origWidth,P=w.origHeight,C=new Uint8Array(o.getImageTranscodedSizeInBytes(x,0,0,_));if(!o.transcodeImage(C,x,0,0,_,0,-1,-1))throw c(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:C,width:B,height:P})}return c(),{width:h,height:d,hasAlpha:f,mipmaps:b,format:y,dfdTransferFn:v,dfdFlags:g}}(A.buffers[0]),o=t.width,c=t.height,h=t.hasAlpha,d=t.mipmaps,p=t.format,f=t.dfdTransferFn,v=t.dfdFlags,g=[],m=0;m<d.length;++m)g.push(d[m].data.buffer);self.postMessage({type:"transcode",id:A.id,width:o,height:c,hasAlpha:h,mipmaps:d,format:p,dfdTransferFn:f,dfdFlags:v},g)}catch(e){console.error("[KTX2TextureTranscoder.BasisWorker]: ".concat(e)),self.postMessage({type:"error",id:A.id,error:e.message})}}))}}));var o=[{if:"astcSupported",basisFormat:[n.UASTC_4x4],transcoderFormat:[s.ASTC_4x4,s.ASTC_4x4],engineFormat:[r.RGBA_ASTC_4x4_Format,r.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.BC7_M5,s.BC7_M5],engineFormat:[r.RGBA_BPTC_Format,r.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.BC1,s.BC3],engineFormat:[r.RGB_S3TC_DXT1_Format,r.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.ETC1,s.ETC2],engineFormat:[r.RGB_ETC2_Format,r.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.ETC1],engineFormat:[r.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.PVRTC1_4_RGB,s.PVRTC1_4_RGBA],engineFormat:[r.RGB_PVRTC_4BPPV1_Format,r.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=o.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=o.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function u(e){return e<=2||0==(e&e-1)&&0!==e}};var hh={};function dh(e){var t=e.scene.id,i=hh[t];return i||(i=new Ah({viewer:e}),hh[t]=i,e.scene.on("destroyed",(function(){delete hh[t],i.destroy()}))),i}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
@@ -14,7 +14,7 @@ var e,t=a().mark(MB),i=a().mark(EB),r=a().mark(NM);function s(e,t){var i=Object.
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/var mh=null;function _h(e,t){var i,r,s,n,o,a,l=3*e,u=3*t,c=Math.min(i=mh[l],r=mh[l+1],s=mh[l+2]),A=Math.min(n=mh[u],o=mh[u+1],a=mh[u+2]);if(c!==A)return c-A;var h=Math.max(i,r,s),d=Math.max(n,o,a);return h!==d?h-d:0}function yh(e,t){for(var i=new Int32Array(e.length/3),r=0,s=i.length;r<s;r++)i[r]=r;mh=new Int32Array(e.length);for(var n=0,o=e.length;n<o;n++)mh[n]=e[n]>>t;i.sort(_h);for(var a=new Int32Array(e.length),l=0,u=i.length;l<u;l++)a[3*l+0]=e[3*i[l]+0],a[3*l+1]=e[3*i[l]+1],a[3*l+2]=e[3*i[l]+2];return a}var bh=null;function xh(e,t){var i=bh[2*e]-bh[2*t];return 0!==i?i:bh[2*e+1]-bh[2*t+1]}function wh(e){if(0===(e||[]).length)return[];for(var t=new Int32Array(e.length/2),i=0,r=t.length;i<r;i++)t[i]=i;for(var s=0,n=e.length;s<n;s+=2)if(e[s]>e[s+1]){var o=e[s];e[s]=e[s+1],e[s+1]=o}bh=new Int32Array(e),t.sort(xh);for(var a=new Int32Array(e.length),l=0,u=t.length;l<u;l++)a[2*l+0]=e[2*t[l]+0],a[2*l+1]=e[2*t[l]+1];return a}function Bh(e,t){var i={},r={};e.forEach((function(e){for(var t=e.indices,s=e.edgeIndices,n=e.positionsCompressed,o=0,a=t.length;o<a;o+=3){var l=n[3*t[o]]+"_"+n[3*t[o]+1]+"_"+n[3*t[o]+2]+"/"+n[3*t[o+1]]+"_"+n[3*t[o+1]+1]+"_"+n[3*t[o+1]+2]+"/"+n[3*t[o+2]]+"_"+n[3*t[o+2]+1]+"_"+n[3*t[o+2]+2];i[l]=!0}e.edgeIndices.length/2;for(var u=0,c=s.length;u<c;u+=2){var A=n[3*s[u]]+"_"+n[3*s[u]+1]+"_"+n[3*s[u]+2]+"/"+n[3*s[u+1]]+"_"+n[3*s[u+1]+1]+"_"+n[3*s[u+1]+2]+"/";r[A]=!0}}));var s=t.indices;t.edgeIndices;for(var n=t.positionsCompressed,o=0,a=s.length;o<a;o+=3){var l=n[3*s[o]]+"_"+n[3*s[o]+1]+"_"+n[3*s[o]+2]+"/"+n[3*s[o+1]]+"_"+n[3*s[o+1]+1]+"_"+n[3*s[o+1]+2]+"/"+n[3*s[o+2]]+"_"+n[3*s[o+2]+1]+"_"+n[3*s[o+2]+2];if(!(l in i))throw console.log("Not found "+l),"Ohhhh!"}}var Ph=re.vec4(4),Ch=re.vec4(),Mh=re.vec4(),Eh=re.vec3([1,0,0]),Fh=re.vec3([0,1,0]),kh=re.vec3([0,0,1]);re.vec3(3),re.vec3(3);var Ih=re.identityMat4(),Dh=function(){function e(t){B(this,e),this._model=t.model,this.id=t.id,this._parentTransform=t.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=re.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=re.identityMat4(new Float32Array(16)),this._worldMatrix=re.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),t.parent&&t.parent._addChildTransform(this)}return C(e,[{key:"_addChildTransform",value:function(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}},{key:"_addMesh",value:function(e){this._meshes.push(e),e.transform=this}},{key:"parentTransform",get:function(){return this._parentTransform}},{key:"meshes",get:function(){return this._meshes}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||Ih),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Ph[0]=e[0],Ph[1]=e[1],Ph[2]=e[2],Ph[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Ph,Ch),re.mulQuaternions(this.quaternion,Ch,Mh),this.quaternion=Mh,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Ph[0]=e[0],Ph[1]=e[1],Ph[2]=e[2],Ph[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Ph,Ch),re.mulQuaternions(Ch,this.quaternion,Ch),this}},{key:"rotateX",value:function(e){return this.rotate(Eh,e)}},{key:"rotateY",value:function(e){return this.rotate(Fh,e)}},{key:"rotateZ",value:function(e){return this.rotate(kh,e)}},{key:"translate",value:function(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateX",value:function(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateY",value:function(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateZ",value:function(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._transformDirty()}},{key:"_transformDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._childTransforms.length;e<t;e++){var i=this._childTransforms[e];if(i._transformDirty(),i._meshes&&i._meshes.length>0)for(var r=i._meshes,s=0,n=r.length;s<n;s++)r[s]._transformDirty()}if(this._meshes&&this._meshes.length>0)for(var o=this._meshes,a=0,l=o.length;a<l;a++)o[a]._transformDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentTransform)re.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._childTransforms)for(var t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}]),e}(),Sh=re.vec3(),Th=re.OBB3(),Lh=re.vec4(),Rh=re.vec3([1,1,1]),Uh=re.vec3([0,0,0]);re.vec3([0,0,0]);var Oh=re.identityQuaternion(),Nh=re.identityMat4(),Qh=new Uint8Array([255,255,255]),Vh=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r._dtxEnabled=r.scene.dtxEnabled&&!1!==s.dtxEnabled,r._enableVertexWelding=!1,r._enableIndexBucketing=!1,r._vboBatchingLayerScratchMemory=Ro(),r._textureTranscoder=s.textureTranscoder||dh(r.scene.viewer),r._maxGeometryBatchSize=s.maxGeometryBatchSize,r._aabb=re.collapseAABB3(),r._aabbDirty=!0,r._quantizationRanges={},r._vboInstancingLayers={},r._vboBatchingLayers={},r._dtxLayers={},r._meshList=[],r.layerList=[],r._layersToFinalize=[],r._entityList=[],r._entitiesToFinalize=[],r._geometries={},r._dtxBuckets={},r._textures={},r._textureSets={},r._transforms={},r._meshes={},r._unusedMeshes={},r._entities={},r.renderFlags=new ln,r.numGeometries=0,r.numPortions=0,r.numVisibleLayerPortions=0,r.numTransparentLayerPortions=0,r.numXRayedLayerPortions=0,r.numHighlightedLayerPortions=0,r.numSelectedLayerPortions=0,r.numEdgesLayerPortions=0,r.numPickableLayerPortions=0,r.numClippableLayerPortions=0,r.numCulledLayerPortions=0,r.numEntities=0,r._numTriangles=0,r._numLines=0,r._numPoints=0,r._layersFinalized=!1,r._edgeThreshold=s.edgeThreshold||10,r._origin=re.vec3(s.origin||[0,0,0]),r._position=re.vec3(s.position||[0,0,0]),r._rotation=re.vec3(s.rotation||[0,0,0]),r._quaternion=re.vec4(s.quaternion||[0,0,0,1]),r._conjugateQuaternion=re.vec4(s.quaternion||[0,0,0,1]),s.rotation&&re.eulerToQuaternion(r._rotation,"XYZ",r._quaternion),r._scale=re.vec3(s.scale||[1,1,1]),r._worldRotationMatrix=re.mat4(),r._worldRotationMatrixConjugate=re.mat4(),r._matrix=re.mat4(),r._matrixDirty=!0,r._rebuildMatrices(),r._worldNormalMatrix=re.mat4(),re.inverseMat4(r._matrix,r._worldNormalMatrix),re.transposeMat4(r._worldNormalMatrix),(s.matrix||s.position||s.rotation||s.scale||s.quaternion)&&(r._viewMatrix=re.mat4(),r._viewNormalMatrix=re.mat4(),r._viewMatrixDirty=!0,r._matrixNonIdentity=!0),r._opacity=1,r._colorize=[1,1,1],r._saoEnabled=!1!==s.saoEnabled,r._pbrEnabled=!1!==s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._onCameraViewMatrix=r.scene.camera.on("matrix",(function(){r._viewMatrixDirty=!0})),r._meshesWithDirtyMatrices=[],r._numMeshesWithDirtyMatrices=0,r._onTick=r.scene.on("tick",(function(){for(;r._numMeshesWithDirtyMatrices>0;)r._meshesWithDirtyMatrices[--r._numMeshesWithDirtyMatrices]._updateMatrix()})),r._createDefaultTextureSet(),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.backfaces=s.backfaces,r}return C(i,[{key:"_meshMatrixDirty",value:function(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}},{key:"_createDefaultTextureSet",value:function(){var e=new ih({id:"defaultColorTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new ih({id:"defaultMetalRoughTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new ih({id:"defaultNormalsTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),r=new ih({id:"defaultEmissiveTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),s=new ih({id:"defaultOcclusionTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=r,this._textures.defaultOcclusionTexture=s,this._textureSets.defaultTextureSet=new th({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:r,occlusionTexture:s})}},{key:"isPerformanceModel",get:function(){return!0}},{key:"transforms",get:function(){return this._transforms}},{key:"textures",get:function(){return this._textures}},{key:"textureSets",get:function(){return this._textureSets}},{key:"meshes",get:function(){return this._meshes}},{key:"objects",get:function(){return this._entities}},{key:"origin",get:function(){return this._origin}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){}},{key:"matrix",get:function(){return this._rebuildMatrices(),this._matrix},set:function(e){this._matrix.set(e||Nh),re.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotationMatrix",get:function(){return this._rebuildMatrices(),this._worldRotationMatrix}},{key:"_rebuildMatrices",value:function(){this._matrixDirty&&(re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),re.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),re.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),re.scaleMat4v(this._scale,this._worldRotationMatrix),re.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),re.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}},{key:"rotationMatrixConjugate",get:function(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}},{key:"_setWorldMatrixDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}},{key:"_sceneModelDirty",value:function(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}},{key:"worldMatrix",get:function(){return this.matrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrix}},{key:"_rebuildViewMatrices",value:function(){this._rebuildMatrices(),this._viewMatrixDirty&&(re.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}},{key:"viewMatrix",get:function(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}},{key:"viewNormalMatrix",get:function(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}},{key:"backfaces",get:function(){return this._backfaces},set:function(e){e=!!e,this._backfaces=e,this.glRedraw()}},{key:"entityList",get:function(){return this._entityList}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return!1}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._entityList.length;e<t;e++)re.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"numLines",get:function(){return this._numLines}},{key:"numPoints",get:function(){return this._numPoints}},{key:"visible",get:function(){return this.numVisibleLayerPortions>0},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}},{key:"xrayed",get:function(){return this.numXRayedLayerPortions>0},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}},{key:"highlighted",get:function(){return this.numHighlightedLayerPortions>0},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}},{key:"selected",get:function(){return this.numSelectedLayerPortions>0},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}},{key:"edges",get:function(){return this.numEdgesLayerPortions>0},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}},{key:"pickable",get:function(){return this.numPickableLayerPortions>0},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}},{key:"colorize",get:function(){return this._colorize},set:function(e){this._colorize=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}},{key:"opacity",get:function(){return this._opacity},set:function(e){this._opacity=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}},{key:"saoEnabled",get:function(){return this._saoEnabled}},{key:"pbrEnabled",get:function(){return this._pbrEnabled}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!1}},{key:"xrayMaterial",get:function(){return this.scene.xrayMaterial}},{key:"highlightMaterial",get:function(){return this.scene.highlightMaterial}},{key:"selectedMaterial",get:function(){return this.scene.selectedMaterial}},{key:"edgeMaterial",get:function(){return this.scene.edgeMaterial}},{key:"getPickViewMatrix",value:function(e){return this._viewMatrix?this._viewMatrix:e}},{key:"createQuantizationRange",value:function(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:ka(e.aabb,re.mat4())}:this.error("[createQuantizationRange] Config missing: id")}},{key:"createGeometry",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("[createGeometry] Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ka(e.positionsDecodeBoundary,re.mat4())),e.positions){var i=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(i,e.positions),e.positionsCompressed=Fa(e.positions,i,e.positionsDecodeMatrix),e.aabb=i}else if(e.positionsCompressed){var r=re.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),re.expandAABB3Points3(r,e.positionsCompressed),zi.decompressAABB(r,e.positionsDecodeMatrix),e.aabb=r}else if(e.buckets){var s=re.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(var n=0,o=e.buckets.length;n<o;n++){var a=e.buckets[n];a.positions?re.expandAABB3Points3(s,a.positions):a.positionsCompressed&&re.expandAABB3Points3(s,a.positionsCompressed)}e.positionsDecodeMatrix&&zi.decompressAABB(s,e.positionsDecodeMatrix),e.aabb=s}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){for(var l=e.colors,u=new Uint8Array(l.length),c=0,A=l.length;c<A;c++)u[c]=255*l[c];e.colorsCompressed=u}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Oi(e.positions,e.indices,null,5):e.edgeIndices=Oi(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){var h=zi.getUVBounds(e.uv),d=zi.compressUVs(e.uv,h.min,h.max);e.uvCompressed=d.quantized,e.uvDecodeMatrix=d.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error("[createGeometry] Unsupported value for 'primitive': '".concat(e.primitive,"' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'."));else this.error("[createGeometry] Config missing: id")}},{key:"createTexture",value:function(e){var t=this,i=e.id;if(null!=i)if(this._textures[i])this.error("[createTexture] Texture already created: "+i);else{if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;var r=e.minFilter||1008;1006!==r&&1007!==r&&1008!==r&&1005!==r&&1004!==r&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),r=1008);var s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);var n=e.wrapS||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);var o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);var a=e.wrapR||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);var l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);var u=new Wn({gl:this.scene.canvas.gl,minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,encoding:l});if(e.preloadColor&&u.setPreloadColor(e.preloadColor),e.image){var c=e.image;if(c.crossOrigin="Anonymous",c.compressed){var A=c.data;u.setCompressedData({mipmaps:A,props:{format:A[0].format,minFilter:r,magFilter:s}})}else u.setImage(c,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l})}else if(e.src){var h=e.src.split(".").pop();switch(h){case"jpeg":case"jpg":case"png":case"gif":var d=new Image;d.onload=function(){u.setImage(d,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l}),t.glRedraw()},d.src=e.src;break;default:this._textureTranscoder?he.loadArraybuffer(e.src,(function(e){e.byteLength?t._textureTranscoder.transcode([e],u).then((function(){t.glRedraw()})):t.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error("[createTexture] Can't create texture from 'src': ".concat(e))})):this.error("[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('".concat(h,"')"))}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,u).then((function(){t.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[i]=new ih({id:i,texture:u})}else this.error("[createTexture] Config missing: id")}},{key:"createTextureSet",value:function(e){var t=e.id;if(null!=t){if(!this._textureSets[t]){var i,r,s,n,o;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(!(i=this._textures[e.colorTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.colorTextureId," - ensure that you create it first with createTexture()"))}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(!(r=this._textures[e.metallicRoughnessTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.metallicRoughnessTextureId," - ensure that you create it first with createTexture()"))}else r=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(!(s=this._textures[e.normalsTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.normalsTextureId," - ensure that you create it first with createTexture()"))}else s=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(!(n=this._textures[e.emissiveTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.emissiveTextureId," - ensure that you create it first with createTexture()"))}else n=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(!(o=this._textures[e.occlusionTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.occlusionTextureId," - ensure that you create it first with createTexture()"))}else o=this._textures.defaultOcclusionTexture;var a=new th({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:r,normalsTexture:s,emissiveTexture:n,occlusionTexture:o});return this._textureSets[t]=a,a}this.error("[createTextureSet] Texture set already created: ".concat(t))}else this.error("[createTextureSet] Config missing: id")}},{key:"createTransform",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._transforms[e.id])this.error("[createTransform] SceneModel already has a transform with this ID: ".concat(e.id));else{var t;if(!e.parentTransformId||(t=this._transforms[e.parentTransformId])){var i=new Dh({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}this.error("[createTransform] SceneModel.createTransform() config missing: id")}else this.error("[createTransform] SceneModel.createTransform() config missing: id")}},{key:"createMesh",value:function(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error("[createMesh] SceneModel already has a mesh with this ID: ".concat(e.id)),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error("Unsupported value for 'primitive': '".concat(primitive,"'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.")),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error("Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;var i=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var r=e.scale||Rh,s=e.position||Uh;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",Lh),e.meshMatrix=re.composeMat4(s,Lh,r,re.mat4())):e.meshMatrix=re.composeMat4(s,e.quaternion||Oh,r,re.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ka(e.positionsDecodeBoundary,re.mat4())),i){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Qh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){var n=re.vec3(),o=[];Ge(e.positions,o,n)&&(e.positions=o,e.origin=re.addVec3(e.origin,n,n))}if(e.positions){var a=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(a,e.positions),e.positionsCompressed=Fa(e.positions,a,e.positionsDecodeMatrix),e.aabb=a}else if(e.positionsCompressed){var l=re.collapseAABB3();re.expandAABB3Points3(l,e.positionsCompressed),zi.decompressAABB(l,e.positionsDecodeMatrix),e.aabb=l}if(e.buckets){for(var u=re.collapseAABB3(),c=0,A=e.buckets.length;c<A;c++){var h=e.buckets[c];h.positions?re.expandAABB3Points3(u,h.positions):h.positionsCompressed&&re.expandAABB3Points3(u,h.positionsCompressed)}e.positionsDecodeMatrix&&zi.decompressAABB(u,e.positionsDecodeMatrix),e.aabb=u}e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,Th),re.transformOBB3(e.meshMatrix,Th),re.OBB3ToAABB3(Th,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Oi(e.positions,e.indices,null,2):e.edgeIndices=Oi(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=Hh(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){var d=[];Ge(e.positions,d,Sh)&&(e.positions=d,e.origin=re.addVec3(e.origin,Sh,re.vec3()))}if(e.positions){var p=re.collapseAABB3();e.meshMatrix&&(re.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),re.expandAABB3Points3(p,e.positions),e.aabb=p}else{var f=re.collapseAABB3();re.expandAABB3Points3(f,e.positionsCompressed),zi.decompressAABB(f,e.positionsDecodeMatrix),e.aabb=f}if(e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,Th),re.transformOBB3(e.meshMatrix,Th),re.OBB3ToAABB3(Th,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Oi(e.positions,e.indices,null,2):e.edgeIndices=Oi(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error("[createMesh] Texture set not found: ".concat(e.textureSetId," - ensure that you create it first with createTextureSet()")),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error("[createMesh] Geometry not found: ".concat(e.geometryId," - ensure that you create it first with createGeometry()")),!1;if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error("[createMesh] Transform not found: ".concat(e.transformId," - ensure that you create it first with createTransform()")),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var v=e.scale||Rh,g=e.position||Uh;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",Lh),e.meshMatrix=re.composeMat4(g,Lh,v,re.mat4())):e.meshMatrix=re.composeMat4(g,e.quaternion||Oh,v,re.mat4())}re.AABB3ToOBB3(e.geometry.aabb,Th),re.transformOBB3(e.meshMatrix,Th),e.aabb=re.OBB3ToAABB3(Th,re.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Qh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;var m=this._dtxBuckets[e.geometryId];m||(m=Hh(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=m),e.buckets=m}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Qh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}},{key:"_createDefaultIndices",value:function(e){for(var t=[],i=0;i<e;i++)t.push(i);return t}},{key:"_createMesh",value:function(e){var t=new So(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);var i=t.pickId,r=i>>24&255,s=i>>16&255,n=i>>8&255,o=255&i;switch(e.pickColor=new Uint8Array([o,n,s,r]),e.solid="solid"===e.primitive,t.origin=re.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}},{key:"_getNumPrimitives",value:function(e){var t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(var i=0,r=e.buckets.length;i<r;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(var s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:var o=e.geometry;t+=o.positions?o.positions.length:o.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(var a=0,l=e.buckets.length;a<l;a++)t+=e.buckets[a].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}},{key:"_getDTXLayer",value:function(e){var t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,r=".".concat(i,".").concat(Math.round(t[0]),".").concat(Math.round(t[1]),".").concat(Math.round(t[2])),s=this._dtxLayers[r];if(s){if(s.canCreatePortion(e))return s;delete this._dtxLayers[r],s=null}switch(i){case"triangles":case"solid":case"surface":s=new eh(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":s=new kc(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[r]=s,this.layerList.push(s),this._layersToFinalize.push(s),s}},{key:"_getVBOBatchingLayer",value:function(e){var t=this,i=e.origin;e.renderLayer;var r=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",s=e.textureSetId||"-",n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(e.primitive,".").concat(r,".").concat(s),o=this._vboBatchingLayers[n];if(o)return o;for(var a=e.textureSet;!o;){switch(e.primitive){case"triangles":case"solid":case"surface":o=new ja({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":o=new $l({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":o=new Qu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}var l=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?o.canCreatePortion(l):o.canCreatePortion(l,e.indices.length))||(o.finalize(),delete this._vboBatchingLayers[n],o=null)}return this._vboBatchingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"_createHashStringFromMatrix",value:function(e){for(var t=e.join(""),i=0,r=0;r<t.length;r++){i=(i<<5)-i+t.charCodeAt(r),i|=0}return(i>>>0).toString(16)}},{key:"_getVBOInstancingLayer",value:function(e){var t=this,i=e.origin,r=e.textureSetId||"-",s=e.geometryId,n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(r,".").concat(s),o=this._vboInstancingLayers[n];if(o)return o;for(var a=e.textureSet,l=e.geometry;!o;)switch(l.primitive){case"triangles":case"surface":o=new Tl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":o=new Tl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":o=new _u({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":o=new Ac({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"createEntity",value:function(e){if(void 0===e.id?e.id=re.createUUID():this.scene.components[e.id]&&(this.error("Scene already has a Component with this ID: ".concat(e.id," - will assign random ID")),e.id=re.createUUID()),void 0!==e.meshIds){var t=0;return this._visible&&!1!==e.visible&&(t|=Ke),this._pickable&&!1!==e.pickable&&(t|=Ye),this._culled&&!1!==e.culled&&(t|=Xe),this._clippable&&!1!==e.clippable&&(t|=Je),this._collidable&&!1!==e.collidable&&(t|=Ze),this._edges&&!1!==e.edges&&(t|=tt),this._xrayed&&!1!==e.xrayed&&(t|=qe),this._highlighted&&!1!==e.highlighted&&(t|=$e),this._selected&&!1!==e.selected&&(t|=et),e.flags=t,this._createEntity(e)}this.error("Config missing: meshIds")}},{key:"_createEntity",value:function(e){for(var t=[],i=0,r=e.meshIds.length;i<r;i++){var s=e.meshIds[i],n=this._meshes[s];n?n.parent?this.error('Mesh with ID "'.concat(s,'" already belongs to object with ID "').concat(n.parent.id,'" - ignoring this mesh')):(t.push(n),delete this._unusedMeshes[s]):this.error('Mesh with this ID not found: "'.concat(s,'" - ignoring this mesh'))}var o=new st(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(o),this._entities[e.id]=o,this._entitiesToFinalize.push(o),this.numEntities++,o}},{key:"preFinalize",value:function(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(var e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(var i=0,r=this._entitiesToFinalize.length;i<r;i++){this._entitiesToFinalize[i]._finalize()}for(var s=0,n=this._entitiesToFinalize.length;s<n;s++){this._entitiesToFinalize[s]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort((function(e,t){return e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0}));for(var o=0,a=this.layerList.length;o<a;o++){this.layerList[o].layerIndex=o}this.glRedraw(),this._layersFinalized=!0}},{key:"finalize",value:function(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}},{key:"stateSortCompare",value:function(e,t){}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}},{key:"_updateRenderFlagsVisibleLayers",value:function(){var e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(var t=0,i=this.layerList.length;t<i;t++){var r=this.layerList[t];this._getActiveSectionPlanesForLayer(r)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}},{key:"_createDummyEntityForUnusedMeshes",value:function(){var e=Object.keys(this._unusedMeshes);if(e.length>0){var t="".concat(this.id,"-").concat(re.createUUID());this.warn('Creating dummy SceneModelEntity "'.concat(t,'" for unused SceneMeshes: [').concat(e.join(","),"]")),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}},{key:"_getActiveSectionPlanesForLayer",value:function(e){var t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,r=i.length,s=e.layerIndex*r;if(r>0)for(var n=0;n<r;n++){i[n].active?(t.sectionPlanesActivePerLayer[s+n]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[s+n]=!1}return!0}},{key:"_updateRenderFlags",value:function(){if(0!==this.numVisibleLayerPortions&&this.numCulledLayerPortions!==this.numPortions){var e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){var t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0)this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0));if(this.numSelectedLayerPortions>0){var i=this.scene.selectedMaterial._state;i.fill&&(i.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){var r=this.scene.highlightMaterial._state;r.fill&&(r.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"drawColorOpaque",value:function(e,t){for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r];this.layerList[n].drawColorOpaque(i,e)}}},{key:"drawColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}},{key:"drawDepth",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}},{key:"drawNormals",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}},{key:"drawSilhouetteXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}},{key:"drawSilhouetteHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}},{key:"drawSilhouetteSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}},{key:"drawEdgesColorOpaque",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}},{key:"drawEdgesColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}},{key:"drawEdgesXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}},{key:"drawEdgesHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}},{key:"drawEdgesSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}},{key:"drawOcclusion",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}},{key:"drawShadow",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}},{key:"setPickMatrices",value:function(e,t){if(0!==this._numVisibleLayerPortions)for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r],o=this.layerList[n];o.setPickMatrices&&o.setPickMatrices(e,t)}}},{key:"drawPickMesh",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}},{key:"drawPickDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}},{key:"drawPickNormals",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}},{key:"drawSnapInit",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"drawSnap",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"destroy",value:function(){for(var e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();for(var t in this._vboBatchingLayers={},this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(t)&&this._vboInstancingLayers[t].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(var r=0,s=this.layerList.length;r<s;r++)this.layerList[r].destroy();this.layerList=[];for(var n=0,o=this._entityList.length;n<o;n++)this._entityList[n]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Lo&&0==--Lo&&To._clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}();function Hh(e,t,i){var r,s,n,o;if(t||i){var a=A(gh({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}),3);r=a[0],s=a[1],n=a[2]}else r=e.positionsCompressed,s=e.indices,n=e.edgeIndices;i?o=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=e.positionsCompressed||[],s=yh(e.indices||[],t),n=wh(e.edgeIndices||[]);function o(e,t){if(e>t){var i=e;e=t,t=i}function r(i,r){return i!==e?e-i:r!==t?t-r:0}for(var s=0,o=(n.length>>1)-1;s<=o;){var a=o+s>>1,l=r(n[2*a],n[2*a+1]);if(l>0)s=a+1;else{if(!(l<0))return a;o=a-1}}return-s-1}var a=new Int32Array(n.length/2);a.fill(0);var l=r.length/3;if(l>8*(1<<t))return[e];var u=new Int32Array(l);u.fill(-1);var c=[];function A(){u.fill(-1);var e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:c.length};return c.push(e),e}for(var h=A(),d=0,p=s.length;d<p;d+=3){var f=0,v=s[d],g=s[d+1],m=s[d+2];if(-1===u[v]&&f++,-1===u[g]&&f++,-1===u[m]&&f++,f+h.numPositions>h.maxNumPositions&&(h=A()),h.bucketNumber>8)return[e];-1===u[v]&&(u[v]=h.numPositions++,h.positionsCompressed.push(r[3*v]),h.positionsCompressed.push(r[3*v+1]),h.positionsCompressed.push(r[3*v+2])),-1===u[g]&&(u[g]=h.numPositions++,h.positionsCompressed.push(r[3*g]),h.positionsCompressed.push(r[3*g+1]),h.positionsCompressed.push(r[3*g+2])),-1===u[m]&&(u[m]=h.numPositions++,h.positionsCompressed.push(r[3*m]),h.positionsCompressed.push(r[3*m+1]),h.positionsCompressed.push(r[3*m+2])),h.indices.push(u[v]),h.indices.push(u[g]),h.indices.push(u[m]);var _=void 0;(_=o(v,g))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(v,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(g,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]]))}var y=t/8*2,b=t/8,x=2*r.length+(s.length+n.length)*y,w=0;return r.length,c.forEach((function(e){w+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*b,e.positionsCompressed.length})),w>x?[e]:(i&&Bh(c,e),c)}({positionsCompressed:r,indices:s,edgeIndices:n},r.length/3>65536?16:8):o=[{positionsCompressed:r,indices:s,edgeIndices:n}];return o}var jh=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e,s))._positions=s.positions||[],s.indices)r._indices=s.indices;else{r._indices=[];for(var n=0,o=r._positions.length/3-1;n<o;n+=2)r._indices.push(n),r._indices.push(n+1)}return r._sceneModel=new Vh(b(r),{isModel:!1}),r._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:r._positions,indices:r._indices}),r._sceneModel.createEntity({meshIds:["linesMesh"],visible:s.visible,clippable:s.clippable,collidable:s.collidable}),r._sceneModel.finalize(),r.scene._lineSetCreated(b(r)),r}return C(i,[{key:"visible",get:function(){return this._sceneModel.visible},set:function(e){this._sceneModel.visible=e}},{key:"positions",get:function(){return this._positions}},{key:"indices",get:function(){return this._indices}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lineSetDestroyed(this)}}]),i}(),Gh=re.vec3(),zh=re.vec3(),Wh=re.vec3(),Kh=re.vec3(),Xh=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"BCFViewpoints",e,s)).originatingSystem=s.originatingSystem||"xeokit.io",r.authoringTool=s.authoringTool||"xeokit.io",r}return C(i,[{key:"getViewpoint",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=this.viewer.scene,r=i.camera,s=i.realWorldOffset,n=!0===t.reverseClippingPlanes,o={},a=re.normalizeVec3(re.subVec3(r.look,r.eye,re.vec3())),l=r.eye,u=r.up;r.yUp&&(a=Zh(a),l=Zh(l),u=Zh(u));var c=Yh(re.addVec3(l,s));"ortho"===r.projection?o.orthogonal_camera={camera_view_point:c,camera_direction:Yh(a),camera_up_vector:Yh(u),view_to_world_scale:r.ortho.scale}:o.perspective_camera={camera_view_point:c,camera_direction:Yh(a),camera_up_vector:Yh(u),field_of_view:r.perspective.fov};var h=i.sectionPlanes;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];if(!p.active)continue;var f=p.pos,v=void 0;v=n?re.negateVec3(p.dir,re.vec3()):p.dir,r.yUp&&(f=Zh(f),v=Zh(v)),re.addVec3(f,s),f=Yh(f),v=Yh(v),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:f,direction:v})}var g=i.lineSets;for(var m in g)if(g.hasOwnProperty(m)){var _=g[m];o.lines||(o.lines=[]);for(var y=_.positions,b=_.indices,x=0,w=b.length/2;x<w;x++){var B=b[2*x],P=b[2*x+1];o.lines.push({start_point:{x:y[3*B+0],y:y[3*B+1],z:y[3*B+2]},end_point:{x:y[3*P+0],y:y[3*P+1],z:y[3*P+2]}})}}var C=i.bitmaps;for(var M in C)if(C.hasOwnProperty(M)){var E=C[M],F=E.pos,k=E.normal,I=E.up;r.yUp&&(F=Zh(F),k=Zh(k),I=Zh(I)),re.addVec3(F,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:E.type,bitmap_data:E.imageData,location:Yh(F),normal:Yh(k),up:Yh(I),height:E.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!t.spacesVisible,space_boundaries_visible:!!t.spaceBoundariesVisible,openings_visible:!!t.openingsVisible,spaces_translucent:!!t.spaces_translucent,space_boundaries_translucent:!!t.space_boundaries_translucent,openings_translucent:!!t.openings_translucent}}};var D=new Set(i.opacityObjectIds),S=new Set(i.xrayedObjectIds),T=new Set(i.colorizedObjectIds),L=Object.values(i.objects).filter((function(e){return D.has(e.id)||T.has(e.id)||S.has(e.id)})).reduce((function(t,r){var s,n=$h(r.colorize);r.xrayed?(s=0===i.xrayMaterial.fillAlpha&&0!==i.xrayMaterial.edgeAlpha?.1:i.xrayMaterial.fillAlpha,n=(s=Math.round(255*s).toString(16).padStart(2,"0"))+n):D.has(r.id)&&(n=(s=Math.round(255*r.opacity).toString(16).padStart(2,"0"))+n),t[n]||(t[n]=[]);var o=r.id,a=r.originalSystemId,l={ifc_guid:a,originating_system:e.originatingSystem};return a!==o&&(l.authoring_tool_id=o),t[n].push(l),t}),{}),R=Object.entries(L).map((function(e){var t=A(e,2);return{color:t[0],components:t[1]}}));o.components.coloring=R;var U=i.objectIds,O=i.visibleObjects,N=i.visibleObjectIds,Q=U.filter((function(e){return!O[e]})),V=i.selectedObjectIds;return t.defaultInvisible||N.length<Q.length?(o.components.visibility.exceptions=this._createBCFComponents(N),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(Q),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(V),o.components.translucency=this._createBCFComponents(i.xrayedObjectIds),!1!==t.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}},{key:"_createBCFComponents",value:function(e){for(var t=this.viewer.scene,i=[],r=0,s=e.length;r<s;r++){var n=e[r],o=t.objects[n];if(o){var a={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==n&&(a.authoring_tool_id=n),i.push(a)}}return i}},{key:"setViewpoint",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(e){var r=this.viewer,s=r.scene,n=s.camera,o=!1!==i.rayCast,a=!1!==i.immediate,l=!1!==i.reset,u=s.realWorldOffset,c=!0===i.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){var t=Jh(e.location,Gh),i=Jh(e.direction,Gh);c&&re.negateVec3(i),re.subVec3(t,u),n.yUp&&(t=qh(t),i=qh(i)),new Cn(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){var A=[],h=[],d=0;e.lines.forEach((function(e){e.start_point&&e.end_point&&(A.push(e.start_point.x),A.push(e.start_point.y),A.push(e.start_point.z),A.push(e.end_point.x),A.push(e.end_point.y),A.push(e.end_point.z),h.push(d++),h.push(d++))})),new jh(s,{positions:A,indices:h,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){var t=e.bitmap_type||"jpg",i=e.bitmap_data,r=Jh(e.location,zh),o=Jh(e.normal,Wh),a=Jh(e.up,Kh),l=e.height||1;t&&i&&r&&o&&a&&(n.yUp&&(r=qh(r),o=qh(o),a=qh(a)),new fo(s,{src:i,type:t,pos:r,normal:o,up:a,clippable:!1,collidable:!0,height:l}))})),l&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!1}))}))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!0}))})));var p=e.components.visibility.view_setup_hints;p&&(!1===p.spaces_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==p.spaces_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcSpace"),!0),p.space_boundaries_visible,!1===p.openings_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcOpening"),!0),p.space_boundaries_translucent,void 0!==p.openings_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.selected=!0}))}))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.xrayed=!0}))}))),e.components.coloring&&e.components.coloring.forEach((function(e){var r=e.color,s=0,n=!1;8===r.length&&((s=parseInt(r.substring(0,2),16)/256)<=1&&s>=.95&&(s=1),r=r.substring(2),n=!0);var o=[parseInt(r.substring(0,2),16)/256,parseInt(r.substring(2,4),16)/256,parseInt(r.substring(4,6),16)/256];e.components.map((function(e){return t._withBCFComponent(i,e,(function(e){e.colorize=o,n&&(e.opacity=s)}))}))}))}if(e.perspective_camera||e.orthogonal_camera){var f,v,g,m;if(e.perspective_camera?(f=Jh(e.perspective_camera.camera_view_point,Gh),v=Jh(e.perspective_camera.camera_direction,Gh),g=Jh(e.perspective_camera.camera_up_vector,Gh),n.perspective.fov=e.perspective_camera.field_of_view,m="perspective"):(f=Jh(e.orthogonal_camera.camera_view_point,Gh),v=Jh(e.orthogonal_camera.camera_direction,Gh),g=Jh(e.orthogonal_camera.camera_up_vector,Gh),n.ortho.scale=e.orthogonal_camera.view_to_world_scale,m="ortho"),re.subVec3(f,u),n.yUp&&(f=qh(f),v=qh(v),g=qh(g)),o){var _=s.pick({pickSurface:!0,origin:f,direction:v});v=_?_.worldPos:re.addVec3(f,v,Gh)}else v=re.addVec3(f,v,Gh);a?(n.eye=f,n.look=v,n.up=g,n.projection=m):r.cameraFlight.flyTo({eye:f,look:v,up:g,duration:i.duration,projection:m})}}}},{key:"_withBCFComponent",value:function(e,t,i){var r=this.viewer,s=r.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){var n=t.authoring_tool_id,o=s.objects[n];if(o)return void i(o);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[n])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}if(t.ifc_guid){var a=t.ifc_guid,l=s.objects[a];if(l)return void i(l);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[a])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(a),i);Object.keys(s.models).forEach((function(t){var n=re.globalizeObjectId(t,a),o=s.objects[n];o?i(o):e.updateCompositeObjects&&r.metaScene.metaObjects[n]&&s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}();function Yh(e){return{x:e[0],y:e[1],z:e[2]}}function Jh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function Zh(e){return new Float64Array([e[0],-e[2],e[1]])}function qh(e){return new Float64Array([e[0],e[2],-e[1]])}function $h(e){var t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0")}var ed=re.vec3(),td=re.vec3(),id=function(e,t,i,r){var s=e-i,n=t-r;return Math.sqrt(s*s+n*n)};var rd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";r._eventSubs={};var n=r.plugin.viewer.scene;r._originWorld=re.vec3(),r._targetWorld=re.vec3(),r._wp=new Float64Array(24),r._vp=new Float64Array(24),r._pp=new Float64Array(24),r._cp=new Float64Array(8),r._xAxisLabelCulled=!1,r._yAxisLabelCulled=!1,r._zAxisLabelCulled=!1,r._color=s.color||r.plugin.defaultColor;var o=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},u=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},c=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},A=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,h=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};return r._originDot=new ct(n,s.origin,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._targetDot=new ct(n,s.target,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._lengthWire=new pt(r._container,{color:r._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._xAxisWire=new pt(r._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._yAxisWire=new pt(r._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._zAxisWire=new pt(r._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._lengthLabel=new ft(r._container,{fillColor:r._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._xAxisLabel=new ft(r._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._yAxisLabel=new ft(r._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._zAxisLabel=new ft(r._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._measurementOrientation="Horizontal",r._wpDirty=!1,r._vpDirty=!1,r._cpDirty=!1,r._sectionPlanesDirty=!0,r._visible=!1,r._originVisible=!1,r._targetVisible=!1,r._useRotationAdjustment=!1,r._wireVisible=!1,r._axisVisible=!1,r._xAxisVisible=!1,r._yAxisVisible=!1,r._zAxisVisible=!1,r._axisEnabled=!0,r._xLabelEnabled=!1,r._yLabelEnabled=!1,r._zLabelEnabled=!1,r._lengthLabelEnabled=!1,r._labelsVisible=!1,r._labelsOnWires=!1,r._clickable=!1,r._originDot.on("worldPos",(function(e){r._originWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._targetDot.on("worldPos",(function(e){r._targetWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._onViewMatrix=n.camera.on("viewMatrix",(function(){r._vpDirty=!0,r._needUpdate(0)})),r._onProjMatrix=n.camera.on("projMatrix",(function(){r._cpDirty=!0,r._needUpdate()})),r._onCanvasBoundary=n.canvas.on("boundary",(function(){r._cpDirty=!0,r._needUpdate(0)})),r._onMetricsUnits=n.metrics.on("units",(function(){r._cpDirty=!0,r._needUpdate()})),r._onMetricsScale=n.metrics.on("scale",(function(){r._cpDirty=!0,r._needUpdate()})),r._onMetricsOrigin=n.metrics.on("origin",(function(){r._cpDirty=!0,r._needUpdate()})),r._onSectionPlaneUpdated=n.on("sectionPlaneUpdated",(function(){r._sectionPlanesDirty=!0,r._needUpdate()})),r.approximate=s.approximate,r.visible=s.visible,r.originVisible=s.originVisible,r.targetVisible=s.targetVisible,r.wireVisible=s.wireVisible,r.axisVisible=s.axisVisible,r.xAxisVisible=s.xAxisVisible,r.yAxisVisible=s.yAxisVisible,r.zAxisVisible=s.zAxisVisible,r.xLabelEnabled=s.xLabelEnabled,r.yLabelEnabled=s.yLabelEnabled,r.zLabelEnabled=s.zLabelEnabled,r.lengthLabelEnabled=s.lengthLabelEnabled,r.labelsVisible=s.labelsVisible,r.labelsOnWires=s.labelsOnWires,r._useRotationAdjustment=s.useRotationAdjustment,r._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r}return C(i,[{key:"axesBasis",get:function(){return this._axesBasis},set:function(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}},{key:"_update",value:function(){if(this._visible){var e=this.plugin.viewer.scene;if(this._wpDirty){var t=re.subVec3(this._targetWorld,this._originWorld,td);this._factors=re.transformVec3(this._axesBasis,t),this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1):(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1),this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(re.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}var i=this._originDot.viewPos[2],r=this._targetDot.viewPos[2];if(i>-.3||r>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){re.transformPositions4(e.camera.project.matrix,this._vp,this._pp);for(var s=this._pp,n=this._cp,o=e.canvas.canvas.getBoundingClientRect(),a=this._container.getBoundingClientRect(),l=o.top-a.top,u=o.left-a.left,c=e.canvas.boundary,A=c[2],h=c[3],d=0,p=this.plugin.viewer.scene.metrics,f=p.scale,v=p.units,g=p.unitsInfo[v].abbrev,m=0,_=s.length;m<_;m+=4)n[d]=u+Math.floor((1+s[m+0]/s[m+3])*A/2),n[d+1]=l+Math.floor((1-s[m+1]/s[m+3])*h/2),d+=2;if(this._lengthWire.setStartAndEnd(n[0],n[1],n[6],n[7]),this._xAxisWire.setStartAndEnd(n[0],n[1],n[2],n[3]),this._yAxisWire.setStartAndEnd(n[2],n[3],n[4],n[5]),this._zAxisWire.setStartAndEnd(n[4],n[5],n[6],n[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(n[0],n[1],n[6],n[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(n[0],n[1],n[2],n[3]),this._yAxisLabel.setPosOnWire(n[2],n[3],n[4],n[5]),this._zAxisLabel.setPosOnWire(n[4],n[5],n[6],n[7]);else{var y=35;this._xAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y),y+=35,this._yAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y),y+=35,this._zAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y)}var b=this._approximate?" ~ ":" = ";this._length=Math.abs(re.lenVec3(re.subVec3(this._targetWorld,this._originWorld,ed))),this._lengthLabel.setText(b+(this._length*f).toFixed(2)+g);var x=Math.abs(id(n[0],n[1],n[2],n[3])),w=Math.abs(id(n[2],n[3],n[4],n[5])),B=Math.abs(id(n[4],n[5],n[6],n[7])),P=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=x<P,this._yAxisLabelCulled=w<P,this._zAxisLabelCulled=B<P):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(b+Math.abs(this._factors[0]*f).toFixed(2)+g),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(b+Math.abs(this._factors[1]*f).toFixed(2)+g),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(b+Math.abs(re.lenVec3(re.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],ed))*f).toFixed(2)+g)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(b+Math.abs(this._factors[2]*f).toFixed(2)+g)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}}},{key:"_isSliced",value:function(e){for(var t=this.scene._sectionPlanesState.sectionPlanes,i=0,r=t.length;i<r;i++){var s=t[i];if(re.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}},{key:"origin",get:function(){return this._originDot}},{key:"target",get:function(){return this._targetDot}},{key:"length",get:function(){this._update();var e=this.plugin.viewer.scene.metrics.scale;return this._length*e}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}},{key:"visible",get:function(){return this._visible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);var t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,r=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(r),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(r&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"originVisible",get:function(){return this._originVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}},{key:"targetVisible",get:function(){return this._targetVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment},set:function(e){e=void 0!==e?Boolean(e):this.plugin.useRotationAdjustment,this._useRotationAdjustment=e}},{key:"axisEnabled",get:function(){return this._axisEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"axisVisible",get:function(){return this._axisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}},{key:"xAxisVisible",get:function(){return this._xAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;var t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"yAxisVisible",get:function(){return this._yAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;var t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"zAxisVisible",get:function(){return this._zAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;var t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"wireVisible",get:function(){return this._wireVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}},{key:"labelsVisible",get:function(){return this._labelsVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"xLabelEnabled",get:function(){return this._xLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"yLabelEnabled",get:function(){return this._yLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"zLabelEnabled",get:function(){return this._zLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"lengthLabelEnabled",get:function(){return this._lengthLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"labelsOnWires",get:function(){return this._labelsOnWires},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}},{key:"setHighlighted",value:function(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}},{key:"clickable",get:function(){return this._clickable},set:function(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}},{key:"destroy",value:function(){var e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),sd=function(e){g(i,Ce);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),nd=function(e){g(i,sd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);var t=this.distanceMeasurementsPlugin,i=this.scene,r=t.viewer.cameraControl,s=i.canvas.canvas;i.input;var n,o,a=!1,l=re.vec3(),u=re.vec2(),c=null;this._mouseState=0;var A=re.vec2(),h=function(t){var i=t.snappedCanvasPos||t.canvasPos;if(a=!0,l.set(t.worldPos),u.set(t.canvasPos),0===e._mouseState){if(e._canvasToPagePos)e._canvasToPagePos(s,i,A),e._markerDiv.style.left="".concat(A[0]-5,"px"),e._markerDiv.style.top="".concat(A[1]-5,"px");else{var r=re.vec2(i);ut(s,e._markerDiv.parentNode,r),e._markerDiv.style.left="".concat(r[0]-5,"px"),e._markerDiv.style.top="".concat(r[1]-5,"px")}e._markerDiv.style.background="pink",t.snappedToVertex||t.snappedToEdge?(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,e.pointerLens.snapped=!0),e._markerDiv.style.background="greenyellow",e._markerDiv.style.border="2px solid green"):(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.canvasPos,e.pointerLens.snapped=!1),e._markerDiv.style.background="pink",e._markerDiv.style.border="2px solid red"),c=t.entity}else e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px";s.style.cursor="pointer",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=e._currentDistanceMeasurementInitState.wireVisible,e._currentDistanceMeasurement.axisVisible=e._currentDistanceMeasurementInitState.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurement.xAxisVisible=e._currentDistanceMeasurementInitState.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurement.yAxisVisible=e._currentDistanceMeasurementInitState.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurement.zAxisVisible=e._currentDistanceMeasurementInitState.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurement.targetVisible=e._currentDistanceMeasurementInitState.targetVisible,e._currentDistanceMeasurement.target.worldPos=l.slice(),e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&h(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||h(t)})),s.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(n=e.clientX,o=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=function(i){1===i.which&&(i.clientX>n+20||i.clientX<n-20||i.clientY>o+20||i.clientY<o-20||(e._currentDistanceMeasurement?a?(e._currentDistanceMeasurement.target.entity=c,c=null,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):(e._currentDistanceMeasurement.destroy(),e.distanceMeasurementsPlugin.fire("measurementCancel",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,c=null):a&&(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:l.slice(),entity:c},target:{worldPos:l.slice(),entity:c},approximate:!0}),e._currentDistanceMeasurementInitState.axisVisible=e._currentDistanceMeasurement.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurementInitState.xAxisVisible=e._currentDistanceMeasurement.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurementInitState.yAxisVisible=e._currentDistanceMeasurement.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurementInitState.zAxisVisible=e._currentDistanceMeasurement.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurementInitState.wireVisible=e._currentDistanceMeasurement.wireVisible,e._currentDistanceMeasurementInitState.targetVisible=e._currentDistanceMeasurement.targetVisible,e._currentDistanceMeasurement.clickable=!1,e._currentDistanceMeasurement.origin.entity=c,c=null,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement))))});var d=function(t){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos),a=!1,e._markerDiv.style.left="-100px",e._markerDiv.style.top="-100px",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&d(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||d(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),od=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"DistanceMeasurements",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.labelMinAxisLength=s.labelMinAxisLength,r.defaultVisible=!1!==s.defaultVisible,r.defaultOriginVisible=!1!==s.defaultOriginVisible,r.defaultTargetVisible=!1!==s.defaultTargetVisible,r.defaultWireVisible=!1!==s.defaultWireVisible,r.defaultXLabelEnabled=!1!==s.defaultXLabelEnabled,r.defaultYLabelEnabled=!1!==s.defaultYLabelEnabled,r.defaultZLabelEnabled=!1!==s.defaultZLabelEnabled,r.defaultLengthLabelEnabled=!1!==s.defaultLengthLabelEnabled,r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.defaultAxisVisible=!1!==s.defaultAxisVisible,r.defaultXAxisVisible=!1!==s.defaultXAxisVisible,r.defaultYAxisVisible=!1!==s.defaultYAxisVisible,r.defaultZAxisVisible=!1!==s.defaultZAxisVisible,r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r.defaultLabelsOnWires=!1!==s.defaultLabelsOnWires,r.useRotationAdjustment=void 0!==s.useRotationAdjustment&&!1!==s.useRotationAdjustment,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"pointerLens",get:function(){return this._pointerLens}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new nd(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"labelMinAxisLength",get:function(){return this._labelMinAxisLength},set:function(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment},set:function(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.target,s=new rd(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},target:{entity:r.entity,worldPos:r.worldPos},visible:t.visible,wireVisible:t.wireVisible,axisVisible:!1!==t.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==t.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==t.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==t.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==t.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==t.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==t.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==t.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==t.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:t.originVisible,targetVisible:t.targetVisible,color:t.color,labelsOnWires:!1!==t.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(function(){delete e._measurements[s.id]})),this.fire("measurementCreated",s),s}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=A(i[t],2);r[0];r[1].labelShown=e}}},{key:"setAxisVisible",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=A(i[t],2);r[0];r[1].axisVisible=e}this.defaultAxisVisible=e}},{key:"getAxisVisible",value:function(){return this.defaultAxisVisible}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ad=function(e){g(i,sd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Re(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),c=null,A=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(u){var d=u.touches.length;if(1===d){var p=u.touches[0],f=r.getBoundingClientRect(),v=p.clientX-f.left,g=p.clientY-f.top;switch(a.set([v,g]),l.set([v,g]),e._touchState){case 0:if(1!==d&&null!==o)return o&&(clearTimeout(o),o=null),e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),h(),void(e._touchState=0);var m=i.pick({canvasPos:l,snapping:e._snapping,snapToEdge:e._snapping});if(m&&m.snapped)s.set(m.worldPos),e.pointerCircle.start(m.snappedCanvasPos);else{var _=i.pick({canvasPos:l,pickSurface:!0});if(!_||!_.worldPos)return;s.set(_.worldPos),e.pointerCircle.start(_.canvasPos)}o=setTimeout((function(){1!==d||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=m.canvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=s:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:s,entity:m.entity},target:{worldPos:s,entity:m.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement),e._touchState=2,A())}),e._longTouchTimeoutMs),e._touchState=1,c=p.identifier;break;case 3:if(1!==d&&null!==o)return clearTimeout(o),void(o=null);1===d&&(o=setTimeout((function(){if(o=null,!(1!==d||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentDistanceMeasurement.target.worldPos=t.worldPos,e._currentDistanceMeasurement.target.entity=t.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentDistanceMeasurement.target.worldPos=r.worldPos,e._currentDistanceMeasurement.target.entity=r.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,A()}}),e._longTouchTimeoutMs),e._touchState=4),c=p.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(n){e.pointerCircle.stop();var a=n.touches.length;if(1===a&&1===n.changedTouches.length){var u,A,h=n.touches[0],d=r.getBoundingClientRect(),p=h.clientX-d.left,f=h.clientY-d.top;if(h.identifier===c)switch(l.set([p,f]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(u=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&u.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=u.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(u.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=u.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:u.worldPos,entity:u.entity},target:{worldPos:u.worldPos,entity:u.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(A=i.pick({canvasPos:l,pickSurface:!0}))&&A.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=A.canvasPos,e.pointerLens.snapped=!1),s.set(A.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=A.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:A.worldPos,entity:A.entity},target:{worldPos:A.worldPos,entity:A.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==a&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(u=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&u.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=u.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement.target.worldPos=u.worldPos,e._currentDistanceMeasurement.target.entity=u.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0):(A=i.pick({canvasPos:l,pickSurface:!0}))&&A.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=A.canvasPos,e.pointerLens.snapped=!1),e._currentDistanceMeasurement.target.worldPos=A.worldPos,e._currentDistanceMeasurement.target.entity=A.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0),e._touchState=5}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(s){e.pointerCircle.stop();var A=s.changedTouches.length;if(1===A){var d=s.changedTouches[0],p=r.getBoundingClientRect(),f=d.clientX-p.left,v=d.clientY-p.top;if(d.identifier===c)switch(o&&(clearTimeout(o),o=null),u.set([f,v]),e._touchState){case 1:if(1!==A||f>a[0]+n||f<a[0]-n||v>a[1]+n||v<a[1]-n)return void(e._touchState=0);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:g.worldPos,entity:g.entity},target:{worldPos:g.worldPos,entity:g.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1,e._touchState=3,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(e._currentDistanceMeasurement&&e._currentDistanceMeasurement.destroy(),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==A||f>a[0]+n||f<a[0]-n||v>a[1]+n||v<a[1]-n)return void(e._touchState=3);var m=i.pick({canvasPos:l,pickSurface:!0});m&&m.worldPos?(e._currentDistanceMeasurement.target.worldPos=m.worldPos,e._currentDistanceMeasurement.target.entity=m.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e._currentDistanceMeasurement.xAxisVisible=!0,e._currentDistanceMeasurement.yAxisVisible=!0,e._currentDistanceMeasurement.zAxisVisible=!0,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0,h();break;case 5:console.log("long touch"),e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement&&e._currentDistanceMeasurement.targetVisible?(e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,e._touchState=0):(e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ld=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=ht({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ud=function(e){g(i,ld);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),cd=function(e){g(i,ld);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Ad=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,"FastNav",e))._hideColorTexture=!1!==s.hideColorTexture,r._hidePBR=!1!==s.hidePBR,r._hideSAO=!1!==s.hideSAO,r._hideEdges=!1!==s.hideEdges,r._hideTransparentObjects=!!s.hideTransparentObjects,r._scaleCanvasResolution=!!s.scaleCanvasResolution,r._defaultScaleCanvasResolutionFactor=s.defaultScaleCanvasResolutionFactor||1,r._scaleCanvasResolutionFactor=s.scaleCanvasResolutionFactor||.6,r._delayBeforeRestore=!1!==s.delayBeforeRestore,r._delayBeforeRestoreSeconds=s.delayBeforeRestoreSeconds||.5;var n=1e3*r._delayBeforeRestoreSeconds,o=!1,a=function(){n=1e3*r._delayBeforeRestoreSeconds,o||(e.scene._renderer.setColorTextureEnabled(!r._hideColorTexture),e.scene._renderer.setPBREnabled(!r._hidePBR),e.scene._renderer.setSAOEnabled(!r._hideSAO),e.scene._renderer.setTransparentEnabled(!r._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!r._hideEdges),r._scaleCanvasResolution?e.scene.canvas.resolutionScale=r._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,o=!0)},l=function(){e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),o=!1};r._onCanvasBoundary=e.scene.canvas.on("boundary",a),r._onCameraMatrix=e.scene.camera.on("matrix",a),r._onSceneTick=e.scene.on("tick",(function(e){o&&(n-=e.deltaTime,(!r._delayBeforeRestore||n<=0)&&l())}));var u=!1;return r._onSceneMouseDown=e.scene.input.on("mousedown",(function(){u=!0})),r._onSceneMouseUp=e.scene.input.on("mouseup",(function(){u=!1})),r._onSceneMouseMove=e.scene.input.on("mousemove",(function(){u&&a()})),r}return C(i,[{key:"hideColorTexture",get:function(){return this._hideColorTexture},set:function(e){this._hideColorTexture=e}},{key:"hidePBR",get:function(){return this._hidePBR},set:function(e){this._hidePBR=e}},{key:"hideSAO",get:function(){return this._hideSAO},set:function(e){this._hideSAO=e}},{key:"hideEdges",get:function(){return this._hideEdges},set:function(e){this._hideEdges=e}},{key:"hideTransparentObjects",get:function(){return this._hideTransparentObjects},set:function(e){this._hideTransparentObjects=!1!==e}},{key:"scaleCanvasResolution",get:function(){return this._scaleCanvasResolution},set:function(e){this._scaleCanvasResolution=e}},{key:"defaultScaleCanvasResolutionFactor",get:function(){return this._defaultScaleCanvasResolutionFactor},set:function(e){this._defaultScaleCanvasResolutionFactor=e||1}},{key:"scaleCanvasResolutionFactor",get:function(){return this._scaleCanvasResolutionFactor},set:function(e){this._scaleCanvasResolutionFactor=e||.6}},{key:"delayBeforeRestore",get:function(){return this._delayBeforeRestore},set:function(e){this._delayBeforeRestore=e}},{key:"delayBeforeRestoreSeconds",get:function(){return this._delayBeforeRestoreSeconds},set:function(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),hd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getMetaModel",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLTF",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLB",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getArrayBuffer",value:function(e,t,i,r){!function(e,t,i,r){var s=function(){};i=i||s,r=r||s;var n=/^data:(.*?)(;base64)?,(.*)$/,o=t.match(n);if(o){var a=!!o[2],l=o[3];l=window.decodeURIComponent(l),a&&(l=window.atob(l));try{for(var u=new ArrayBuffer(l.length),c=new Uint8Array(u),A=0;A<l.length;A++)c[A]=l.charCodeAt(A);we.scheduleTask((function(){i(u)}))}catch(e){we.scheduleTask((function(){r(e)}))}}else{var h=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),d=h+t,p=new XMLHttpRequest;p.open("GET",d,!0),p.responseType="arraybuffer",p.onreadystatechange=function(){4===p.readyState&&(200===p.status?i(p.response):r("loadArrayBuffer error : "+p.response))},p.send(null)}}(this._cacheBusterURL(e),t,(function(e){i(e)}),(function(e){r(e)}))}}]),e}();var dd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=t.messages,this.locale=t.locale}return C(e,[{key:"messages",set:function(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}},{key:"loadMessages",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};for(var t in e)this._messages[t]=e[t];this.messages=this._messages}},{key:"clearMessages",value:function(){this.messages={}}},{key:"locales",get:function(){return this._locales}},{key:"locale",get:function(){return this._locale},set:function(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}},{key:"translate",value:function(e,t){var i=this._messages[this._locale];if(!i)return null;var r=pd(e,i);return r?t?fd(r,t):r:null}},{key:"translatePlurals",value:function(e,t,i){var r=this._messages[this._locale];if(!r)return null;var s=pd(e,r);return(s=0===(t=parseInt(""+t,10))?s.zero:t>1?s.other:s.one)?(s=fd(s,[t]),i&&(s=fd(s,i)),s):null}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);var r=this._eventSubs[e];if(r)for(var s in r){if(r.hasOwnProperty(s))r[s].callback(t)}}},{key:"on",value:function(e,t){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new G),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});var i=this._eventSubs[e];i||(i={},this._eventSubs[e]=i);var r=this._eventSubIDMap.addItem();i[r]={callback:t},this._eventSubEvents[r]=e;var s=this._events[e];return void 0!==s&&t(s),r}},{key:"off",value:function(e){if(null!=e&&this._eventSubEvents){var t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];var i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}}]),e}();function pd(e,t){if(t[e])return t[e];for(var i=e.split("."),r=t,s=0,n=i.length;r&&s<n;s++){r=r[i[s]]}return r}function fd(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}var vd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).t=s.t,r}return C(i,[{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"tangent",get:function(){return this.getTangent(this._t)}},{key:"length",get:function(){var e=this._getLengths();return e[e.length-1]}},{key:"getTangent",value:function(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,r=e+t;i<0&&(i=0),r>1&&(r=1);var s=this.getPoint(i),n=this.getPoint(r),o=re.subVec3(n,s,[]);return re.normalizeVec3(o,[])}},{key:"getPointAt",value:function(e){var t=this.getUToTMapping(e);return this.getPoint(t)}},{key:"getPoints",value:function(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}},{key:"_getLengths",value:function(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,r=[],s=this.getPoint(0),n=0;for(r.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),n+=re.lenVec3(re.subVec3(t,s,[])),r.push(n),s=t;return this.cacheArcLengths=r,r}},{key:"_updateArcLengths",value:function(){this.needsUpdate=!0,this._getLengths()}},{key:"getUToTMapping",value:function(e,t){var i,r=this._getLengths(),s=0,n=r.length;i=t||e*r[n-1];for(var o,a=0,l=n-1;a<=l;)if((o=r[s=Math.floor(a+(l-a)/2)]-i)<0)a=s+1;else{if(!(o>0)){l=s;break}l=s-1}if(r[s=l]===i)return s/(n-1);var u=r[s];return(s+(i-u)/(r[s+1]-u))/(n-1)}}]),i}(),gd=function(e){g(i,vd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).points=s.points,r.t=s.t,r}return C(i,[{key:"points",get:function(){return this._points},set:function(e){this._points=e||[]}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,r=Math.floor(i),s=i-r,n=t[0===r?r:r-1],o=t[r],a=t[r>t.length-2?t.length-1:r+1],l=t[r>t.length-3?t.length-1:r+2],u=re.vec3();return u[0]=re.catmullRomInterpolate(n[0],o[0],a[0],l[0],s),u[1]=re.catmullRomInterpolate(n[1],o[1],a[1],l[1],s),u[2]=re.catmullRomInterpolate(n[2],o[2],a[2],l[2],s),u}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}},{key:"getJSON",value:function(){return{points:points,t:this._t}}}]),i}(),md=re.vec3(),_d=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._frames=[],r._eyeCurve=new gd(b(r)),r._lookCurve=new gd(b(r)),r._upCurve=new gd(b(r)),s.frames&&(r.addFrames(s.frames),r.smoothFrameTimes(1)),r}return C(i,[{key:"type",get:function(){return"CameraPath"}},{key:"frames",get:function(){return this._frames}},{key:"eyeCurve",get:function(){return this._eyeCurve}},{key:"lookCurve",get:function(){return this._lookCurve}},{key:"upCurve",get:function(){return this._upCurve}},{key:"saveFrame",value:function(e){var t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}},{key:"addFrame",value:function(e,t,i,r){var s={t:e,eye:t.slice(0),look:i.slice(0),up:r.slice(0)};this._frames.push(s),this._eyeCurve.points.push(s.eye),this._lookCurve.points.push(s.look),this._upCurve.points.push(s.up)}},{key:"addFrames",value:function(e){for(var t,i=0,r=e.length;i<r;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}},{key:"loadFrame",value:function(e){var t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,md),t.look=this._lookCurve.getPoint(e,md),t.up=this._upCurve.getPoint(e,md)}},{key:"sampleFrame",value:function(e,t,i,r){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,r)}},{key:"smoothFrameTimes",value:function(e){if(0!==this._frames.length){var t=re.vec3(),i=0;this._frames[0].t=0;for(var r=[],s=1,n=this._frames.length;s<n;s++){var o=re.lenVec3(re.subVec3(this._frames[s].eye,this._frames[s-1].eye,t));r[s]=o,i+=o}for(var a=1,l=this._frames.length;a<l;a++){var u=r[a]/i*e;this._frames[a].t=this._frames[a-1].t+u}}}},{key:"clearFrames",value:function(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}]),i}(),yd=re.vec3(),bd=re.vec3(),xd=re.vec3(),wd=re.vec3(),Bd=re.vec3(),Pd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._look1=re.vec3(),r._eye1=re.vec3(),r._up1=re.vec3(),r._look2=re.vec3(),r._eye2=re.vec3(),r._up2=re.vec3(),r._orthoScale1=1,r._orthoScale2=1,r._flying=!1,r._flyEyeLookUp=!1,r._flyingEye=!1,r._flyingLook=!1,r._callback=null,r._callbackScope=null,r._time1=null,r._time2=null,r.easing=!1!==s.easing,r.duration=s.duration,r.fit=s.fit,r.fitFOV=s.fitFOV,r.trail=s.trail,r}return C(i,[{key:"type",get:function(){return"CameraFlightAnimation"}},{key:"flyTo",value:function(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;var r,s,n,o,a,l=this.scene.camera,u=!!e.projection&&e.projection!==l.projection;if(this._eye1[0]=l.eye[0],this._eye1[1]=l.eye[1],this._eye1[2]=l.eye[2],this._look1[0]=l.look[0],this._look1[1]=l.look[1],this._look1[2]=l.look[2],this._up1[0]=l.up[0],this._up1[1]=l.up[1],this._up1[2]=l.up[2],this._orthoScale1=l.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)r=e.aabb;else if(6===e.length)r=e;else if(e.eye&&e.look||e.up)s=e.eye,n=e.look,o=e.up;else if(e.eye)s=e.eye;else if(e.look)n=e.look;else{var c=e;if((he.isNumeric(c)||he.isString(c))&&(a=c,!(c=this.scene.components[a])))return this.error("Component not found: "+he.inQuotes(a)),void(t&&(i?t.call(i):t()));u||(r=c.aabb||this.scene.aabb)}var A=e.poi;if(r){if(r[3]<r[0]||r[4]<r[1]||r[5]<r[2])return;if(r[3]===r[0]&&r[4]===r[1]&&r[5]===r[2])return;r=r.slice();var h=re.getAABB3Center(r);this._look2=A||h;var d=re.subVec3(this._eye1,this._look1,yd),p=re.normalizeVec3(d),f=A?re.getAABB3DiagPoint(r,A):re.getAABB3Diag(r),v=e.fitFOV||this._fitFOV,g=Math.abs(f/Math.tan(v*re.DEGTORAD));this._orthoScale2=1.1*f,this._eye2[0]=this._look2[0]+p[0]*g,this._eye2[1]=this._look2[1]+p[1]*g,this._eye2[2]=this._look2[2]+p[2]*g,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(s||n||o)&&(this._flyingEyeLookUp=!!s&&!!n&&!!o,this._flyingEye=!!s&&!n,this._flyingLook=!!n&&!s,s&&(this._eye2[0]=s[0],this._eye2[1]=s[1],this._eye2[2]=s[2]),n&&(this._look2[0]=n[0],this._look2[1]=n[1],this._look2[2]=n[2]),o&&(this._up2[0]=o[0],this._up2[1]=o[1],this._up2[2]=o[2]));u?("ortho"===e.projection&&"ortho"!==l.projection&&(this._projection2="ortho",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.ortho.matrix.slice(),l.projection="customProjection"),"perspective"===e.projection&&"perspective"!==l.projection&&(this._projection2="perspective",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.perspective.matrix.slice(),l.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,we.scheduleTask(this._update,this)}},{key:"jumpTo",value:function(e){this._jumpTo(e)}},{key:"_jumpTo",value:function(e){this._flying&&this.stop();var t,i,r,s,n,o=this.scene.camera;if(e.aabb)t=e.aabb;else if(6===e.length)t=e;else if(e.eye||e.look||e.up)r=e.eye,s=e.look,n=e.up;else{var a=e;if((he.isNumeric(a)||he.isString(a))&&(i=a,!(a=this.scene.components[i])))return void this.error("Component not found: "+he.inQuotes(i));t=a.aabb||this.scene.aabb}var l=e.poi;if(t){if(t[3]<=t[0]||t[4]<=t[1]||t[5]<=t[2])return;var u,c=l?re.getAABB3DiagPoint(t,l):re.getAABB3Diag(t);s=l||re.getAABB3Center(t,s),this._trail?re.subVec3(o.look,s,Bd):re.subVec3(o.eye,o.look,Bd),re.normalizeVec3(Bd),u=(void 0!==e.fit?e.fit:this._fit)?Math.abs(c/Math.tan((e.fitFOV||this._fitFOV)*re.DEGTORAD)):re.lenVec3(re.subVec3(o.eye,o.look,yd)),re.mulVec3Scalar(Bd,u),o.eye=re.addVec3(s,Bd,yd),o.look=s,this.scene.camera.ortho.scale=1.1*c}else(r||s||n)&&(r&&(o.eye=r),s&&(o.look=s),n&&(o.up=n));e.projection&&(o.projection=e.projection)}},{key:"_update",value:function(){if(this._flying){var e=(Date.now()-this._time1)/(this._time2-this._time1),t=e>=1;e>1&&(e=1);var r=this.easing?i._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(re.subVec3(s.eye,s.look,Bd),s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,xd),s.look=re.subVec3(xd,Bd,bd)):this._flyingLook&&(s.look=re.lerpVec3(r,0,1,this._look1,this._look2,bd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,wd)):this._flyingEyeLookUp&&(s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,xd),s.look=re.lerpVec3(r,0,1,this._look1,this._look2,bd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,wd)),this._projection2){var n="ortho"===this._projection2?i._easeOutExpo(e,0,1,1):i._easeInCubic(e,0,1,1);s.customProjection.matrix=re.lerpMat4(n,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();we.scheduleTask(this._update,this)}}},{key:"stop",value:function(){if(this._flying){this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);var e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}}},{key:"cancel",value:function(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}},{key:"duration",get:function(){return this._duration/1e3},set:function(e){this._duration=e?1e3*e:500,this.stop()}},{key:"fit",get:function(){return this._fit},set:function(e){this._fit=!1!==e}},{key:"fitFOV",get:function(){return this._fitFOV},set:function(e){this._fitFOV=e||45}},{key:"trail",get:function(){return this._trail},set:function(e){this._trail=!!e}},{key:"destroy",value:function(){this.stop(),f(x(i.prototype),"destroy",this).call(this)}}],[{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"_easeInCubic",value:function(e,t,i,r){return i*(e/=r)*e*e+t}},{key:"_easeOutExpo",value:function(e,t,i,r){return i*(1-Math.pow(2,-10*e/r))+t}}]),i}(),Cd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._cameraFlightAnimation=new Pd(b(r)),r._t=0,r.state=i.SCRUBBING,r._playingFromT=0,r._playingToT=0,r._playingRate=s.playingRate||1,r._playingDir=1,r._lastTime=null,r.cameraPath=s.cameraPath,r._tick=r.scene.on("tick",r._updateT,b(r)),r}return C(i,[{key:"type",get:function(){return"CameraPathAnimation"}},{key:"_updateT",value:function(){var e=this._cameraPath;if(e){var t,r,s=performance.now(),n=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==n)switch(this.state){case i.SCRUBBING:return;case i.PLAYING:if(this._t+=this._playingRate*n,0===(t=this._cameraPath.frames.length)||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=i.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case i.PLAYING_TO:r=this._t+this._playingRate*n*this._playingDir,(this._playingDir<0&&r<=this._playingToT||this._playingDir>0&&r>=this._playingToT)&&(r=this._playingToT,this.state=i.SCRUBBING,this.fire("stopped")),this._t=r,e.loadFrame(this._t)}}}},{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"cameraPath",get:function(){return this._cameraPath},set:function(e){this._cameraPath=e}},{key:"rate",get:function(){return this._playingRate},set:function(e){this._playingRate=e}},{key:"play",value:function(){this._cameraPath&&(this._lastTime=null,this.state=i.PLAYING)}},{key:"playToT",value:function(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=i.PLAYING_TO)}},{key:"playToFrame",value:function(e){var t=this._cameraPath;if(t){var i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}}},{key:"flyToFrame",value:function(e,t){var r=this._cameraPath;if(r){var s=r.frames[e];s?(this.state=i.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}}},{key:"scrubToT",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=i.SCRUBBING))}},{key:"scrubToFrame",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(t.frames[e]?(t.loadFrame(this._t),this.state=i.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)))}},{key:"stop",value:function(){this.state=i.SCRUBBING,this.fire("stopped")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene.off(this._tick)}}]),i}();Cd.STOPPED=0,Cd.SCRUBBING=1,Cd.PLAYING=2,Cd.PLAYING_TO=3;var Md=re.vec3(),Ed=re.vec3();re.vec3();var Fd=re.vec3([0,-1,0]),kd=re.vec4([0,0,0,1]),Id=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new qn(b(r)),r._plane=new _n(b(r),{geometry:new Xi(b(r),uo({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new $i(b(r),{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:r._texture,emissiveMap:r._texture,backfaces:!0}),clippable:s.clippable}),r._grid=new _n(b(r),{geometry:new Xi(b(r),lo({size:1,divisions:10})),material:new $i(b(r),{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:s.clippable}),r._node=new Rn(b(r),{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[r._plane,r._grid]}),r._gridVisible=!1,r.visible=!0,r.gridVisible=s.gridVisible,r.position=s.position,r.rotation=s.rotation,r.dir=s.dir,r.size=s.size,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"visible",get:function(){return this._plane.visible},set:function(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}},{key:"gridVisible",get:function(){return this._gridVisible},set:function(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"position",get:function(){return this._pos},set:function(e){this._pos.set(e||[0,0,0]),je(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}},{key:"rotation",get:function(){return this._node.rotation},set:function(e){this._node.rotation=e}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"dir",get:function(){return this._dir},set:function(e){if(this._dir.set(e||[0,0,-1]),e){var t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];re.subVec3(t,this.position,Md);var r=-re.dotVec3(i,Md);re.normalizeVec3(i),re.mulVec3Scalar(i,r,Ed),re.vec3PairToQuaternion(Fd,e,kd),this._node.quaternion=kd}}},{key:"collidable",get:function(){return this._node.collidable},set:function(e){this._node.collidable=!1!==e}},{key:"clippable",get:function(){return this._node.clippable},set:function(e){this._node.clippable=!1!==e}},{key:"pickable",get:function(){return this._node.pickable},set:function(e){this._node.pickable=!1!==e}},{key:"opacity",get:function(){return this._node.opacity},set:function(e){this._node.opacity=e}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}},{key:"_updatePlaneSizeFromImage",value:function(){var e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){var r=i/t;this._node.scale=[e,1,e*r]}else{var s=t/i;this._node.scale=[e*s,1,e]}}}]),i}(),Dd=function(e){g(i,Ti);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=b(r=t.call(this,e,s));r._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var o=r.scene.camera,a=r.scene.canvas;return r._onCameraViewMatrix=o.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=o.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=a.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new hi({type:"point",pos:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(n._shadowViewMatrixDirty){n._shadowViewMatrix||(n._shadowViewMatrix=re.identityMat4());var e=n._state.pos,t=o.look,i=o.up;re.lookAtMat4v(e,t,i,n._shadowViewMatrix),n._shadowViewMatrixDirty=!1}return n._shadowViewMatrix},getShadowProjMatrix:function(){if(n._shadowProjMatrixDirty){n._shadowProjMatrix||(n._shadowProjMatrix=re.identityMat4());var e=n.scene.canvas.canvas;re.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,n._shadowProjMatrix),n._shadowProjMatrixDirty=!1}return n._shadowProjMatrix},getShadowRenderBuf:function(){return n._shadowRenderBuf||(n._shadowRenderBuf=new oi(n.scene.canvas.canvas,n.scene.canvas.gl,{size:[1024,1024]})),n._shadowRenderBuf}}),r.pos=s.pos,r.color=s.color,r.intensity=s.intensity,r.constantAttenuation=s.constantAttenuation,r.linearAttenuation=s.linearAttenuation,r.quadraticAttenuation=s.quadraticAttenuation,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"PointLight"}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"constantAttenuation",get:function(){return this._state.attenuation[0]},set:function(e){this._state.attenuation[0]=e||0,this.glRedraw()}},{key:"linearAttenuation",get:function(){return this._state.attenuation[1]},set:function(e){this._state.attenuation[1]=e||0,this.glRedraw()}},{key:"quadraticAttenuation",get:function(){return this._state.attenuation[2]},set:function(e){this._state.attenuation[2]=e||0,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}();function Sd(e){return 0==(e&e-1)}function Td(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var Ld=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=(r=t.call(this,e,s)).scene.canvas.gl;return r._state=new hi({texture:new Wn({gl:n,target:n.TEXTURE_CUBE_MAP}),flipY:r._checkFlipY(s.minFilter),encoding:r._checkEncoding(s.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),r._src=s.src,r._images=[],r._loadSrc(s.src),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"CubeTexture"}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}},{key:"_loadSrc",value:function(e){var t=this,i=this.scene.canvas.gl;this._images=[];for(var r=!1,s=0,n=function(n){var o,a,l=new Image;l.onload=(o=l,a=n,function(){if(!r&&(o=function(e){if(!Sd(e.width)||!Sd(e.height)){var t=document.createElement("canvas");t.width=Td(e.width),t.height=Td(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}(o),t._images[a]=o,6==++s)){var e=t._state.texture;e||(e=new Wn({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}),l.onerror=function(){r=!0},l.src=e[n]},o=0;o<e.length;o++)n(o)}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),ae.memory.textures--,this._state.destroy()}}]),i}(),Rd=function(e){g(i,Ld);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).scene._lightsState.addReflectionMap(r._state),r.scene._reflectionMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"ReflectionMap"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._reflectionMapDestroyed(this)}}]),i}(),Ud=function(e){g(i,Ld);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).scene._lightMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"LightMap"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lightMapDestroyed(this)}}]),i}(),Od=function(e){g(i,at);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,{entity:s.entity,occludable:s.occludable,worldPos:s.worldPos}))._occluded=!1,r._visible=!0,r._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new qn(b(r),{src:s.src}),r._geometry=new Xi(b(r),{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),r._mesh=new _n(b(r),{geometry:r._geometry,material:new $i(b(r),{ambient:[.9,.3,.9],shininess:30,diffuseMap:r._texture,backfaces:!0}),scale:[1,1,1],position:s.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),r.visible=!0,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,r.size=s.size,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"_setVisible",value:function(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,f(x(i.prototype),"_setVisible",this).call(this,e)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"collidable",get:function(){return this._mesh.collidable},set:function(e){this._mesh.collidable=!1!==e}},{key:"clippable",get:function(){return this._mesh.clippable},set:function(e){this._mesh.clippable=!1!==e}},{key:"pickable",get:function(){return this._mesh.pickable},set:function(e){this._mesh.pickable=!1!==e}},{key:"opacity",get:function(){return this._mesh.opacity},set:function(e){this._mesh.opacity=e}},{key:"_updatePlaneSizeFromImage",value:function(){var e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],r=i/t;this._geometry.positions=t>i?[e,e*r,0,-e,e*r,0,-e,-e*r,0,e,-e*r,0]:[e/r,e,0,-e/r,e,0,-e/r,-e,0,e/r,-e,0]}}]),i}(),Nd=function(){function e(t){B(this,e),this._eye=re.vec3(),this._look=re.vec3(),this._up=re.vec3(),this._projection={},t&&this.saveCamera(t)}return C(e,[{key:"saveCamera",value:function(e){var t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}},{key:"restoreCamera",value:function(e,t){var i=e.camera,r=this._projection;function s(){switch(r.type){case"perspective":i.perspective.fov=r.fov,i.perspective.fovAxis=r.fovAxis,i.perspective.near=r.near,i.perspective.far=r.far;break;case"ortho":i.ortho.scale=r.scale,i.ortho.near=r.near,i.ortho.far=r.far;break;case"frustum":i.frustum.left=r.left,i.frustum.right=r.right,i.frustum.top=r.top,i.frustum.bottom=r.bottom,i.frustum.near=r.near,i.frustum.far=r.far;break;case"custom":i.customProjection.matrix=r.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:r.scale,projection:r.projection},(function(){s(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,s(),i.projection=r.projection)}}]),e}(),Qd=re.vec3(),Vd=function(){function e(t){if(B(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,t){var i=t.metaScene.scene;this.saveObjects(i,t)}}return C(e,[{key:"saveObjects",value:function(e,t,i){this.numObjects=0,this._mask=i?he.apply(i,{}):null;for(var r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,c=!i||i.colorize,A=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];if(v){if(r&&(this.objectsVisible[p]=v.visible),s&&(this.objectsEdges[p]=v.edges),n&&(this.objectsXrayed[p]=v.xrayed),o&&(this.objectsHighlighted[p]=v.highlighted),a&&(this.objectsSelected[p]=v.selected),l&&(this.objectsClippable[p]=v.clippable),u&&(this.objectsPickable[p]=v.pickable),c){var g=v.colorize;this.objectsColorize[3*p+0]=g[0],this.objectsColorize[3*p+1]=g[1],this.objectsColorize[3*p+2]=g[2]}A&&(this.objectsOpacity[p]=v.opacity),this.numObjects++}}}},{key:"restoreObjects",value:function(e,t){for(var i=this._mask,r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,c=!i||i.colorize,A=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];v&&(r&&(v.visible=this.objectsVisible[p]),s&&(v.edges=this.objectsEdges[p]),n&&(v.xrayed=this.objectsXrayed[p]),o&&(v.highlighted=this.objectsHighlighted[p]),a&&(v.selected=this.objectsSelected[p]),l&&(v.clippable=this.objectsClippable[p]),u&&(v.pickable=this.objectsPickable[p]),c&&(Qd[0]=this.objectsColorize[3*p+0],Qd[1]=this.objectsColorize[3*p+1],Qd[2]=this.objectsColorize[3*p+2],v.colorize=Qd),A&&(v.opacity=this.objectsOpacity[p]))}}}]),e}(),Hd=re.vec3(),jd=function(){function e(){B(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}return C(e,[{key:"saveObjects",value:function(e,t){this.numObjects=0,this._mask=t?he.apply(t,{}):null;var i=e.objects,r=!t||t.visible,s=!t||t.edges,n=!t||t.xrayed,o=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,u=!t||t.pickable,c=!t||t.colorize,A=!t||t.opacity;for(var h in i)if(i.hasOwnProperty(h)){var d=i[h],p=this.numObjects;if(r&&(this.objectsVisible[p]=d.visible),s&&(this.objectsEdges[p]=d.edges),n&&(this.objectsXrayed[p]=d.xrayed),o&&(this.objectsHighlighted[p]=d.highlighted),a&&(this.objectsSelected[p]=d.selected),l&&(this.objectsClippable[p]=d.clippable),u&&(this.objectsPickable[p]=d.pickable),c){var f=d.colorize;f?(this.objectsColorize[3*p+0]=f[0],this.objectsColorize[3*p+1]=f[1],this.objectsColorize[3*p+2]=f[2],this.objectsHasColorize[p]=!0):this.objectsHasColorize[p]=!1}A&&(this.objectsOpacity[p]=d.opacity),this.numObjects++}}},{key:"restoreObjects",value:function(e){var t=this._mask,i=!t||t.visible,r=!t||t.edges,s=!t||t.xrayed,n=!t||t.highlighted,o=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,u=!t||t.colorize,c=!t||t.opacity,A=0,h=e.objects;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];i&&(p.visible=this.objectsVisible[A]),r&&(p.edges=this.objectsEdges[A]),s&&(p.xrayed=this.objectsXrayed[A]),n&&(p.highlighted=this.objectsHighlighted[A]),o&&(p.selected=this.objectsSelected[A]),a&&(p.clippable=this.objectsClippable[A]),l&&(p.pickable=this.objectsPickable[A]),u&&(this.objectsHasColorize[A]?(Hd[0]=this.objectsColorize[3*A+0],Hd[1]=this.objectsColorize[3*A+1],Hd[2]=this.objectsColorize[3*A+2],p.colorize=Hd):p.colorize=null),c&&(p.opacity=this.objectsOpacity[A]),A++}}}]),e}(),Gd=function(e){g(i,vd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.v3=s.v3,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"v3",get:function(){return this._v3},set:function(e){this.fire("v3",this._v3=e||re.vec3([0,0,0]))}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=re.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=re.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}]),i}(),zd=function(e){g(i,vd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._cachedLengths=[],r._dirty=!0,r._curves=[],r._t=0,r._dirtySubs=[],r._destroyedSubs=[],r.curves=s.curves||[],r.t=s.t,r}return C(i,[{key:"addCurve",value:function(e){this._curves.push(e),this._dirty=!0}},{key:"curves",get:function(){return this._curves},set:function(e){var t,i,r;for(e=e||[],i=0,r=this._curves.length;i<r;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var s=this;function n(){s._dirty=!0}function o(){var e=this.id;for(i=0,r=s._curves.length;i<r;i++)if(s._curves[i].id===e)return s._curves=s._curves.slice(i,i+1),s._dirtySubs=s._dirtySubs.slice(i,i+1),s._destroyedSubs=s._destroyedSubs.slice(i,i+1),void(s._dirty=!0)}for(i=0,r=e.length;i<r;i++){if(t=e[i],he.isNumeric(t)||he.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",n)),this._destroyedSubs.push(t.once("destroyed",o))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"length",get:function(){var e=this._getCurveLengths();return e[e.length-1]}},{key:"getPoint",value:function(e){for(var t,i=e*this.length,r=this._getCurveLengths(),s=0;s<r.length;){if(r[s]>=i){var n=1-(r[s]-i)/(t=this._curves[s]).length;return t.getPointAt(n)}s++}return null}},{key:"_getCurveLengths",value:function(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,r=this._curves.length;for(e=0;e<r;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}},{key:"_getJSON",value:function(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}},{key:"destroy",value:function(){var e,t,r;for(f(x(i.prototype),"destroy",this).call(this),e=0,t=this._curves.length;e<t;e++)(r=this._curves[e]).off(this._dirtySubs[e]),r.off(this._destroyedSubs[e])}}]),i}(),Wd=function(e){g(i,vd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=re.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=re.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}]),i}(),Kd=function(e){g(i,Vh);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r)}return C(i)}(),Xd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._skyboxMesh=new _n(b(r),{geometry:new Xi(b(r),{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new $i(b(r),{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new qn(b(r),{src:s.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:s.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),r.size=s.size,r.active=s.active,r}return C(i,[{key:"size",get:function(){return this._size},set:function(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}},{key:"active",get:function(){return this._skyboxMesh.visible},set:function(e){this._skyboxMesh.visible=e}}]),i}(),Yd=function(){function e(){B(this,e)}return C(e,[{key:"transcode",value:function(e,t){}},{key:"destroy",value:function(){}}]),e}(),Jd=re.vec4(),Zd=re.vec4(),qd=re.vec3(),$d=re.vec3(),ep=re.vec3(),tp=re.vec4(),ip=re.vec4(),rp=re.vec4(),sp=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"dollyToCanvasPos",value:function(e,t,i){var r=!1,s=this._scene.camera;if(e){var n=re.subVec3(e,s.eye,qd);r=re.lenVec3(n)<i}if("perspective"===s.projection){s.ortho.scale=s.ortho.scale-i;var o=this._unproject(t,tp),a=re.subVec3(o,s.eye,rp),l=re.mulVec3Scalar(re.normalizeVec3(a),-i,[]);if(s.eye=[s.eye[0]-l[0],s.eye[1]-l[1],s.eye[2]-l[2]],s.look=[s.look[0]-l[0],s.look[1]-l[1],s.look[2]-l[2]],e){var u=re.subVec3(e,s.eye,qd),c=re.lenVec3(u),A=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,$d)),c);s.look=[s.eye[0]+A[0],s.eye[1]+A[1],s.eye[2]+A[2]]}}else if("ortho"===s.projection){var h=this._unproject(t,tp);s.ortho.scale=s.ortho.scale-i,s.ortho._update();var d=this._unproject(t,ip),p=re.subVec3(d,h,rp),f=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,qd)),-i,$d),v=re.addVec3(p,f,ep);s.eye=[s.eye[0]-v[0],s.eye[1]-v[1],s.eye[2]-v[2]],s.look=[s.look[0]-v[0],s.look[1]-v[1],s.look[2]-v[2]]}return r}},{key:"_unproject",value:function(e,t){var i=this._scene.camera,r=i.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n);return i.project.unproject(e,a,Jd,Zd,t),t}},{key:"destroy",value:function(){}}]),e}(),np=re.vec3(),op=re.vec3(),ap=re.vec3(),lp=re.vec4(),up=re.vec4(),cp=re.vec4(),Ap=function(){function e(t,i){var r=this;B(this,e),this._scene=t,this._configs=i,this._pivotWorldPos=re.vec3(),this._cameraOffset=re.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=re.vec3(),this._rtcPos=re.vec3(),this._pivotViewPos=re.vec4(),this._pivotProjPos=re.vec4(),this._pivotCanvasPos=re.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(function(){r._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(function(){r._cameraDirty=!0})),this._onTick=this._scene.on("tick",(function(){r.updatePivotElement(),r.updatePivotSphere()}))}return C(e,[{key:"createPivotSphere",value:function(){var e=this.getPivotPos(),t=re.vec3();re.decomposeMat4(re.inverseMat4(this._scene.viewer.camera.viewMatrix,re.mat4()),t,re.vec4(),re.vec3());var i=re.distVec3(t,e),r=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(r/=this._scene.camera.ortho.scale/2),je(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new io(this._scene,xn({radius:r})),this._pivotSphere=new _n(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}},{key:"destroyPivotSphere",value:function(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}},{key:"updatePivotElement",value:function(){var e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){re.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,re.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);var i=t.boundary,r=i[2],s=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*r/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*s/2);var n=t._lastBoundingClientRect;if(!n||t._canvasSizeChanged){var o=t.canvas;n=t._lastBoundingClientRect=o.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(n.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(n.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}},{key:"updatePivotSphere",value:function(){this._pivoting&&this._pivotSphere&&(je(this.getPivotPos(),this._rtcCenter,this._rtcPos),re.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}},{key:"setPivotElement",value:function(e){this._pivotElement=e}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);var t=e.color||[1,0,0];this._pivotSphereMaterial=new $i(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}},{key:"disablePivotSphere",value:function(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}},{key:"startPivot",value:function(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;var e=this._scene.camera,t=re.lookAtMat4v(e.eye,e.look,e.worldUp);re.transformPoint3(t,this.getPivotPos(),this._cameraOffset);var i=this.getPivotPos();this._cameraOffset[2]+=re.distVec3(e.eye,i),t=re.inverseMat4(t);var r=re.transformVec3(t,this._cameraOffset),s=re.vec3();if(re.subVec3(e.eye,i,s),re.addVec3(s,r),e.zUp){var n=s[1];s[1]=s[2],s[2]=n}this._radius=re.lenVec3(s),this._polar=Math.acos(s[1]/this._radius),this._azimuth=Math.atan2(s[0],s[2]),this._pivoting=!0}},{key:"_cameraLookingDownwards",value:function(){var e=this._scene.camera,t=re.normalizeVec3(re.subVec3(e.look,e.eye,np)),i=re.cross3Vec3(t,e.worldUp,op);return re.sqLenVec3(i)<=1e-4}},{key:"getPivoting",value:function(){return this._pivoting}},{key:"setPivotPos",value:function(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}},{key:"setCanvasPivotPos",value:function(e){var t=this._scene.camera,i=Math.abs(re.distVec3(this._scene.center,t.eye)),r=t.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n),l=lp;t.project.unproject(e,a,up,cp,l);var u=re.normalizeVec3(re.subVec3(l,t.eye,np)),c=re.addVec3(t.eye,re.mulVec3Scalar(u,i,op),ap);this.setPivotPos(c)}},{key:"getPivotPos",value:function(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}},{key:"continuePivot",value:function(e,t){if(this._pivoting&&(0!==e||0!==t)){var i=this._scene.camera,r=-e,s=-t;1===i.worldUp[2]&&(r=-r),this._azimuth+=.01*-r,this._polar+=.01*s,this._polar=re.clamp(this._polar,.001,Math.PI-.001);var n=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){var o=n[1];n[1]=n[2],n[2]=o}var a=re.lenVec3(re.subVec3(i.look,i.eye,re.vec3())),l=this.getPivotPos();re.addVec3(n,l);var u=re.lookAtMat4v(n,l,i.worldUp);u=re.inverseMat4(u);var c=re.transformVec3(u,this._cameraOffset);u[12]-=c[0],u[13]-=c[1],u[14]-=c[2];var A=[u[8],u[9],u[10]];i.eye=[u[12],u[13],u[14]],re.subVec3(i.eye,re.mulVec3Scalar(A,a),i.look),i.up=[u[4],u[5],u[6]],this.showPivot()}}},{key:"showPivot",value:function(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}},{key:"hidePivot",value:function(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}},{key:"endPivot",value:function(){this._pivoting=!1}},{key:"destroy",value:function(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}]),e}(),hp=function(){function e(t,i){B(this,e),this._scene=t.scene,this._cameraControl=t,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=i,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=re.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}return C(e,[{key:"update",value:function(){if(this._configs.pointerEnabled&&(this.schedulePickEntity||this.schedulePickSurface)){var e="".concat(~~this.pickCursorPos[0],"-").concat(~~this.pickCursorPos[1],"-").concat(this.scheduleSnapOrPick,"-").concat(this.schedulePickSurface,"-").concat(this.schedulePickEntity);if(this._lastHash!==e){this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;var t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){var i=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});i&&(i.snappedToEdge||i.snappedToVertex)?(this.snapPickResult=i,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){var r=this.pickResult.canvasPos;if(r[0]===this.pickCursorPos[0]&&r[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){var s=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(s[0]===this.pickCursorPos[0]&&s[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}}}},{key:"fireEvents",value:function(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){var e=new Ot;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){var t=this.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=t)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}]),e}(),dp=re.vec2(),pp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o,a,l,u=i.pickController,c=i.cameraControl,A=0,h=0,d=0,p=0,f=!1,v=re.vec3(),g=!0,m=this._scene.canvas.canvas,_=[];function y(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];m.style.cursor="move",b(),e&&x()}function b(){A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],d=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1]}function x(){u.pickCursorPos=s.pointerCanvasPos,u.schedulePickSurface=!0,u.update(),u.picked&&u.pickedSurface&&u.pickResult&&u.pickResult.worldPos?(f=!0,v.set(u.pickResult.worldPos)):f=!1}document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;_[i]=!0}}),document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;_[i]=!1}}),m.addEventListener("mousedown",this._mouseDownHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:_[t.input.KEY_SHIFT]||r.planView?(o=!0,_[t.input.MOUSE_LEFT_BUTTON]=!0,y()):(o=!0,_[t.input.MOUSE_LEFT_BUTTON]=!0,y(!1));break;case 2:a=!0,_[t.input.MOUSE_MIDDLE_BUTTON]=!0,y();break;case 3:l=!0,_[t.input.MOUSE_RIGHT_BUTTON]=!0,r.panRightClick&&y()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(o||a||l)){var i=t.canvas.boundary,u=i[2],d=i[3],p=s.pointerCanvasPos[0],g=s.pointerCanvasPos[1],m=c._isKeyDownForAction(c.MOUSE_PAN,_),y=c._isKeyDownForAction(c.MOUSE_ROTATE,_),b=document.pointerLockElement?e.movementX:p-A,x=document.pointerLockElement?e.movementY:g-h;if(m){var w=t.camera;if("perspective"===w.projection){var B=Math.abs(f?re.lenVec3(re.subVec3(v,t.camera.eye,[])):t.camera.eyeLookDist)*Math.tan(w.perspective.fov/2*Math.PI/180);n.panDeltaX+=1.5*b*B/d,n.panDeltaY+=1.5*x*B/d}else n.panDeltaX+=.5*w.ortho.scale*(b/d),n.panDeltaY+=.5*w.ortho.scale*(x/d)}else y&&(r.planView||(r.firstPerson?(n.rotateDeltaY-=b/u*r.dragRotationRate/2,n.rotateDeltaX+=x/d*(r.dragRotationRate/4)):(n.rotateDeltaY-=b/u*(1.5*r.dragRotationRate),n.rotateDeltaX+=x/d*(1.5*r.dragRotationRate))));A=p,h=g}}),m.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){r.active&&r.pointerEnabled&&s.mouseover&&(g=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:case 2:case 3:o=!1,a=!1,l=!1,_[t.input.MOUSE_LEFT_BUTTON]=!1,_[t.input.MOUSE_MIDDLE_BUTTON]=!1,_[t.input.MOUSE_RIGHT_BUTTON]=!1}}),m.addEventListener("mouseup",this._mouseUpHandler=function(e){if(r.active&&r.pointerEnabled){if(3===e.which){!function(e,t){if(e){for(var i=e.target,r=0,s=0,n=0,o=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,n+=i.scrollLeft,o+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+n-r,t[1]=e.pageY+o-s}else e=window.event,t[0]=e.x,t[1]=e.y}(e,dp);var t=dp[0],s=dp[1];Math.abs(t-d)<3&&Math.abs(s-p)<3&&i.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:dp,event:e},!0)}m.style.removeProperty("cursor")}}),m.addEventListener("mouseenter",this._mouseEnterHandler=function(){r.active&&r.pointerEnabled});var w=1/60,P=null;m.addEventListener("wheel",this._mouseWheelHandler=function(e){if(r.active&&r.pointerEnabled&&r.zoomOnMouseWheel&&c._isKeyDownForAction(c.MOUSE_DOLLY,_)){var t=performance.now()/1e3,i=null!==P?t-P:0;P=t,i>.05&&(i=.05),i<w&&(i=w);var o=Math.max(-1,Math.min(1,40*-e.deltaY));if(0!==o){var a=o/Math.abs(o);n.dollyDelta+=-a*i*r.mouseWheelDollyRate,g&&(s.followPointerDirty=!0,g=!1)}}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}]),e}(),fp=re.vec3(),vp=re.vec3(),gp=re.vec3(),mp=re.vec3(),_p=re.vec3(),yp={eye:re.vec3(),look:re.vec3(),up:re.vec3()},bp=function(){function e(t,i,r,s){B(this,e),this._scene=t;var n=i.cameraControl,o=t.camera;this._onSceneKeyDown=t.input.on("keydown",(function(){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var e=n._isKeyDownForAction(n.AXIS_VIEW_RIGHT),a=n._isKeyDownForAction(n.AXIS_VIEW_BACK),l=n._isKeyDownForAction(n.AXIS_VIEW_LEFT),u=n._isKeyDownForAction(n.AXIS_VIEW_FRONT),c=n._isKeyDownForAction(n.AXIS_VIEW_TOP),A=n._isKeyDownForAction(n.AXIS_VIEW_BOTTOM);if(e||a||l||u||c||A){var h=t.aabb,d=re.getAABB3Diag(h);re.getAABB3Center(h,fp);var p=Math.abs(d/Math.tan(i.cameraFlight.fitFOV*re.DEGTORAD)),f=1.1*d;yp.orthoScale=f,e?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldRight,p,vp),_p)),yp.look.set(fp),yp.up.set(o.worldUp)):a?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldForward,p,vp),_p)),yp.look.set(fp),yp.up.set(o.worldUp)):l?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldRight,-p,vp),_p)),yp.look.set(fp),yp.up.set(o.worldUp)):u?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldForward,-p,vp),_p)),yp.look.set(fp),yp.up.set(o.worldUp)):c?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldUp,p,vp),_p)),yp.look.set(fp),yp.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,1,gp),mp))):A&&(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldUp,-p,vp),_p)),yp.look.set(fp),yp.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,-1,gp)))),!r.firstPerson&&r.followPointer&&i.pivotController.setPivotPos(fp),i.cameraFlight.duration>0?i.cameraFlight.flyTo(yp,(function(){i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot()})):(i.cameraFlight.jumpTo(yp),i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot())}}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.input.off(this._onSceneKeyDown)}}]),e}(),xp=function(){function e(t,i,r,s,n){var o=this;B(this,e),this._scene=t;var a=i.pickController,l=i.pivotController,u=i.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;var c=!1,A=!1,h=this._scene.canvas.canvas,d=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e&&e.entity?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})},p=t.tickify(this._canvasMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&!c&&!A){if(u.hasSubs("rayMove")){var i=re.vec3(),n=re.vec3();re.canvasPosToWorldRay(t.canvas.canvas,t.camera.viewMatrix,t.camera.projMatrix,t.camera.projection,s.pointerCanvasPos,i,n),u.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:i,direction:n,canvasPos:s.pointerCanvasPos}},!0)}var l=u.hasSubs("hover"),h=u.hasSubs("hoverEnter"),d=u.hasSubs("hoverOut"),p=u.hasSubs("hoverOff"),f=u.hasSubs("hoverSurface"),v=u.hasSubs("hoverSnapOrSurface");if(l||h||d||p||f||v)if(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=f,a.scheduleSnapOrPick=v,a.update(),a.pickResult){if(a.pickResult.entity){var g=a.pickResult.entity.id;o._lastPickedEntityId!==g&&(void 0!==o._lastPickedEntityId&&u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),u.fire("hoverEnter",a.pickResult,!0),o._lastPickedEntityId=g)}u.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&u.fire("hoverSurface",a.pickResult,!0)}else void 0!==o._lastPickedEntityId&&(u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),o._lastPickedEntityId=void 0),u.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}});h.addEventListener("mousemove",p),h.addEventListener("mousedown",this._canvasMouseDownHandler=function(e){if(1===e.which&&(c=!0),3===e.which&&(A=!0),1===e.which&&r.active&&r.pointerEnabled&&(s.mouseDownClientX=e.clientX,s.mouseDownClientY=e.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!r.firstPerson&&r.followPointer&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===e.which))){var i=a.pickResult;i&&i.worldPos?(l.setPivotPos(i.worldPos),l.startPivot(),o._lastClickedWorldPos=i.worldPos.slice()):(r.smartPivot?l.setCanvasPivotPos(s.pointerCanvasPos):o._lastClickedWorldPos?l.setPivotPos(o._lastClickedWorldPos):l.setPivotPos(t.camera.look),l.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){1===e.which&&(c=!1),3===e.which&&(A=!1),l.getPivoting()&&l.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=function(e){if(r.active&&r.pointerEnabled&&(1===e.which&&(l.hidePivot(),!(Math.abs(e.clientX-s.mouseDownClientX)>3||Math.abs(e.clientY-s.mouseDownClientY)>3)))){var n=u.hasSubs("picked"),c=u.hasSubs("pickedNothing"),A=u.hasSubs("pickedSurface"),h=u.hasSubs("doublePicked"),p=u.hasSubs("doublePickedSurface"),f=u.hasSubs("doublePickedNothing");if(!(r.doublePickFlyTo||h||p||f))return(n||c||A)&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(u.fire("picked",a.pickResult,!0),a.pickedSurface&&u.fire("pickedSurface",a.pickResult,!0)):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(o._clicks=0);if(o._clicks++,1===o._clicks){a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo,a.schedulePickSurface=A,a.update();var v=a.pickResult,g=a.pickedSurface;o._timeout=setTimeout((function(){v&&v.worldPos?(u.fire("picked",v,!0),g&&(u.fire("pickedSurface",v,!0),!r.firstPerson&&r.followPointer&&(i.pivotController.setPivotPos(v.worldPos),i.pivotController.startPivot()&&i.pivotController.showPivot()))):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),o._clicks=0}),r.doubleClickTimeFrame)}else{if(null!==o._timeout&&(window.clearTimeout(o._timeout),o._timeout=null),a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo||h||p,a.schedulePickSurface=a.schedulePickEntity&&p,a.update(),a.pickResult){if(u.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&u.fire("doublePickedSurface",a.pickResult,!0),r.doublePickFlyTo&&(d(a.pickResult),!r.firstPerson&&r.followPointer)){var m=a.pickResult.entity.aabb,_=re.getAABB3Center(m);i.pivotController.setPivotPos(_),i.pivotController.startPivot()&&i.pivotController.showPivot()}}else if(u.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),r.doublePickFlyTo&&(d(),!r.firstPerson&&r.followPointer)){var y=t.aabb,b=re.getAABB3Center(y);i.pivotController.setPivotPos(b),i.pivotController.startPivot()&&i.pivotController.showPivot()}o._clicks=0}}},!1)}return C(e,[{key:"reset",value:function(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}]),e}(),wp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=t.input,a=[],l=t.canvas.canvas,u=!0;this._onSceneMouseMove=o.on("mousemove",(function(){u=!0})),this._onSceneKeyDown=o.on("keydown",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(r.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(a[e]=!0,e===o.KEY_SHIFT&&(l.style.cursor="move")))})),this._onSceneKeyUp=o.on("keyup",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(a[e]=!1,e===o.KEY_SHIFT&&(l.style.cursor=null),i.pivotController.getPivoting()&&i.pivotController.endPivot())})),this._onTick=t.on("tick",(function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var l=i.cameraControl,c=e.deltaTime/1e3;if(!r.planView){var A=l._isKeyDownForAction(l.ROTATE_Y_POS,a),h=l._isKeyDownForAction(l.ROTATE_Y_NEG,a),d=l._isKeyDownForAction(l.ROTATE_X_POS,a),p=l._isKeyDownForAction(l.ROTATE_X_NEG,a),f=c*r.keyboardRotationRate;(A||h||d||p)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),A?n.rotateDeltaY+=f:h&&(n.rotateDeltaY-=f),d?n.rotateDeltaX+=f:p&&(n.rotateDeltaX-=f),!r.firstPerson&&r.followPointer&&i.pivotController.startPivot())}if(!a[o.KEY_CTRL]&&!a[o.KEY_ALT]){var v=l._isKeyDownForAction(l.DOLLY_BACKWARDS,a),g=l._isKeyDownForAction(l.DOLLY_FORWARDS,a);if(v||g){var m=c*r.keyboardDollyRate;!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),g?n.dollyDelta-=m:v&&(n.dollyDelta+=m),u&&(s.followPointerDirty=!0,u=!1)}}var _=l._isKeyDownForAction(l.PAN_FORWARDS,a),y=l._isKeyDownForAction(l.PAN_BACKWARDS,a),b=l._isKeyDownForAction(l.PAN_LEFT,a),x=l._isKeyDownForAction(l.PAN_RIGHT,a),w=l._isKeyDownForAction(l.PAN_UP,a),B=l._isKeyDownForAction(l.PAN_DOWN,a),P=(a[o.KEY_ALT]?.3:1)*c*r.keyboardPanRate;(_||y||b||x||w||B)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),B?n.panDeltaY+=P:w&&(n.panDeltaY+=-P),x?n.panDeltaX+=-P:b&&(n.panDeltaX+=P),y?n.panDeltaZ+=P:_&&(n.panDeltaZ+=-P))}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}]),e}(),Bp=re.vec3(),Pp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=t.camera,a=i.pickController,l=i.pivotController,u=i.panController,c=1,A=1,h=null;this._onTick=t.on("tick",(function(){if(r.active&&r.pointerEnabled){var e="default";if(Math.abs(n.dollyDelta)<.001&&(n.dollyDelta=0),Math.abs(n.rotateDeltaX)<.001&&(n.rotateDeltaX=0),Math.abs(n.rotateDeltaY)<.001&&(n.rotateDeltaY=0),0===n.rotateDeltaX&&0===n.rotateDeltaY||(n.dollyDelta=0),r.followPointer){if(--c<=0&&(c=1,0!==n.dollyDelta)){if(0===n.rotateDeltaY&&0===n.rotateDeltaX&&r.followPointer&&s.followPointerDirty&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.pickResult&&a.pickResult.worldPos?h=a.pickResult.worldPos:(A=1,h=null),s.followPointerDirty=!1),h){var i=Math.abs(re.lenVec3(re.subVec3(h,t.camera.eye,Bp)));A=i/r.dollyProximityThreshold}A<r.dollyMinSpeed&&(A=r.dollyMinSpeed)}}else A=1,h=null;var d=n.dollyDelta*A;if(0===n.rotateDeltaY&&0===n.rotateDeltaX||(!r.firstPerson&&r.followPointer&&l.getPivoting()?(l.continuePivot(n.rotateDeltaY,n.rotateDeltaX),l.showPivot()):(0!==n.rotateDeltaX&&(r.firstPerson?o.pitch(-n.rotateDeltaX):o.orbitPitch(n.rotateDeltaX)),0!==n.rotateDeltaY&&(r.firstPerson?o.yaw(n.rotateDeltaY):o.orbitYaw(n.rotateDeltaY))),n.rotateDeltaX*=r.rotationInertia,n.rotateDeltaY*=r.rotationInertia,e="grabbing"),Math.abs(n.panDeltaX)<.001&&(n.panDeltaX=0),Math.abs(n.panDeltaY)<.001&&(n.panDeltaY=0),Math.abs(n.panDeltaZ)<.001&&(n.panDeltaZ=0),0!==n.panDeltaX||0!==n.panDeltaY||0!==n.panDeltaZ){var p,f,v=re.vec3();if(v[0]=n.panDeltaX,v[1]=n.panDeltaY,v[2]=n.panDeltaZ,r.constrainVertical){o.xUp?(p=o.eye[0],f=o.look[0]):o.yUp?(p=o.eye[1],f=o.look[1]):o.zUp&&(p=o.eye[2],f=o.look[2]),o.pan(v);var g=o.eye,m=o.look;o.xUp?(g[0]=p,m[0]=f):o.yUp?(g[1]=p,m[1]=f):o.zUp&&(g[2]=p,m[2]=f),o.eye=g,o.look=m}else o.pan(v);e="grabbing"}if(n.panDeltaX*=r.panInertia,n.panDeltaY*=r.panInertia,n.panDeltaZ*=r.panInertia,0!==d){if(e=d<0?"zoom-in":"zoom-out",r.firstPerson){var _,y;if(r.constrainVertical&&(o.xUp?(_=o.eye[0],y=o.look[0]):o.yUp?(_=o.eye[1],y=o.look[1]):o.zUp&&(_=o.eye[2],y=o.look[2])),r.followPointer)u.dollyToCanvasPos(h,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0);else o.pan([0,0,d]),o.ortho.scale=o.ortho.scale-d;if(r.constrainVertical){var b=o.eye,x=o.look;o.xUp?(b[0]=_,x[0]=y):o.yUp?(b[1]=_,x[1]=y):o.zUp&&(b[2]=_,x[2]=y),o.eye=b,o.look=x}}else if(r.planView){if(r.followPointer)u.dollyToCanvasPos(h,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+d,o.zoom(d)}else{if(r.followPointer)u.dollyToCanvasPos(h,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+d,o.zoom(d)}n.dollyDelta*=r.dollyInertia}a.fireEvents(),document.body.style.cursor=e}}))}return C(e,[{key:"destroy",value:function(){this._scene.off(this._onTick)}}]),e}(),Cp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=function(){s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=function(){s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=function(e){Mp(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=function(e){r.active&&r.pointerEnabled&&(Mp(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=function(e){r.active&&r.pointerEnabled})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}]),e}();function Mp(e,t,i){if(e){var r=t.getBoundingClientRect(),s=r.left,n=r.top;i[0]=e.clientX-s,i[1]=e.clientY-n}else e=window.event,i[0]=e.x,i[1]=e.y;return i}var Ep=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Fp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=i.pickController,a=i.pivotController,l=re.vec2(),u=re.vec2(),c=re.vec2(),A=re.vec2(),h=[],d=this._scene.canvas.canvas,p=0,f=!1;this._onTick=t.on("tick",(function(){f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){e.preventDefault();var i=e.touches,n=e.changedTouches;for(s.touchStartTime=Date.now(),1===i.length&&1===n.length&&(Ep(i[0],l),r.followPointer&&(o.pickCursorPos=l,o.schedulePickSurface=!0,o.update(),r.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(a.setPivotPos(o.pickResult.worldPos),!r.firstPerson&&a.startPivot()&&a.showPivot()):(r.smartPivot?a.setCanvasPivotPos(s.pointerCanvasPos):a.setPivotPos(t.camera.look),!r.firstPerson&&a.startPivot()&&a.showPivot()))));h.length<i.length;)h.push(re.vec2());for(var u=0,c=i.length;u<c;++u)Ep(i[u],h[u]);p=i.length}}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(){a.getPivoting()&&a.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(e.stopPropagation(),e.preventDefault(),!f)){f=!0;var i=t.canvas.boundary,a=i[2],l=i[3],d=e.touches;if(e.touches.length===p){if(1===p){Ep(d[0],u),re.subVec2(u,h[0],A);var v=A[0],g=A[1];if(null!==s.longTouchTimeout&&(Math.abs(v)>r.longTapRadius||Math.abs(g)>r.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),r.planView){var m=t.camera;if("perspective"===m.projection){var _=Math.abs(t.camera.eyeLookDist)*Math.tan(m.perspective.fov/2*Math.PI/180);n.panDeltaX+=v*_/l*r.touchPanRate,n.panDeltaY+=g*_/l*r.touchPanRate}else n.panDeltaX+=.5*m.ortho.scale*(v/l)*r.touchPanRate,n.panDeltaY+=.5*m.ortho.scale*(g/l)*r.touchPanRate}else n.rotateDeltaY-=v/a*(1*r.dragRotationRate),n.rotateDeltaX+=g/l*(1.5*r.dragRotationRate)}else if(2===p){var y=d[0],b=d[1];Ep(y,u),Ep(b,c);var x=re.geometricMeanVec2(h[0],h[1]),w=re.geometricMeanVec2(u,c),B=re.vec2();re.subVec2(x,w,B);var P=B[0],C=B[1],M=t.camera,E=re.distVec2([y.pageX,y.pageY],[b.pageX,b.pageY]),F=(re.distVec2(h[0],h[1])-E)*r.touchDollyRate;if(n.dollyDelta=F,Math.abs(F)<1)if("perspective"===M.projection){var k=o.pickResult?o.pickResult.worldPos:t.center,I=Math.abs(re.lenVec3(re.subVec3(k,t.camera.eye,[])))*Math.tan(M.perspective.fov/2*Math.PI/180);n.panDeltaX-=P*I/l*r.touchPanRate,n.panDeltaY-=C*I/l*r.touchPanRate}else n.panDeltaX-=.5*M.ortho.scale*(P/l)*r.touchPanRate,n.panDeltaY-=.5*M.ortho.scale*(C/l)*r.touchPanRate;s.pointerCanvasPos=w}for(var D=0;D<p;++D)Ep(d[D],h[D])}}})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}]),e}(),kp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Ip=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o,a=i.pickController,l=i.cameraControl,u=[],c=new Float32Array(2),A=-1,h=-1,d=this._scene.canvas.canvas,p=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})};d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);var t=e.touches,n=e.changedTouches;if(o=Date.now(),1===t.length&&1===n.length){A=o,kp(t[0],c);var a=c[0],l=c[1],h=t[0].pageX,d=t[0].pageY;s.longTouchTimeout=setTimeout((function(){i.cameraControl.fire("rightClick",{pagePos:[Math.round(h),Math.round(d)],canvasPos:[Math.round(a),Math.round(l)],event:e},!0),s.longTouchTimeout=null}),r.longTapTimeout)}else A=-1;for(;u.length<t.length;)u.push(new Float32Array(2));for(var p=0,f=t.length;p<f;++p)kp(t[p],u[p]);u.length=t.length}},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(e){if(r.active&&r.pointerEnabled){var t=Date.now(),i=e.touches,n=e.changedTouches,o=l.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===i.length&&1===n.length&&A>-1&&t-A<150&&(h>-1&&A-h<325?(kp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("doublePicked",a.pickResult),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult),r.doublePickFlyTo&&p(a.pickResult)):(l.fire("doublePickedNothing"),r.doublePickFlyTo&&p()),h=-1):re.distVec2(u[0],c)<4&&(kp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("picked",a.pickResult),a.pickedSurface&&l.fire("pickedSurface",a.pickResult)):l.fire("pickedNothing"),h=t),A=-1),u.length=i.length;for(var d=0,f=i.length;d<f;++d)u[d][0]=i[d].pageX,u[d][1]=i[d].pageY}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}]),e}(),Dp=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s)).PAN_LEFT=0,r.PAN_RIGHT=1,r.PAN_UP=2,r.PAN_DOWN=3,r.PAN_FORWARDS=4,r.PAN_BACKWARDS=5,r.ROTATE_X_POS=6,r.ROTATE_X_NEG=7,r.ROTATE_Y_POS=8,r.ROTATE_Y_NEG=9,r.DOLLY_FORWARDS=10,r.DOLLY_BACKWARDS=11,r.AXIS_VIEW_RIGHT=12,r.AXIS_VIEW_BACK=13,r.AXIS_VIEW_LEFT=14,r.AXIS_VIEW_FRONT=15,r.AXIS_VIEW_TOP=16,r.AXIS_VIEW_BOTTOM=17,r.MOUSE_PAN=18,r.MOUSE_ROTATE=19,r.MOUSE_DOLLY=20,r._keyMap={},r.scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},r._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},r._states={pointerCanvasPos:re.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:re.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},r._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};var n=r.scene;return r._controllers={cameraControl:b(r),pickController:new hp(b(r),r._configs),pivotController:new Ap(n,r._configs),panController:new sp(n),cameraFlight:new Pd(b(r),{duration:.5})},r._handlers=[new Cp(r.scene,r._controllers,r._configs,r._states,r._updates),new Fp(r.scene,r._controllers,r._configs,r._states,r._updates),new pp(r.scene,r._controllers,r._configs,r._states,r._updates),new bp(r.scene,r._controllers,r._configs,r._states,r._updates),new xp(r.scene,r._controllers,r._configs,r._states,r._updates),new Ip(r.scene,r._controllers,r._configs,r._states,r._updates),new wp(r.scene,r._controllers,r._configs,r._states,r._updates)],r._cameraUpdater=new Pp(r.scene,r._controllers,r._configs,r._states,r._updates),r.navMode=s.navMode,s.planView&&(r.planView=s.planView),r.constrainVertical=s.constrainVertical,s.keyboardLayout?r.keyboardLayout=s.keyboardLayout:r.keyMap=s.keyMap,r.doublePickFlyTo=s.doublePickFlyTo,r.panRightClick=s.panRightClick,r.active=s.active,r.followPointer=s.followPointer,r.rotationInertia=s.rotationInertia,r.keyboardPanRate=s.keyboardPanRate,r.touchPanRate=s.touchPanRate,r.keyboardRotationRate=s.keyboardRotationRate,r.dragRotationRate=s.dragRotationRate,r.touchDollyRate=s.touchDollyRate,r.dollyInertia=s.dollyInertia,r.dollyProximityThreshold=s.dollyProximityThreshold,r.dollyMinSpeed=s.dollyMinSpeed,r.panInertia=s.panInertia,r.pointerEnabled=!0,r.keyboardDollyRate=s.keyboardDollyRate,r.mouseWheelDollyRate=s.mouseWheelDollyRate,r}return C(i,[{key:"keyMap",get:function(){return this._keyMap},set:function(e){if(e=e||"qwerty",he.isString(e)){var t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{var r=e;this._keyMap=r}}},{key:"_areAllKeysDown",value:function(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(var i=0,r=t.length;i<r;i++){if(!e[t[i]])return!1}return!0}},{key:"_isAnyOtherKeyDown",value:function(e,t){for(var i=0,r=e.length;i<r;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}},{key:"_isMouseAction",value:function(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}},{key:"_isKeyDownForAction",value:function(e,t){var i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(var r=0,s=i.length;r<s;r++){var n=i[r];if(Array.isArray(n)){if(this._areAllKeysDown(t,n)&&!this._isAnyOtherKeyDown(t,n))return!0}else if(t[n]&&!this._isAnyOtherKeyDown(t,n))return!0}return!1}},{key:"pivotElement",set:function(e){this._controllers.pivotController.setPivotElement(e)}},{key:"active",get:function(){return this._configs.active},set:function(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}},{key:"snapToVertex",get:function(){return this._configs.snapToVertex},set:function(e){this._configs.snapToVertex=!!e}},{key:"snapToEdge",get:function(){return this._configs.snapToEdge},set:function(e){this._configs.snapToEdge=!!e}},{key:"snapRadius",get:function(){return this._configs.snapRadius},set:function(e){e=e||30,this._configs.snapRadius=e}},{key:"keyboardEnabledOnlyIfMouseover",get:function(){return this._configs.keyboardEnabledOnlyIfMouseover},set:function(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}},{key:"navMode",get:function(){return this._configs.navMode},set:function(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}},{key:"pointerEnabled",get:function(){return this._configs.pointerEnabled},set:function(e){this._reset(),this._configs.pointerEnabled=!!e}},{key:"_reset",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.reset&&i.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}},{key:"followPointer",get:function(){return this._configs.followPointer},set:function(e){this._configs.followPointer=!1!==e}},{key:"pivotPos",get:function(){return this._controllers.pivotController.getPivotPos()},set:function(e){this._controllers.pivotController.setPivotPos(e)}},{key:"dollyToPointer",get:function(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer},set:function(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}},{key:"panToPointer",get:function(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1},set:function(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}},{key:"planView",get:function(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView},set:function(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}},{key:"firstPerson",get:function(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson},set:function(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}},{key:"constrainVertical",get:function(){return this._configs.constrainVertical},set:function(e){this._configs.constrainVertical=!!e}},{key:"doublePickFlyTo",get:function(){return this._configs.doublePickFlyTo},set:function(e){this._configs.doublePickFlyTo=!1!==e}},{key:"panRightClick",get:function(){return this._configs.panRightClick},set:function(e){this._configs.panRightClick=!1!==e;var t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0)for(var i=this.scene.input,r=0,s=t.length;r<s;r++)this._configs.panRightClick&&t[r]===i.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][r]=i.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[r]!==i.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][r]=i.MOUSE_MIDDLE_BUTTON)}},{key:"rotationInertia",get:function(){return this._configs.rotationInertia},set:function(e){this._configs.rotationInertia=null!=e?e:0}},{key:"keyboardPanRate",get:function(){return this._configs.keyboardPanRate},set:function(e){this._configs.keyboardPanRate=null!=e?e:5}},{key:"touchPanRate",get:function(){return this._configs.touchPanRate},set:function(e){this._configs.touchPanRate=null!=e?e:1}},{key:"keyboardRotationRate",get:function(){return this._configs.keyboardRotationRate},set:function(e){this._configs.keyboardRotationRate=null!=e?e:90}},{key:"dragRotationRate",get:function(){return this._configs.dragRotationRate},set:function(e){this._configs.dragRotationRate=null!=e?e:360}},{key:"keyboardDollyRate",get:function(){return this._configs.keyboardDollyRate},set:function(e){this._configs.keyboardDollyRate=null!=e?e:15}},{key:"touchDollyRate",get:function(){return this._configs.touchDollyRate},set:function(e){this._configs.touchDollyRate=null!=e?e:.2}},{key:"mouseWheelDollyRate",get:function(){return this._configs.mouseWheelDollyRate},set:function(e){this._configs.mouseWheelDollyRate=null!=e?e:100}},{key:"dollyInertia",get:function(){return this._configs.dollyInertia},set:function(e){this._configs.dollyInertia=null!=e?e:0}},{key:"dollyProximityThreshold",get:function(){return this._configs.dollyProximityThreshold},set:function(e){this._configs.dollyProximityThreshold=null!=e?e:35}},{key:"dollyMinSpeed",get:function(){return this._configs.dollyMinSpeed},set:function(e){this._configs.dollyMinSpeed=null!=e?e:.04}},{key:"panInertia",get:function(){return this._configs.panInertia},set:function(e){this._configs.panInertia=null!=e?e:.5}},{key:"keyboardLayout",get:function(){return this._configs.keyboardLayout},set:function(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._controllers.pivotController.enablePivotSphere(e)}},{key:"disablePivotSphere",value:function(){this._controllers.pivotController.disablePivotSphere()}},{key:"smartPivot",get:function(){return this._configs.smartPivot},set:function(e){this._configs.smartPivot=!1!==e}},{key:"doubleClickTimeFrame",get:function(){return this._configs.doubleClickTimeFrame},set:function(e){this._configs.doubleClickTimeFrame=null!=e?e:250}},{key:"zoomOnMouseWheel",get:function(){return this._configs.zoomOnMouseWheel},set:function(e){this._configs.zoomOnMouseWheel=!!e}},{key:"destroy",value:function(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),f(x(i.prototype),"destroy",this).call(this)}},{key:"_destroyHandlers",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.destroy&&i.destroy()}}},{key:"_destroyControllers",value:function(){for(var e=0,t=this._controllers.length;e<t;e++){var i=this._controllers[e];i.destroy&&i.destroy()}}}]),i}(),Sp=C((function e(t,i,r,s,n){B(this,e),this.name=t,this.type=r,this.value=i,this.valueType=s,this.description=n})),Tp=C((function e(t){if(B(this,e),this.id=t.id,this.originalSystemId=t.originalSystemId,this.metaModels=[],this.name=t.name,this.type=t.type,this.properties=[],t.properties)for(var i=t.properties,r=0,s=i.length;r<s;r++){var n=i[r];Number.isInteger(n)?this.properties.push(n):this.properties.push(new Sp(n.name,n.value,n.type,n.valueType,n.description))}})),Lp=function(){function e(t){B(this,e),this.metaModels=[],this.id=t.id,this.parentId=t.parentId,this.parent=null,this.originalSystemId=t.originalSystemId,this.name=t.name,this.type=t.type,this.propertySetIds=t.propertySetIds,this.propertySets=[],this.attributes=t.attributes||{},void 0!==t.external&&null!==t.external&&(this.external=t.external)}return C(e,[{key:"metaModel",get:function(){return 1==this.metaModels.length?this.metaModels[0]:null}},{key:"getObjectIDsInSubtree",value:function(){var e=[];return function t(i){if(i){e.push(i.id);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this),e}},{key:"withMetaObjectsInSubtree",value:function(e){!function t(i){if(i){e(i);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this)}},{key:"getObjectIDsInSubtreeByType",value:function(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=e[i];var s=[];return function e(i){if(i){t[i.type]&&s.push(i.id);var r=i.children;if(r)for(var n=0,o=r.length;n<o;n++)e(r[n])}}(this),s}},{key:"getJSON",value:function(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}]),e}(),Rp=function(){function e(t){B(this,e),this.id=t.id,this.projectId=t.projectId,this.revisionId=t.revisionId,this.author=t.author,this.createdAt=t.createdAt,this.creatingApplication=t.creatingApplication,this.schema=t.schema,this.metaScene=t.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=t.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}return C(e,[{key:"rootMetaObject",get:function(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}},{key:"loadData",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);var i=this.metaScene,r=e.properties;if(r)for(var s=0,n=r.length;s<n;s++)this._propertyLookup.push(r[s]);if(e.propertySets)for(var o=0,a=e.propertySets.length;o<a;o++){var l=e.propertySets[o];l.properties||(l.properties=[]);var u=i.propertySets[l.id];u||(u=new Tp({id:l.id,originalSystemId:l.originalSystemId||l.id,type:l.type,name:l.name,properties:l.properties}),i.propertySets[u.id]=u),u.metaModels.push(this),this.propertySets.push(u)}if(e.metaObjects)for(var c=0,A=e.metaObjects.length;c<A;c++){var h=e.metaObjects[c],d=h.id,p=i.metaObjects[d];if(!p){var f=h.type,v=h.originalSystemId,g=h.propertySets||h.propertySetIds;p=new Lp({id:d,originalSystemId:v,parentId:h.parent,type:f,name:h.name,attributes:h.attributes,propertySetIds:g,external:h.external}),this.metaScene.metaObjects[d]=p,p.metaModels=[]}this.metaObjects[d]=p,h.parent||(this.rootMetaObjects.push(p),i.rootMetaObjects[d]=p)}}},{key:"_decompressProperties",value:function(e,t){for(var i=[],r=0,s=t.length;r<s;r++){var n=t[r];if(Number.isInteger(n)){var o=e[n];o?t[r]=o:i.push(n)}}i.length>0&&console.error("[MetaModel._decompressProperties] Properties not found: ".concat(i))}},{key:"finalize",value:function(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";var e=this.metaScene;for(var t in e.metaObjects){var i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(var r=0,s=i.propertySetIds.length;r<s;r++){var n=i.propertySetIds[r],o=e.propertySets[n];i.propertySets.push(o)}}for(var a in e.metaObjects){var l=e.metaObjects[a];if(l.parentId){var u=e.metaObjects[l.parentId];u&&(l.parent=u,(u.children||(u.children=[])).push(l))}}for(var c in e.metaObjects){e.metaObjects[c].metaModels=[]}for(var A in e.metaModels){var h=e.metaModels[A];for(var d in h.metaObjects){h.metaObjects[d].metaModels.push(h)}}for(var p in e.metaObjectsByType={},e.metaObjects){var f=e.metaObjects[p],v=f.type;(e.metaObjectsByType[v]||(e.metaObjectsByType[v]={}))[p]=f}if(this.propertySets)for(var g=0,m=this.propertySets.length;g<m;g++){var _=this.propertySets[g];this._decompressProperties(this._propertyLookup,_.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}},{key:"getJSON",value:function(){for(var e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects),i=0,r=t.length;i<r;i++){var s=t[i],n={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(n.parent=s.parent.id),s.attributes&&(n.attributes=s.attributes),s.propertySetIds&&(n.propertySetIds=s.propertySetIds),e.metaObjects.push(n)}for(var o=0,a=this.propertySets.length;o<a;o++){for(var l=this.propertySets[o],u={id:l.id,originalSystemId:l.originalSystemId,extId:l.extId,type:l.type,name:l.name,propertyies:[]},c=0,A=l.properties.length;c<A;c++){var h=l.properties[c],d={id:h.id,description:h.description,type:h.type,name:h.name,value:h.value,valueType:h.valueType};u.properties.push(d)}e.propertySets.push(u)}return e}},{key:"_globalizeIDs",value:function(e,t){var i=!!t.globalizeObjectIds;if(e.metaObjects)for(var r=0,s=e.metaObjects.length;r<s;r++){var n=e.metaObjects[r];if(n.originalSystemId=n.id,n.parent&&(n.originalParentSystemId=n.parent),i&&(n.id=re.globalizeObjectId(this.id,n.id),n.parent&&(n.parent=re.globalizeObjectId(this.id,n.parent))),i){var o=n.propertySetIds;if(o){for(var a=[],l=0,u=o.length;l<u;l++)a.push(re.globalizeObjectId(this.id,o[l]));n.propertySetIds=a,n.originalSystemPropertySetIds=o}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(var c=0,A=e.propertySets.length;c<A;c++){var h=e.propertySets[c];h.originalSystemId=h.id,i&&(h.id=re.globalizeObjectId(this.id,h.id))}}}]),e}(),Up=function(){function e(t,i){B(this,e),this.viewer=t,this.scene=i,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"createMetaModel",value:function(e,t){var i=new Rp({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return i.loadData(t),i.finalize(),i}},{key:"destroyMetaModel",value:function(e){var t=this.metaModels[e];if(t){if(t.propertySets)for(var i=0,r=t.propertySets.length;i<r;i++){var s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{for(var n=[],o=0,a=s.metaModels.length;o<a;o++)s.metaModels[o].id!==e&&n.push(s.metaModels[o]);s.metaModels=n}}if(t.metaObjects)for(var l=0,u=t.metaObjects.length;l<u;l++){var c=t.metaObjects[l];c.type;var A=c.id;1===c.metaModels.length&&c.metaModels[0].id===e&&(delete this.metaObjects[A],c.parent||delete this.rootMetaObjects[A])}for(var h in this.metaObjects){var d=this.metaObjects[h];if(d.children&&(d.children=[]),d.propertySets&&(d.propertySets=[]),d.propertySetIds)for(var p=0,f=d.propertySetIds.length;p<f;p++){var v=d.propertySetIds[p],g=this.propertySets[v];d.propertySets.push(g)}}for(var m in this.metaObjectsByType={},this.metaObjects){var _=this.metaObjects[m],y=_.type;_.children&&(_.children=null),(this.metaObjectsByType[y]||(this.metaObjectsByType[y]={}))[m]=_}for(var b in this.metaObjects){var x=this.metaObjects[b];if(x.parentId){var w=this.metaObjects[x.parentId];w&&(x.parent=w,(w.children||(w.children=[])).push(x))}}for(var B in delete this.metaModels[e],this.metaObjects){this.metaObjects[B].metaModels=[]}for(var P in this.metaModels)for(var C=this.metaModels[P],M=0,E=C.metaObjects.length;M<E;M++){C.metaObjects[M].metaModels.push(C)}this.fire("metaModelDestroyed",e)}}},{key:"getObjectIDsByType",value:function(e){var t=this.metaObjectsByType[e];return t?Object.keys(t):[]}},{key:"getObjectIDsInSubtree",value:function(e,t,i){var r=[],s=this.metaObjects[e],n=t&&t.length>0?Op(t):null,o=i&&i.length>0?Op(i):null;return function e(t){if(t){var i=!0;(o&&o[t.type]||n&&!n[t.type])&&(i=!1),i&&r.push(t.id);var s=t.children;if(s)for(var a=0,l=s.length;a<l;a++)e(s[a])}}(s),r}},{key:"withMetaObjectsInSubtree",value:function(e,t){var i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}]),e}();function Op(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=!0;return t}
+ **/var mh=null;function _h(e,t){var i,r,s,n,o,a,l=3*e,u=3*t,c=Math.min(i=mh[l],r=mh[l+1],s=mh[l+2]),A=Math.min(n=mh[u],o=mh[u+1],a=mh[u+2]);if(c!==A)return c-A;var h=Math.max(i,r,s),d=Math.max(n,o,a);return h!==d?h-d:0}function yh(e,t){for(var i=new Int32Array(e.length/3),r=0,s=i.length;r<s;r++)i[r]=r;mh=new Int32Array(e.length);for(var n=0,o=e.length;n<o;n++)mh[n]=e[n]>>t;i.sort(_h);for(var a=new Int32Array(e.length),l=0,u=i.length;l<u;l++)a[3*l+0]=e[3*i[l]+0],a[3*l+1]=e[3*i[l]+1],a[3*l+2]=e[3*i[l]+2];return a}var bh=null;function xh(e,t){var i=bh[2*e]-bh[2*t];return 0!==i?i:bh[2*e+1]-bh[2*t+1]}function wh(e){if(0===(e||[]).length)return[];for(var t=new Int32Array(e.length/2),i=0,r=t.length;i<r;i++)t[i]=i;for(var s=0,n=e.length;s<n;s+=2)if(e[s]>e[s+1]){var o=e[s];e[s]=e[s+1],e[s+1]=o}bh=new Int32Array(e),t.sort(xh);for(var a=new Int32Array(e.length),l=0,u=t.length;l<u;l++)a[2*l+0]=e[2*t[l]+0],a[2*l+1]=e[2*t[l]+1];return a}function Bh(e,t){var i={},r={};e.forEach((function(e){for(var t=e.indices,s=e.edgeIndices,n=e.positionsCompressed,o=0,a=t.length;o<a;o+=3){var l=n[3*t[o]]+"_"+n[3*t[o]+1]+"_"+n[3*t[o]+2]+"/"+n[3*t[o+1]]+"_"+n[3*t[o+1]+1]+"_"+n[3*t[o+1]+2]+"/"+n[3*t[o+2]]+"_"+n[3*t[o+2]+1]+"_"+n[3*t[o+2]+2];i[l]=!0}e.edgeIndices.length/2;for(var u=0,c=s.length;u<c;u+=2){var A=n[3*s[u]]+"_"+n[3*s[u]+1]+"_"+n[3*s[u]+2]+"/"+n[3*s[u+1]]+"_"+n[3*s[u+1]+1]+"_"+n[3*s[u+1]+2]+"/";r[A]=!0}}));var s=t.indices;t.edgeIndices;for(var n=t.positionsCompressed,o=0,a=s.length;o<a;o+=3){var l=n[3*s[o]]+"_"+n[3*s[o]+1]+"_"+n[3*s[o]+2]+"/"+n[3*s[o+1]]+"_"+n[3*s[o+1]+1]+"_"+n[3*s[o+1]+2]+"/"+n[3*s[o+2]]+"_"+n[3*s[o+2]+1]+"_"+n[3*s[o+2]+2];if(!(l in i))throw console.log("Not found "+l),"Ohhhh!"}}var Ph=re.vec4(4),Ch=re.vec4(),Mh=re.vec4(),Eh=re.vec3([1,0,0]),Fh=re.vec3([0,1,0]),kh=re.vec3([0,0,1]);re.vec3(3),re.vec3(3);var Ih=re.identityMat4(),Dh=function(){function e(t){B(this,e),this._model=t.model,this.id=t.id,this._parentTransform=t.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=re.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=re.identityMat4(new Float32Array(16)),this._worldMatrix=re.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),t.parent&&t.parent._addChildTransform(this)}return C(e,[{key:"_addChildTransform",value:function(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}},{key:"_addMesh",value:function(e){this._meshes.push(e),e.transform=this}},{key:"parentTransform",get:function(){return this._parentTransform}},{key:"meshes",get:function(){return this._meshes}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||Ih),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Ph[0]=e[0],Ph[1]=e[1],Ph[2]=e[2],Ph[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Ph,Ch),re.mulQuaternions(this.quaternion,Ch,Mh),this.quaternion=Mh,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Ph[0]=e[0],Ph[1]=e[1],Ph[2]=e[2],Ph[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Ph,Ch),re.mulQuaternions(Ch,this.quaternion,Ch),this}},{key:"rotateX",value:function(e){return this.rotate(Eh,e)}},{key:"rotateY",value:function(e){return this.rotate(Fh,e)}},{key:"rotateZ",value:function(e){return this.rotate(kh,e)}},{key:"translate",value:function(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateX",value:function(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateY",value:function(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateZ",value:function(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._transformDirty()}},{key:"_transformDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._childTransforms.length;e<t;e++){var i=this._childTransforms[e];if(i._transformDirty(),i._meshes&&i._meshes.length>0)for(var r=i._meshes,s=0,n=r.length;s<n;s++)r[s]._transformDirty()}if(this._meshes&&this._meshes.length>0)for(var o=this._meshes,a=0,l=o.length;a<l;a++)o[a]._transformDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentTransform)re.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._childTransforms)for(var t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}]),e}(),Sh=re.vec3(),Th=re.OBB3(),Lh=re.vec4(),Rh=re.vec3([1,1,1]),Uh=re.vec3([0,0,0]);re.vec3([0,0,0]);var Oh=re.identityQuaternion(),Nh=re.identityMat4(),Qh=new Uint8Array([255,255,255]),Vh=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r._dtxEnabled=r.scene.dtxEnabled&&!1!==s.dtxEnabled,r._enableVertexWelding=!1,r._enableIndexBucketing=!1,r._vboBatchingLayerScratchMemory=Ro(),r._textureTranscoder=s.textureTranscoder||dh(r.scene.viewer),r._maxGeometryBatchSize=s.maxGeometryBatchSize,r._aabb=re.collapseAABB3(),r._aabbDirty=!0,r._quantizationRanges={},r._vboInstancingLayers={},r._vboBatchingLayers={},r._dtxLayers={},r._meshList=[],r.layerList=[],r._layersToFinalize=[],r._entityList=[],r._entitiesToFinalize=[],r._geometries={},r._dtxBuckets={},r._textures={},r._textureSets={},r._transforms={},r._meshes={},r._unusedMeshes={},r._entities={},r.renderFlags=new ln,r.numGeometries=0,r.numPortions=0,r.numVisibleLayerPortions=0,r.numTransparentLayerPortions=0,r.numXRayedLayerPortions=0,r.numHighlightedLayerPortions=0,r.numSelectedLayerPortions=0,r.numEdgesLayerPortions=0,r.numPickableLayerPortions=0,r.numClippableLayerPortions=0,r.numCulledLayerPortions=0,r.numEntities=0,r._numTriangles=0,r._numLines=0,r._numPoints=0,r._layersFinalized=!1,r._edgeThreshold=s.edgeThreshold||10,r._origin=re.vec3(s.origin||[0,0,0]),r._position=re.vec3(s.position||[0,0,0]),r._rotation=re.vec3(s.rotation||[0,0,0]),r._quaternion=re.vec4(s.quaternion||[0,0,0,1]),r._conjugateQuaternion=re.vec4(s.quaternion||[0,0,0,1]),s.rotation&&re.eulerToQuaternion(r._rotation,"XYZ",r._quaternion),r._scale=re.vec3(s.scale||[1,1,1]),r._worldRotationMatrix=re.mat4(),r._worldRotationMatrixConjugate=re.mat4(),r._matrix=re.mat4(),r._matrixDirty=!0,r._rebuildMatrices(),r._worldNormalMatrix=re.mat4(),re.inverseMat4(r._matrix,r._worldNormalMatrix),re.transposeMat4(r._worldNormalMatrix),(s.matrix||s.position||s.rotation||s.scale||s.quaternion)&&(r._viewMatrix=re.mat4(),r._viewNormalMatrix=re.mat4(),r._viewMatrixDirty=!0,r._matrixNonIdentity=!0),r._opacity=1,r._colorize=[1,1,1],r._saoEnabled=!1!==s.saoEnabled,r._pbrEnabled=!1!==s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._onCameraViewMatrix=r.scene.camera.on("matrix",(function(){r._viewMatrixDirty=!0})),r._meshesWithDirtyMatrices=[],r._numMeshesWithDirtyMatrices=0,r._onTick=r.scene.on("tick",(function(){for(;r._numMeshesWithDirtyMatrices>0;)r._meshesWithDirtyMatrices[--r._numMeshesWithDirtyMatrices]._updateMatrix()})),r._createDefaultTextureSet(),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.backfaces=s.backfaces,r}return C(i,[{key:"_meshMatrixDirty",value:function(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}},{key:"_createDefaultTextureSet",value:function(){var e=new ih({id:"defaultColorTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new ih({id:"defaultMetalRoughTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new ih({id:"defaultNormalsTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),r=new ih({id:"defaultEmissiveTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),s=new ih({id:"defaultOcclusionTexture",texture:new Wn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=r,this._textures.defaultOcclusionTexture=s,this._textureSets.defaultTextureSet=new th({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:r,occlusionTexture:s})}},{key:"isPerformanceModel",get:function(){return!0}},{key:"transforms",get:function(){return this._transforms}},{key:"textures",get:function(){return this._textures}},{key:"textureSets",get:function(){return this._textureSets}},{key:"meshes",get:function(){return this._meshes}},{key:"objects",get:function(){return this._entities}},{key:"origin",get:function(){return this._origin}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){}},{key:"matrix",get:function(){return this._rebuildMatrices(),this._matrix},set:function(e){this._matrix.set(e||Nh),re.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotationMatrix",get:function(){return this._rebuildMatrices(),this._worldRotationMatrix}},{key:"_rebuildMatrices",value:function(){this._matrixDirty&&(re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),re.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),re.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),re.scaleMat4v(this._scale,this._worldRotationMatrix),re.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),re.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}},{key:"rotationMatrixConjugate",get:function(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}},{key:"_setWorldMatrixDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}},{key:"_sceneModelDirty",value:function(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}},{key:"worldMatrix",get:function(){return this.matrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrix}},{key:"_rebuildViewMatrices",value:function(){this._rebuildMatrices(),this._viewMatrixDirty&&(re.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}},{key:"viewMatrix",get:function(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}},{key:"viewNormalMatrix",get:function(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}},{key:"backfaces",get:function(){return this._backfaces},set:function(e){e=!!e,this._backfaces=e,this.glRedraw()}},{key:"entityList",get:function(){return this._entityList}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return!1}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._entityList.length;e<t;e++)re.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"numLines",get:function(){return this._numLines}},{key:"numPoints",get:function(){return this._numPoints}},{key:"visible",get:function(){return this.numVisibleLayerPortions>0},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}},{key:"xrayed",get:function(){return this.numXRayedLayerPortions>0},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}},{key:"highlighted",get:function(){return this.numHighlightedLayerPortions>0},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}},{key:"selected",get:function(){return this.numSelectedLayerPortions>0},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}},{key:"edges",get:function(){return this.numEdgesLayerPortions>0},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}},{key:"pickable",get:function(){return this.numPickableLayerPortions>0},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}},{key:"colorize",get:function(){return this._colorize},set:function(e){this._colorize=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}},{key:"opacity",get:function(){return this._opacity},set:function(e){this._opacity=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}},{key:"saoEnabled",get:function(){return this._saoEnabled}},{key:"pbrEnabled",get:function(){return this._pbrEnabled}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!1}},{key:"xrayMaterial",get:function(){return this.scene.xrayMaterial}},{key:"highlightMaterial",get:function(){return this.scene.highlightMaterial}},{key:"selectedMaterial",get:function(){return this.scene.selectedMaterial}},{key:"edgeMaterial",get:function(){return this.scene.edgeMaterial}},{key:"getPickViewMatrix",value:function(e){return this._viewMatrix?this._viewMatrix:e}},{key:"createQuantizationRange",value:function(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:ka(e.aabb,re.mat4())}:this.error("[createQuantizationRange] Config missing: id")}},{key:"createGeometry",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("[createGeometry] Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ka(e.positionsDecodeBoundary,re.mat4())),e.positions){var i=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(i,e.positions),e.positionsCompressed=Fa(e.positions,i,e.positionsDecodeMatrix),e.aabb=i}else if(e.positionsCompressed){var r=re.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),re.expandAABB3Points3(r,e.positionsCompressed),zi.decompressAABB(r,e.positionsDecodeMatrix),e.aabb=r}else if(e.buckets){var s=re.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(var n=0,o=e.buckets.length;n<o;n++){var a=e.buckets[n];a.positions?re.expandAABB3Points3(s,a.positions):a.positionsCompressed&&re.expandAABB3Points3(s,a.positionsCompressed)}e.positionsDecodeMatrix&&zi.decompressAABB(s,e.positionsDecodeMatrix),e.aabb=s}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){for(var l=e.colors,u=new Uint8Array(l.length),c=0,A=l.length;c<A;c++)u[c]=255*l[c];e.colorsCompressed=u}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Oi(e.positions,e.indices,null,5):e.edgeIndices=Oi(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){var h=zi.getUVBounds(e.uv),d=zi.compressUVs(e.uv,h.min,h.max);e.uvCompressed=d.quantized,e.uvDecodeMatrix=d.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error("[createGeometry] Unsupported value for 'primitive': '".concat(e.primitive,"' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'."));else this.error("[createGeometry] Config missing: id")}},{key:"createTexture",value:function(e){var t=this,i=e.id;if(null!=i)if(this._textures[i])this.error("[createTexture] Texture already created: "+i);else{if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;var r=e.minFilter||1008;1006!==r&&1007!==r&&1008!==r&&1005!==r&&1004!==r&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),r=1008);var s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);var n=e.wrapS||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);var o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);var a=e.wrapR||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);var l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);var u=new Wn({gl:this.scene.canvas.gl,minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,encoding:l});if(e.preloadColor&&u.setPreloadColor(e.preloadColor),e.image){var c=e.image;if(c.crossOrigin="Anonymous",c.compressed){var A=c.data;u.setCompressedData({mipmaps:A,props:{format:A[0].format,minFilter:r,magFilter:s}})}else u.setImage(c,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l})}else if(e.src){var h=e.src.split(".").pop();switch(h){case"jpeg":case"jpg":case"png":case"gif":var d=new Image;d.onload=function(){u.setImage(d,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l}),t.glRedraw()},d.src=e.src;break;default:this._textureTranscoder?he.loadArraybuffer(e.src,(function(e){e.byteLength?t._textureTranscoder.transcode([e],u).then((function(){t.glRedraw()})):t.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error("[createTexture] Can't create texture from 'src': ".concat(e))})):this.error("[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('".concat(h,"')"))}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,u).then((function(){t.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[i]=new ih({id:i,texture:u})}else this.error("[createTexture] Config missing: id")}},{key:"createTextureSet",value:function(e){var t=e.id;if(null!=t){if(!this._textureSets[t]){var i,r,s,n,o;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(!(i=this._textures[e.colorTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.colorTextureId," - ensure that you create it first with createTexture()"))}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(!(r=this._textures[e.metallicRoughnessTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.metallicRoughnessTextureId," - ensure that you create it first with createTexture()"))}else r=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(!(s=this._textures[e.normalsTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.normalsTextureId," - ensure that you create it first with createTexture()"))}else s=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(!(n=this._textures[e.emissiveTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.emissiveTextureId," - ensure that you create it first with createTexture()"))}else n=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(!(o=this._textures[e.occlusionTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.occlusionTextureId," - ensure that you create it first with createTexture()"))}else o=this._textures.defaultOcclusionTexture;var a=new th({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:r,normalsTexture:s,emissiveTexture:n,occlusionTexture:o});return this._textureSets[t]=a,a}this.error("[createTextureSet] Texture set already created: ".concat(t))}else this.error("[createTextureSet] Config missing: id")}},{key:"createTransform",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._transforms[e.id])this.error("[createTransform] SceneModel already has a transform with this ID: ".concat(e.id));else{var t;if(!e.parentTransformId||(t=this._transforms[e.parentTransformId])){var i=new Dh({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}this.error("[createTransform] SceneModel.createTransform() config missing: id")}else this.error("[createTransform] SceneModel.createTransform() config missing: id")}},{key:"createMesh",value:function(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error("[createMesh] SceneModel already has a mesh with this ID: ".concat(e.id)),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error("Unsupported value for 'primitive': '".concat(primitive,"'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.")),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error("Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;var i=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var r=e.scale||Rh,s=e.position||Uh;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",Lh),e.meshMatrix=re.composeMat4(s,Lh,r,re.mat4())):e.meshMatrix=re.composeMat4(s,e.quaternion||Oh,r,re.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ka(e.positionsDecodeBoundary,re.mat4())),i){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Qh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){var n=re.vec3(),o=[];Ge(e.positions,o,n)&&(e.positions=o,e.origin=re.addVec3(e.origin,n,n))}if(e.positions){var a=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(a,e.positions),e.positionsCompressed=Fa(e.positions,a,e.positionsDecodeMatrix),e.aabb=a}else if(e.positionsCompressed){var l=re.collapseAABB3();re.expandAABB3Points3(l,e.positionsCompressed),zi.decompressAABB(l,e.positionsDecodeMatrix),e.aabb=l}if(e.buckets){for(var u=re.collapseAABB3(),c=0,A=e.buckets.length;c<A;c++){var h=e.buckets[c];h.positions?re.expandAABB3Points3(u,h.positions):h.positionsCompressed&&re.expandAABB3Points3(u,h.positionsCompressed)}e.positionsDecodeMatrix&&zi.decompressAABB(u,e.positionsDecodeMatrix),e.aabb=u}e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,Th),re.transformOBB3(e.meshMatrix,Th),re.OBB3ToAABB3(Th,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Oi(e.positions,e.indices,null,2):e.edgeIndices=Oi(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=Hh(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){var d=[];Ge(e.positions,d,Sh)&&(e.positions=d,e.origin=re.addVec3(e.origin,Sh,re.vec3()))}if(e.positions){var p=re.collapseAABB3();e.meshMatrix&&(re.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),re.expandAABB3Points3(p,e.positions),e.aabb=p}else{var f=re.collapseAABB3();re.expandAABB3Points3(f,e.positionsCompressed),zi.decompressAABB(f,e.positionsDecodeMatrix),e.aabb=f}if(e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,Th),re.transformOBB3(e.meshMatrix,Th),re.OBB3ToAABB3(Th,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Oi(e.positions,e.indices,null,2):e.edgeIndices=Oi(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error("[createMesh] Texture set not found: ".concat(e.textureSetId," - ensure that you create it first with createTextureSet()")),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error("[createMesh] Geometry not found: ".concat(e.geometryId," - ensure that you create it first with createGeometry()")),!1;if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error("[createMesh] Transform not found: ".concat(e.transformId," - ensure that you create it first with createTransform()")),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var v=e.scale||Rh,g=e.position||Uh;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",Lh),e.meshMatrix=re.composeMat4(g,Lh,v,re.mat4())):e.meshMatrix=re.composeMat4(g,e.quaternion||Oh,v,re.mat4())}re.AABB3ToOBB3(e.geometry.aabb,Th),re.transformOBB3(e.meshMatrix,Th),e.aabb=re.OBB3ToAABB3(Th,re.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Qh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;var m=this._dtxBuckets[e.geometryId];m||(m=Hh(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=m),e.buckets=m}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Qh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}},{key:"_createDefaultIndices",value:function(e){for(var t=[],i=0;i<e;i++)t.push(i);return t}},{key:"_createMesh",value:function(e){var t=new So(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);var i=t.pickId,r=i>>24&255,s=i>>16&255,n=i>>8&255,o=255&i;switch(e.pickColor=new Uint8Array([o,n,s,r]),e.solid="solid"===e.primitive,t.origin=re.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}},{key:"_getNumPrimitives",value:function(e){var t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(var i=0,r=e.buckets.length;i<r;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(var s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:var o=e.geometry;t+=o.positions?o.positions.length:o.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(var a=0,l=e.buckets.length;a<l;a++)t+=e.buckets[a].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}},{key:"_getDTXLayer",value:function(e){var t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,r=".".concat(i,".").concat(Math.round(t[0]),".").concat(Math.round(t[1]),".").concat(Math.round(t[2])),s=this._dtxLayers[r];if(s){if(s.canCreatePortion(e))return s;delete this._dtxLayers[r],s=null}switch(i){case"triangles":case"solid":case"surface":s=new eh(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":s=new kc(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[r]=s,this.layerList.push(s),this._layersToFinalize.push(s),s}},{key:"_getVBOBatchingLayer",value:function(e){var t=this,i=e.origin;e.renderLayer;var r=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",s=e.textureSetId||"-",n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(e.primitive,".").concat(r,".").concat(s),o=this._vboBatchingLayers[n];if(o)return o;for(var a=e.textureSet;!o;){switch(e.primitive){case"triangles":case"solid":case"surface":o=new ja({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":o=new $l({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":o=new Qu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}var l=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?o.canCreatePortion(l):o.canCreatePortion(l,e.indices.length))||(o.finalize(),delete this._vboBatchingLayers[n],o=null)}return this._vboBatchingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"_createHashStringFromMatrix",value:function(e){for(var t=e.join(""),i=0,r=0;r<t.length;r++){i=(i<<5)-i+t.charCodeAt(r),i|=0}return(i>>>0).toString(16)}},{key:"_getVBOInstancingLayer",value:function(e){var t=this,i=e.origin,r=e.textureSetId||"-",s=e.geometryId,n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(r,".").concat(s),o=this._vboInstancingLayers[n];if(o)return o;for(var a=e.textureSet,l=e.geometry;!o;)switch(l.primitive){case"triangles":case"surface":o=new Tl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":o=new Tl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":o=new _u({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":o=new Ac({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"createEntity",value:function(e){if(void 0===e.id?e.id=re.createUUID():this.scene.components[e.id]&&(this.error("Scene already has a Component with this ID: ".concat(e.id," - will assign random ID")),e.id=re.createUUID()),void 0!==e.meshIds){var t=0;return this._visible&&!1!==e.visible&&(t|=Ke),this._pickable&&!1!==e.pickable&&(t|=Je),this._culled&&!1!==e.culled&&(t|=Xe),this._clippable&&!1!==e.clippable&&(t|=Ye),this._collidable&&!1!==e.collidable&&(t|=Ze),this._edges&&!1!==e.edges&&(t|=tt),this._xrayed&&!1!==e.xrayed&&(t|=qe),this._highlighted&&!1!==e.highlighted&&(t|=$e),this._selected&&!1!==e.selected&&(t|=et),e.flags=t,this._createEntity(e)}this.error("Config missing: meshIds")}},{key:"_createEntity",value:function(e){for(var t=[],i=0,r=e.meshIds.length;i<r;i++){var s=e.meshIds[i],n=this._meshes[s];n?n.parent?this.error('Mesh with ID "'.concat(s,'" already belongs to object with ID "').concat(n.parent.id,'" - ignoring this mesh')):(t.push(n),delete this._unusedMeshes[s]):this.error('Mesh with this ID not found: "'.concat(s,'" - ignoring this mesh'))}var o=new st(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(o),this._entities[e.id]=o,this._entitiesToFinalize.push(o),this.numEntities++,o}},{key:"preFinalize",value:function(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(var e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(var i=0,r=this._entitiesToFinalize.length;i<r;i++){this._entitiesToFinalize[i]._finalize()}for(var s=0,n=this._entitiesToFinalize.length;s<n;s++){this._entitiesToFinalize[s]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort((function(e,t){return e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0}));for(var o=0,a=this.layerList.length;o<a;o++){this.layerList[o].layerIndex=o}this.glRedraw(),this._layersFinalized=!0}},{key:"finalize",value:function(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}},{key:"stateSortCompare",value:function(e,t){}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}},{key:"_updateRenderFlagsVisibleLayers",value:function(){var e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(var t=0,i=this.layerList.length;t<i;t++){var r=this.layerList[t];this._getActiveSectionPlanesForLayer(r)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}},{key:"_createDummyEntityForUnusedMeshes",value:function(){var e=Object.keys(this._unusedMeshes);if(e.length>0){var t="".concat(this.id,"-").concat(re.createUUID());this.warn('Creating dummy SceneModelEntity "'.concat(t,'" for unused SceneMeshes: [').concat(e.join(","),"]")),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}},{key:"_getActiveSectionPlanesForLayer",value:function(e){var t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,r=i.length,s=e.layerIndex*r;if(r>0)for(var n=0;n<r;n++){i[n].active?(t.sectionPlanesActivePerLayer[s+n]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[s+n]=!1}return!0}},{key:"_updateRenderFlags",value:function(){if(0!==this.numVisibleLayerPortions&&this.numCulledLayerPortions!==this.numPortions){var e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){var t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0)this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0));if(this.numSelectedLayerPortions>0){var i=this.scene.selectedMaterial._state;i.fill&&(i.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){var r=this.scene.highlightMaterial._state;r.fill&&(r.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"drawColorOpaque",value:function(e,t){for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r];this.layerList[n].drawColorOpaque(i,e)}}},{key:"drawColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}},{key:"drawDepth",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}},{key:"drawNormals",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}},{key:"drawSilhouetteXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}},{key:"drawSilhouetteHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}},{key:"drawSilhouetteSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}},{key:"drawEdgesColorOpaque",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}},{key:"drawEdgesColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}},{key:"drawEdgesXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}},{key:"drawEdgesHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}},{key:"drawEdgesSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}},{key:"drawOcclusion",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}},{key:"drawShadow",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}},{key:"setPickMatrices",value:function(e,t){if(0!==this._numVisibleLayerPortions)for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r],o=this.layerList[n];o.setPickMatrices&&o.setPickMatrices(e,t)}}},{key:"drawPickMesh",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}},{key:"drawPickDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}},{key:"drawPickNormals",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}},{key:"drawSnapInit",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"drawSnap",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"destroy",value:function(){for(var e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();for(var t in this._vboBatchingLayers={},this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(t)&&this._vboInstancingLayers[t].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(var r=0,s=this.layerList.length;r<s;r++)this.layerList[r].destroy();this.layerList=[];for(var n=0,o=this._entityList.length;n<o;n++)this._entityList[n]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Lo&&0==--Lo&&To._clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}();function Hh(e,t,i){var r,s,n,o;if(t||i){var a=A(gh({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}),3);r=a[0],s=a[1],n=a[2]}else r=e.positionsCompressed,s=e.indices,n=e.edgeIndices;i?o=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=e.positionsCompressed||[],s=yh(e.indices||[],t),n=wh(e.edgeIndices||[]);function o(e,t){if(e>t){var i=e;e=t,t=i}function r(i,r){return i!==e?e-i:r!==t?t-r:0}for(var s=0,o=(n.length>>1)-1;s<=o;){var a=o+s>>1,l=r(n[2*a],n[2*a+1]);if(l>0)s=a+1;else{if(!(l<0))return a;o=a-1}}return-s-1}var a=new Int32Array(n.length/2);a.fill(0);var l=r.length/3;if(l>8*(1<<t))return[e];var u=new Int32Array(l);u.fill(-1);var c=[];function A(){u.fill(-1);var e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:c.length};return c.push(e),e}for(var h=A(),d=0,p=s.length;d<p;d+=3){var f=0,v=s[d],g=s[d+1],m=s[d+2];if(-1===u[v]&&f++,-1===u[g]&&f++,-1===u[m]&&f++,f+h.numPositions>h.maxNumPositions&&(h=A()),h.bucketNumber>8)return[e];-1===u[v]&&(u[v]=h.numPositions++,h.positionsCompressed.push(r[3*v]),h.positionsCompressed.push(r[3*v+1]),h.positionsCompressed.push(r[3*v+2])),-1===u[g]&&(u[g]=h.numPositions++,h.positionsCompressed.push(r[3*g]),h.positionsCompressed.push(r[3*g+1]),h.positionsCompressed.push(r[3*g+2])),-1===u[m]&&(u[m]=h.numPositions++,h.positionsCompressed.push(r[3*m]),h.positionsCompressed.push(r[3*m+1]),h.positionsCompressed.push(r[3*m+2])),h.indices.push(u[v]),h.indices.push(u[g]),h.indices.push(u[m]);var _=void 0;(_=o(v,g))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(v,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(g,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]]))}var y=t/8*2,b=t/8,x=2*r.length+(s.length+n.length)*y,w=0;return r.length,c.forEach((function(e){w+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*b,e.positionsCompressed.length})),w>x?[e]:(i&&Bh(c,e),c)}({positionsCompressed:r,indices:s,edgeIndices:n},r.length/3>65536?16:8):o=[{positionsCompressed:r,indices:s,edgeIndices:n}];return o}var jh=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e,s))._positions=s.positions||[],s.indices)r._indices=s.indices;else{r._indices=[];for(var n=0,o=r._positions.length/3-1;n<o;n+=2)r._indices.push(n),r._indices.push(n+1)}return r._sceneModel=new Vh(b(r),{isModel:!1}),r._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:r._positions,indices:r._indices}),r._sceneModel.createEntity({meshIds:["linesMesh"],visible:s.visible,clippable:s.clippable,collidable:s.collidable}),r._sceneModel.finalize(),r.scene._lineSetCreated(b(r)),r}return C(i,[{key:"visible",get:function(){return this._sceneModel.visible},set:function(e){this._sceneModel.visible=e}},{key:"positions",get:function(){return this._positions}},{key:"indices",get:function(){return this._indices}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lineSetDestroyed(this)}}]),i}(),Gh=re.vec3(),zh=re.vec3(),Wh=re.vec3(),Kh=re.vec3(),Xh=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"BCFViewpoints",e,s)).originatingSystem=s.originatingSystem||"xeokit.io",r.authoringTool=s.authoringTool||"xeokit.io",r}return C(i,[{key:"getViewpoint",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=this.viewer.scene,r=i.camera,s=i.realWorldOffset,n=!0===t.reverseClippingPlanes,o={},a=re.normalizeVec3(re.subVec3(r.look,r.eye,re.vec3())),l=r.eye,u=r.up;r.yUp&&(a=Zh(a),l=Zh(l),u=Zh(u));var c=Jh(re.addVec3(l,s));"ortho"===r.projection?o.orthogonal_camera={camera_view_point:c,camera_direction:Jh(a),camera_up_vector:Jh(u),view_to_world_scale:r.ortho.scale}:o.perspective_camera={camera_view_point:c,camera_direction:Jh(a),camera_up_vector:Jh(u),field_of_view:r.perspective.fov};var h=i.sectionPlanes;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];if(!p.active)continue;var f=p.pos,v=void 0;v=n?re.negateVec3(p.dir,re.vec3()):p.dir,r.yUp&&(f=Zh(f),v=Zh(v)),re.addVec3(f,s),f=Jh(f),v=Jh(v),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:f,direction:v})}var g=i.lineSets;for(var m in g)if(g.hasOwnProperty(m)){var _=g[m];o.lines||(o.lines=[]);for(var y=_.positions,b=_.indices,x=0,w=b.length/2;x<w;x++){var B=b[2*x],P=b[2*x+1];o.lines.push({start_point:{x:y[3*B+0],y:y[3*B+1],z:y[3*B+2]},end_point:{x:y[3*P+0],y:y[3*P+1],z:y[3*P+2]}})}}var C=i.bitmaps;for(var M in C)if(C.hasOwnProperty(M)){var E=C[M],F=E.pos,k=E.normal,I=E.up;r.yUp&&(F=Zh(F),k=Zh(k),I=Zh(I)),re.addVec3(F,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:E.type,bitmap_data:E.imageData,location:Jh(F),normal:Jh(k),up:Jh(I),height:E.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!t.spacesVisible,space_boundaries_visible:!!t.spaceBoundariesVisible,openings_visible:!!t.openingsVisible,spaces_translucent:!!t.spaces_translucent,space_boundaries_translucent:!!t.space_boundaries_translucent,openings_translucent:!!t.openings_translucent}}};var D=new Set(i.opacityObjectIds),S=new Set(i.xrayedObjectIds),T=new Set(i.colorizedObjectIds),L=Object.values(i.objects).filter((function(e){return D.has(e.id)||T.has(e.id)||S.has(e.id)})).reduce((function(t,r){var s,n=$h(r.colorize);r.xrayed?(s=0===i.xrayMaterial.fillAlpha&&0!==i.xrayMaterial.edgeAlpha?.1:i.xrayMaterial.fillAlpha,n=(s=Math.round(255*s).toString(16).padStart(2,"0"))+n):D.has(r.id)&&(n=(s=Math.round(255*r.opacity).toString(16).padStart(2,"0"))+n),t[n]||(t[n]=[]);var o=r.id,a=r.originalSystemId,l={ifc_guid:a,originating_system:e.originatingSystem};return a!==o&&(l.authoring_tool_id=o),t[n].push(l),t}),{}),R=Object.entries(L).map((function(e){var t=A(e,2);return{color:t[0],components:t[1]}}));o.components.coloring=R;var U=i.objectIds,O=i.visibleObjects,N=i.visibleObjectIds,Q=U.filter((function(e){return!O[e]})),V=i.selectedObjectIds;return t.defaultInvisible||N.length<Q.length?(o.components.visibility.exceptions=this._createBCFComponents(N),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(Q),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(V),o.components.translucency=this._createBCFComponents(i.xrayedObjectIds),!1!==t.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}},{key:"_createBCFComponents",value:function(e){for(var t=this.viewer.scene,i=[],r=0,s=e.length;r<s;r++){var n=e[r],o=t.objects[n];if(o){var a={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==n&&(a.authoring_tool_id=n),i.push(a)}}return i}},{key:"setViewpoint",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(e){var r=this.viewer,s=r.scene,n=s.camera,o=!1!==i.rayCast,a=!1!==i.immediate,l=!1!==i.reset,u=s.realWorldOffset,c=!0===i.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){var t=Yh(e.location,Gh),i=Yh(e.direction,Gh);c&&re.negateVec3(i),re.subVec3(t,u),n.yUp&&(t=qh(t),i=qh(i)),new Cn(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){var A=[],h=[],d=0;e.lines.forEach((function(e){e.start_point&&e.end_point&&(A.push(e.start_point.x),A.push(e.start_point.y),A.push(e.start_point.z),A.push(e.end_point.x),A.push(e.end_point.y),A.push(e.end_point.z),h.push(d++),h.push(d++))})),new jh(s,{positions:A,indices:h,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){var t=e.bitmap_type||"jpg",i=e.bitmap_data,r=Yh(e.location,zh),o=Yh(e.normal,Wh),a=Yh(e.up,Kh),l=e.height||1;t&&i&&r&&o&&a&&(n.yUp&&(r=qh(r),o=qh(o),a=qh(a)),new fo(s,{src:i,type:t,pos:r,normal:o,up:a,clippable:!1,collidable:!0,height:l}))})),l&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!1}))}))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!0}))})));var p=e.components.visibility.view_setup_hints;p&&(!1===p.spaces_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==p.spaces_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcSpace"),!0),p.space_boundaries_visible,!1===p.openings_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcOpening"),!0),p.space_boundaries_translucent,void 0!==p.openings_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.selected=!0}))}))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.xrayed=!0}))}))),e.components.coloring&&e.components.coloring.forEach((function(e){var r=e.color,s=0,n=!1;8===r.length&&((s=parseInt(r.substring(0,2),16)/256)<=1&&s>=.95&&(s=1),r=r.substring(2),n=!0);var o=[parseInt(r.substring(0,2),16)/256,parseInt(r.substring(2,4),16)/256,parseInt(r.substring(4,6),16)/256];e.components.map((function(e){return t._withBCFComponent(i,e,(function(e){e.colorize=o,n&&(e.opacity=s)}))}))}))}if(e.perspective_camera||e.orthogonal_camera){var f,v,g,m;if(e.perspective_camera?(f=Yh(e.perspective_camera.camera_view_point,Gh),v=Yh(e.perspective_camera.camera_direction,Gh),g=Yh(e.perspective_camera.camera_up_vector,Gh),n.perspective.fov=e.perspective_camera.field_of_view,m="perspective"):(f=Yh(e.orthogonal_camera.camera_view_point,Gh),v=Yh(e.orthogonal_camera.camera_direction,Gh),g=Yh(e.orthogonal_camera.camera_up_vector,Gh),n.ortho.scale=e.orthogonal_camera.view_to_world_scale,m="ortho"),re.subVec3(f,u),n.yUp&&(f=qh(f),v=qh(v),g=qh(g)),o){var _=s.pick({pickSurface:!0,origin:f,direction:v});v=_?_.worldPos:re.addVec3(f,v,Gh)}else v=re.addVec3(f,v,Gh);a?(n.eye=f,n.look=v,n.up=g,n.projection=m):r.cameraFlight.flyTo({eye:f,look:v,up:g,duration:i.duration,projection:m})}}}},{key:"_withBCFComponent",value:function(e,t,i){var r=this.viewer,s=r.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){var n=t.authoring_tool_id,o=s.objects[n];if(o)return void i(o);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[n])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}if(t.ifc_guid){var a=t.ifc_guid,l=s.objects[a];if(l)return void i(l);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[a])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(a),i);Object.keys(s.models).forEach((function(t){var n=re.globalizeObjectId(t,a),o=s.objects[n];o?i(o):e.updateCompositeObjects&&r.metaScene.metaObjects[n]&&s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}();function Jh(e){return{x:e[0],y:e[1],z:e[2]}}function Yh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function Zh(e){return new Float64Array([e[0],-e[2],e[1]])}function qh(e){return new Float64Array([e[0],e[2],-e[1]])}function $h(e){var t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0")}var ed=re.vec3(),td=re.vec3(),id=function(e,t,i,r){var s=e-i,n=t-r;return Math.sqrt(s*s+n*n)};var rd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";r._eventSubs={};var n=r.plugin.viewer.scene;r._originWorld=re.vec3(),r._targetWorld=re.vec3(),r._wp=new Float64Array(24),r._vp=new Float64Array(24),r._pp=new Float64Array(24),r._cp=new Float64Array(8),r._xAxisLabelCulled=!1,r._yAxisLabelCulled=!1,r._zAxisLabelCulled=!1,r._color=s.color||r.plugin.defaultColor;var o=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},u=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},c=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},A=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,h=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};return r._originDot=new ct(n,s.origin,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._targetDot=new ct(n,s.target,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._lengthWire=new pt(r._container,{color:r._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._xAxisWire=new pt(r._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._yAxisWire=new pt(r._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._zAxisWire=new pt(r._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._lengthLabel=new ft(r._container,{fillColor:r._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._xAxisLabel=new ft(r._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._yAxisLabel=new ft(r._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._zAxisLabel=new ft(r._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:c,onContextMenu:A}),r._measurementOrientation="Horizontal",r._wpDirty=!1,r._vpDirty=!1,r._cpDirty=!1,r._sectionPlanesDirty=!0,r._visible=!1,r._originVisible=!1,r._targetVisible=!1,r._useRotationAdjustment=!1,r._wireVisible=!1,r._axisVisible=!1,r._xAxisVisible=!1,r._yAxisVisible=!1,r._zAxisVisible=!1,r._axisEnabled=!0,r._xLabelEnabled=!1,r._yLabelEnabled=!1,r._zLabelEnabled=!1,r._lengthLabelEnabled=!1,r._labelsVisible=!1,r._labelsOnWires=!1,r._clickable=!1,r._originDot.on("worldPos",(function(e){r._originWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._targetDot.on("worldPos",(function(e){r._targetWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._onViewMatrix=n.camera.on("viewMatrix",(function(){r._vpDirty=!0,r._needUpdate(0)})),r._onProjMatrix=n.camera.on("projMatrix",(function(){r._cpDirty=!0,r._needUpdate()})),r._onCanvasBoundary=n.canvas.on("boundary",(function(){r._cpDirty=!0,r._needUpdate(0)})),r._onMetricsUnits=n.metrics.on("units",(function(){r._cpDirty=!0,r._needUpdate()})),r._onMetricsScale=n.metrics.on("scale",(function(){r._cpDirty=!0,r._needUpdate()})),r._onMetricsOrigin=n.metrics.on("origin",(function(){r._cpDirty=!0,r._needUpdate()})),r._onSectionPlaneUpdated=n.on("sectionPlaneUpdated",(function(){r._sectionPlanesDirty=!0,r._needUpdate()})),r.approximate=s.approximate,r.visible=s.visible,r.originVisible=s.originVisible,r.targetVisible=s.targetVisible,r.wireVisible=s.wireVisible,r.axisVisible=s.axisVisible,r.xAxisVisible=s.xAxisVisible,r.yAxisVisible=s.yAxisVisible,r.zAxisVisible=s.zAxisVisible,r.xLabelEnabled=s.xLabelEnabled,r.yLabelEnabled=s.yLabelEnabled,r.zLabelEnabled=s.zLabelEnabled,r.lengthLabelEnabled=s.lengthLabelEnabled,r.labelsVisible=s.labelsVisible,r.labelsOnWires=s.labelsOnWires,r._useRotationAdjustment=s.useRotationAdjustment,r._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r}return C(i,[{key:"axesBasis",get:function(){return this._axesBasis},set:function(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}},{key:"_update",value:function(){if(this._visible){var e=this.plugin.viewer.scene;if(this._wpDirty){var t=re.subVec3(this._targetWorld,this._originWorld,td);this._factors=re.transformVec3(this._axesBasis,t),this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1):(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1),this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(re.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}var i=this._originDot.viewPos[2],r=this._targetDot.viewPos[2];if(i>-.3||r>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){re.transformPositions4(e.camera.project.matrix,this._vp,this._pp);for(var s=this._pp,n=this._cp,o=e.canvas.canvas.getBoundingClientRect(),a=this._container.getBoundingClientRect(),l=o.top-a.top,u=o.left-a.left,c=e.canvas.boundary,A=c[2],h=c[3],d=0,p=this.plugin.viewer.scene.metrics,f=p.scale,v=p.units,g=p.unitsInfo[v].abbrev,m=0,_=s.length;m<_;m+=4)n[d]=u+Math.floor((1+s[m+0]/s[m+3])*A/2),n[d+1]=l+Math.floor((1-s[m+1]/s[m+3])*h/2),d+=2;if(this._lengthWire.setStartAndEnd(n[0],n[1],n[6],n[7]),this._xAxisWire.setStartAndEnd(n[0],n[1],n[2],n[3]),this._yAxisWire.setStartAndEnd(n[2],n[3],n[4],n[5]),this._zAxisWire.setStartAndEnd(n[4],n[5],n[6],n[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(n[0],n[1],n[6],n[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(n[0],n[1],n[2],n[3]),this._yAxisLabel.setPosOnWire(n[2],n[3],n[4],n[5]),this._zAxisLabel.setPosOnWire(n[4],n[5],n[6],n[7]);else{var y=35;this._xAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y),y+=35,this._yAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y),y+=35,this._zAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y)}var b=this._approximate?" ~ ":" = ";this._length=Math.abs(re.lenVec3(re.subVec3(this._targetWorld,this._originWorld,ed))),this._lengthLabel.setText(b+(this._length*f).toFixed(2)+g);var x=Math.abs(id(n[0],n[1],n[2],n[3])),w=Math.abs(id(n[2],n[3],n[4],n[5])),B=Math.abs(id(n[4],n[5],n[6],n[7])),P=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=x<P,this._yAxisLabelCulled=w<P,this._zAxisLabelCulled=B<P):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(b+Math.abs(this._factors[0]*f).toFixed(2)+g),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(b+Math.abs(this._factors[1]*f).toFixed(2)+g),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this._useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(b+Math.abs(re.lenVec3(re.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],ed))*f).toFixed(2)+g)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(b+Math.abs(this._factors[2]*f).toFixed(2)+g)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}}},{key:"_isSliced",value:function(e){for(var t=this.scene._sectionPlanesState.sectionPlanes,i=0,r=t.length;i<r;i++){var s=t[i];if(re.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}},{key:"origin",get:function(){return this._originDot}},{key:"target",get:function(){return this._targetDot}},{key:"length",get:function(){this._update();var e=this.plugin.viewer.scene.metrics.scale;return this._length*e}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}},{key:"visible",get:function(){return this._visible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);var t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,r=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(r),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(r&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"originVisible",get:function(){return this._originVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}},{key:"targetVisible",get:function(){return this._targetVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment},set:function(e){e=void 0!==e?Boolean(e):this.plugin.useRotationAdjustment,this._useRotationAdjustment=e}},{key:"axisEnabled",get:function(){return this._axisEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"axisVisible",get:function(){return this._axisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}},{key:"xAxisVisible",get:function(){return this._xAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;var t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"yAxisVisible",get:function(){return this._yAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;var t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"zAxisVisible",get:function(){return this._zAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;var t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"wireVisible",get:function(){return this._wireVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}},{key:"labelsVisible",get:function(){return this._labelsVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"xLabelEnabled",get:function(){return this._xLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"yLabelEnabled",get:function(){return this._yLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"zLabelEnabled",get:function(){return this._zLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"lengthLabelEnabled",get:function(){return this._lengthLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"labelsOnWires",get:function(){return this._labelsOnWires},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}},{key:"setHighlighted",value:function(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}},{key:"clickable",get:function(){return this._clickable},set:function(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}},{key:"destroy",value:function(){var e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),sd=function(e){g(i,Ce);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),nd=function(e){g(i,sd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);var t=this.distanceMeasurementsPlugin,i=this.scene,r=t.viewer.cameraControl,s=i.canvas.canvas;i.input;var n,o,a=!1,l=re.vec3(),u=re.vec2(),c=null;this._mouseState=0;var A=re.vec2(),h=function(t){var i=t.snappedCanvasPos||t.canvasPos;if(a=!0,l.set(t.worldPos),u.set(t.canvasPos),0===e._mouseState){if(e._canvasToPagePos)e._canvasToPagePos(s,i,A),e._markerDiv.style.left="".concat(A[0]-5,"px"),e._markerDiv.style.top="".concat(A[1]-5,"px");else{var r=re.vec2(i);ut(s,e._markerDiv.parentNode,r),e._markerDiv.style.left="".concat(r[0]-5,"px"),e._markerDiv.style.top="".concat(r[1]-5,"px")}e._markerDiv.style.background="pink",t.snappedToVertex||t.snappedToEdge?(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,e.pointerLens.snapped=!0),e._markerDiv.style.background="greenyellow",e._markerDiv.style.border="2px solid green"):(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.canvasPos,e.pointerLens.snapped=!1),e._markerDiv.style.background="pink",e._markerDiv.style.border="2px solid red"),c=t.entity}else e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px";s.style.cursor="pointer",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=e._currentDistanceMeasurementInitState.wireVisible,e._currentDistanceMeasurement.axisVisible=e._currentDistanceMeasurementInitState.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurement.xAxisVisible=e._currentDistanceMeasurementInitState.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurement.yAxisVisible=e._currentDistanceMeasurementInitState.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurement.zAxisVisible=e._currentDistanceMeasurementInitState.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurement.targetVisible=e._currentDistanceMeasurementInitState.targetVisible,e._currentDistanceMeasurement.target.worldPos=l.slice(),e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&h(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||h(t)})),s.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(n=e.clientX,o=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=function(i){1===i.which&&(i.clientX>n+20||i.clientX<n-20||i.clientY>o+20||i.clientY<o-20||(e._currentDistanceMeasurement?a?(e._currentDistanceMeasurement.target.entity=c,c=null,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):(e._currentDistanceMeasurement.destroy(),e.distanceMeasurementsPlugin.fire("measurementCancel",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,c=null):a&&(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:l.slice(),entity:c},target:{worldPos:l.slice(),entity:c},approximate:!0}),e._currentDistanceMeasurementInitState.axisVisible=e._currentDistanceMeasurement.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurementInitState.xAxisVisible=e._currentDistanceMeasurement.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurementInitState.yAxisVisible=e._currentDistanceMeasurement.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurementInitState.zAxisVisible=e._currentDistanceMeasurement.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurementInitState.wireVisible=e._currentDistanceMeasurement.wireVisible,e._currentDistanceMeasurementInitState.targetVisible=e._currentDistanceMeasurement.targetVisible,e._currentDistanceMeasurement.clickable=!1,e._currentDistanceMeasurement.origin.entity=c,c=null,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement))))});var d=function(t){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos),a=!1,e._markerDiv.style.left="-100px",e._markerDiv.style.top="-100px",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&d(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||d(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),od=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"DistanceMeasurements",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.labelMinAxisLength=s.labelMinAxisLength,r.defaultVisible=!1!==s.defaultVisible,r.defaultOriginVisible=!1!==s.defaultOriginVisible,r.defaultTargetVisible=!1!==s.defaultTargetVisible,r.defaultWireVisible=!1!==s.defaultWireVisible,r.defaultXLabelEnabled=!1!==s.defaultXLabelEnabled,r.defaultYLabelEnabled=!1!==s.defaultYLabelEnabled,r.defaultZLabelEnabled=!1!==s.defaultZLabelEnabled,r.defaultLengthLabelEnabled=!1!==s.defaultLengthLabelEnabled,r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.defaultAxisVisible=!1!==s.defaultAxisVisible,r.defaultXAxisVisible=!1!==s.defaultXAxisVisible,r.defaultYAxisVisible=!1!==s.defaultYAxisVisible,r.defaultZAxisVisible=!1!==s.defaultZAxisVisible,r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r.defaultLabelsOnWires=!1!==s.defaultLabelsOnWires,r.useRotationAdjustment=void 0!==s.useRotationAdjustment&&!1!==s.useRotationAdjustment,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"pointerLens",get:function(){return this._pointerLens}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new nd(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"labelMinAxisLength",get:function(){return this._labelMinAxisLength},set:function(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment},set:function(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.target,s=new rd(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},target:{entity:r.entity,worldPos:r.worldPos},visible:t.visible,wireVisible:t.wireVisible,axisVisible:!1!==t.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==t.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==t.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==t.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==t.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==t.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==t.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==t.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==t.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:t.originVisible,targetVisible:t.targetVisible,color:t.color,labelsOnWires:!1!==t.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(function(){delete e._measurements[s.id]})),this.fire("measurementCreated",s),s}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=A(i[t],2);r[0];r[1].labelShown=e}}},{key:"setAxisVisible",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=A(i[t],2);r[0];r[1].axisVisible=e}this.defaultAxisVisible=e}},{key:"getAxisVisible",value:function(){return this.defaultAxisVisible}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ad=function(e){g(i,sd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Re(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),c=null,A=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(u){var d=u.touches.length;if(1===d){var p=u.touches[0],f=r.getBoundingClientRect(),v=p.clientX-f.left,g=p.clientY-f.top;switch(a.set([v,g]),l.set([v,g]),e._touchState){case 0:if(1!==d&&null!==o)return o&&(clearTimeout(o),o=null),e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),h(),void(e._touchState=0);var m=i.pick({canvasPos:l,snapping:e._snapping,snapToEdge:e._snapping});if(m&&m.snapped)s.set(m.worldPos),e.pointerCircle.start(m.snappedCanvasPos);else{var _=i.pick({canvasPos:l,pickSurface:!0});if(!_||!_.worldPos)return;s.set(_.worldPos),e.pointerCircle.start(_.canvasPos)}o=setTimeout((function(){1!==d||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=m.canvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=s:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:s,entity:m.entity},target:{worldPos:s,entity:m.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement),e._touchState=2,A())}),e._longTouchTimeoutMs),e._touchState=1,c=p.identifier;break;case 3:if(1!==d&&null!==o)return clearTimeout(o),void(o=null);1===d&&(o=setTimeout((function(){if(o=null,!(1!==d||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentDistanceMeasurement.target.worldPos=t.worldPos,e._currentDistanceMeasurement.target.entity=t.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentDistanceMeasurement.target.worldPos=r.worldPos,e._currentDistanceMeasurement.target.entity=r.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,A()}}),e._longTouchTimeoutMs),e._touchState=4),c=p.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(n){e.pointerCircle.stop();var a=n.touches.length;if(1===a&&1===n.changedTouches.length){var u,A,h=n.touches[0],d=r.getBoundingClientRect(),p=h.clientX-d.left,f=h.clientY-d.top;if(h.identifier===c)switch(l.set([p,f]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(u=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&u.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=u.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(u.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=u.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:u.worldPos,entity:u.entity},target:{worldPos:u.worldPos,entity:u.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(A=i.pick({canvasPos:l,pickSurface:!0}))&&A.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=A.canvasPos,e.pointerLens.snapped=!1),s.set(A.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=A.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:A.worldPos,entity:A.entity},target:{worldPos:A.worldPos,entity:A.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==a&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(u=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&u.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=u.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement.target.worldPos=u.worldPos,e._currentDistanceMeasurement.target.entity=u.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0):(A=i.pick({canvasPos:l,pickSurface:!0}))&&A.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=A.canvasPos,e.pointerLens.snapped=!1),e._currentDistanceMeasurement.target.worldPos=A.worldPos,e._currentDistanceMeasurement.target.entity=A.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0),e._touchState=5}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(s){e.pointerCircle.stop();var A=s.changedTouches.length;if(1===A){var d=s.changedTouches[0],p=r.getBoundingClientRect(),f=d.clientX-p.left,v=d.clientY-p.top;if(d.identifier===c)switch(o&&(clearTimeout(o),o=null),u.set([f,v]),e._touchState){case 1:if(1!==A||f>a[0]+n||f<a[0]-n||v>a[1]+n||v<a[1]-n)return void(e._touchState=0);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:g.worldPos,entity:g.entity},target:{worldPos:g.worldPos,entity:g.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1,e._touchState=3,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(e._currentDistanceMeasurement&&e._currentDistanceMeasurement.destroy(),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==A||f>a[0]+n||f<a[0]-n||v>a[1]+n||v<a[1]-n)return void(e._touchState=3);var m=i.pick({canvasPos:l,pickSurface:!0});m&&m.worldPos?(e._currentDistanceMeasurement.target.worldPos=m.worldPos,e._currentDistanceMeasurement.target.entity=m.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e._currentDistanceMeasurement.xAxisVisible=!0,e._currentDistanceMeasurement.yAxisVisible=!0,e._currentDistanceMeasurement.zAxisVisible=!0,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0,h();break;case 5:console.log("long touch"),e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement&&e._currentDistanceMeasurement.targetVisible?(e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,e._touchState=0):(e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ld=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=ht({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ud=function(e){g(i,ld);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),cd=function(e){g(i,ld);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Ad=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,"FastNav",e))._hideColorTexture=!1!==s.hideColorTexture,r._hidePBR=!1!==s.hidePBR,r._hideSAO=!1!==s.hideSAO,r._hideEdges=!1!==s.hideEdges,r._hideTransparentObjects=!!s.hideTransparentObjects,r._scaleCanvasResolution=!!s.scaleCanvasResolution,r._defaultScaleCanvasResolutionFactor=s.defaultScaleCanvasResolutionFactor||1,r._scaleCanvasResolutionFactor=s.scaleCanvasResolutionFactor||.6,r._delayBeforeRestore=!1!==s.delayBeforeRestore,r._delayBeforeRestoreSeconds=s.delayBeforeRestoreSeconds||.5;var n=1e3*r._delayBeforeRestoreSeconds,o=!1,a=function(){n=1e3*r._delayBeforeRestoreSeconds,o||(e.scene._renderer.setColorTextureEnabled(!r._hideColorTexture),e.scene._renderer.setPBREnabled(!r._hidePBR),e.scene._renderer.setSAOEnabled(!r._hideSAO),e.scene._renderer.setTransparentEnabled(!r._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!r._hideEdges),r._scaleCanvasResolution?e.scene.canvas.resolutionScale=r._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,o=!0)},l=function(){e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),o=!1};r._onCanvasBoundary=e.scene.canvas.on("boundary",a),r._onCameraMatrix=e.scene.camera.on("matrix",a),r._onSceneTick=e.scene.on("tick",(function(e){o&&(n-=e.deltaTime,(!r._delayBeforeRestore||n<=0)&&l())}));var u=!1;return r._onSceneMouseDown=e.scene.input.on("mousedown",(function(){u=!0})),r._onSceneMouseUp=e.scene.input.on("mouseup",(function(){u=!1})),r._onSceneMouseMove=e.scene.input.on("mousemove",(function(){u&&a()})),r}return C(i,[{key:"hideColorTexture",get:function(){return this._hideColorTexture},set:function(e){this._hideColorTexture=e}},{key:"hidePBR",get:function(){return this._hidePBR},set:function(e){this._hidePBR=e}},{key:"hideSAO",get:function(){return this._hideSAO},set:function(e){this._hideSAO=e}},{key:"hideEdges",get:function(){return this._hideEdges},set:function(e){this._hideEdges=e}},{key:"hideTransparentObjects",get:function(){return this._hideTransparentObjects},set:function(e){this._hideTransparentObjects=!1!==e}},{key:"scaleCanvasResolution",get:function(){return this._scaleCanvasResolution},set:function(e){this._scaleCanvasResolution=e}},{key:"defaultScaleCanvasResolutionFactor",get:function(){return this._defaultScaleCanvasResolutionFactor},set:function(e){this._defaultScaleCanvasResolutionFactor=e||1}},{key:"scaleCanvasResolutionFactor",get:function(){return this._scaleCanvasResolutionFactor},set:function(e){this._scaleCanvasResolutionFactor=e||.6}},{key:"delayBeforeRestore",get:function(){return this._delayBeforeRestore},set:function(e){this._delayBeforeRestore=e}},{key:"delayBeforeRestoreSeconds",get:function(){return this._delayBeforeRestoreSeconds},set:function(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),hd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getMetaModel",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLTF",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLB",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getArrayBuffer",value:function(e,t,i,r){!function(e,t,i,r){var s=function(){};i=i||s,r=r||s;var n=/^data:(.*?)(;base64)?,(.*)$/,o=t.match(n);if(o){var a=!!o[2],l=o[3];l=window.decodeURIComponent(l),a&&(l=window.atob(l));try{for(var u=new ArrayBuffer(l.length),c=new Uint8Array(u),A=0;A<l.length;A++)c[A]=l.charCodeAt(A);we.scheduleTask((function(){i(u)}))}catch(e){we.scheduleTask((function(){r(e)}))}}else{var h=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),d=h+t,p=new XMLHttpRequest;p.open("GET",d,!0),p.responseType="arraybuffer",p.onreadystatechange=function(){4===p.readyState&&(200===p.status?i(p.response):r("loadArrayBuffer error : "+p.response))},p.send(null)}}(this._cacheBusterURL(e),t,(function(e){i(e)}),(function(e){r(e)}))}}]),e}();var dd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=t.messages,this.locale=t.locale}return C(e,[{key:"messages",set:function(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}},{key:"loadMessages",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};for(var t in e)this._messages[t]=e[t];this.messages=this._messages}},{key:"clearMessages",value:function(){this.messages={}}},{key:"locales",get:function(){return this._locales}},{key:"locale",get:function(){return this._locale},set:function(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}},{key:"translate",value:function(e,t){var i=this._messages[this._locale];if(!i)return null;var r=pd(e,i);return r?t?fd(r,t):r:null}},{key:"translatePlurals",value:function(e,t,i){var r=this._messages[this._locale];if(!r)return null;var s=pd(e,r);return(s=0===(t=parseInt(""+t,10))?s.zero:t>1?s.other:s.one)?(s=fd(s,[t]),i&&(s=fd(s,i)),s):null}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);var r=this._eventSubs[e];if(r)for(var s in r){if(r.hasOwnProperty(s))r[s].callback(t)}}},{key:"on",value:function(e,t){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new G),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});var i=this._eventSubs[e];i||(i={},this._eventSubs[e]=i);var r=this._eventSubIDMap.addItem();i[r]={callback:t},this._eventSubEvents[r]=e;var s=this._events[e];return void 0!==s&&t(s),r}},{key:"off",value:function(e){if(null!=e&&this._eventSubEvents){var t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];var i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}}]),e}();function pd(e,t){if(t[e])return t[e];for(var i=e.split("."),r=t,s=0,n=i.length;r&&s<n;s++){r=r[i[s]]}return r}function fd(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}var vd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).t=s.t,r}return C(i,[{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"tangent",get:function(){return this.getTangent(this._t)}},{key:"length",get:function(){var e=this._getLengths();return e[e.length-1]}},{key:"getTangent",value:function(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,r=e+t;i<0&&(i=0),r>1&&(r=1);var s=this.getPoint(i),n=this.getPoint(r),o=re.subVec3(n,s,[]);return re.normalizeVec3(o,[])}},{key:"getPointAt",value:function(e){var t=this.getUToTMapping(e);return this.getPoint(t)}},{key:"getPoints",value:function(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}},{key:"_getLengths",value:function(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,r=[],s=this.getPoint(0),n=0;for(r.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),n+=re.lenVec3(re.subVec3(t,s,[])),r.push(n),s=t;return this.cacheArcLengths=r,r}},{key:"_updateArcLengths",value:function(){this.needsUpdate=!0,this._getLengths()}},{key:"getUToTMapping",value:function(e,t){var i,r=this._getLengths(),s=0,n=r.length;i=t||e*r[n-1];for(var o,a=0,l=n-1;a<=l;)if((o=r[s=Math.floor(a+(l-a)/2)]-i)<0)a=s+1;else{if(!(o>0)){l=s;break}l=s-1}if(r[s=l]===i)return s/(n-1);var u=r[s];return(s+(i-u)/(r[s+1]-u))/(n-1)}}]),i}(),gd=function(e){g(i,vd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).points=s.points,r.t=s.t,r}return C(i,[{key:"points",get:function(){return this._points},set:function(e){this._points=e||[]}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,r=Math.floor(i),s=i-r,n=t[0===r?r:r-1],o=t[r],a=t[r>t.length-2?t.length-1:r+1],l=t[r>t.length-3?t.length-1:r+2],u=re.vec3();return u[0]=re.catmullRomInterpolate(n[0],o[0],a[0],l[0],s),u[1]=re.catmullRomInterpolate(n[1],o[1],a[1],l[1],s),u[2]=re.catmullRomInterpolate(n[2],o[2],a[2],l[2],s),u}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}},{key:"getJSON",value:function(){return{points:points,t:this._t}}}]),i}(),md=re.vec3(),_d=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._frames=[],r._eyeCurve=new gd(b(r)),r._lookCurve=new gd(b(r)),r._upCurve=new gd(b(r)),s.frames&&(r.addFrames(s.frames),r.smoothFrameTimes(1)),r}return C(i,[{key:"type",get:function(){return"CameraPath"}},{key:"frames",get:function(){return this._frames}},{key:"eyeCurve",get:function(){return this._eyeCurve}},{key:"lookCurve",get:function(){return this._lookCurve}},{key:"upCurve",get:function(){return this._upCurve}},{key:"saveFrame",value:function(e){var t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}},{key:"addFrame",value:function(e,t,i,r){var s={t:e,eye:t.slice(0),look:i.slice(0),up:r.slice(0)};this._frames.push(s),this._eyeCurve.points.push(s.eye),this._lookCurve.points.push(s.look),this._upCurve.points.push(s.up)}},{key:"addFrames",value:function(e){for(var t,i=0,r=e.length;i<r;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}},{key:"loadFrame",value:function(e){var t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,md),t.look=this._lookCurve.getPoint(e,md),t.up=this._upCurve.getPoint(e,md)}},{key:"sampleFrame",value:function(e,t,i,r){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,r)}},{key:"smoothFrameTimes",value:function(e){if(0!==this._frames.length){var t=re.vec3(),i=0;this._frames[0].t=0;for(var r=[],s=1,n=this._frames.length;s<n;s++){var o=re.lenVec3(re.subVec3(this._frames[s].eye,this._frames[s-1].eye,t));r[s]=o,i+=o}for(var a=1,l=this._frames.length;a<l;a++){var u=r[a]/i*e;this._frames[a].t=this._frames[a-1].t+u}}}},{key:"clearFrames",value:function(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}]),i}(),yd=re.vec3(),bd=re.vec3(),xd=re.vec3(),wd=re.vec3(),Bd=re.vec3(),Pd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._look1=re.vec3(),r._eye1=re.vec3(),r._up1=re.vec3(),r._look2=re.vec3(),r._eye2=re.vec3(),r._up2=re.vec3(),r._orthoScale1=1,r._orthoScale2=1,r._flying=!1,r._flyEyeLookUp=!1,r._flyingEye=!1,r._flyingLook=!1,r._callback=null,r._callbackScope=null,r._time1=null,r._time2=null,r.easing=!1!==s.easing,r.duration=s.duration,r.fit=s.fit,r.fitFOV=s.fitFOV,r.trail=s.trail,r}return C(i,[{key:"type",get:function(){return"CameraFlightAnimation"}},{key:"flyTo",value:function(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;var r,s,n,o,a,l=this.scene.camera,u=!!e.projection&&e.projection!==l.projection;if(this._eye1[0]=l.eye[0],this._eye1[1]=l.eye[1],this._eye1[2]=l.eye[2],this._look1[0]=l.look[0],this._look1[1]=l.look[1],this._look1[2]=l.look[2],this._up1[0]=l.up[0],this._up1[1]=l.up[1],this._up1[2]=l.up[2],this._orthoScale1=l.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)r=e.aabb;else if(6===e.length)r=e;else if(e.eye&&e.look||e.up)s=e.eye,n=e.look,o=e.up;else if(e.eye)s=e.eye;else if(e.look)n=e.look;else{var c=e;if((he.isNumeric(c)||he.isString(c))&&(a=c,!(c=this.scene.components[a])))return this.error("Component not found: "+he.inQuotes(a)),void(t&&(i?t.call(i):t()));u||(r=c.aabb||this.scene.aabb)}var A=e.poi;if(r){if(r[3]<r[0]||r[4]<r[1]||r[5]<r[2])return;if(r[3]===r[0]&&r[4]===r[1]&&r[5]===r[2])return;r=r.slice();var h=re.getAABB3Center(r);this._look2=A||h;var d=re.subVec3(this._eye1,this._look1,yd),p=re.normalizeVec3(d),f=A?re.getAABB3DiagPoint(r,A):re.getAABB3Diag(r),v=e.fitFOV||this._fitFOV,g=Math.abs(f/Math.tan(v*re.DEGTORAD));this._orthoScale2=1.1*f,this._eye2[0]=this._look2[0]+p[0]*g,this._eye2[1]=this._look2[1]+p[1]*g,this._eye2[2]=this._look2[2]+p[2]*g,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(s||n||o)&&(this._flyingEyeLookUp=!!s&&!!n&&!!o,this._flyingEye=!!s&&!n,this._flyingLook=!!n&&!s,s&&(this._eye2[0]=s[0],this._eye2[1]=s[1],this._eye2[2]=s[2]),n&&(this._look2[0]=n[0],this._look2[1]=n[1],this._look2[2]=n[2]),o&&(this._up2[0]=o[0],this._up2[1]=o[1],this._up2[2]=o[2]));u?("ortho"===e.projection&&"ortho"!==l.projection&&(this._projection2="ortho",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.ortho.matrix.slice(),l.projection="customProjection"),"perspective"===e.projection&&"perspective"!==l.projection&&(this._projection2="perspective",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.perspective.matrix.slice(),l.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,we.scheduleTask(this._update,this)}},{key:"jumpTo",value:function(e){this._jumpTo(e)}},{key:"_jumpTo",value:function(e){this._flying&&this.stop();var t,i,r,s,n,o=this.scene.camera;if(e.aabb)t=e.aabb;else if(6===e.length)t=e;else if(e.eye||e.look||e.up)r=e.eye,s=e.look,n=e.up;else{var a=e;if((he.isNumeric(a)||he.isString(a))&&(i=a,!(a=this.scene.components[i])))return void this.error("Component not found: "+he.inQuotes(i));t=a.aabb||this.scene.aabb}var l=e.poi;if(t){if(t[3]<=t[0]||t[4]<=t[1]||t[5]<=t[2])return;var u,c=l?re.getAABB3DiagPoint(t,l):re.getAABB3Diag(t);s=l||re.getAABB3Center(t,s),this._trail?re.subVec3(o.look,s,Bd):re.subVec3(o.eye,o.look,Bd),re.normalizeVec3(Bd),u=(void 0!==e.fit?e.fit:this._fit)?Math.abs(c/Math.tan((e.fitFOV||this._fitFOV)*re.DEGTORAD)):re.lenVec3(re.subVec3(o.eye,o.look,yd)),re.mulVec3Scalar(Bd,u),o.eye=re.addVec3(s,Bd,yd),o.look=s,this.scene.camera.ortho.scale=1.1*c}else(r||s||n)&&(r&&(o.eye=r),s&&(o.look=s),n&&(o.up=n));e.projection&&(o.projection=e.projection)}},{key:"_update",value:function(){if(this._flying){var e=(Date.now()-this._time1)/(this._time2-this._time1),t=e>=1;e>1&&(e=1);var r=this.easing?i._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(re.subVec3(s.eye,s.look,Bd),s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,xd),s.look=re.subVec3(xd,Bd,bd)):this._flyingLook&&(s.look=re.lerpVec3(r,0,1,this._look1,this._look2,bd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,wd)):this._flyingEyeLookUp&&(s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,xd),s.look=re.lerpVec3(r,0,1,this._look1,this._look2,bd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,wd)),this._projection2){var n="ortho"===this._projection2?i._easeOutExpo(e,0,1,1):i._easeInCubic(e,0,1,1);s.customProjection.matrix=re.lerpMat4(n,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();we.scheduleTask(this._update,this)}}},{key:"stop",value:function(){if(this._flying){this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);var e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}}},{key:"cancel",value:function(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}},{key:"duration",get:function(){return this._duration/1e3},set:function(e){this._duration=e?1e3*e:500,this.stop()}},{key:"fit",get:function(){return this._fit},set:function(e){this._fit=!1!==e}},{key:"fitFOV",get:function(){return this._fitFOV},set:function(e){this._fitFOV=e||45}},{key:"trail",get:function(){return this._trail},set:function(e){this._trail=!!e}},{key:"destroy",value:function(){this.stop(),f(x(i.prototype),"destroy",this).call(this)}}],[{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"_easeInCubic",value:function(e,t,i,r){return i*(e/=r)*e*e+t}},{key:"_easeOutExpo",value:function(e,t,i,r){return i*(1-Math.pow(2,-10*e/r))+t}}]),i}(),Cd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._cameraFlightAnimation=new Pd(b(r)),r._t=0,r.state=i.SCRUBBING,r._playingFromT=0,r._playingToT=0,r._playingRate=s.playingRate||1,r._playingDir=1,r._lastTime=null,r.cameraPath=s.cameraPath,r._tick=r.scene.on("tick",r._updateT,b(r)),r}return C(i,[{key:"type",get:function(){return"CameraPathAnimation"}},{key:"_updateT",value:function(){var e=this._cameraPath;if(e){var t,r,s=performance.now(),n=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==n)switch(this.state){case i.SCRUBBING:return;case i.PLAYING:if(this._t+=this._playingRate*n,0===(t=this._cameraPath.frames.length)||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=i.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case i.PLAYING_TO:r=this._t+this._playingRate*n*this._playingDir,(this._playingDir<0&&r<=this._playingToT||this._playingDir>0&&r>=this._playingToT)&&(r=this._playingToT,this.state=i.SCRUBBING,this.fire("stopped")),this._t=r,e.loadFrame(this._t)}}}},{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"cameraPath",get:function(){return this._cameraPath},set:function(e){this._cameraPath=e}},{key:"rate",get:function(){return this._playingRate},set:function(e){this._playingRate=e}},{key:"play",value:function(){this._cameraPath&&(this._lastTime=null,this.state=i.PLAYING)}},{key:"playToT",value:function(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=i.PLAYING_TO)}},{key:"playToFrame",value:function(e){var t=this._cameraPath;if(t){var i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}}},{key:"flyToFrame",value:function(e,t){var r=this._cameraPath;if(r){var s=r.frames[e];s?(this.state=i.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}}},{key:"scrubToT",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=i.SCRUBBING))}},{key:"scrubToFrame",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(t.frames[e]?(t.loadFrame(this._t),this.state=i.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)))}},{key:"stop",value:function(){this.state=i.SCRUBBING,this.fire("stopped")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene.off(this._tick)}}]),i}();Cd.STOPPED=0,Cd.SCRUBBING=1,Cd.PLAYING=2,Cd.PLAYING_TO=3;var Md=re.vec3(),Ed=re.vec3();re.vec3();var Fd=re.vec3([0,-1,0]),kd=re.vec4([0,0,0,1]),Id=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new qn(b(r)),r._plane=new _n(b(r),{geometry:new Xi(b(r),uo({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new $i(b(r),{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:r._texture,emissiveMap:r._texture,backfaces:!0}),clippable:s.clippable}),r._grid=new _n(b(r),{geometry:new Xi(b(r),lo({size:1,divisions:10})),material:new $i(b(r),{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:s.clippable}),r._node=new Rn(b(r),{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[r._plane,r._grid]}),r._gridVisible=!1,r.visible=!0,r.gridVisible=s.gridVisible,r.position=s.position,r.rotation=s.rotation,r.dir=s.dir,r.size=s.size,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"visible",get:function(){return this._plane.visible},set:function(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}},{key:"gridVisible",get:function(){return this._gridVisible},set:function(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"position",get:function(){return this._pos},set:function(e){this._pos.set(e||[0,0,0]),je(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}},{key:"rotation",get:function(){return this._node.rotation},set:function(e){this._node.rotation=e}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"dir",get:function(){return this._dir},set:function(e){if(this._dir.set(e||[0,0,-1]),e){var t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];re.subVec3(t,this.position,Md);var r=-re.dotVec3(i,Md);re.normalizeVec3(i),re.mulVec3Scalar(i,r,Ed),re.vec3PairToQuaternion(Fd,e,kd),this._node.quaternion=kd}}},{key:"collidable",get:function(){return this._node.collidable},set:function(e){this._node.collidable=!1!==e}},{key:"clippable",get:function(){return this._node.clippable},set:function(e){this._node.clippable=!1!==e}},{key:"pickable",get:function(){return this._node.pickable},set:function(e){this._node.pickable=!1!==e}},{key:"opacity",get:function(){return this._node.opacity},set:function(e){this._node.opacity=e}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}},{key:"_updatePlaneSizeFromImage",value:function(){var e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){var r=i/t;this._node.scale=[e,1,e*r]}else{var s=t/i;this._node.scale=[e*s,1,e]}}}]),i}(),Dd=function(e){g(i,Ti);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=b(r=t.call(this,e,s));r._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var o=r.scene.camera,a=r.scene.canvas;return r._onCameraViewMatrix=o.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=o.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=a.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new hi({type:"point",pos:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(n._shadowViewMatrixDirty){n._shadowViewMatrix||(n._shadowViewMatrix=re.identityMat4());var e=n._state.pos,t=o.look,i=o.up;re.lookAtMat4v(e,t,i,n._shadowViewMatrix),n._shadowViewMatrixDirty=!1}return n._shadowViewMatrix},getShadowProjMatrix:function(){if(n._shadowProjMatrixDirty){n._shadowProjMatrix||(n._shadowProjMatrix=re.identityMat4());var e=n.scene.canvas.canvas;re.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,n._shadowProjMatrix),n._shadowProjMatrixDirty=!1}return n._shadowProjMatrix},getShadowRenderBuf:function(){return n._shadowRenderBuf||(n._shadowRenderBuf=new oi(n.scene.canvas.canvas,n.scene.canvas.gl,{size:[1024,1024]})),n._shadowRenderBuf}}),r.pos=s.pos,r.color=s.color,r.intensity=s.intensity,r.constantAttenuation=s.constantAttenuation,r.linearAttenuation=s.linearAttenuation,r.quadraticAttenuation=s.quadraticAttenuation,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"PointLight"}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"constantAttenuation",get:function(){return this._state.attenuation[0]},set:function(e){this._state.attenuation[0]=e||0,this.glRedraw()}},{key:"linearAttenuation",get:function(){return this._state.attenuation[1]},set:function(e){this._state.attenuation[1]=e||0,this.glRedraw()}},{key:"quadraticAttenuation",get:function(){return this._state.attenuation[2]},set:function(e){this._state.attenuation[2]=e||0,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}();function Sd(e){return 0==(e&e-1)}function Td(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var Ld=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=(r=t.call(this,e,s)).scene.canvas.gl;return r._state=new hi({texture:new Wn({gl:n,target:n.TEXTURE_CUBE_MAP}),flipY:r._checkFlipY(s.minFilter),encoding:r._checkEncoding(s.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),r._src=s.src,r._images=[],r._loadSrc(s.src),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"CubeTexture"}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}},{key:"_loadSrc",value:function(e){var t=this,i=this.scene.canvas.gl;this._images=[];for(var r=!1,s=0,n=function(n){var o,a,l=new Image;l.onload=(o=l,a=n,function(){if(!r&&(o=function(e){if(!Sd(e.width)||!Sd(e.height)){var t=document.createElement("canvas");t.width=Td(e.width),t.height=Td(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}(o),t._images[a]=o,6==++s)){var e=t._state.texture;e||(e=new Wn({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}),l.onerror=function(){r=!0},l.src=e[n]},o=0;o<e.length;o++)n(o)}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),ae.memory.textures--,this._state.destroy()}}]),i}(),Rd=function(e){g(i,Ld);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).scene._lightsState.addReflectionMap(r._state),r.scene._reflectionMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"ReflectionMap"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._reflectionMapDestroyed(this)}}]),i}(),Ud=function(e){g(i,Ld);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).scene._lightMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"LightMap"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lightMapDestroyed(this)}}]),i}(),Od=function(e){g(i,at);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,{entity:s.entity,occludable:s.occludable,worldPos:s.worldPos}))._occluded=!1,r._visible=!0,r._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new qn(b(r),{src:s.src}),r._geometry=new Xi(b(r),{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),r._mesh=new _n(b(r),{geometry:r._geometry,material:new $i(b(r),{ambient:[.9,.3,.9],shininess:30,diffuseMap:r._texture,backfaces:!0}),scale:[1,1,1],position:s.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),r.visible=!0,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,r.size=s.size,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"_setVisible",value:function(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,f(x(i.prototype),"_setVisible",this).call(this,e)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"collidable",get:function(){return this._mesh.collidable},set:function(e){this._mesh.collidable=!1!==e}},{key:"clippable",get:function(){return this._mesh.clippable},set:function(e){this._mesh.clippable=!1!==e}},{key:"pickable",get:function(){return this._mesh.pickable},set:function(e){this._mesh.pickable=!1!==e}},{key:"opacity",get:function(){return this._mesh.opacity},set:function(e){this._mesh.opacity=e}},{key:"_updatePlaneSizeFromImage",value:function(){var e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],r=i/t;this._geometry.positions=t>i?[e,e*r,0,-e,e*r,0,-e,-e*r,0,e,-e*r,0]:[e/r,e,0,-e/r,e,0,-e/r,-e,0,e/r,-e,0]}}]),i}(),Nd=function(){function e(t){B(this,e),this._eye=re.vec3(),this._look=re.vec3(),this._up=re.vec3(),this._projection={},t&&this.saveCamera(t)}return C(e,[{key:"saveCamera",value:function(e){var t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}},{key:"restoreCamera",value:function(e,t){var i=e.camera,r=this._projection;function s(){switch(r.type){case"perspective":i.perspective.fov=r.fov,i.perspective.fovAxis=r.fovAxis,i.perspective.near=r.near,i.perspective.far=r.far;break;case"ortho":i.ortho.scale=r.scale,i.ortho.near=r.near,i.ortho.far=r.far;break;case"frustum":i.frustum.left=r.left,i.frustum.right=r.right,i.frustum.top=r.top,i.frustum.bottom=r.bottom,i.frustum.near=r.near,i.frustum.far=r.far;break;case"custom":i.customProjection.matrix=r.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:r.scale,projection:r.projection},(function(){s(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,s(),i.projection=r.projection)}}]),e}(),Qd=re.vec3(),Vd=function(){function e(t){if(B(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,t){var i=t.metaScene.scene;this.saveObjects(i,t)}}return C(e,[{key:"saveObjects",value:function(e,t,i){this.numObjects=0,this._mask=i?he.apply(i,{}):null;for(var r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,c=!i||i.colorize,A=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];if(v){if(r&&(this.objectsVisible[p]=v.visible),s&&(this.objectsEdges[p]=v.edges),n&&(this.objectsXrayed[p]=v.xrayed),o&&(this.objectsHighlighted[p]=v.highlighted),a&&(this.objectsSelected[p]=v.selected),l&&(this.objectsClippable[p]=v.clippable),u&&(this.objectsPickable[p]=v.pickable),c){var g=v.colorize;this.objectsColorize[3*p+0]=g[0],this.objectsColorize[3*p+1]=g[1],this.objectsColorize[3*p+2]=g[2]}A&&(this.objectsOpacity[p]=v.opacity),this.numObjects++}}}},{key:"restoreObjects",value:function(e,t){for(var i=this._mask,r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,c=!i||i.colorize,A=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];v&&(r&&(v.visible=this.objectsVisible[p]),s&&(v.edges=this.objectsEdges[p]),n&&(v.xrayed=this.objectsXrayed[p]),o&&(v.highlighted=this.objectsHighlighted[p]),a&&(v.selected=this.objectsSelected[p]),l&&(v.clippable=this.objectsClippable[p]),u&&(v.pickable=this.objectsPickable[p]),c&&(Qd[0]=this.objectsColorize[3*p+0],Qd[1]=this.objectsColorize[3*p+1],Qd[2]=this.objectsColorize[3*p+2],v.colorize=Qd),A&&(v.opacity=this.objectsOpacity[p]))}}}]),e}(),Hd=re.vec3(),jd=function(){function e(){B(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}return C(e,[{key:"saveObjects",value:function(e,t){this.numObjects=0,this._mask=t?he.apply(t,{}):null;var i=e.objects,r=!t||t.visible,s=!t||t.edges,n=!t||t.xrayed,o=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,u=!t||t.pickable,c=!t||t.colorize,A=!t||t.opacity;for(var h in i)if(i.hasOwnProperty(h)){var d=i[h],p=this.numObjects;if(r&&(this.objectsVisible[p]=d.visible),s&&(this.objectsEdges[p]=d.edges),n&&(this.objectsXrayed[p]=d.xrayed),o&&(this.objectsHighlighted[p]=d.highlighted),a&&(this.objectsSelected[p]=d.selected),l&&(this.objectsClippable[p]=d.clippable),u&&(this.objectsPickable[p]=d.pickable),c){var f=d.colorize;f?(this.objectsColorize[3*p+0]=f[0],this.objectsColorize[3*p+1]=f[1],this.objectsColorize[3*p+2]=f[2],this.objectsHasColorize[p]=!0):this.objectsHasColorize[p]=!1}A&&(this.objectsOpacity[p]=d.opacity),this.numObjects++}}},{key:"restoreObjects",value:function(e){var t=this._mask,i=!t||t.visible,r=!t||t.edges,s=!t||t.xrayed,n=!t||t.highlighted,o=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,u=!t||t.colorize,c=!t||t.opacity,A=0,h=e.objects;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];i&&(p.visible=this.objectsVisible[A]),r&&(p.edges=this.objectsEdges[A]),s&&(p.xrayed=this.objectsXrayed[A]),n&&(p.highlighted=this.objectsHighlighted[A]),o&&(p.selected=this.objectsSelected[A]),a&&(p.clippable=this.objectsClippable[A]),l&&(p.pickable=this.objectsPickable[A]),u&&(this.objectsHasColorize[A]?(Hd[0]=this.objectsColorize[3*A+0],Hd[1]=this.objectsColorize[3*A+1],Hd[2]=this.objectsColorize[3*A+2],p.colorize=Hd):p.colorize=null),c&&(p.opacity=this.objectsOpacity[A]),A++}}}]),e}(),Gd=function(e){g(i,vd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.v3=s.v3,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"v3",get:function(){return this._v3},set:function(e){this.fire("v3",this._v3=e||re.vec3([0,0,0]))}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=re.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=re.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}]),i}(),zd=function(e){g(i,vd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._cachedLengths=[],r._dirty=!0,r._curves=[],r._t=0,r._dirtySubs=[],r._destroyedSubs=[],r.curves=s.curves||[],r.t=s.t,r}return C(i,[{key:"addCurve",value:function(e){this._curves.push(e),this._dirty=!0}},{key:"curves",get:function(){return this._curves},set:function(e){var t,i,r;for(e=e||[],i=0,r=this._curves.length;i<r;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var s=this;function n(){s._dirty=!0}function o(){var e=this.id;for(i=0,r=s._curves.length;i<r;i++)if(s._curves[i].id===e)return s._curves=s._curves.slice(i,i+1),s._dirtySubs=s._dirtySubs.slice(i,i+1),s._destroyedSubs=s._destroyedSubs.slice(i,i+1),void(s._dirty=!0)}for(i=0,r=e.length;i<r;i++){if(t=e[i],he.isNumeric(t)||he.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",n)),this._destroyedSubs.push(t.once("destroyed",o))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"length",get:function(){var e=this._getCurveLengths();return e[e.length-1]}},{key:"getPoint",value:function(e){for(var t,i=e*this.length,r=this._getCurveLengths(),s=0;s<r.length;){if(r[s]>=i){var n=1-(r[s]-i)/(t=this._curves[s]).length;return t.getPointAt(n)}s++}return null}},{key:"_getCurveLengths",value:function(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,r=this._curves.length;for(e=0;e<r;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}},{key:"_getJSON",value:function(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}},{key:"destroy",value:function(){var e,t,r;for(f(x(i.prototype),"destroy",this).call(this),e=0,t=this._curves.length;e<t;e++)(r=this._curves[e]).off(this._dirtySubs[e]),r.off(this._destroyedSubs[e])}}]),i}(),Wd=function(e){g(i,vd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=re.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=re.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}]),i}(),Kd=function(e){g(i,Vh);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r)}return C(i)}(),Xd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._skyboxMesh=new _n(b(r),{geometry:new Xi(b(r),{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new $i(b(r),{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new qn(b(r),{src:s.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:s.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),r.size=s.size,r.active=s.active,r}return C(i,[{key:"size",get:function(){return this._size},set:function(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}},{key:"active",get:function(){return this._skyboxMesh.visible},set:function(e){this._skyboxMesh.visible=e}}]),i}(),Jd=function(){function e(){B(this,e)}return C(e,[{key:"transcode",value:function(e,t){}},{key:"destroy",value:function(){}}]),e}(),Yd=re.vec4(),Zd=re.vec4(),qd=re.vec3(),$d=re.vec3(),ep=re.vec3(),tp=re.vec4(),ip=re.vec4(),rp=re.vec4(),sp=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"dollyToCanvasPos",value:function(e,t,i){var r=!1,s=this._scene.camera;if(e){var n=re.subVec3(e,s.eye,qd);r=re.lenVec3(n)<i}if("perspective"===s.projection){s.ortho.scale=s.ortho.scale-i;var o=this._unproject(t,tp),a=re.subVec3(o,s.eye,rp),l=re.mulVec3Scalar(re.normalizeVec3(a),-i,[]);if(s.eye=[s.eye[0]-l[0],s.eye[1]-l[1],s.eye[2]-l[2]],s.look=[s.look[0]-l[0],s.look[1]-l[1],s.look[2]-l[2]],e){var u=re.subVec3(e,s.eye,qd),c=re.lenVec3(u),A=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,$d)),c);s.look=[s.eye[0]+A[0],s.eye[1]+A[1],s.eye[2]+A[2]]}}else if("ortho"===s.projection){var h=this._unproject(t,tp);s.ortho.scale=s.ortho.scale-i,s.ortho._update();var d=this._unproject(t,ip),p=re.subVec3(d,h,rp),f=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,qd)),-i,$d),v=re.addVec3(p,f,ep);s.eye=[s.eye[0]-v[0],s.eye[1]-v[1],s.eye[2]-v[2]],s.look=[s.look[0]-v[0],s.look[1]-v[1],s.look[2]-v[2]]}return r}},{key:"_unproject",value:function(e,t){var i=this._scene.camera,r=i.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n);return i.project.unproject(e,a,Yd,Zd,t),t}},{key:"destroy",value:function(){}}]),e}(),np=re.vec3(),op=re.vec3(),ap=re.vec3(),lp=re.vec4(),up=re.vec4(),cp=re.vec4(),Ap=function(){function e(t,i){var r=this;B(this,e),this._scene=t,this._configs=i,this._pivotWorldPos=re.vec3(),this._cameraOffset=re.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=re.vec3(),this._rtcPos=re.vec3(),this._pivotViewPos=re.vec4(),this._pivotProjPos=re.vec4(),this._pivotCanvasPos=re.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(function(){r._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(function(){r._cameraDirty=!0})),this._onTick=this._scene.on("tick",(function(){r.updatePivotElement(),r.updatePivotSphere()}))}return C(e,[{key:"createPivotSphere",value:function(){var e=this.getPivotPos(),t=re.vec3();re.decomposeMat4(re.inverseMat4(this._scene.viewer.camera.viewMatrix,re.mat4()),t,re.vec4(),re.vec3());var i=re.distVec3(t,e),r=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(r/=this._scene.camera.ortho.scale/2),je(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new io(this._scene,xn({radius:r})),this._pivotSphere=new _n(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}},{key:"destroyPivotSphere",value:function(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}},{key:"updatePivotElement",value:function(){var e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){re.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,re.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);var i=t.boundary,r=i[2],s=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*r/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*s/2);var n=t._lastBoundingClientRect;if(!n||t._canvasSizeChanged){var o=t.canvas;n=t._lastBoundingClientRect=o.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(n.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(n.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}},{key:"updatePivotSphere",value:function(){this._pivoting&&this._pivotSphere&&(je(this.getPivotPos(),this._rtcCenter,this._rtcPos),re.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}},{key:"setPivotElement",value:function(e){this._pivotElement=e}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);var t=e.color||[1,0,0];this._pivotSphereMaterial=new $i(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}},{key:"disablePivotSphere",value:function(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}},{key:"startPivot",value:function(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;var e=this._scene.camera,t=re.lookAtMat4v(e.eye,e.look,e.worldUp);re.transformPoint3(t,this.getPivotPos(),this._cameraOffset);var i=this.getPivotPos();this._cameraOffset[2]+=re.distVec3(e.eye,i),t=re.inverseMat4(t);var r=re.transformVec3(t,this._cameraOffset),s=re.vec3();if(re.subVec3(e.eye,i,s),re.addVec3(s,r),e.zUp){var n=s[1];s[1]=s[2],s[2]=n}this._radius=re.lenVec3(s),this._polar=Math.acos(s[1]/this._radius),this._azimuth=Math.atan2(s[0],s[2]),this._pivoting=!0}},{key:"_cameraLookingDownwards",value:function(){var e=this._scene.camera,t=re.normalizeVec3(re.subVec3(e.look,e.eye,np)),i=re.cross3Vec3(t,e.worldUp,op);return re.sqLenVec3(i)<=1e-4}},{key:"getPivoting",value:function(){return this._pivoting}},{key:"setPivotPos",value:function(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}},{key:"setCanvasPivotPos",value:function(e){var t=this._scene.camera,i=Math.abs(re.distVec3(this._scene.center,t.eye)),r=t.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n),l=lp;t.project.unproject(e,a,up,cp,l);var u=re.normalizeVec3(re.subVec3(l,t.eye,np)),c=re.addVec3(t.eye,re.mulVec3Scalar(u,i,op),ap);this.setPivotPos(c)}},{key:"getPivotPos",value:function(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}},{key:"continuePivot",value:function(e,t){if(this._pivoting&&(0!==e||0!==t)){var i=this._scene.camera,r=-e,s=-t;1===i.worldUp[2]&&(r=-r),this._azimuth+=.01*-r,this._polar+=.01*s,this._polar=re.clamp(this._polar,.001,Math.PI-.001);var n=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){var o=n[1];n[1]=n[2],n[2]=o}var a=re.lenVec3(re.subVec3(i.look,i.eye,re.vec3())),l=this.getPivotPos();re.addVec3(n,l);var u=re.lookAtMat4v(n,l,i.worldUp);u=re.inverseMat4(u);var c=re.transformVec3(u,this._cameraOffset);u[12]-=c[0],u[13]-=c[1],u[14]-=c[2];var A=[u[8],u[9],u[10]];i.eye=[u[12],u[13],u[14]],re.subVec3(i.eye,re.mulVec3Scalar(A,a),i.look),i.up=[u[4],u[5],u[6]],this.showPivot()}}},{key:"showPivot",value:function(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}},{key:"hidePivot",value:function(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}},{key:"endPivot",value:function(){this._pivoting=!1}},{key:"destroy",value:function(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}]),e}(),hp=function(){function e(t,i){B(this,e),this._scene=t.scene,this._cameraControl=t,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=i,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=re.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}return C(e,[{key:"update",value:function(){if(this._configs.pointerEnabled&&(this.schedulePickEntity||this.schedulePickSurface)){var e="".concat(~~this.pickCursorPos[0],"-").concat(~~this.pickCursorPos[1],"-").concat(this.scheduleSnapOrPick,"-").concat(this.schedulePickSurface,"-").concat(this.schedulePickEntity);if(this._lastHash!==e){this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;var t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){var i=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});i&&(i.snappedToEdge||i.snappedToVertex)?(this.snapPickResult=i,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){var r=this.pickResult.canvasPos;if(r[0]===this.pickCursorPos[0]&&r[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){var s=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(s[0]===this.pickCursorPos[0]&&s[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}}}},{key:"fireEvents",value:function(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){var e=new Ot;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){var t=this.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=t)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}]),e}(),dp=re.vec2(),pp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o,a,l,u=i.pickController,c=i.cameraControl,A=0,h=0,d=0,p=0,f=!1,v=re.vec3(),g=!0,m=this._scene.canvas.canvas,_=[];function y(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];b(),e&&x()}function b(){A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],d=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1]}function x(){u.pickCursorPos=s.pointerCanvasPos,u.schedulePickSurface=!0,u.update(),u.picked&&u.pickedSurface&&u.pickResult&&u.pickResult.worldPos?(f=!0,v.set(u.pickResult.worldPos)):f=!1}document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;_[i]=!0}}),document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;_[i]=!1}}),m.addEventListener("mousedown",this._mouseDownHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:_[t.input.KEY_SHIFT]||r.planView?(o=!0,_[t.input.MOUSE_LEFT_BUTTON]=!0,y()):(o=!0,_[t.input.MOUSE_LEFT_BUTTON]=!0,y(!1));break;case 2:a=!0,_[t.input.MOUSE_MIDDLE_BUTTON]=!0,y();break;case 3:l=!0,_[t.input.MOUSE_RIGHT_BUTTON]=!0,r.panRightClick&&y()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(o||a||l)){var i=t.canvas.boundary,u=i[2],d=i[3],p=s.pointerCanvasPos[0],g=s.pointerCanvasPos[1],m=c._isKeyDownForAction(c.MOUSE_PAN,_),y=c._isKeyDownForAction(c.MOUSE_ROTATE,_),b=document.pointerLockElement?e.movementX:p-A,x=document.pointerLockElement?e.movementY:g-h;if(m){var w=t.camera;if("perspective"===w.projection){var B=Math.abs(f?re.lenVec3(re.subVec3(v,t.camera.eye,[])):t.camera.eyeLookDist)*Math.tan(w.perspective.fov/2*Math.PI/180);n.panDeltaX+=1.5*b*B/d,n.panDeltaY+=1.5*x*B/d}else n.panDeltaX+=.5*w.ortho.scale*(b/d),n.panDeltaY+=.5*w.ortho.scale*(x/d)}else y&&(r.planView||(r.firstPerson?(n.rotateDeltaY-=b/u*r.dragRotationRate/2,n.rotateDeltaX+=x/d*(r.dragRotationRate/4)):(n.rotateDeltaY-=b/u*(1.5*r.dragRotationRate),n.rotateDeltaX+=x/d*(1.5*r.dragRotationRate))));A=p,h=g}}),m.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){r.active&&r.pointerEnabled&&s.mouseover&&(g=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:case 2:case 3:o=!1,a=!1,l=!1,_[t.input.MOUSE_LEFT_BUTTON]=!1,_[t.input.MOUSE_MIDDLE_BUTTON]=!1,_[t.input.MOUSE_RIGHT_BUTTON]=!1}}),m.addEventListener("mouseup",this._mouseUpHandler=function(e){if(r.active&&r.pointerEnabled){if(3===e.which){!function(e,t){if(e){for(var i=e.target,r=0,s=0,n=0,o=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,n+=i.scrollLeft,o+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+n-r,t[1]=e.pageY+o-s}else e=window.event,t[0]=e.x,t[1]=e.y}(e,dp);var t=dp[0],s=dp[1];Math.abs(t-d)<3&&Math.abs(s-p)<3&&i.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:dp,event:e},!0)}m.style.removeProperty("cursor")}}),m.addEventListener("mouseenter",this._mouseEnterHandler=function(){r.active&&r.pointerEnabled});var w=1/60,P=null;m.addEventListener("wheel",this._mouseWheelHandler=function(e){if(r.active&&r.pointerEnabled&&r.zoomOnMouseWheel&&c._isKeyDownForAction(c.MOUSE_DOLLY,_)){var t=performance.now()/1e3,i=null!==P?t-P:0;P=t,i>.05&&(i=.05),i<w&&(i=w);var o=Math.max(-1,Math.min(1,40*-e.deltaY));if(0!==o){var a=o/Math.abs(o);n.dollyDelta+=-a*i*r.mouseWheelDollyRate,g&&(s.followPointerDirty=!0,g=!1)}}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}]),e}(),fp=re.vec3(),vp=re.vec3(),gp=re.vec3(),mp=re.vec3(),_p=re.vec3(),yp={eye:re.vec3(),look:re.vec3(),up:re.vec3()},bp=function(){function e(t,i,r,s){B(this,e),this._scene=t;var n=i.cameraControl,o=t.camera;this._onSceneKeyDown=t.input.on("keydown",(function(){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var e=n._isKeyDownForAction(n.AXIS_VIEW_RIGHT),a=n._isKeyDownForAction(n.AXIS_VIEW_BACK),l=n._isKeyDownForAction(n.AXIS_VIEW_LEFT),u=n._isKeyDownForAction(n.AXIS_VIEW_FRONT),c=n._isKeyDownForAction(n.AXIS_VIEW_TOP),A=n._isKeyDownForAction(n.AXIS_VIEW_BOTTOM);if(e||a||l||u||c||A){var h=t.aabb,d=re.getAABB3Diag(h);re.getAABB3Center(h,fp);var p=Math.abs(d/Math.tan(i.cameraFlight.fitFOV*re.DEGTORAD)),f=1.1*d;yp.orthoScale=f,e?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldRight,p,vp),_p)),yp.look.set(fp),yp.up.set(o.worldUp)):a?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldForward,p,vp),_p)),yp.look.set(fp),yp.up.set(o.worldUp)):l?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldRight,-p,vp),_p)),yp.look.set(fp),yp.up.set(o.worldUp)):u?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldForward,-p,vp),_p)),yp.look.set(fp),yp.up.set(o.worldUp)):c?(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldUp,p,vp),_p)),yp.look.set(fp),yp.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,1,gp),mp))):A&&(yp.eye.set(re.addVec3(fp,re.mulVec3Scalar(o.worldUp,-p,vp),_p)),yp.look.set(fp),yp.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,-1,gp)))),!r.firstPerson&&r.followPointer&&i.pivotController.setPivotPos(fp),i.cameraFlight.duration>0?i.cameraFlight.flyTo(yp,(function(){i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot()})):(i.cameraFlight.jumpTo(yp),i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot())}}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.input.off(this._onSceneKeyDown)}}]),e}(),xp=function(){function e(t,i,r,s,n){var o=this;B(this,e),this._scene=t;var a=i.pickController,l=i.pivotController,u=i.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;var c=!1,A=!1,h=this._scene.canvas.canvas,d=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e&&e.entity?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})},p=t.tickify(this._canvasMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&!c&&!A){if(u.hasSubs("rayMove")){var i=re.vec3(),n=re.vec3();re.canvasPosToWorldRay(t.canvas.canvas,t.camera.viewMatrix,t.camera.projMatrix,t.camera.projection,s.pointerCanvasPos,i,n),u.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:i,direction:n,canvasPos:s.pointerCanvasPos}},!0)}var l=u.hasSubs("hover"),h=u.hasSubs("hoverEnter"),d=u.hasSubs("hoverOut"),p=u.hasSubs("hoverOff"),f=u.hasSubs("hoverSurface"),v=u.hasSubs("hoverSnapOrSurface");if(l||h||d||p||f||v)if(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=f,a.scheduleSnapOrPick=v,a.update(),a.pickResult){if(a.pickResult.entity){var g=a.pickResult.entity.id;o._lastPickedEntityId!==g&&(void 0!==o._lastPickedEntityId&&u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),u.fire("hoverEnter",a.pickResult,!0),o._lastPickedEntityId=g)}u.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&u.fire("hoverSurface",a.pickResult,!0)}else void 0!==o._lastPickedEntityId&&(u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),o._lastPickedEntityId=void 0),u.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}});h.addEventListener("mousemove",p),h.addEventListener("mousedown",this._canvasMouseDownHandler=function(e){if(1===e.which&&(c=!0),3===e.which&&(A=!0),1===e.which&&r.active&&r.pointerEnabled&&(s.mouseDownClientX=e.clientX,s.mouseDownClientY=e.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!r.firstPerson&&r.followPointer&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===e.which))){var i=a.pickResult;i&&i.worldPos?(l.setPivotPos(i.worldPos),l.startPivot(),o._lastClickedWorldPos=i.worldPos.slice()):(r.smartPivot?l.setCanvasPivotPos(s.pointerCanvasPos):o._lastClickedWorldPos?l.setPivotPos(o._lastClickedWorldPos):l.setPivotPos(t.camera.look),l.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){1===e.which&&(c=!1),3===e.which&&(A=!1),l.getPivoting()&&l.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=function(e){if(r.active&&r.pointerEnabled&&(1===e.which&&(l.hidePivot(),!(Math.abs(e.clientX-s.mouseDownClientX)>3||Math.abs(e.clientY-s.mouseDownClientY)>3)))){var n=u.hasSubs("picked"),c=u.hasSubs("pickedNothing"),A=u.hasSubs("pickedSurface"),h=u.hasSubs("doublePicked"),p=u.hasSubs("doublePickedSurface"),f=u.hasSubs("doublePickedNothing");if(!(r.doublePickFlyTo||h||p||f))return(n||c||A)&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(u.fire("picked",a.pickResult,!0),a.pickedSurface&&u.fire("pickedSurface",a.pickResult,!0)):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(o._clicks=0);if(o._clicks++,1===o._clicks){a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo,a.schedulePickSurface=A,a.update();var v=a.pickResult,g=a.pickedSurface;o._timeout=setTimeout((function(){v&&v.worldPos?(u.fire("picked",v,!0),g&&(u.fire("pickedSurface",v,!0),!r.firstPerson&&r.followPointer&&(i.pivotController.setPivotPos(v.worldPos),i.pivotController.startPivot()&&i.pivotController.showPivot()))):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),o._clicks=0}),r.doubleClickTimeFrame)}else{if(null!==o._timeout&&(window.clearTimeout(o._timeout),o._timeout=null),a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo||h||p,a.schedulePickSurface=a.schedulePickEntity&&p,a.update(),a.pickResult){if(u.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&u.fire("doublePickedSurface",a.pickResult,!0),r.doublePickFlyTo&&(d(a.pickResult),!r.firstPerson&&r.followPointer)){var m=a.pickResult.entity.aabb,_=re.getAABB3Center(m);i.pivotController.setPivotPos(_),i.pivotController.startPivot()&&i.pivotController.showPivot()}}else if(u.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),r.doublePickFlyTo&&(d(),!r.firstPerson&&r.followPointer)){var y=t.aabb,b=re.getAABB3Center(y);i.pivotController.setPivotPos(b),i.pivotController.startPivot()&&i.pivotController.showPivot()}o._clicks=0}}},!1)}return C(e,[{key:"reset",value:function(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}]),e}(),wp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=t.input,a=[];t.canvas.canvas;var l=!0;this._onSceneMouseMove=o.on("mousemove",(function(){l=!0})),this._onSceneKeyDown=o.on("keydown",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(r.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(a[e]=!0))})),this._onSceneKeyUp=o.on("keyup",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(a[e]=!1,i.pivotController.getPivoting()&&i.pivotController.endPivot())})),this._onTick=t.on("tick",(function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var u=i.cameraControl,c=e.deltaTime/1e3;if(!r.planView){var A=u._isKeyDownForAction(u.ROTATE_Y_POS,a),h=u._isKeyDownForAction(u.ROTATE_Y_NEG,a),d=u._isKeyDownForAction(u.ROTATE_X_POS,a),p=u._isKeyDownForAction(u.ROTATE_X_NEG,a),f=c*r.keyboardRotationRate;(A||h||d||p)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),A?n.rotateDeltaY+=f:h&&(n.rotateDeltaY-=f),d?n.rotateDeltaX+=f:p&&(n.rotateDeltaX-=f),!r.firstPerson&&r.followPointer&&i.pivotController.startPivot())}if(!a[o.KEY_CTRL]&&!a[o.KEY_ALT]){var v=u._isKeyDownForAction(u.DOLLY_BACKWARDS,a),g=u._isKeyDownForAction(u.DOLLY_FORWARDS,a);if(v||g){var m=c*r.keyboardDollyRate;!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),g?n.dollyDelta-=m:v&&(n.dollyDelta+=m),l&&(s.followPointerDirty=!0,l=!1)}}var _=u._isKeyDownForAction(u.PAN_FORWARDS,a),y=u._isKeyDownForAction(u.PAN_BACKWARDS,a),b=u._isKeyDownForAction(u.PAN_LEFT,a),x=u._isKeyDownForAction(u.PAN_RIGHT,a),w=u._isKeyDownForAction(u.PAN_UP,a),B=u._isKeyDownForAction(u.PAN_DOWN,a),P=(a[o.KEY_ALT]?.3:1)*c*r.keyboardPanRate;(_||y||b||x||w||B)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),B?n.panDeltaY+=P:w&&(n.panDeltaY+=-P),x?n.panDeltaX+=-P:b&&(n.panDeltaX+=P),y?n.panDeltaZ+=P:_&&(n.panDeltaZ+=-P))}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}]),e}(),Bp=re.vec3(),Pp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=t.camera,a=i.pickController,l=i.pivotController,u=i.panController,c=i.cameraControl,A=1,h=1,d=null;this._onTick=t.on("tick",(function(){if(r.active&&r.pointerEnabled){var e="default";if(Math.abs(n.dollyDelta)<.001&&(n.dollyDelta=0),Math.abs(n.rotateDeltaX)<.001&&(n.rotateDeltaX=0),Math.abs(n.rotateDeltaY)<.001&&(n.rotateDeltaY=0),0===n.rotateDeltaX&&0===n.rotateDeltaY||(n.dollyDelta=0),r.followPointer){if(--A<=0&&(A=1,0!==n.dollyDelta)){if(0===n.rotateDeltaY&&0===n.rotateDeltaX&&r.followPointer&&s.followPointerDirty&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.pickResult&&a.pickResult.worldPos?d=a.pickResult.worldPos:(h=1,d=null),s.followPointerDirty=!1),d){var i=Math.abs(re.lenVec3(re.subVec3(d,t.camera.eye,Bp)));h=i/r.dollyProximityThreshold}h<r.dollyMinSpeed&&(h=r.dollyMinSpeed)}}else h=1,d=null;var p=n.dollyDelta*h;if(0===n.rotateDeltaY&&0===n.rotateDeltaX||(!r.firstPerson&&r.followPointer&&l.getPivoting()?(l.continuePivot(n.rotateDeltaY,n.rotateDeltaX),l.showPivot()):(0!==n.rotateDeltaX&&(r.firstPerson?o.pitch(-n.rotateDeltaX):o.orbitPitch(n.rotateDeltaX)),0!==n.rotateDeltaY&&(r.firstPerson?o.yaw(n.rotateDeltaY):o.orbitYaw(n.rotateDeltaY))),n.rotateDeltaX*=r.rotationInertia,n.rotateDeltaY*=r.rotationInertia,e=c._cursors.rotate),Math.abs(n.panDeltaX)<.001&&(n.panDeltaX=0),Math.abs(n.panDeltaY)<.001&&(n.panDeltaY=0),Math.abs(n.panDeltaZ)<.001&&(n.panDeltaZ=0),0!==n.panDeltaX||0!==n.panDeltaY||0!==n.panDeltaZ){var f,v,g=re.vec3();if(g[0]=n.panDeltaX,g[1]=n.panDeltaY,g[2]=n.panDeltaZ,r.constrainVertical){o.xUp?(f=o.eye[0],v=o.look[0]):o.yUp?(f=o.eye[1],v=o.look[1]):o.zUp&&(f=o.eye[2],v=o.look[2]),o.pan(g);var m=o.eye,_=o.look;o.xUp?(m[0]=f,_[0]=v):o.yUp?(m[1]=f,_[1]=v):o.zUp&&(m[2]=f,_[2]=v),o.eye=m,o.look=_}else o.pan(g);e=c._cursors.pan}if(n.panDeltaX*=r.panInertia,n.panDeltaY*=r.panInertia,n.panDeltaZ*=r.panInertia,0!==p){if(e=p<0?c._cursors.dollyForward:c._cursors.dollyBackward,r.firstPerson){var y,b;if(r.constrainVertical&&(o.xUp?(y=o.eye[0],b=o.look[0]):o.yUp?(y=o.eye[1],b=o.look[1]):o.zUp&&(y=o.eye[2],b=o.look[2])),r.followPointer)u.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0);else o.pan([0,0,p]),o.ortho.scale=o.ortho.scale-p;if(r.constrainVertical){var x=o.eye,w=o.look;o.xUp?(x[0]=y,w[0]=b):o.yUp?(x[1]=y,w[1]=b):o.zUp&&(x[2]=y,w[2]=b),o.eye=x,o.look=w}}else if(r.planView){if(r.followPointer)u.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+p,o.zoom(p)}else{if(r.followPointer)u.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+p,o.zoom(p)}n.dollyDelta*=r.dollyInertia}a.fireEvents(),document.body.style.cursor=e}}))}return C(e,[{key:"destroy",value:function(){this._scene.off(this._onTick)}}]),e}(),Cp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=function(){s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=function(){s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=function(e){Mp(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=function(e){r.active&&r.pointerEnabled&&(Mp(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=function(e){r.active&&r.pointerEnabled})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}]),e}();function Mp(e,t,i){if(e){var r=t.getBoundingClientRect(),s=r.left,n=r.top;i[0]=e.clientX-s,i[1]=e.clientY-n}else e=window.event,i[0]=e.x,i[1]=e.y;return i}var Ep=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Fp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=i.pickController,a=i.pivotController,l=re.vec2(),u=re.vec2(),c=re.vec2(),A=re.vec2(),h=[],d=this._scene.canvas.canvas,p=0,f=!1;this._onTick=t.on("tick",(function(){f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){e.preventDefault();var i=e.touches,n=e.changedTouches;for(s.touchStartTime=Date.now(),1===i.length&&1===n.length&&(Ep(i[0],l),r.followPointer&&(o.pickCursorPos=l,o.schedulePickSurface=!0,o.update(),r.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(a.setPivotPos(o.pickResult.worldPos),!r.firstPerson&&a.startPivot()&&a.showPivot()):(r.smartPivot?a.setCanvasPivotPos(s.pointerCanvasPos):a.setPivotPos(t.camera.look),!r.firstPerson&&a.startPivot()&&a.showPivot()))));h.length<i.length;)h.push(re.vec2());for(var u=0,c=i.length;u<c;++u)Ep(i[u],h[u]);p=i.length}}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(){a.getPivoting()&&a.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(e.stopPropagation(),e.preventDefault(),!f)){f=!0;var i=t.canvas.boundary,a=i[2],l=i[3],d=e.touches;if(e.touches.length===p){if(1===p){Ep(d[0],u),re.subVec2(u,h[0],A);var v=A[0],g=A[1];if(null!==s.longTouchTimeout&&(Math.abs(v)>r.longTapRadius||Math.abs(g)>r.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),r.planView){var m=t.camera;if("perspective"===m.projection){var _=Math.abs(t.camera.eyeLookDist)*Math.tan(m.perspective.fov/2*Math.PI/180);n.panDeltaX+=v*_/l*r.touchPanRate,n.panDeltaY+=g*_/l*r.touchPanRate}else n.panDeltaX+=.5*m.ortho.scale*(v/l)*r.touchPanRate,n.panDeltaY+=.5*m.ortho.scale*(g/l)*r.touchPanRate}else n.rotateDeltaY-=v/a*(1*r.dragRotationRate),n.rotateDeltaX+=g/l*(1.5*r.dragRotationRate)}else if(2===p){var y=d[0],b=d[1];Ep(y,u),Ep(b,c);var x=re.geometricMeanVec2(h[0],h[1]),w=re.geometricMeanVec2(u,c),B=re.vec2();re.subVec2(x,w,B);var P=B[0],C=B[1],M=t.camera,E=re.distVec2([y.pageX,y.pageY],[b.pageX,b.pageY]),F=(re.distVec2(h[0],h[1])-E)*r.touchDollyRate;if(n.dollyDelta=F,Math.abs(F)<1)if("perspective"===M.projection){var k=o.pickResult?o.pickResult.worldPos:t.center,I=Math.abs(re.lenVec3(re.subVec3(k,t.camera.eye,[])))*Math.tan(M.perspective.fov/2*Math.PI/180);n.panDeltaX-=P*I/l*r.touchPanRate,n.panDeltaY-=C*I/l*r.touchPanRate}else n.panDeltaX-=.5*M.ortho.scale*(P/l)*r.touchPanRate,n.panDeltaY-=.5*M.ortho.scale*(C/l)*r.touchPanRate;s.pointerCanvasPos=w}for(var D=0;D<p;++D)Ep(d[D],h[D])}}})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}]),e}(),kp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Ip=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o,a=i.pickController,l=i.cameraControl,u=[],c=new Float32Array(2),A=-1,h=-1,d=this._scene.canvas.canvas,p=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})};d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);var t=e.touches,n=e.changedTouches;if(o=Date.now(),1===t.length&&1===n.length){A=o,kp(t[0],c);var a=c[0],l=c[1],h=t[0].pageX,d=t[0].pageY;s.longTouchTimeout=setTimeout((function(){i.cameraControl.fire("rightClick",{pagePos:[Math.round(h),Math.round(d)],canvasPos:[Math.round(a),Math.round(l)],event:e},!0),s.longTouchTimeout=null}),r.longTapTimeout)}else A=-1;for(;u.length<t.length;)u.push(new Float32Array(2));for(var p=0,f=t.length;p<f;++p)kp(t[p],u[p]);u.length=t.length}},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(e){if(r.active&&r.pointerEnabled){var t=Date.now(),i=e.touches,n=e.changedTouches,o=l.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===i.length&&1===n.length&&A>-1&&t-A<150&&(h>-1&&A-h<325?(kp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("doublePicked",a.pickResult),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult),r.doublePickFlyTo&&p(a.pickResult)):(l.fire("doublePickedNothing"),r.doublePickFlyTo&&p()),h=-1):re.distVec2(u[0],c)<4&&(kp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("picked",a.pickResult),a.pickedSurface&&l.fire("pickedSurface",a.pickResult)):l.fire("pickedNothing"),h=t),A=-1),u.length=i.length;for(var d=0,f=i.length;d<f;++d)u[d][0]=i[d].pageX,u[d][1]=i[d].pageY}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}]),e}(),Dp=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s)).PAN_LEFT=0,r.PAN_RIGHT=1,r.PAN_UP=2,r.PAN_DOWN=3,r.PAN_FORWARDS=4,r.PAN_BACKWARDS=5,r.ROTATE_X_POS=6,r.ROTATE_X_NEG=7,r.ROTATE_Y_POS=8,r.ROTATE_Y_NEG=9,r.DOLLY_FORWARDS=10,r.DOLLY_BACKWARDS=11,r.AXIS_VIEW_RIGHT=12,r.AXIS_VIEW_BACK=13,r.AXIS_VIEW_LEFT=14,r.AXIS_VIEW_FRONT=15,r.AXIS_VIEW_TOP=16,r.AXIS_VIEW_BOTTOM=17,r.MOUSE_PAN=18,r.MOUSE_ROTATE=19,r.MOUSE_DOLLY=20,r._keyMap={},r.scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},r._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},r._states={pointerCanvasPos:re.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:re.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},r._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};var n=r.scene;return r._controllers={cameraControl:b(r),pickController:new hp(b(r),r._configs),pivotController:new Ap(n,r._configs),panController:new sp(n),cameraFlight:new Pd(b(r),{duration:.5})},r._handlers=[new Cp(r.scene,r._controllers,r._configs,r._states,r._updates),new Fp(r.scene,r._controllers,r._configs,r._states,r._updates),new pp(r.scene,r._controllers,r._configs,r._states,r._updates),new bp(r.scene,r._controllers,r._configs,r._states,r._updates),new xp(r.scene,r._controllers,r._configs,r._states,r._updates),new Ip(r.scene,r._controllers,r._configs,r._states,r._updates),new wp(r.scene,r._controllers,r._configs,r._states,r._updates)],r._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:"grabbing",pan:"move"},r._cameraUpdater=new Pp(r.scene,r._controllers,r._configs,r._states,r._updates),r.navMode=s.navMode,s.planView&&(r.planView=s.planView),r.constrainVertical=s.constrainVertical,s.keyboardLayout?r.keyboardLayout=s.keyboardLayout:r.keyMap=s.keyMap,r.doublePickFlyTo=s.doublePickFlyTo,r.panRightClick=s.panRightClick,r.active=s.active,r.followPointer=s.followPointer,r.rotationInertia=s.rotationInertia,r.keyboardPanRate=s.keyboardPanRate,r.touchPanRate=s.touchPanRate,r.keyboardRotationRate=s.keyboardRotationRate,r.dragRotationRate=s.dragRotationRate,r.touchDollyRate=s.touchDollyRate,r.dollyInertia=s.dollyInertia,r.dollyProximityThreshold=s.dollyProximityThreshold,r.dollyMinSpeed=s.dollyMinSpeed,r.panInertia=s.panInertia,r.pointerEnabled=!0,r.keyboardDollyRate=s.keyboardDollyRate,r.mouseWheelDollyRate=s.mouseWheelDollyRate,r}return C(i,[{key:"keyMap",get:function(){return this._keyMap},set:function(e){if(e=e||"qwerty",he.isString(e)){var t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{var r=e;this._keyMap=r}}},{key:"_areAllKeysDown",value:function(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(var i=0,r=t.length;i<r;i++){if(!e[t[i]])return!1}return!0}},{key:"_isAnyOtherKeyDown",value:function(e,t){for(var i=0,r=e.length;i<r;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}},{key:"_isMouseAction",value:function(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}},{key:"_isKeyDownForAction",value:function(e,t){var i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(var r=0,s=i.length;r<s;r++){var n=i[r];if(Array.isArray(n)){if(this._areAllKeysDown(t,n)&&!this._isAnyOtherKeyDown(t,n))return!0}else if(t[n]&&!this._isAnyOtherKeyDown(t,n))return!0}return!1}},{key:"pivotElement",set:function(e){this._controllers.pivotController.setPivotElement(e)}},{key:"active",get:function(){return this._configs.active},set:function(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}},{key:"snapToVertex",get:function(){return this._configs.snapToVertex},set:function(e){this._configs.snapToVertex=!!e}},{key:"snapToEdge",get:function(){return this._configs.snapToEdge},set:function(e){this._configs.snapToEdge=!!e}},{key:"snapRadius",get:function(){return this._configs.snapRadius},set:function(e){e=e||30,this._configs.snapRadius=e}},{key:"keyboardEnabledOnlyIfMouseover",get:function(){return this._configs.keyboardEnabledOnlyIfMouseover},set:function(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}},{key:"navMode",get:function(){return this._configs.navMode},set:function(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}},{key:"pointerEnabled",get:function(){return this._configs.pointerEnabled},set:function(e){this._reset(),this._configs.pointerEnabled=!!e}},{key:"setCursorStyle",value:function(e,t){Object.prototype.hasOwnProperty.call(this._cursors,e)?this._cursors=l(l({},this._cursors),{},u({},e,t)):console.warn("Action '".concat(e,"' is not valid for cursor styles."))}},{key:"getCursorStyle",value:function(e){return this._cursors[e]||null}},{key:"_reset",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.reset&&i.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}},{key:"followPointer",get:function(){return this._configs.followPointer},set:function(e){this._configs.followPointer=!1!==e}},{key:"pivotPos",get:function(){return this._controllers.pivotController.getPivotPos()},set:function(e){this._controllers.pivotController.setPivotPos(e)}},{key:"dollyToPointer",get:function(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer},set:function(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}},{key:"panToPointer",get:function(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1},set:function(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}},{key:"planView",get:function(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView},set:function(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}},{key:"firstPerson",get:function(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson},set:function(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}},{key:"constrainVertical",get:function(){return this._configs.constrainVertical},set:function(e){this._configs.constrainVertical=!!e}},{key:"doublePickFlyTo",get:function(){return this._configs.doublePickFlyTo},set:function(e){this._configs.doublePickFlyTo=!1!==e}},{key:"panRightClick",get:function(){return this._configs.panRightClick},set:function(e){this._configs.panRightClick=!1!==e;var t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0)for(var i=this.scene.input,r=0,s=t.length;r<s;r++)this._configs.panRightClick&&t[r]===i.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][r]=i.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[r]!==i.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][r]=i.MOUSE_MIDDLE_BUTTON)}},{key:"rotationInertia",get:function(){return this._configs.rotationInertia},set:function(e){this._configs.rotationInertia=null!=e?e:0}},{key:"keyboardPanRate",get:function(){return this._configs.keyboardPanRate},set:function(e){this._configs.keyboardPanRate=null!=e?e:5}},{key:"touchPanRate",get:function(){return this._configs.touchPanRate},set:function(e){this._configs.touchPanRate=null!=e?e:1}},{key:"keyboardRotationRate",get:function(){return this._configs.keyboardRotationRate},set:function(e){this._configs.keyboardRotationRate=null!=e?e:90}},{key:"dragRotationRate",get:function(){return this._configs.dragRotationRate},set:function(e){this._configs.dragRotationRate=null!=e?e:360}},{key:"keyboardDollyRate",get:function(){return this._configs.keyboardDollyRate},set:function(e){this._configs.keyboardDollyRate=null!=e?e:15}},{key:"touchDollyRate",get:function(){return this._configs.touchDollyRate},set:function(e){this._configs.touchDollyRate=null!=e?e:.2}},{key:"mouseWheelDollyRate",get:function(){return this._configs.mouseWheelDollyRate},set:function(e){this._configs.mouseWheelDollyRate=null!=e?e:100}},{key:"dollyInertia",get:function(){return this._configs.dollyInertia},set:function(e){this._configs.dollyInertia=null!=e?e:0}},{key:"dollyProximityThreshold",get:function(){return this._configs.dollyProximityThreshold},set:function(e){this._configs.dollyProximityThreshold=null!=e?e:35}},{key:"dollyMinSpeed",get:function(){return this._configs.dollyMinSpeed},set:function(e){this._configs.dollyMinSpeed=null!=e?e:.04}},{key:"panInertia",get:function(){return this._configs.panInertia},set:function(e){this._configs.panInertia=null!=e?e:.5}},{key:"keyboardLayout",get:function(){return this._configs.keyboardLayout},set:function(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._controllers.pivotController.enablePivotSphere(e)}},{key:"disablePivotSphere",value:function(){this._controllers.pivotController.disablePivotSphere()}},{key:"smartPivot",get:function(){return this._configs.smartPivot},set:function(e){this._configs.smartPivot=!1!==e}},{key:"doubleClickTimeFrame",get:function(){return this._configs.doubleClickTimeFrame},set:function(e){this._configs.doubleClickTimeFrame=null!=e?e:250}},{key:"zoomOnMouseWheel",get:function(){return this._configs.zoomOnMouseWheel},set:function(e){this._configs.zoomOnMouseWheel=!!e}},{key:"destroy",value:function(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),f(x(i.prototype),"destroy",this).call(this)}},{key:"_destroyHandlers",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.destroy&&i.destroy()}}},{key:"_destroyControllers",value:function(){for(var e=0,t=this._controllers.length;e<t;e++){var i=this._controllers[e];i.destroy&&i.destroy()}}}]),i}(),Sp=C((function e(t,i,r,s,n){B(this,e),this.name=t,this.type=r,this.value=i,this.valueType=s,this.description=n})),Tp=C((function e(t){if(B(this,e),this.id=t.id,this.originalSystemId=t.originalSystemId,this.metaModels=[],this.name=t.name,this.type=t.type,this.properties=[],t.properties)for(var i=t.properties,r=0,s=i.length;r<s;r++){var n=i[r];Number.isInteger(n)?this.properties.push(n):this.properties.push(new Sp(n.name,n.value,n.type,n.valueType,n.description))}})),Lp=function(){function e(t){B(this,e),this.metaModels=[],this.id=t.id,this.parentId=t.parentId,this.parent=null,this.originalSystemId=t.originalSystemId,this.name=t.name,this.type=t.type,this.propertySetIds=t.propertySetIds,this.propertySets=[],this.attributes=t.attributes||{},void 0!==t.external&&null!==t.external&&(this.external=t.external)}return C(e,[{key:"metaModel",get:function(){return 1==this.metaModels.length?this.metaModels[0]:null}},{key:"getObjectIDsInSubtree",value:function(){var e=[];return function t(i){if(i){e.push(i.id);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this),e}},{key:"withMetaObjectsInSubtree",value:function(e){!function t(i){if(i){e(i);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this)}},{key:"getObjectIDsInSubtreeByType",value:function(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=e[i];var s=[];return function e(i){if(i){t[i.type]&&s.push(i.id);var r=i.children;if(r)for(var n=0,o=r.length;n<o;n++)e(r[n])}}(this),s}},{key:"getJSON",value:function(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}]),e}(),Rp=function(){function e(t){B(this,e),this.id=t.id,this.projectId=t.projectId,this.revisionId=t.revisionId,this.author=t.author,this.createdAt=t.createdAt,this.creatingApplication=t.creatingApplication,this.schema=t.schema,this.metaScene=t.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=t.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}return C(e,[{key:"rootMetaObject",get:function(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}},{key:"loadData",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);var i=this.metaScene,r=e.properties;if(r)for(var s=0,n=r.length;s<n;s++)this._propertyLookup.push(r[s]);if(e.propertySets)for(var o=0,a=e.propertySets.length;o<a;o++){var l=e.propertySets[o];l.properties||(l.properties=[]);var u=i.propertySets[l.id];u||(u=new Tp({id:l.id,originalSystemId:l.originalSystemId||l.id,type:l.type,name:l.name,properties:l.properties}),i.propertySets[u.id]=u),u.metaModels.push(this),this.propertySets.push(u)}if(e.metaObjects)for(var c=0,A=e.metaObjects.length;c<A;c++){var h=e.metaObjects[c],d=h.id,p=i.metaObjects[d];if(!p){var f=h.type,v=h.originalSystemId,g=h.propertySets||h.propertySetIds;p=new Lp({id:d,originalSystemId:v,parentId:h.parent,type:f,name:h.name,attributes:h.attributes,propertySetIds:g,external:h.external}),this.metaScene.metaObjects[d]=p,p.metaModels=[]}this.metaObjects[d]=p,h.parent||(this.rootMetaObjects.push(p),i.rootMetaObjects[d]=p)}}},{key:"_decompressProperties",value:function(e,t){for(var i=[],r=0,s=t.length;r<s;r++){var n=t[r];if(Number.isInteger(n)){var o=e[n];o?t[r]=o:i.push(n)}}i.length>0&&console.error("[MetaModel._decompressProperties] Properties not found: ".concat(i))}},{key:"finalize",value:function(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";var e=this.metaScene;for(var t in e.metaObjects){var i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(var r=0,s=i.propertySetIds.length;r<s;r++){var n=i.propertySetIds[r],o=e.propertySets[n];i.propertySets.push(o)}}for(var a in e.metaObjects){var l=e.metaObjects[a];if(l.parentId){var u=e.metaObjects[l.parentId];u&&(l.parent=u,(u.children||(u.children=[])).push(l))}}for(var c in e.metaObjects){e.metaObjects[c].metaModels=[]}for(var A in e.metaModels){var h=e.metaModels[A];for(var d in h.metaObjects){h.metaObjects[d].metaModels.push(h)}}for(var p in e.metaObjectsByType={},e.metaObjects){var f=e.metaObjects[p],v=f.type;(e.metaObjectsByType[v]||(e.metaObjectsByType[v]={}))[p]=f}if(this.propertySets)for(var g=0,m=this.propertySets.length;g<m;g++){var _=this.propertySets[g];this._decompressProperties(this._propertyLookup,_.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}},{key:"getJSON",value:function(){for(var e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects),i=0,r=t.length;i<r;i++){var s=t[i],n={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(n.parent=s.parent.id),s.attributes&&(n.attributes=s.attributes),s.propertySetIds&&(n.propertySetIds=s.propertySetIds),e.metaObjects.push(n)}for(var o=0,a=this.propertySets.length;o<a;o++){for(var l=this.propertySets[o],u={id:l.id,originalSystemId:l.originalSystemId,extId:l.extId,type:l.type,name:l.name,propertyies:[]},c=0,A=l.properties.length;c<A;c++){var h=l.properties[c],d={id:h.id,description:h.description,type:h.type,name:h.name,value:h.value,valueType:h.valueType};u.properties.push(d)}e.propertySets.push(u)}return e}},{key:"_globalizeIDs",value:function(e,t){var i=!!t.globalizeObjectIds;if(e.metaObjects)for(var r=0,s=e.metaObjects.length;r<s;r++){var n=e.metaObjects[r];if(n.originalSystemId=n.id,n.parent&&(n.originalParentSystemId=n.parent),i&&(n.id=re.globalizeObjectId(this.id,n.id),n.parent&&(n.parent=re.globalizeObjectId(this.id,n.parent))),i){var o=n.propertySetIds;if(o){for(var a=[],l=0,u=o.length;l<u;l++)a.push(re.globalizeObjectId(this.id,o[l]));n.propertySetIds=a,n.originalSystemPropertySetIds=o}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(var c=0,A=e.propertySets.length;c<A;c++){var h=e.propertySets[c];h.originalSystemId=h.id,i&&(h.id=re.globalizeObjectId(this.id,h.id))}}}]),e}(),Up=function(){function e(t,i){B(this,e),this.viewer=t,this.scene=i,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"createMetaModel",value:function(e,t){var i=new Rp({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return i.loadData(t),i.finalize(),i}},{key:"destroyMetaModel",value:function(e){var t=this.metaModels[e];if(t){if(t.propertySets)for(var i=0,r=t.propertySets.length;i<r;i++){var s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{for(var n=[],o=0,a=s.metaModels.length;o<a;o++)s.metaModels[o].id!==e&&n.push(s.metaModels[o]);s.metaModels=n}}if(t.metaObjects)for(var l=0,u=t.metaObjects.length;l<u;l++){var c=t.metaObjects[l];c.type;var A=c.id;1===c.metaModels.length&&c.metaModels[0].id===e&&(delete this.metaObjects[A],c.parent||delete this.rootMetaObjects[A])}for(var h in this.metaObjects){var d=this.metaObjects[h];if(d.children&&(d.children=[]),d.propertySets&&(d.propertySets=[]),d.propertySetIds)for(var p=0,f=d.propertySetIds.length;p<f;p++){var v=d.propertySetIds[p],g=this.propertySets[v];d.propertySets.push(g)}}for(var m in this.metaObjectsByType={},this.metaObjects){var _=this.metaObjects[m],y=_.type;_.children&&(_.children=null),(this.metaObjectsByType[y]||(this.metaObjectsByType[y]={}))[m]=_}for(var b in this.metaObjects){var x=this.metaObjects[b];if(x.parentId){var w=this.metaObjects[x.parentId];w&&(x.parent=w,(w.children||(w.children=[])).push(x))}}for(var B in delete this.metaModels[e],this.metaObjects){this.metaObjects[B].metaModels=[]}for(var P in this.metaModels)for(var C=this.metaModels[P],M=0,E=C.metaObjects.length;M<E;M++){C.metaObjects[M].metaModels.push(C)}this.fire("metaModelDestroyed",e)}}},{key:"getObjectIDsByType",value:function(e){var t=this.metaObjectsByType[e];return t?Object.keys(t):[]}},{key:"getObjectIDsInSubtree",value:function(e,t,i){var r=[],s=this.metaObjects[e],n=t&&t.length>0?Op(t):null,o=i&&i.length>0?Op(i):null;return function e(t){if(t){var i=!0;(o&&o[t.type]||n&&!n[t.type])&&(i=!1),i&&r.push(t.id);var s=t.children;if(s)for(var a=0,l=s.length;a<l;a++)e(s[a])}}(s),r}},{key:"withMetaObjectsInSubtree",value:function(e,t){var i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}]),e}();function Op(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
@@ -33,4 +33,4 @@ INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 PERFORMANCE OF THIS SOFTWARE.
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c=u.length?parseInt(Xp.apply(void 0,u),10):0;return i*(s+a*Math.pow(10,-o))*Math.pow(10,l*c)},tv={type:2},iv={type:3},rv={type:4},sv={type:13},nv={type:8},ov={type:21},av={type:9},lv={type:10},uv={type:11},cv={type:12},Av={type:14},hv={type:23},dv={type:1},pv={type:25},fv={type:24},vv={type:26},gv={type:27},mv={type:28},_v={type:29},yv={type:31},bv={type:32},xv=function(){function e(){this._value=[]}return e.prototype.write=function(e){this._value=this._value.concat(Kp(e))},e.prototype.read=function(){for(var e=[],t=this.consumeToken();t!==bv;)e.push(t),t=this.consumeToken();return e},e.prototype.consumeToken=function(){var e=this.consumeCodePoint();switch(e){case 34:return this.consumeStringToken(34);case 35:var t=this.peekCodePoint(0),i=this.peekCodePoint(1),r=this.peekCodePoint(2);if(Yf(t)||Zf(i,r)){var s=qf(t,i,r)?2:1;return{type:5,value:this.consumeName(),flags:s}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),sv;break;case 39:return this.consumeStringToken(39);case 40:return tv;case 41:return iv;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Av;break;case 43:if($f(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return rv;case 45:var n=e,o=this.peekCodePoint(0),a=this.peekCodePoint(1);if($f(n,o,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(qf(n,o,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===o&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),fv;break;case 46:if($f(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return vv;case 59:return gv;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),pv;break;case 64:var u=this.peekCodePoint(0),c=this.peekCodePoint(1),A=this.peekCodePoint(2);if(qf(u,c,A))return{type:7,value:this.consumeName()};break;case 91:return mv;case 92:if(Zf(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return _v;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),nv;break;case 123:return uv;case 125:return cv;case 117:case 85:var h=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==h||!Wf(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),av;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),ov;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),lv;break;case-1:return bv}return Kf(e)?(this.consumeWhiteSpace(),yv):zf(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):Xf(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:Xp(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();Wf(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(Xp.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(Xp.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var r=parseInt(Xp.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&Wf(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var s=[];Wf(t)&&s.length<6;)s.push(t),t=this.consumeCodePoint();return{type:30,start:r,end:parseInt(Xp.apply(void 0,s),16)}}return{type:30,start:r,end:r}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),hv)}for(;;){var r=this.consumeCodePoint();if(-1===r||41===r)return{type:22,value:Xp.apply(void 0,e)};if(Kf(r))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:Xp.apply(void 0,e)}):(this.consumeBadUrlRemnants(),hv);if(34===r||39===r||40===r||Jf(r))return this.consumeBadUrlRemnants(),hv;if(92===r){if(!Zf(r,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),hv;e.push(this.consumeEscapedCodePoint())}else e.push(r)}},e.prototype.consumeWhiteSpace=function(){for(;Kf(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;Zf(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=Xp.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var r=this._value[i];if(-1===r||void 0===r||r===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===r)return this._value.splice(0,i),dv;if(92===r){var s=this._value[i+1];-1!==s&&void 0!==s&&(10===s?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):Zf(r,s)&&(t+=this.consumeStringSlice(i),t+=Xp(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());zf(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var r=this.peekCodePoint(1);if(46===i&&zf(r))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;zf(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),r=this.peekCodePoint(1);var s=this.peekCodePoint(2);if((69===i||101===i)&&((43===r||45===r)&&zf(s)||zf(r)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;zf(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[ev(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],r=this.peekCodePoint(0),s=this.peekCodePoint(1),n=this.peekCodePoint(2);return qf(r,s,n)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===r?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(Wf(e)){for(var t=Xp(e);Wf(this.peekCodePoint(0))&&t.length<6;)t+=Xp(this.consumeCodePoint());Kf(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(Yf(t))e+=Xp(t);else{if(!Zf(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=Xp(this.consumeEscapedCodePoint())}}},e}(),wv=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new xv;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||Dv(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?bv:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),Bv=function(e){return 15===e.type},Pv=function(e){return 17===e.type},Cv=function(e){return 20===e.type},Mv=function(e){return 0===e.type},Ev=function(e,t){return Cv(e)&&e.value===t},Fv=function(e){return 31!==e.type},kv=function(e){return 31!==e.type&&4!==e.type},Iv=function(e){var t=[],i=[];return e.forEach((function(e){if(4===e.type){if(0===i.length)throw new Error("Error parsing function args, zero tokens for arg");return t.push(i),void(i=[])}31!==e.type&&i.push(e)})),i.length&&t.push(i),t},Dv=function(e,t){return 11===t&&12===e.type||(28===t&&29===e.type||2===t&&3===e.type)},Sv=function(e){return 17===e.type||15===e.type},Tv=function(e){return 16===e.type||Sv(e)},Lv=function(e){return e.length>1?[e[0],e[1]]:[e[0]]},Rv={type:17,number:0,flags:4},Uv={type:16,number:50,flags:4},Ov={type:16,number:100,flags:4},Nv=function(e,t,i){var r=e[0],s=e[1];return[Qv(r,t),Qv(void 0!==s?s:r,i)]},Qv=function(e,t){if(16===e.type)return e.number/100*t;if(Bv(e))switch(e.unit){case"rem":case"em":return 16*e.number;default:return e.number}return e.number},Vv=function(e,t){if(15===t.type)switch(t.unit){case"deg":return Math.PI*t.number/180;case"grad":return Math.PI/200*t.number;case"rad":return t.number;case"turn":return 2*Math.PI*t.number}throw new Error("Unsupported angle type")},Hv=function(e){return 15===e.type&&("deg"===e.unit||"grad"===e.unit||"rad"===e.unit||"turn"===e.unit)},jv=function(e){switch(e.filter(Cv).map((function(e){return e.value})).join(" ")){case"to bottom right":case"to right bottom":case"left top":case"top left":return[Rv,Rv];case"to top":case"bottom":return Gv(0);case"to bottom left":case"to left bottom":case"right top":case"top right":return[Rv,Ov];case"to right":case"left":return Gv(90);case"to top left":case"to left top":case"right bottom":case"bottom right":return[Ov,Ov];case"to bottom":case"top":return Gv(180);case"to top right":case"to right top":case"left bottom":case"bottom left":return[Ov,Rv];case"to left":case"right":return Gv(270)}return 0},Gv=function(e){return Math.PI*e/180},zv=function(e,t){if(18===t.type){var i=$v[t.name];if(void 0===i)throw new Error('Attempting to parse an unsupported color 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Xy(i.left+B/2,i.top+b/2),this.topRightBorderStroke=s>0||n>0?$y(i.left+g,i.top+b/2,a-x/2,l-b/2,By.TOP_RIGHT):new Xy(i.left+i.width-x/2,i.top+b/2),this.bottomRightBorderStroke=c>0||A>0?$y(i.left+_,i.top+m,c-x/2,A-w/2,By.BOTTOM_RIGHT):new Xy(i.left+i.width-x/2,i.top+i.height-w/2),this.bottomLeftBorderStroke=d>0||p>0?$y(i.left+B/2,i.top+y,d-B/2,p-w/2,By.BOTTOM_LEFT):new Xy(i.left+B/2,i.top+i.height-w/2),this.topLeftBorderBox=s>0||n>0?$y(i.left,i.top,s,n,By.TOP_LEFT):new Xy(i.left,i.top),this.topRightBorderBox=a>0||l>0?$y(i.left+g,i.top,a,l,By.TOP_RIGHT):new Xy(i.left+i.width,i.top),this.bottomRightBorderBox=c>0||A>0?$y(i.left+_,i.top+m,c,A,By.BOTTOM_RIGHT):new Xy(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?$y(i.left,i.top+y,d,p,By.BOTTOM_LEFT):new Xy(i.left,i.top+i.height),this.topLeftPaddingBox=s>0||n>0?$y(i.left+B,i.top+b,Math.max(0,s-B),Math.max(0,n-b),By.TOP_LEFT):new Xy(i.left+B,i.top+b),this.topRightPaddingBox=a>0||l>0?$y(i.left+Math.min(g,i.width-x),i.top+b,g>i.width+x?0:Math.max(0,a-x),Math.max(0,l-b),By.TOP_RIGHT):new Xy(i.left+i.width-x,i.top+b),this.bottomRightPaddingBox=c>0||A>0?$y(i.left+Math.min(_,i.width-B),i.top+Math.min(m,i.height-w),Math.max(0,c-x),Math.max(0,A-w),By.BOTTOM_RIGHT):new Xy(i.left+i.width-x,i.top+i.height-w),this.bottomLeftPaddingBox=d>0||p>0?$y(i.left+B,i.top+Math.min(y,i.height-w),Math.max(0,d-B),Math.max(0,p-w),By.BOTTOM_LEFT):new Xy(i.left+B,i.top+i.height-w),this.topLeftContentBox=s>0||n>0?$y(i.left+B+E,i.top+b+P,Math.max(0,s-(B+E)),Math.max(0,n-(b+P)),By.TOP_LEFT):new Xy(i.left+B+E,i.top+b+P),this.topRightContentBox=a>0||l>0?$y(i.left+Math.min(g,i.width+B+E),i.top+b+P,g>i.width+B+E?0:a-B+E,l-(b+P),By.TOP_RIGHT):new Xy(i.left+i.width-(x+C),i.top+b+P),this.bottomRightContentBox=c>0||A>0?$y(i.left+Math.min(_,i.width-(B+E)),i.top+Math.min(m,i.height+b+P),Math.max(0,c-(x+C)),A-(w+M),By.BOTTOM_RIGHT):new Xy(i.left+i.width-(x+C),i.top+i.height-(w+M)),this.bottomLeftContentBox=d>0||p>0?$y(i.left+B+E,i.top+y,Math.max(0,d-(B+E)),p-(w+M),By.BOTTOM_LEFT):new Xy(i.left+B+E,i.top+i.height-(w+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}(By||(By={}));var $y=function(e,t,i,r,s){var n=(Math.sqrt(2)-1)/3*4,o=i*n,a=r*n,l=e+i,u=t+r;switch(s){case By.TOP_LEFT:return new Jy(new Xy(e,u),new Xy(e,u-a),new Xy(l-o,t),new Xy(l,t));case By.TOP_RIGHT:return new Jy(new Xy(e,t),new Xy(e+o,t),new Xy(l,u-a),new Xy(l,u));case By.BOTTOM_RIGHT:return new Jy(new Xy(l,t),new Xy(l,t+a),new Xy(e+o,u),new Xy(e,u));case By.BOTTOM_LEFT:default:return new Jy(new Xy(l,u),new Xy(l-o,u),new Xy(e,t+a),new Xy(e,t))}},eb=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},tb=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},ib=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},rb=function(e,t){this.path=e,this.target=t,this.type=1},sb=function(e){this.opacity=e,this.type=2,this.target=6},nb=function(e){return 1===e.type},ob=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},ab=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},lb=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new qy(this.container),this.container.styles.opacity<1&&this.effects.push(new sb(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,r=this.container.bounds.top+this.container.styles.transformOrigin[1].number,s=this.container.styles.transform;this.effects.push(new ib(i,r,s))}if(0!==this.container.styles.overflowX){var n=eb(this.curves),o=tb(this.curves);ob(n,o)?this.effects.push(new rb(n,6)):(this.effects.push(new rb(n,2)),this.effects.push(new rb(o,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,r=this.effects.slice(0);i;){var s=i.effects.filter((function(e){return!nb(e)}));if(t||0!==i.container.styles.position||!i.parent){if(r.unshift.apply(r,s),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var n=eb(i.curves),o=tb(i.curves);ob(n,o)||r.unshift(new rb(o,6))}}else r.unshift.apply(r,s);i=i.parent}return r.filter((function(t){return Tm(t.target,e)}))},e}(),ub=function e(t,i,r,s){t.container.elements.forEach((function(n){var o=Tm(n.flags,4),a=Tm(n.flags,2),l=new lb(n,t);Tm(n.styles.display,2048)&&s.push(l);var u=Tm(n.flags,8)?[]:s;if(o||a){var c=o||n.styles.isPositioned()?r:i,A=new ab(l);if(n.styles.isPositioned()||n.styles.opacity<1||n.styles.isTransformed()){var h=n.styles.zIndex.order;if(h<0){var d=0;c.negativeZIndex.some((function(e,t){return h>e.element.container.styles.zIndex.order?(d=t,!1):d>0})),c.negativeZIndex.splice(d,0,A)}else if(h>0){var p=0;c.positiveZIndex.some((function(e,t){return h>=e.element.container.styles.zIndex.order?(p=t+1,!1):p>0})),c.positiveZIndex.splice(p,0,A)}else c.zeroOrAutoZIndexOrTransformedOrOpacity.push(A)}else n.styles.isFloating()?c.nonPositionedFloats.push(A):c.nonPositionedInlineLevel.push(A);e(l,A,o?A:r,u)}else n.styles.isInlineLevel()?i.inlineLevel.push(l):i.nonInlineLevel.push(l),e(l,i,r,u);Tm(n.flags,8)&&cb(n,u)}))},cb=function(e,t){for(var i=e instanceof T_?e.start:1,r=e instanceof T_&&e.reversed,s=0;s<t.length;s++){var n=t[s];n.container instanceof S_&&"number"==typeof n.container.value&&0!==n.container.value&&(i=n.container.value),n.listValue=xy(i,n.container.styles.listStyleType,!0),i+=r?-1:1}},Ab=function(e){var t=new lb(e,null),i=new ab(t),r=[];return ub(t,i,i,r),cb(t.container,r),i},hb=function(e,t){switch(t){case 0:return pb(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return pb(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return pb(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return pb(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},db=function(e,t){var i=[];return Zy(e)?i.push(e.subdivide(.5,!1)):i.push(e),Zy(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},pb=function(e,t,i,r){var s=[];return Zy(e)?s.push(e.subdivide(.5,!1)):s.push(e),Zy(i)?s.push(i.subdivide(.5,!0)):s.push(i),Zy(r)?s.push(r.subdivide(.5,!0).reverse()):s.push(r),Zy(t)?s.push(t.subdivide(.5,!1).reverse()):s.push(t),s},fb=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},vb=function(e){var t=e.styles,i=e.bounds,r=Qv(t.paddingLeft,i.width),s=Qv(t.paddingRight,i.width),n=Qv(t.paddingTop,i.width),o=Qv(t.paddingBottom,i.width);return i.add(r+t.borderLeftWidth,n+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+r+s),-(t.borderTopWidth+t.borderBottomWidth+n+o))},gb=function(e,t,i){var r=function(e,t){return 0===e?t.bounds:2===e?vb(t):fb(t)}(bb(e.styles.backgroundOrigin,t),e),s=function(e,t){return 0===e?t.bounds:2===e?vb(t):fb(t)}(bb(e.styles.backgroundClip,t),e),n=yb(bb(e.styles.backgroundSize,t),i,r),o=n[0],a=n[1],l=Nv(bb(e.styles.backgroundPosition,t),r.width-o,r.height-a);return[xb(bb(e.styles.backgroundRepeat,t),l,n,r,s),Math.round(r.left+l[0]),Math.round(r.top+l[1]),o,a]},mb=function(e){return Cv(e)&&e.value===hg.AUTO},_b=function(e){return"number"==typeof e},yb=function(e,t,i){var r=t[0],s=t[1],n=t[2],o=e[0],a=e[1];if(!o)return[0,0];if(Tv(o)&&a&&Tv(a))return[Qv(o,i.width),Qv(a,i.height)];var l=_b(n);if(Cv(o)&&(o.value===hg.CONTAIN||o.value===hg.COVER))return _b(n)?i.width/i.height<n!=(o.value===hg.COVER)?[i.width,i.width/n]:[i.height*n,i.height]:[i.width,i.height];var u=_b(r),c=_b(s),A=u||c;if(mb(o)&&(!a||mb(a)))return u&&c?[r,s]:l||A?A&&l?[u?r:s*n,c?s:r/n]:[u?r:i.width,c?s:i.height]:[i.width,i.height];if(l){var h=0,d=0;return Tv(o)?h=Qv(o,i.width):Tv(a)&&(d=Qv(a,i.height)),mb(o)?h=d*n:a&&!mb(a)||(d=h/n),[h,d]}var p=null,f=null;if(Tv(o)?p=Qv(o,i.width):a&&Tv(a)&&(f=Qv(a,i.height)),null===p||a&&!mb(a)||(f=u&&c?p/r*s:i.height),null!==f&&mb(o)&&(p=u&&c?f/s*r:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},bb=function(e,t){var i=e[t];return void 0===i?e[0]:i},xb=function(e,t,i,r,s){var n=t[0],o=t[1],a=i[0],l=i[1];switch(e){case 2:return[new Xy(Math.round(r.left),Math.round(r.top+o)),new Xy(Math.round(r.left+r.width),Math.round(r.top+o)),new Xy(Math.round(r.left+r.width),Math.round(l+r.top+o)),new Xy(Math.round(r.left),Math.round(l+r.top+o))];case 3:return[new Xy(Math.round(r.left+n),Math.round(r.top)),new Xy(Math.round(r.left+n+a),Math.round(r.top)),new Xy(Math.round(r.left+n+a),Math.round(r.height+r.top)),new Xy(Math.round(r.left+n),Math.round(r.height+r.top))];case 1:return[new Xy(Math.round(r.left+n),Math.round(r.top+o)),new Xy(Math.round(r.left+n+a),Math.round(r.top+o)),new Xy(Math.round(r.left+n+a),Math.round(r.top+o+l)),new Xy(Math.round(r.left+n),Math.round(r.top+o+l))];default:return[new Xy(Math.round(s.left),Math.round(s.top)),new Xy(Math.round(s.left+s.width),Math.round(s.top)),new Xy(Math.round(s.left+s.width),Math.round(s.height+s.top)),new Xy(Math.round(s.left),Math.round(s.height+s.top))]}},wb=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),r=this._document.createElement("img"),s=this._document.createElement("span"),n=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",n.appendChild(i),r.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",r.width=1,r.height=1,r.style.margin="0",r.style.padding="0",r.style.verticalAlign="baseline",s.style.fontFamily=e,s.style.fontSize=t,s.style.margin="0",s.style.padding="0",s.appendChild(this._document.createTextNode("Hidden Text")),i.appendChild(s),i.appendChild(r);var o=r.offsetTop-s.offsetTop+2;i.removeChild(s),i.appendChild(this._document.createTextNode("Hidden Text")),i.style.lineHeight="normal",r.style.verticalAlign="super";var a=r.offsetTop-i.offsetTop+2;return n.removeChild(i),{baseline:o,middle:a}},e.prototype.getMetrics=function(e,t){var i=e+" "+t;return void 0===this._data[i]&&(this._data[i]=this.parseMetrics(e,t)),this._data[i]},e}(),Bb=function(e,t){this.context=e,this.options=t},Pb=function(e){function t(t,i){var r=e.call(this,t,i)||this;return r._activeEffects=[],r.canvas=i.canvas?i.canvas:document.createElement("canvas"),r.ctx=r.canvas.getContext("2d"),i.canvas||(r.canvas.width=Math.floor(i.width*i.scale),r.canvas.height=Math.floor(i.height*i.scale),r.canvas.style.width=i.width+"px",r.canvas.style.height=i.height+"px"),r.fontMetrics=new wb(document),r.ctx.scale(r.options.scale,r.options.scale),r.ctx.translate(-i.x,-i.y),r.ctx.textBaseline="bottom",r._activeEffects=[],r.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),r}return Qp(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),nb(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return Hp(this,void 0,void 0,(function(){return jp(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return Hp(this,void 0,void 0,(function(){return jp(this,(function(t){switch(t.label){case 0:return Tm(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var r=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):x_(e.text).reduce((function(t,s){return r.ctx.fillText(s,t,e.bounds.top+i),t+r.ctx.measureText(s).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=kb(e.fontFamily).join(", "),r=Bv(e.fontSize)?""+e.fontSize.number+e.fontSize.unit:e.fontSize.number+"px";return[[e.fontStyle,t,e.fontWeight,r,i].join(" "),i,r]},t.prototype.renderTextNode=function(e,t){return Hp(this,void 0,void 0,(function(){var i,r,s,n,o,a,l,u,c=this;return jp(this,(function(A){return i=this.createFontStyle(t),r=i[0],s=i[1],n=i[2],this.ctx.font=r,this.ctx.direction=1===t.direction?"rtl":"ltr",this.ctx.textAlign="left",this.ctx.textBaseline="alphabetic",o=this.fontMetrics.getMetrics(s,n),a=o.baseline,l=o.middle,u=t.paintOrder,e.textBounds.forEach((function(e){u.forEach((function(i){switch(i){case 0:c.ctx.fillStyle=Kv(t.color),c.renderTextWithLetterSpacing(e,t.letterSpacing,a);var r=t.textShadow;r.length&&e.text.trim().length&&(r.slice(0).reverse().forEach((function(i){c.ctx.shadowColor=Kv(i.color),c.ctx.shadowOffsetX=i.offsetX.number*c.options.scale,c.ctx.shadowOffsetY=i.offsetY.number*c.options.scale,c.ctx.shadowBlur=i.blur.number,c.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),c.ctx.shadowColor="",c.ctx.shadowOffsetX=0,c.ctx.shadowOffsetY=0,c.ctx.shadowBlur=0),t.textDecorationLine.length&&(c.ctx.fillStyle=Kv(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:c.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:c.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:c.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(c.ctx.strokeStyle=Kv(t.webkitTextStrokeColor),c.ctx.lineWidth=t.webkitTextStrokeWidth,c.ctx.lineJoin=window.chrome?"miter":"round",c.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),c.ctx.strokeStyle="",c.ctx.lineWidth=0,c.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var r=vb(e),s=tb(t);this.path(s),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,r.left,r.top,r.width,r.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return Hp(this,void 0,void 0,(function(){var i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_;return jp(this,(function(y){switch(y.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,r=e.curves,s=i.styles,n=0,o=i.textNodes,y.label=1;case 1:return n<o.length?(a=o[n],[4,this.renderTextNode(a,s)]):[3,4];case 2:y.sent(),y.label=3;case 3:return n++,[3,1];case 4:if(!(i instanceof k_))return[3,8];y.label=5;case 5:return y.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return v=y.sent(),this.renderReplacedElement(i,r,v),[3,8];case 7:return y.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof I_&&this.renderReplacedElement(i,r,i.canvas),!(i instanceof D_))return[3,12];y.label=9;case 9:return y.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return v=y.sent(),this.renderReplacedElement(i,r,v),[3,12];case 11:return y.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof V_&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=y.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),y.label=14;case 14:if(i instanceof O_&&(u=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new Xy(i.bounds.left+.39363*u,i.bounds.top+.79*u),new Xy(i.bounds.left+.16*u,i.bounds.top+.5549*u),new Xy(i.bounds.left+.27347*u,i.bounds.top+.44071*u),new Xy(i.bounds.left+.39694*u,i.bounds.top+.5649*u),new Xy(i.bounds.left+.72983*u,i.bounds.top+.23*u),new Xy(i.bounds.left+.84*u,i.bounds.top+.34085*u),new Xy(i.bounds.left+.39363*u,i.bounds.top+.79*u)]),this.ctx.fillStyle=Kv(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+u/2,i.bounds.top+u/2,u/4,0,2*Math.PI,!0),this.ctx.fillStyle=Kv(707406591),this.ctx.fill(),this.ctx.restore())),Cb(i)&&i.value.length){switch(c=this.createFontStyle(s),m=c[0],A=c[1],h=this.fontMetrics.getMetrics(m,A).baseline,this.ctx.font=m,this.ctx.fillStyle=Kv(s.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=Eb(i.styles.textAlign),_=vb(i),d=0,i.styles.textAlign){case 1:d+=_.width/2;break;case 2:d+=_.width}p=_.add(d,0,0,-_.height/2+1),this.ctx.save(),this.path([new Xy(_.left,_.top),new Xy(_.left+_.width,_.top),new Xy(_.left+_.width,_.top+_.height),new Xy(_.left,_.top+_.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new __(i.value,p),s.letterSpacing,h),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!Tm(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];v=void 0,g=f.url,y.label=15;case 15:return y.trys.push([15,17,,18]),[4,this.context.cache.match(g)];case 16:return v=y.sent(),this.ctx.drawImage(v,i.bounds.left-(v.width+10),i.bounds.top),[3,18];case 17:return y.sent(),this.context.logger.error("Error loading list-style-image "+g),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(m=this.createFontStyle(s)[0],this.ctx.font=m,this.ctx.fillStyle=Kv(s.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",_=new zp(i.bounds.left,i.bounds.top+Qv(i.styles.paddingTop,i.bounds.width),i.bounds.width,Zg(s.lineHeight,s.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new __(e.listValue,_),s.letterSpacing,Zg(s.lineHeight,s.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),y.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return Hp(this,void 0,void 0,(function(){var t,i,r,s,n,o,a,l,u,c,A,h,d,p,f;return jp(this,(function(v){switch(v.label){case 0:return Tm(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:v.sent(),t=0,i=e.negativeZIndex,v.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:v.sent(),v.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:v.sent(),r=0,s=e.nonInlineLevel,v.label=7;case 7:return r<s.length?(f=s[r],[4,this.renderNode(f)]):[3,10];case 8:v.sent(),v.label=9;case 9:return r++,[3,7];case 10:n=0,o=e.nonPositionedFloats,v.label=11;case 11:return n<o.length?(f=o[n],[4,this.renderStack(f)]):[3,14];case 12:v.sent(),v.label=13;case 13:return n++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,v.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:v.sent(),v.label=17;case 17:return a++,[3,15];case 18:u=0,c=e.inlineLevel,v.label=19;case 19:return u<c.length?(f=c[u],[4,this.renderNode(f)]):[3,22];case 20:v.sent(),v.label=21;case 21:return u++,[3,19];case 22:A=0,h=e.zeroOrAutoZIndexOrTransformedOrOpacity,v.label=23;case 23:return A<h.length?(f=h[A],[4,this.renderStack(f)]):[3,26];case 24:v.sent(),v.label=25;case 25:return A++,[3,23];case 26:d=0,p=e.positiveZIndex,v.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:v.sent(),v.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var r=Zy(e)?e.start:e;0===i?t.ctx.moveTo(r.x,r.y):t.ctx.lineTo(r.x,r.y),Zy(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,r){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,r),this.ctx.fill(),this.ctx.translate(-i,-r)},t.prototype.resizeImage=function(e,t,i){var r;if(e.width===t&&e.height===i)return e;var s=(null!==(r=this.canvas.ownerDocument)&&void 0!==r?r:document).createElement("canvas");return s.width=Math.max(1,t),s.height=Math.max(1,i),s.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),s},t.prototype.renderBackgroundImage=function(e){return Hp(this,void 0,void 0,(function(){var t,i,r,s,n,o;return jp(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,x,w,B,P,C,M,E,F,k,I,D,S,T;return jp(this,(function(L){switch(L.label){case 0:if(0!==i.type)return[3,5];s=void 0,n=i.url,L.label=1;case 1:return L.trys.push([1,3,,4]),[4,r.context.cache.match(n)];case 2:return s=L.sent(),[3,4];case 3:return L.sent(),r.context.logger.error("Error loading background-image "+n),[3,4];case 4:return s&&(o=gb(e,t,[s.width,s.height,s.width/s.height]),_=o[0],P=o[1],C=o[2],x=o[3],w=o[4],g=r.ctx.createPattern(r.resizeImage(s,x,w),"repeat"),r.renderRepeat(_,g,P,C)),[3,6];case 5:1===i.type?(a=gb(e,t,[null,null,null]),_=a[0],P=a[1],C=a[2],x=a[3],w=a[4],l=og(i.angle,x,w),u=l[0],c=l[1],A=l[2],h=l[3],d=l[4],(p=document.createElement("canvas")).width=x,p.height=w,f=p.getContext("2d"),v=f.createLinearGradient(c,h,A,d),ng(i.stops,u).forEach((function(e){return v.addColorStop(e.stop,Kv(e.color))})),f.fillStyle=v,f.fillRect(0,0,x,w),x>0&&w>0&&(g=r.ctx.createPattern(p,"repeat"),r.renderRepeat(_,g,P,C))):function(e){return 2===e.type}(i)&&(m=gb(e,t,[null,null,null]),_=m[0],y=m[1],b=m[2],x=m[3],w=m[4],B=0===i.position.length?[Uv]:i.position,P=Qv(B[0],x),C=Qv(B[B.length-1],w),M=function(e,t,i,r,s){var n=0,o=0;switch(e.size){case 0:0===e.shape?n=o=Math.min(Math.abs(t),Math.abs(t-r),Math.abs(i),Math.abs(i-s)):1===e.shape&&(n=Math.min(Math.abs(t),Math.abs(t-r)),o=Math.min(Math.abs(i),Math.abs(i-s)));break;case 2:if(0===e.shape)n=o=Math.min(ag(t,i),ag(t,i-s),ag(t-r,i),ag(t-r,i-s));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-s))/Math.min(Math.abs(t),Math.abs(t-r)),l=lg(r,s,t,i,!0),u=l[0],c=l[1];o=a*(n=ag(u-t,(c-i)/a))}break;case 1:0===e.shape?n=o=Math.max(Math.abs(t),Math.abs(t-r),Math.abs(i),Math.abs(i-s)):1===e.shape&&(n=Math.max(Math.abs(t),Math.abs(t-r)),o=Math.max(Math.abs(i),Math.abs(i-s)));break;case 3:if(0===e.shape)n=o=Math.max(ag(t,i),ag(t,i-s),ag(t-r,i),ag(t-r,i-s));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-s))/Math.max(Math.abs(t),Math.abs(t-r));var A=lg(r,s,t,i,!1);u=A[0],c=A[1],o=a*(n=ag(u-t,(c-i)/a))}}return Array.isArray(e.size)&&(n=Qv(e.size[0],r),o=2===e.size.length?Qv(e.size[1],s):n),[n,o]}(i,P,C,x,w),E=M[0],F=M[1],E>0&&F>0&&(k=r.ctx.createRadialGradient(y+P,b+C,0,y+P,b+C,E),ng(i.stops,2*E).forEach((function(e){return k.addColorStop(e.stop,Kv(e.color))})),r.path(_),r.ctx.fillStyle=k,E!==F?(I=e.bounds.left+.5*e.bounds.width,D=e.bounds.top+.5*e.bounds.height,T=1/(S=F/E),r.ctx.save(),r.ctx.translate(I,D),r.ctx.transform(1,0,0,S,0,0),r.ctx.translate(-I,-D),r.ctx.fillRect(y,T*(b-D)+D,x,w*T),r.ctx.restore()):r.ctx.fill())),L.label=6;case 6:return t--,[2]}}))},r=this,s=0,n=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return s<n.length?(o=n[s],[5,i(o)]):[3,4];case 2:a.sent(),a.label=3;case 3:return s++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return Hp(this,void 0,void 0,(function(){return jp(this,(function(r){return this.path(hb(i,t)),this.ctx.fillStyle=Kv(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,r){return Hp(this,void 0,void 0,(function(){var s,n;return jp(this,(function(o){switch(o.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,r)]:[3,2];case 1:return o.sent(),[2];case 2:return s=function(e,t){switch(t){case 0:return pb(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return pb(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return pb(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return pb(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(r,i),this.path(s),this.ctx.fillStyle=Kv(e),this.ctx.fill(),n=function(e,t){switch(t){case 0:return pb(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return pb(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return pb(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return pb(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(r,i),this.path(n),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return Hp(this,void 0,void 0,(function(){var t,i,r,s,n,o,a,l,u=this;return jp(this,(function(c){switch(c.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!Wv(t.backgroundColor)||t.backgroundImage.length,r=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],s=Mb(bb(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(s),this.ctx.clip(),Wv(t.backgroundColor)||(this.ctx.fillStyle=Kv(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:c.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){u.ctx.save();var i,r,s,n,o,a=eb(e.curves),l=t.inset?0:1e4,c=(i=a,r=-l+(t.inset?1:-1)*t.spread.number,s=(t.inset?1:-1)*t.spread.number,n=t.spread.number*(t.inset?-2:2),o=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(r,s);case 1:return e.add(r+n,s);case 2:return e.add(r+n,s+o);case 3:return e.add(r,s+o)}return e})));t.inset?(u.path(a),u.ctx.clip(),u.mask(c)):(u.mask(a),u.ctx.clip(),u.path(c)),u.ctx.shadowOffsetX=t.offsetX.number+l,u.ctx.shadowOffsetY=t.offsetY.number,u.ctx.shadowColor=Kv(t.color),u.ctx.shadowBlur=t.blur.number,u.ctx.fillStyle=t.inset?Kv(t.color):"rgba(0,0,0,1)",u.ctx.fill(),u.ctx.restore()})),c.label=2;case 2:n=0,o=0,a=r,c.label=3;case 3:return o<a.length?0!==(l=a[o]).style&&!Wv(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,n,e.curves,2)]:[3,11]:[3,13];case 4:return c.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,n,e.curves,3)];case 6:return c.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,n,e.curves)];case 8:return c.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,n,e.curves)];case 10:c.sent(),c.label=11;case 11:n++,c.label=12;case 12:return o++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,r,s){return Hp(this,void 0,void 0,(function(){var n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y;return jp(this,(function(b){return this.ctx.save(),n=function(e,t){switch(t){case 0:return db(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return db(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return db(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return db(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(r,i),o=hb(r,i),2===s&&(this.path(o),this.ctx.clip()),Zy(o[0])?(a=o[0].start.x,l=o[0].start.y):(a=o[0].x,l=o[0].y),Zy(o[1])?(u=o[1].end.x,c=o[1].end.y):(u=o[1].x,c=o[1].y),A=0===i||2===i?Math.abs(a-u):Math.abs(l-c),this.ctx.beginPath(),3===s?this.formatPath(n):this.formatPath(o.slice(0,2)),h=t<3?3*t:2*t,d=t<3?2*t:t,3===s&&(h=t,d=t),p=!0,A<=2*h?p=!1:A<=2*h+d?(h*=f=A/(2*h+d),d*=f):(v=Math.floor((A+d)/(h+d)),g=(A-v*h)/(v-1),d=(m=(A-(v+1)*h)/v)<=0||Math.abs(d-g)<Math.abs(d-m)?g:m),p&&(3===s?this.ctx.setLineDash([0,h+d]):this.ctx.setLineDash([h,d])),3===s?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=Kv(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===s&&(Zy(o[0])&&(_=o[3],y=o[0],this.ctx.beginPath(),this.formatPath([new Xy(_.end.x,_.end.y),new Xy(y.start.x,y.start.y)]),this.ctx.stroke()),Zy(o[1])&&(_=o[1],y=o[2],this.ctx.beginPath(),this.formatPath([new Xy(_.end.x,_.end.y),new Xy(y.start.x,y.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return Hp(this,void 0,void 0,(function(){var t;return jp(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=Kv(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),t=Ab(e),[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}}))}))},t}(Bb),Cb=function(e){return e instanceof Q_||(e instanceof N_||e instanceof O_&&"radio"!==e.type&&"checkbox"!==e.type)},Mb=function(e,t){switch(e){case 0:return eb(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return tb(t)}},Eb=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},Fb=["-apple-system","system-ui"],kb=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===Fb.indexOf(e)})):e},Ib=function(e){function t(t,i){var r=e.call(this,t,i)||this;return r.canvas=i.canvas?i.canvas:document.createElement("canvas"),r.ctx=r.canvas.getContext("2d"),r.options=i,r.canvas.width=Math.floor(i.width*i.scale),r.canvas.height=Math.floor(i.height*i.scale),r.canvas.style.width=i.width+"px",r.canvas.style.height=i.height+"px",r.ctx.scale(r.options.scale,r.options.scale),r.ctx.translate(-i.x,-i.y),r.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),r}return Qp(t,e),t.prototype.render=function(e){return Hp(this,void 0,void 0,(function(){var t,i;return jp(this,(function(r){switch(r.label){case 0:return t=v_(this.options.width*this.options.scale,this.options.height*this.options.scale,this.options.scale,this.options.scale,e),[4,Db(t)];case 1:return 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r=Math.max(Math.max(t.scrollWidth,i.scrollWidth),Math.max(t.offsetWidth,i.offsetWidth),Math.max(t.clientWidth,i.clientWidth)),s=Math.max(Math.max(t.scrollHeight,i.scrollHeight),Math.max(t.offsetHeight,i.offsetHeight),Math.max(t.clientHeight,i.clientHeight));return new zp(0,0,r,s)}(h.ownerDocument):Wp(l,h),f=p.width,v=p.height,g=p.left,m=p.top,_=Ub(l,h,t.backgroundColor),y={canvas:t.canvas,backgroundColor:_,scale:null!==(L=null!==(T=t.scale)&&void 0!==T?T:r.devicePixelRatio)&&void 0!==L?L:1,x:(null!==(R=t.x)&&void 0!==R?R:0)+g,y:(null!==(U=t.y)&&void 0!==U?U:0)+m,width:null!==(O=t.width)&&void 0!==O?O:Math.ceil(f),height:null!==(N=t.height)&&void 0!==N?N:Math.ceil(v)},u?(l.logger.debug("Document cloned, using foreign object rendering"),[4,new Ib(l,y).render(h)]):[3,3];case 2:return b=V.sent(),[3,5];case 3:return l.logger.debug("Document cloned, element located at "+g+","+m+" with size "+f+"x"+v+" using computed rendering"),l.logger.debug("Starting DOM 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Up(this,this.scene),this.id=t.id||this.scene.id,this.camera=this.scene.camera,this.cameraFlight=new Pd(this.scene,{duration:.5}),this.cameraControl=new Dp(this.scene,{doublePickFlyTo:!0}),this._plugins=[],this._eventSubs={}}var t;return C(e,[{key:"capabilities",get:function(){return this.scene.capabilities}},{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"log",value:function(e){console.log("[xeokit viewer ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit viewer ".concat(this.id,"]: ").concat(e))}},{key:"addPlugin",value:function(e){this._plugins.push(e)}},{key:"removePlugin",value:function(e){for(var t=0,i=this._plugins.length;t<i;t++){var r=this._plugins[t];if(r===e)return r.clear&&r.clear(),void 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CP(){return(CP=u(a().mark((function e(t,i){var r,s,n,o,l,u;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if("auto"!==i.basis.containerFormat){e.next=11;break}if(!BP(t)){e.next=6;break}return e.next=4,$B(i);case 4:return r=e.sent,e.abrupt("return",FP(r.KTX2File,t,i));case 6:return e.next=8,XB(i);case 8:return s=e.sent,n=s.BasisFile,e.abrupt("return",MP(n,t,i));case 11:e.t0=i.basis.module,e.next="encoder"===e.t0?14:(e.t0,22);break;case 14:return e.next=16,$B(i);case 16:o=e.sent,e.t1=i.basis.containerFormat,e.next="ktx2"===e.t1?20:(e.t1,21);break;case 20:return e.abrupt("return",FP(o.KTX2File,t,i));case 21:return e.abrupt("return",MP(o.BasisFile,t,i));case 22:return e.next=24,XB(i);case 24:return l=e.sent,u=l.BasisFile,e.abrupt("return",MP(u,t,i));case 27:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function MP(e,t,i){var r=new e(new Uint8Array(t));try{if(!r.startTranscoding())throw new Error("Failed to start basis transcoding");for(var s=r.getNumImages(),n=[],o=0;o<s;o++){for(var a=r.getNumLevels(o),l=[],u=0;u<a;u++)l.push(EP(r,o,u,i));n.push(l)}return n}finally{r.close(),r.delete()}}function EP(e,t,i,r){var s=e.getImageWidth(t,i),n=e.getImageHeight(t,i),o=e.getHasAlpha(),a=IP(r,o),l=a.compressed,u=a.format,c=a.basisFormat,A=e.getImageTranscodedSizeInBytes(t,i,c),h=new Uint8Array(A);if(!e.transcodeImage(h,t,i,c,0,0))throw new Error("failed to start Basis transcoding");return{width:s,height:n,data:h,compressed:l,format:u,hasAlpha:o}}function FP(e,t,i){var r=new e(new Uint8Array(t));try{if(!r.startTranscoding())throw new Error("failed to start KTX2 transcoding");for(var s=r.getLevels(),n=[],o=0;o<s;o++){n.push(kP(r,o,i));break}return[n]}finally{r.close(),r.delete()}}function kP(e,t,i){var r=e.getImageLevelInfo(t,0,0),s=r.alphaFlag,n=r.height,o=r.width,a=IP(i,s),l=a.compressed,u=a.format,c=a.basisFormat,A=e.getImageTranscodedSizeInBytes(t,0,0,c),h=new Uint8Array(A);if(!e.transcodeImage(h,t,0,0,c,0,-1,-1))throw new Error("Failed to transcode KTX2 image");return{width:o,height:n,data:h,compressed:l,hasAlpha:s,format:u}}function IP(e,t){var i=e&&e.basis&&e.basis.format;return"auto"===i&&(i=DP()),"object"===w(i)&&(i=t?i.alpha:i.noAlpha),i=i.toLowerCase(),PP[i]}function DP(){var e=xP();return e.has("astc")?"astc-4x4":e.has("dxt")?{alpha:"bc3",noAlpha:"bc1"}:e.has("pvrtc")?{alpha:"pvrtc1-4-rgba",noAlpha:"pvrtc1-4-rgb"}:e.has("etc1")?"etc1":e.has("etc2")?"etc2":"rgb565"}var SP=n(n({},{name:"Basis",id:"basis",module:"textures",version:"3.2.6",worker:!0,extensions:["basis","ktx2"],mimeTypes:["application/octet-stream","image/ktx2"],tests:["sB"],binary:!0,options:{basis:{format:"auto",libraryPath:"libs/",containerFormat:"auto",module:"transcoder"}}}),{},{parse:function(e,t){return CP.apply(this,arguments)}}),TP=globalThis._parseImageNode,LP="undefined"!=typeof Image,RP="undefined"!=typeof ImageBitmap,UP=Boolean(TP),OP=!!Qb||UP;function NP(e){var t=function(e){if("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap)return"imagebitmap";if("undefined"!=typeof Image&&e instanceof Image)return"image";if(e&&"object"===w(e)&&e.data&&e.width&&e.height)return"data";return null}(e);if(!t)throw new Error("Not an image");return t}function QP(e){switch(NP(e)){case"data":return e;case"image":case"imagebitmap":var t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}var VP=/^data:image\/svg\+xml/,HP=/\.svg((\?|#).*)?$/;function jP(e){return e&&(VP.test(e)||HP.test(e))}function GP(e,t){if(jP(t)){var i=(new TextDecoder).decode(e);try{"function"==typeof unescape&&"function"==typeof encodeURIComponent&&(i=unescape(encodeURIComponent(i)))}catch(e){throw new Error(e.message)}return"data:image/svg+xml;base64,".concat(btoa(i))}return zP(e,t)}function zP(e,t){if(jP(t))throw new Error("SVG cannot be parsed directly to imagebitmap");return new Blob([new Uint8Array(e)])}function WP(e,t,i){return KP.apply(this,arguments)}function KP(){return(KP=u(a().mark((function e(t,i,r){var s,n,o;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return s=GP(t,r),n=self.URL||self.webkitURL,o="string"!=typeof s&&n.createObjectURL(s),e.prev=3,e.next=6,XP(o||s,i);case 6:return e.abrupt("return",e.sent);case 7:return e.prev=7,o&&n.revokeObjectURL(o),e.finish(7);case 10:case"end":return e.stop()}}),e,null,[[3,,7,10]])})))).apply(this,arguments)}function XP(e,t){return YP.apply(this,arguments)}function YP(){return YP=u(a().mark((function e(t,i){var r;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if((r=new Image).src=t,!(i.image&&i.image.decode&&r.decode)){e.next=6;break}return e.next=5,r.decode();case 5:return e.abrupt("return",r);case 6:return e.next=8,new Promise((function(e,i){try{r.onload=function(){return e(r)},r.onerror=function(e){return i(new Error("Could not load image ".concat(t,": ").concat(e)))}}catch(e){i(e)}}));case 8:return e.abrupt("return",e.sent);case 9:case"end":return e.stop()}}),e)}))),YP.apply(this,arguments)}var JP={},ZP=!0;function qP(e,t,i){return $P.apply(this,arguments)}function $P(){return($P=u(a().mark((function e(t,i,r){var s,n,o;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(!jP(r)){e.next=7;break}return e.next=3,WP(t,i,r);case 3:n=e.sent,s=n,e.next=8;break;case 7:s=zP(t,r);case 8:return o=i&&i.imagebitmap,e.next=11,eC(s,o);case 11:return e.abrupt("return",e.sent);case 12:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function eC(e){return tC.apply(this,arguments)}function tC(){return tC=u(a().mark((function e(t){var i,r=arguments;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(!iC(i=r.length>1&&void 0!==r[1]?r[1]:null)&&ZP||(i=null),!i){e.next=13;break}return e.prev=3,e.next=6,createImageBitmap(t,i);case 6:return e.abrupt("return",e.sent);case 9:e.prev=9,e.t0=e.catch(3),console.warn(e.t0),ZP=!1;case 13:return e.next=15,createImageBitmap(t);case 15:return e.abrupt("return",e.sent);case 16:case"end":return e.stop()}}),e,null,[[3,9]])}))),tC.apply(this,arguments)}function iC(e){for(var t in e||JP)return!1;return!0}function rC(e){var t=sC(e);return function(e){var t=sC(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){var t=sC(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;var i=function(){for(var e=new Set([65499,65476,65484,65501,65534]),t=65504;t<65520;++t)e.add(t);var i=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:i}}(),r=i.tableMarkers,s=i.sofMarkers,n=2;for(;n+9<t.byteLength;){var o=t.getUint16(n,false);if(s.has(o))return{mimeType:"image/jpeg",height:t.getUint16(n+5,false),width:t.getUint16(n+7,false)};if(!r.has(o))return null;n+=2,n+=t.getUint16(n,false)}return null}(t)||function(e){var t=sC(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){var t=sC(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function sC(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}function nC(e,t){return oC.apply(this,arguments)}function oC(){return oC=u(a().mark((function e(t,i){var r,s,n;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return r=rC(t)||{},s=r.mimeType,Nb(n=globalThis._parseImageNode),e.next=5,n(t,s);case 5:return e.abrupt("return",e.sent);case 6:case"end":return e.stop()}}),e)}))),oC.apply(this,arguments)}function aC(){return(aC=u(a().mark((function e(t,i,r){var s,n,o,l,u;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:s=(i=i||{}).image||{},n=s.type||"auto",o=(r||{}).url,l=lC(n),e.t0=l,e.next="imagebitmap"===e.t0?8:"image"===e.t0?12:"data"===e.t0?16:20;break;case 8:return e.next=10,qP(t,i,o);case 10:return u=e.sent,e.abrupt("break",21);case 12:return e.next=14,WP(t,i,o);case 14:return u=e.sent,e.abrupt("break",21);case 16:return e.next=18,nC(t);case 18:return u=e.sent,e.abrupt("break",21);case 20:Nb(!1);case 21:return"data"===n&&(u=QP(u)),e.abrupt("return",u);case 23:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function lC(e){switch(e){case"auto":case"data":return function(){if(RP)return"imagebitmap";if(LP)return"image";if(OP)return"data";throw new Error("Install '@loaders.gl/polyfills' to parse images under Node.js")}();default:return function(e){switch(e){case"auto":return RP||LP||OP;case"imagebitmap":return RP;case"image":return LP;case"data":return OP;default:throw new Error("@loaders.gl/images: image ".concat(e," not supported in this environment"))}}(e),e}}var uC={id:"image",module:"images",name:"Images",version:"3.2.6",mimeTypes:["image/png","image/jpeg","image/gif","image/webp","image/bmp","image/vnd.microsoft.icon","image/svg+xml"],extensions:["png","jpg","jpeg","gif","webp","bmp","ico","svg"],parse:function(e,t,i){return aC.apply(this,arguments)},tests:[function(e){return Boolean(rC(new DataView(e)))}],options:{image:{type:"auto",decode:!0}}},cC=["image/png","image/jpeg","image/gif"],AC={};function hC(e){return void 0===AC[e]&&(AC[e]=function(e){switch(e){case"image/webp":return function(){if(!Qb)return!1;try{return 0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch(e){return!1}}();case"image/svg":return Qb;default:if(!Qb){var t=globalThis._parseImageNode;return Boolean(t)&&cC.includes(e)}return!0}}(e)),AC[e]}function dC(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function pC(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;var i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}function fC(e,t,i){var r=e.bufferViews[i];dC(r);var s=t[r.buffer];dC(s);var n=(r.byteOffset||0)+s.byteOffset;return new Uint8Array(s.arrayBuffer,n,r.byteLength)}var vC=["SCALAR","VEC2","VEC3","VEC4"],gC=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],mC=new Map(gC),_C={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},yC={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},bC={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function xC(e){return vC[e-1]||vC[0]}function wC(e){var t=mC.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function BC(e,t){var i=bC[e.componentType],r=_C[e.type],s=yC[e.componentType],n=e.count*r,o=e.count*r*s;return dC(o>=0&&o<=t.byteLength),{ArrayType:i,length:n,byteLength:o}}var PC,CC={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]},MC=function(){function e(t){B(this,e),Yb(this,"gltf",void 0),Yb(this,"sourceBuffers",void 0),Yb(this,"byteLength",void 0),this.gltf=t||{json:n({},CC),buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}return C(e,[{key:"json",get:function(){return this.gltf.json}},{key:"getApplicationData",value:function(e){return this.json[e]}},{key:"getExtraData",value:function(e){return(this.json.extras||{})[e]}},{key:"getExtension",value:function(e){var t=this.getUsedExtensions().find((function(t){return t===e})),i=this.json.extensions||{};return t?i[e]||!0:null}},{key:"getRequiredExtension",value:function(e){var t=this.getRequiredExtensions().find((function(t){return t===e}));return t?this.getExtension(e):null}},{key:"getRequiredExtensions",value:function(){return this.json.extensionsRequired||[]}},{key:"getUsedExtensions",value:function(){return this.json.extensionsUsed||[]}},{key:"getObjectExtension",value:function(e,t){return(e.extensions||{})[t]}},{key:"getScene",value:function(e){return this.getObject("scenes",e)}},{key:"getNode",value:function(e){return this.getObject("nodes",e)}},{key:"getSkin",value:function(e){return this.getObject("skins",e)}},{key:"getMesh",value:function(e){return this.getObject("meshes",e)}},{key:"getMaterial",value:function(e){return this.getObject("materials",e)}},{key:"getAccessor",value:function(e){return this.getObject("accessors",e)}},{key:"getTexture",value:function(e){return this.getObject("textures",e)}},{key:"getSampler",value:function(e){return this.getObject("samplers",e)}},{key:"getImage",value:function(e){return this.getObject("images",e)}},{key:"getBufferView",value:function(e){return this.getObject("bufferViews",e)}},{key:"getBuffer",value:function(e){return this.getObject("buffers",e)}},{key:"getObject",value:function(e,t){if("object"===w(t))return t;var i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}},{key:"getTypedArrayForBufferView",value:function(e){var t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];dC(i);var r=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,r,e.byteLength)}},{key:"getTypedArrayForAccessor",value:function(e){e=this.getAccessor(e);var t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,r=BC(e,t),s=r.ArrayType,n=r.length;return new s(i,t.byteOffset+e.byteOffset,n)}},{key:"getTypedArrayForImageData",value:function(e){e=this.getAccessor(e);var t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,r=t.byteOffset||0;return new Uint8Array(i,r,t.byteLength)}},{key:"addApplicationData",value:function(e,t){return this.json[e]=t,this}},{key:"addExtraData",value:function(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}},{key:"addObjectExtension",value:function(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}},{key:"setObjectExtension",value:function(e,t,i){(e.extensions||{})[t]=i}},{key:"removeObjectExtension",value:function(e,t){var i=e.extensions||{},r=i[t];return delete i[t],r}},{key:"addExtension",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return dC(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}},{key:"addRequiredExtension",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return dC(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}},{key:"registerUsedExtension",value:function(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((function(t){return t===e}))||this.json.extensionsUsed.push(e)}},{key:"registerRequiredExtension",value:function(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((function(t){return t===e}))||this.json.extensionsRequired.push(e)}},{key:"removeExtension",value:function(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}},{key:"setDefaultScene",value:function(e){this.json.scene=e}},{key:"addScene",value:function(e){var t=e.nodeIndices;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}},{key:"addNode",value:function(e){var t=e.meshIndex,i=e.matrix;this.json.nodes=this.json.nodes||[];var r={mesh:t};return i&&(r.matrix=i),this.json.nodes.push(r),this.json.nodes.length-1}},{key:"addMesh",value:function(e){var t=e.attributes,i=e.indices,r=e.material,s=e.mode,n=void 0===s?4:s,o={primitives:[{attributes:this._addAttributes(t),mode:n}]};if(i){var a=this._addIndices(i);o.primitives[0].indices=a}return Number.isFinite(r)&&(o.primitives[0].material=r),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}},{key:"addPointCloud",value:function(e){var t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}},{key:"addImage",value:function(e,t){var i=rC(e),r=t||(null==i?void 0:i.mimeType),s={bufferView:this.addBufferView(e),mimeType:r};return this.json.images=this.json.images||[],this.json.images.push(s),this.json.images.length-1}},{key:"addBufferView",value:function(e){var t=e.byteLength;dC(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);var i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=Fx(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}},{key:"addAccessor",value:function(e,t){var i={bufferView:e,type:xC(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}},{key:"addBinaryBuffer",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{size:3},i=this.addBufferView(e),r={min:t.min,max:t.max};r.min&&r.max||(r=this._getAccessorMinMax(e,t.size));var s={size:t.size,componentType:wC(e),count:Math.round(e.length/t.size),min:r.min,max:r.max};return this.addAccessor(i,Object.assign(s,t))}},{key:"addTexture",value:function(e){var t={source:e.imageIndex};return this.json.textures=this.json.textures||[],this.json.textures.push(t),this.json.textures.length-1}},{key:"addMaterial",value:function(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}},{key:"createBinaryChunk",value:function(){var e,t;this.gltf.buffers=[];var i,r=this.byteLength,s=new ArrayBuffer(r),n=new Uint8Array(s),o=0,a=c(this.sourceBuffers||[]);try{for(a.s();!(i=a.n()).done;){o=kx(i.value,n,o)}}catch(e){a.e(e)}finally{a.f()}null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=r:this.json.buffers=[{byteLength:r}],this.gltf.binary=s,this.sourceBuffers=[s]}},{key:"_removeStringFromArray",value:function(e,t){for(var i=!0;i;){var r=e.indexOf(t);r>-1?e.splice(r,1):i=!1}}},{key:"_addAttributes",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t={};for(var i in e){var r=e[i],s=this._getGltfAttributeName(i),n=this.addBinaryBuffer(r.value,r);t[s]=n}return t}},{key:"_addIndices",value:function(e){return this.addBinaryBuffer(e,{size:1})}},{key:"_getGltfAttributeName",value:function(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}},{key:"_getAccessorMinMax",value:function(e,t){var i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];var r,s=c(e.subarray(0,t));try{for(s.s();!(r=s.n()).done;){var n=r.value;i.min.push(n),i.max.push(n)}}catch(e){s.e(e)}finally{s.f()}for(var o=t;o<e.length;o+=t)for(var a=0;a<t;a++)i.min[0+a]=Math.min(i.min[0+a],e[o+a]),i.max[0+a]=Math.max(i.max[0+a],e[o+a]);return i}}]),e}(),EC="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",FC="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t,i={},r=c(e);try{for(r.s();!(t=r.n()).done;){var s=t.value;i[s.name]&&console.warn("Schema: duplicated field name",s.name,s),i[s.name]=!0}}catch(e){r.e(e)}finally{r.f()}}(t),this.fields=t,this.metadata=i||new Map}return C(e,[{key:"compareTo",value:function(e){if(this.metadata!==e.metadata)return!1;if(this.fields.length!==e.fields.length)return!1;for(var t=0;t<this.fields.length;++t)if(!this.fields[t].compareTo(e.fields[t]))return!1;return!0}},{key:"select",value:function(){for(var t=Object.create(null),i=arguments.length,r=new Array(i),s=0;s<i;s++)r[s]=arguments[s];for(var n=0,o=r;n<o.length;n++){var a=o[n];t[a]=!0}var l=this.fields.filter((function(e){return t[e.name]}));return new e(l,this.metadata)}},{key:"selectAt",value:function(){for(var t=this,i=arguments.length,r=new Array(i),s=0;s<i;s++)r[s]=arguments[s];var n=r.map((function(e){return t.fields[e]})).filter(Boolean);return new e(n,this.metadata)}},{key:"assign",value:function(t){var i,r=this.metadata;if(t instanceof e){var s=t;i=s.fields,r=ZC(ZC(new Map,this.metadata),s.metadata)}else i=t;var n,o=Object.create(null),a=c(this.fields);try{for(a.s();!(n=a.n()).done;){var l=n.value;o[l.name]=l}}catch(e){a.e(e)}finally{a.f()}var u,A=c(i);try{for(A.s();!(u=A.n()).done;){var h=u.value;o[h.name]=h}}catch(e){A.e(e)}finally{A.f()}return new e(Object.values(o),r)}}]),e}();function ZC(e,t){return new Map([].concat(h(e||new Map),h(t||new Map)))}var qC,$C=function(){function e(t,i){var r=arguments.length>2&&void 0!==arguments[2]&&arguments[2],s=arguments.length>3&&void 0!==arguments[3]?arguments[3]:new Map;B(this,e),Yb(this,"name",void 0),Yb(this,"type",void 0),Yb(this,"nullable",void 0),Yb(this,"metadata",void 0),this.name=t,this.type=i,this.nullable=r,this.metadata=s}return C(e,[{key:"typeId",get:function(){return this.type&&this.type.typeId}},{key:"clone",value:function(){return new e(this.name,this.type,this.nullable,this.metadata)}},{key:"compareTo",value:function(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}},{key:"toString",value:function(){return"".concat(this.type).concat(this.nullable?", nullable":"").concat(this.metadata?", metadata: ".concat(this.metadata):"")}}]),e}();!function(e){e[e.NONE=0]="NONE",e[e.Null=1]="Null",e[e.Int=2]="Int",e[e.Float=3]="Float",e[e.Binary=4]="Binary",e[e.Utf8=5]="Utf8",e[e.Bool=6]="Bool",e[e.Decimal=7]="Decimal",e[e.Date=8]="Date",e[e.Time=9]="Time",e[e.Timestamp=10]="Timestamp",e[e.Interval=11]="Interval",e[e.List=12]="List",e[e.Struct=13]="Struct",e[e.Union=14]="Union",e[e.FixedSizeBinary=15]="FixedSizeBinary",e[e.FixedSizeList=16]="FixedSizeList",e[e.Map=17]="Map",e[e.Dictionary=-1]="Dictionary",e[e.Int8=-2]="Int8",e[e.Int16=-3]="Int16",e[e.Int32=-4]="Int32",e[e.Int64=-5]="Int64",e[e.Uint8=-6]="Uint8",e[e.Uint16=-7]="Uint16",e[e.Uint32=-8]="Uint32",e[e.Uint64=-9]="Uint64",e[e.Float16=-10]="Float16",e[e.Float32=-11]="Float32",e[e.Float64=-12]="Float64",e[e.DateDay=-13]="DateDay",e[e.DateMillisecond=-14]="DateMillisecond",e[e.TimestampSecond=-15]="TimestampSecond",e[e.TimestampMillisecond=-16]="TimestampMillisecond",e[e.TimestampMicrosecond=-17]="TimestampMicrosecond",e[e.TimestampNanosecond=-18]="TimestampNanosecond",e[e.TimeSecond=-19]="TimeSecond",e[e.TimeMillisecond=-20]="TimeMillisecond",e[e.TimeMicrosecond=-21]="TimeMicrosecond",e[e.TimeNanosecond=-22]="TimeNanosecond",e[e.DenseUnion=-23]="DenseUnion",e[e.SparseUnion=-24]="SparseUnion",e[e.IntervalDayTime=-25]="IntervalDayTime",e[e.IntervalYearMonth=-26]="IntervalYearMonth"}(qC||(qC={}));var eM=function(){function e(){B(this,e)}return C(e,[{key:"typeId",get:function(){return qC.NONE}},{key:"compareTo",value:function(e){return this===e}}],[{key:"isNull",value:function(e){return e&&e.typeId===qC.Null}},{key:"isInt",value:function(e){return e&&e.typeId===qC.Int}},{key:"isFloat",value:function(e){return e&&e.typeId===qC.Float}},{key:"isBinary",value:function(e){return e&&e.typeId===qC.Binary}},{key:"isUtf8",value:function(e){return e&&e.typeId===qC.Utf8}},{key:"isBool",value:function(e){return e&&e.typeId===qC.Bool}},{key:"isDecimal",value:function(e){return e&&e.typeId===qC.Decimal}},{key:"isDate",value:function(e){return e&&e.typeId===qC.Date}},{key:"isTime",value:function(e){return e&&e.typeId===qC.Time}},{key:"isTimestamp",value:function(e){return e&&e.typeId===qC.Timestamp}},{key:"isInterval",value:function(e){return e&&e.typeId===qC.Interval}},{key:"isList",value:function(e){return e&&e.typeId===qC.List}},{key:"isStruct",value:function(e){return e&&e.typeId===qC.Struct}},{key:"isUnion",value:function(e){return e&&e.typeId===qC.Union}},{key:"isFixedSizeBinary",value:function(e){return e&&e.typeId===qC.FixedSizeBinary}},{key:"isFixedSizeList",value:function(e){return e&&e.typeId===qC.FixedSizeList}},{key:"isMap",value:function(e){return e&&e.typeId===qC.Map}},{key:"isDictionary",value:function(e){return e&&e.typeId===qC.Dictionary}}]),e}(),tM=function(e,t){g(r,eM);var i=_(r);function r(e,t){var s;return B(this,r),Yb(b(s=i.call(this)),"isSigned",void 0),Yb(b(s),"bitWidth",void 0),s.isSigned=e,s.bitWidth=t,s}return C(r,[{key:"typeId",get:function(){return qC.Int}},{key:t,get:function(){return"Int"}},{key:"toString",value:function(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}]),r}(0,Symbol.toStringTag),iM=function(e){g(i,tM);var t=_(i);function i(){return B(this,i),t.call(this,!0,8)}return C(i)}(),rM=function(e){g(i,tM);var t=_(i);function i(){return B(this,i),t.call(this,!0,16)}return 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e&&t.set("byteStride",e.byteStride.toString(10));"normalized"in e&&t.set("normalized",e.normalized.toString());return t}(t);return new $C(e,new dM(t.size,new $C("value",r)),!1,s)}function fM(e,t,i){var r=gM(t.metadata),s=[],n=function(e){var t={};for(var i in e){var r=e[i];t[r.name||"undefined"]=r}return t}(t.attributes);for(var o in e){var a=vM(o,e[o],n[o]);s.push(a)}if(i){var l=vM("indices",i);s.push(l)}return new JC(s,r)}function vM(e,t,i){return pM(e,t,i?gM(i.metadata):void 0)}function gM(e){var t=new Map;for(var i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}var mM={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},_M={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array},yM=function(){function e(t){B(this,e),Yb(this,"draco",void 0),Yb(this,"decoder",void 0),Yb(this,"metadataQuerier",void 0),this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}return C(e,[{key:"destroy",value:function(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}},{key:"parseSync",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);var r=this.decoder.GetEncodedGeometryType(i),s=r===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{var o;switch(r){case this.draco.TRIANGULAR_MESH:o=this.decoder.DecodeBufferToMesh(i,s);break;case this.draco.POINT_CLOUD:o=this.decoder.DecodeBufferToPointCloud(i,s);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!o.ok()||!s.ptr){var a="DRACO decompression failed: ".concat(o.error_msg());throw new Error(a)}var l=this._getDracoLoaderData(s,r,t),u=this._getMeshData(s,l,t),c=YC(u.attributes),A=fM(u.attributes,l,u.indices),h=n(n({loader:"draco",loaderData:l,header:{vertexCount:s.num_points(),boundingBox:c}},u),{},{schema:A});return h}finally{this.draco.destroy(i),s&&this.draco.destroy(s)}}},{key:"_getDracoLoaderData",value:function(e,t,i){var r=this._getTopLevelMetadata(e),s=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:r,attributes:s}}},{key:"_getDracoAttributes",value:function(e,t){for(var i={},r=0;r<e.num_attributes();r++){var s=this.decoder.GetAttribute(e,r),n=this._getAttributeMetadata(e,r);i[s.unique_id()]={unique_id:s.unique_id(),attribute_type:s.attribute_type(),data_type:s.data_type(),num_components:s.num_components(),byte_offset:s.byte_offset(),byte_stride:s.byte_stride(),normalized:s.normalized(),attribute_index:r,metadata:n};var o=this._getQuantizationTransform(s,t);o&&(i[s.unique_id()].quantization_transform=o);var a=this._getOctahedronTransform(s,t);a&&(i[s.unique_id()].octahedron_transform=a)}return i}},{key:"_getMeshData",value:function(e,t,i){var r=this._getMeshAttributes(t,e,i);if(!r.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:r,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:r,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:r}}},{key:"_getMeshAttributes",value:function(e,t,i){for(var r={},s=0,n=Object.values(e.attributes);s<n.length;s++){var o=n[s],a=this._deduceAttributeName(o,i);o.name=a;var l=this._getAttributeValues(t,o),u=l.value,c=l.size;r[a]={value:u,size:c,byteOffset:o.byte_offset,byteStride:o.byte_stride,normalized:o.normalized}}return r}},{key:"_getTriangleListIndices",value:function(e){var t=3*e.num_faces(),i=4*t,r=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,r),new Uint32Array(this.draco.HEAPF32.buffer,r,t).slice()}finally{this.draco._free(r)}}},{key:"_getTriangleStripIndices",value:function(e){var t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){for(var t=e.size(),i=new Int32Array(t),r=0;r<t;r++)i[r]=e.GetValue(r);return i}(t)}finally{this.draco.destroy(t)}}},{key:"_getAttributeValues",value:function(e,t){var i,r=_M[t.data_type],s=t.num_components,n=e.num_points()*s,o=n*r.BYTES_PER_ELEMENT,a=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,r),l=this.draco._malloc(o);try{var u=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,u,a,o,l),i=new r(this.draco.HEAPF32.buffer,l,n).slice()}finally{this.draco._free(l)}return{value:i,size:s}}},{key:"_deduceAttributeName",value:function(e,t){for(var i=e.unique_id,r=0,s=Object.entries(t.extraAttributes||{});r<s.length;r++){var n=A(s[r],2),o=n[0];if(n[1]===i)return o}var a=e.attribute_type;for(var l in mM){if(this.draco[l]===a)return mM[l]}var u=t.attributeNameEntry||"name";return e.metadata[u]?e.metadata[u].string:"CUSTOM_ATTRIBUTE_".concat(i)}},{key:"_getTopLevelMetadata",value:function(e){var t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}},{key:"_getAttributeMetadata",value:function(e,t){var i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}},{key:"_getDracoMetadata",value:function(e){if(!e||!e.ptr)return{};for(var t={},i=this.metadataQuerier.NumEntries(e),r=0;r<i;r++){var s=this.metadataQuerier.GetEntryName(e,r);t[s]=this._getDracoMetadataField(e,s)}return t}},{key:"_getDracoMetadataField",value:function(e,t){var i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);var r=function(e){for(var t=e.size(),i=new Int32Array(t),r=0;r<t;r++)i[r]=e.GetValue(r);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:r}}finally{this.draco.destroy(i)}}},{key:"_disableAttributeTransforms",value:function(e){var t,i=e.quantizedAttributes,r=void 0===i?[]:i,s=e.octahedronAttributes,n=void 0===s?[]:s,o=c([].concat(h(r),h(n)));try{for(o.s();!(t=o.n()).done;){var a=t.value;this.decoder.SkipAttributeTransform(this.draco[a])}}catch(e){o.e(e)}finally{o.f()}}},{key:"_getQuantizationTransform",value:function(e,t){var i=this,r=t.quantizedAttributes,s=void 0===r?[]:r,n=e.attribute_type();if(s.map((function(e){return i.decoder[e]})).includes(n)){var o=new this.draco.AttributeQuantizationTransform;try{if(o.InitFromAttribute(e))return{quantization_bits:o.quantization_bits(),range:o.range(),min_values:new Float32Array([1,2,3]).map((function(e){return o.min_value(e)}))}}finally{this.draco.destroy(o)}}return null}},{key:"_getOctahedronTransform",value:function(e,t){var i=this,r=t.octahedronAttributes,s=void 0===r?[]:r,n=e.attribute_type();if(s.map((function(e){return i.decoder[e]})).includes(n)){var o=new this.draco.AttributeQuantizationTransform;try{if(o.InitFromAttribute(e))return{quantization_bits:o.quantization_bits()}}finally{this.draco.destroy(o)}}return null}}]),e}();var bM,xM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),wM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),BM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");function PM(e){return CM.apply(this,arguments)}function CM(){return(CM=u(a().mark((function e(t){var i;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return i=t.modules||{},bM=i.draco3d?bM||i.draco3d.createDecoderModule({}).then((function(e){return{draco:e}})):bM||MM(t),e.next=4,bM;case 4:return e.abrupt("return",e.sent);case 5:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function MM(e){return EM.apply(this,arguments)}function EM(){return(EM=u(a().mark((function e(t){var i,r,s,n;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:e.t0=t.draco&&t.draco.decoderType,e.next="js"===e.t0?3:(e.t0,7);break;case 3:return e.next=5,hx(xM,"draco",t);case 5:return i=e.sent,e.abrupt("break",21);case 7:return e.t1=Promise,e.next=10,hx(wM,"draco",t);case 10:return e.t2=e.sent,e.next=13,hx(BM,"draco",t);case 13:return e.t3=e.sent,e.t4=[e.t2,e.t3],e.next=17,e.t1.all.call(e.t1,e.t4);case 17:s=e.sent,n=A(s,2),i=n[0],r=n[1];case 21:return i=i||globalThis.DracoDecoderModule,e.next=24,FM(i,r);case 24:return e.abrupt("return",e.sent);case 25:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function FM(e,t){var i={};return t&&(i.wasmBinary=t),new Promise((function(t){e(n(n({},i),{},{onModuleLoaded:function(e){return t({draco:e})}}))}))}var kM=n(n({},XC),{},{parse:function(e,t){return IM.apply(this,arguments)}});function IM(){return(IM=u(a().mark((function e(t,i){var r,s,n;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return e.next=2,PM(i);case 2:return r=e.sent,s=r.draco,n=new yM(s),e.prev=5,e.abrupt("return",n.parseSync(t,null==i?void 0:i.draco));case 7:return e.prev=7,n.destroy(),e.finish(7);case 10:case"end":return e.stop()}}),e,null,[[5,,7,10]])})))).apply(this,arguments)}function DM(e){var t={};for(var i in e){var r=e[i];if("indices"!==i){var s=SM(r);t[i]=s}}return t}function SM(e){var t=function(e){var t=e,i=1,r=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),r=t.length/i);return{buffer:t,size:i,count:r}}(e),i=t.buffer,r=t.size;return{value:i,size:r,byteOffset:0,count:t.count,type:xC(r),componentType:wC(i)}}function TM(){return(TM=u(a().mark((function e(t,i,r){var s,n,o,l,u,A;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(null!=i&&null!==(s=i.gltf)&&void 0!==s&&s.decompressMeshes){e.next=2;break}return e.abrupt("return");case 2:n=new MC(t),o=[],l=c(NM(n));try{for(l.s();!(u=l.n()).done;)A=u.value,n.getObjectExtension(A,"KHR_draco_mesh_compression")&&o.push(LM(n,A,i,r))}catch(e){l.e(e)}finally{l.f()}return e.next=8,Promise.all(o);case 8:n.removeExtension("KHR_draco_mesh_compression");case 9:case"end":return 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s=t.value;UM(s),i.addRequiredExtension("KHR_draco_mesh_compression")}}catch(e){r.e(e)}finally{r.f()}}}),Object.freeze({__proto__:null,name:"KHR_lights_punctual",decode:function(e){return QM.apply(this,arguments)},encode:function(e){return VM.apply(this,arguments)}}),Object.freeze({__proto__:null,name:"KHR_materials_unlit",decode:function(e){return HM.apply(this,arguments)},encode:function(e){var t=new MC(e),i=t.json;if(t.materials){var r,s=c(i.materials||[]);try{for(s.s();!(r=s.n()).done;){var n=r.value;n.unlit&&(delete n.unlit,t.addObjectExtension(n,"KHR_materials_unlit",{}),t.addExtension("KHR_materials_unlit"))}}catch(e){s.e(e)}finally{s.f()}}}}),Object.freeze({__proto__:null,name:"KHR_techniques_webgl",decode:function(e){return jM.apply(this,arguments)},encode:function(e,t){return GM.apply(this,arguments)}})];function XM(e){var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r=arguments.length>2?arguments[2]:void 0,s=KM.filter((function(e){return ZM(e.name,i)})),n=c(s);try{for(n.s();!(t=n.n()).done;){var o,a=t.value;null===(o=a.preprocess)||void 0===o||o.call(a,e,i,r)}}catch(e){n.e(e)}finally{n.f()}}function YM(e){return JM.apply(this,arguments)}function JM(){return JM=u(a().mark((function e(t){var i,r,s,n,o,l,u,A=arguments;return a().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:i=A.length>1&&void 0!==A[1]?A[1]:{},r=A.length>2?A[2]:void 0,s=KM.filter((function(e){return ZM(e.name,i)})),n=c(s),e.prev=4,n.s();case 6:if((o=n.n()).done){e.next=12;break}return l=o.value,e.next=10,null===(u=l.decode)||void 0===u?void 0:u.call(l,t,i,r);case 10:e.next=6;break;case 12:e.next=17;break;case 14:e.prev=14,e.t0=e.catch(4),n.e(e.t0);case 17:return e.prev=17,n.f(),e.finish(17);case 20:case"end":return e.stop()}}),e,null,[[4,14,17,20]])}))),JM.apply(this,arguments)}function ZM(e,t){var i,r=(null==t||null===(i=t.gltf)||void 0===i?void 0:i.excludeExtensions)||{};return!(e in r&&!r[e])}var qM={accessors:"accessor",animations:"animation",buffers:"buffer",bufferViews:"bufferView",images:"image",materials:"material",meshes:"mesh",nodes:"node",samplers:"sampler",scenes:"scene",skins:"skin",textures:"texture"},$M={accessor:"accessors",animations:"animation",buffer:"buffers",bufferView:"bufferViews",image:"images",material:"materials",mesh:"meshes",node:"nodes",sampler:"samplers",scene:"scenes",skin:"skins",texture:"textures"},eE=function(){function e(){B(this,e),Yb(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}}),Yb(this,"json",void 0)}return C(e,[{key:"normalize",value:function(e,t){this.json=e.json;var i=e.json;switch(i.asset&&i.asset.version){case"2.0":return;case void 0:case"1.0":break;default:return void console.warn("glTF: Unknown version ".concat(i.asset.version))}if(!t.normalize)throw new Error("glTF v1 is not supported.");console.warn("Converting glTF v1 to 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This is experimental and may fail."),this._addAsset(i),this._convertTopLevelObjectsToArrays(i),function(e){var t,i=new MC(e),r=i.json,s=c(r.images||[]);try{for(s.s();!(t=s.n()).done;){var n=t.value,o=i.getObjectExtension(n,"KHR_binary_glTF");o&&Object.assign(n,o),i.removeObjectExtension(n,"KHR_binary_glTF")}}catch(e){s.e(e)}finally{s.f()}r.buffers&&r.buffers[0]&&delete r.buffers[0].uri,i.removeExtension("KHR_binary_glTF")}(e),this._convertObjectIdsToArrayIndices(i),this._updateObjects(i),this._updateMaterial(i)}},{key:"_addAsset",value:function(e){e.asset=e.asset||{},e.asset.version="2.0",e.asset.generator=e.asset.generator||"Normalized to glTF 2.0 by loaders.gl"}},{key:"_convertTopLevelObjectsToArrays",value:function(e){for(var t in qM)this._convertTopLevelObjectToArray(e,t)}},{key:"_convertTopLevelObjectToArray",value:function(e,t){var i=e[t];if(i&&!Array.isArray(i))for(var r in e[t]=[],i){var s=i[r];s.id=s.id||r;var n=e[t].length;e[t].push(s),this.idToIndexMap[t][r]=n}}},{key:"_convertObjectIdsToArrayIndices",value:function(e){for(var t in qM)this._convertIdsToIndices(e,t);"scene"in e&&(e.scene=this._convertIdToIndex(e.scene,"scene"));var i,r=c(e.textures);try{for(r.s();!(i=r.n()).done;){var s=i.value;this._convertTextureIds(s)}}catch(e){r.e(e)}finally{r.f()}var n,o=c(e.meshes);try{for(o.s();!(n=o.n()).done;){var a=n.value;this._convertMeshIds(a)}}catch(e){o.e(e)}finally{o.f()}var l,u=c(e.nodes);try{for(u.s();!(l=u.n()).done;){var A=l.value;this._convertNodeIds(A)}}catch(e){u.e(e)}finally{u.f()}var h,d=c(e.scenes);try{for(d.s();!(h=d.n()).done;){var p=h.value;this._convertSceneIds(p)}}catch(e){d.e(e)}finally{d.f()}}},{key:"_convertTextureIds",value:function(e){e.source&&(e.source=this._convertIdToIndex(e.source,"image"))}},{key:"_convertMeshIds",value:function(e){var t,i=c(e.primitives);try{for(i.s();!(t=i.n()).done;){var r=t.value,s=r.attributes,n=r.indices,o=r.material;for(var a in s)s[a]=this._convertIdToIndex(s[a],"accessor");n&&(r.indices=this._convertIdToIndex(n,"accessor")),o&&(r.material=this._convertIdToIndex(o,"material"))}}catch(e){i.e(e)}finally{i.f()}}},{key:"_convertNodeIds",value:function(e){var t=this;e.children&&(e.children=e.children.map((function(e){return t._convertIdToIndex(e,"node")}))),e.meshes&&(e.meshes=e.meshes.map((function(e){return t._convertIdToIndex(e,"mesh")})))}},{key:"_convertSceneIds",value:function(e){var t=this;e.nodes&&(e.nodes=e.nodes.map((function(e){return t._convertIdToIndex(e,"node")})))}},{key:"_convertIdsToIndices",value:function(e,t){e[t]||(console.warn("gltf v1: json doesn't contain attribute ".concat(t)),e[t]=[]);var i,r=c(e[t]);try{for(r.s();!(i=r.n()).done;){var s=i.value;for(var n in s){var o=s[n],a=this._convertIdToIndex(o,n);s[n]=a}}}catch(e){r.e(e)}finally{r.f()}}},{key:"_convertIdToIndex",value:function(e,t){var i=$M[t];if(i in this.idToIndexMap){var r=this.idToIndexMap[i][e];if(!Number.isFinite(r))throw new 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iE={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},rE={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},sE=10240,nE=10241,oE=10242,aE=10243,lE=10497,uE=9986,cE={magFilter:sE,minFilter:nE,wrapS:oE,wrapT:aE},AE=(o(e={},sE,9729),o(e,nE,uE),o(e,oE,lE),o(e,aE,lE),e);var hE=function(){function e(){B(this,e),Yb(this,"baseUri",""),Yb(this,"json",{}),Yb(this,"buffers",[]),Yb(this,"images",[])}return C(e,[{key:"postProcess",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=e.json,r=e.buffers,s=void 0===r?[]:r,n=e.images,o=void 0===n?[]:n,a=e.baseUri,l=void 0===a?"":a;return dC(i),this.baseUri=l,this.json=i,this.buffers=s,this.images=o,this._resolveTree(this.json,t),this.json}},{key:"_resolveTree",value:function(e){var t=this;e.bufferViews&&(e.bufferViews=e.bufferViews.map((function(e,i){return t._resolveBufferView(e,i)}))),e.images&&(e.images=e.images.map((function(e,i){return t._resolveImage(e,i)}))),e.samplers&&(e.samplers=e.samplers.map((function(e,i){return t._resolveSampler(e,i)}))),e.textures&&(e.textures=e.textures.map((function(e,i){return t._resolveTexture(e,i)}))),e.accessors&&(e.accessors=e.accessors.map((function(e,i){return t._resolveAccessor(e,i)}))),e.materials&&(e.materials=e.materials.map((function(e,i){return t._resolveMaterial(e,i)}))),e.meshes&&(e.meshes=e.meshes.map((function(e,i){return t._resolveMesh(e,i)}))),e.nodes&&(e.nodes=e.nodes.map((function(e,i){return t._resolveNode(e,i)}))),e.skins&&(e.skins=e.skins.map((function(e,i){return t._resolveSkin(e,i)}))),e.scenes&&(e.scenes=e.scenes.map((function(e,i){return t._resolveScene(e,i)}))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene])}},{key:"getScene",value:function(e){return this._get("scenes",e)}},{key:"getNode",value:function(e){return this._get("nodes",e)}},{key:"getSkin",value:function(e){return this._get("skins",e)}},{key:"getMesh",value:function(e){return this._get("meshes",e)}},{key:"getMaterial",value:function(e){return this._get("materials",e)}},{key:"getAccessor",value:function(e){return this._get("accessors",e)}},{key:"getCamera",value:function(e){return null}},{key:"getTexture",value:function(e){return this._get("textures",e)}},{key:"getSampler",value:function(e){return this._get("samplers",e)}},{key:"getImage",value:function(e){return this._get("images",e)}},{key:"getBufferView",value:function(e){return this._get("bufferViews",e)}},{key:"getBuffer",value:function(e){return this._get("buffers",e)}},{key:"_get",value:function(e,t){if("object"===w(t))return t;var i=this.json[e]&&this.json[e][t];return i||console.warn("glTF file error: Could not find ".concat(e,"[").concat(t,"]")),i}},{key:"_resolveScene",value:function(e,t){var i=this;return e.id=e.id||"scene-".concat(t),e.nodes=(e.nodes||[]).map((function(e){return i.getNode(e)})),e}},{key:"_resolveNode",value:function(e,t){var i=this;return e.id=e.id||"node-".concat(t),e.children&&(e.children=e.children.map((function(e){return 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l={src:t,entityId:s.entityId,metaModelJSON:r,autoMetaModel:s.autoMetaModel,globalizeObjectIds:s.globalizeObjectIds,metaObjects:[],loadBuffer:s.loadBuffer,basePath:s.basePath,handlenode:s.handlenode,backfaces:!!s.backfaces,gltfData:i,scene:n.scene,plugin:e,sceneModel:n,numObjects:0,nodes:[],nextId:0,log:function(t){e.log(t)}};!function(e){var t=e.gltfData.textures;if(t)for(var i=0,r=t.length;i<r;i++)LE(e,t[i])}(l),function(e){var t=e.gltfData.materials;if(t)for(var i=0,r=t.length;i<r;i++){var s=t[i];s._textureSetId=RE(e,s),s._attributes=UE(e,s)}}(l),s.autoMetaModel&&l.metaObjects.push({id:n.id,type:"Default",name:n.id}),function(e){var t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");var r=i.nodes;if(!r)return;!function e(t){t.forEach((function(t){var i=t.mesh;i&&(i.instances||(i.instances=0),i.instances+=1),t.children&&e(t.children)}))}(r);var s=[],n=null;!function t(i,r,o){i.forEach((function(i){var 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3:l.primitive="lines";break;default:l.primitive=c?"triangles":"solid"}var A=a.attributes.POSITION;if(A){l.localPositions=A.value,l.positions=new Float64Array(l.localPositions.length),a.attributes.NORMAL&&(l.normals=a.attributes.NORMAL.value),a.attributes.TEXCOORD_0&&(l.uv=a.attributes.TEXCOORD_0.value),a.indices&&(l.indices=a.indices.value),i?re.transformPositions3(i,l.localPositions,l.positions):l.positions.set(l.localPositions);var h=re.vec3();Ge(l.positions,l.positions,h)&&(l.origin=h),t.sceneModel.createMesh(l),r.push(l.id)}}}}(i,e,u,n),i.children&&t(i.children,r+1,u),l){if(n.length>0){var c=e.globalizeObjectIds?re.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:c,meshIds:n,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:c,type:"Default",name:c,parent:e.sceneModel.id})}n=s.pop()}}))}(r,0,null)}(l),n.finalize(),s.autoMetaModel&&e.viewer.metaScene.createMetaModel(n.id,{metaObjects:l.metaObjects}),a.processes--,o()}))}function 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i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":var r=t.alphaCutoff;i.alphaCutoff=void 0!==r?r:.5}var s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){var n=t.pbrMetallicRoughness,o=n.baseColorTexture||n.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}var a=t.extensions;if(a){var l=a.KHR_materials_pbrSpecularGlossiness;if(l){l.specularTexture;var u=l.specularColorTexture;null!=u&&(i.colorTextureId=e.gltfData.textures[u.index]._textureId)}}return void 0!==i.normalTextureId||void 0!==i.occlusionTextureId||void 0!==i.emissiveTextureId||void 0!==i.colorTextureId||void 0!==i.metallicRoughnessTextureId?(i.id="textureSet-".concat(e.nextId++,";"),e.sceneModel.createTextureSet(i),i.id):null}function UE(e,t){var i=t.extensions,r={color:new Float32Array([1,1,1,1]),opacity:1,metallic:0,roughness:1,doubleSided:!0};if(i){var s=i.KHR_materials_pbrSpecularGlossiness;if(s){var n=s.diffuseFactor;null!=n&&r.color.set(n)}var o=i.KHR_materials_common;if(o){var a=o.technique,l=o.values||{},u="BLINN"===a,c="PHONG"===a,A="LAMBERT"===a,h=l.diffuse;h&&(u||c||A)&&(he.isString(h)||r.color.set(h));var d=l.transparency;null!=d&&(r.opacity=d);var p=l.transparent;null!=p&&(r.opacity=p)}}var f=t.pbrMetallicRoughness;if(f){var v=f.baseColorFactor;v&&(r.color[0]=v[0],r.color[1]=v[1],r.color[2]=v[2],r.opacity=v[3]);var g=f.metallicFactor;null!=g&&(r.metallic=g);var m=f.roughnessFactor;null!=m&&(r.roughness=m)}return r.doubleSided=!1!==t.doubleSided,r}var OE={DEFAULT:{}},NE=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"GLTFLoader",e,s))._sceneModelLoader=new DE(b(r),s),r.dataSource=s.dataSource,r.objectDefaults=s.objectDefaults,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new hd}},{key:"objectDefaults",get:function(){return this._objectDefaults},set:function(e){this._objectDefaults=e||OE}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new Vh(this.viewer.scene,he.apply(t,{isModel:!0,dtxEnabled:t.dtxEnabled})),r=i.id;if(!t.src&&!t.gltf)return this.error("load() param expected: src or gltf"),i;if(t.metaModelSrc||t.metaModelJSON){var s=function(s){e.viewer.metaScene.createMetaModel(r,s,{}),e.viewer.scene.canvas.spinner.processes--,t.src?e._sceneModelLoader.load(e,t.src,s,t,i):e._sceneModelLoader.parse(e,t.gltf,s,t,i)};if(t.metaModelSrc){var n=t.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(n,(function(t){e.viewer.scene.canvas.spinner.processes--,s(t)}),(function(t){e.error("load(): Failed to load model metadata for model '".concat(r," from  '").concat(n,"' - ").concat(t)),e.viewer.scene.canvas.spinner.processes--}))}else t.metaModelJSON&&s(t.metaModelJSON)}else t.src?this._sceneModelLoader.load(this,t.src,null,t,i):this._sceneModelLoader.parse(this,t.gltf,null,t,i);return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}();function QE(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r="lightgrey",s=i.hoverColor||"rgba(0,0,0,0.4)",n=i.textColor||"black",o=500,a=o+o/3,l=a/24,u=[{boundary:[6,6,6,6],color:i.frontColor||i.color||"#55FF55"},{boundary:[18,6,6,6],color:i.backColor||i.color||"#55FF55"},{boundary:[12,6,6,6],color:i.rightColor||i.color||"#FF5555"},{boundary:[0,6,6,6],color:i.leftColor||i.color||"#FF5555"},{boundary:[6,0,6,6],color:i.topColor||i.color||"#7777FF"},{boundary:[6,12,6,6],color:i.bottomColor||i.color||"#7777FF"}],c=[{label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,1,0],up:[0,0,1]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,-1,0],up:[0,0,1]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,0,1]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,0,1]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,0,1],up:[0,-1,0]},{boundaries:[[7,5,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,0,-1],up:[1,0,1]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-1,-1],up:[0,-1,1]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,0,-1],up:[-1,0,1]},{boundaries:[[7,11,4,2]],dir:[0,1,1],up:[0,-1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,0,1],up:[-1,0,1]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,-1,1],up:[0,1,1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,0,1],up:[1,0,1]},{boundaries:[[5,7,2,4]],dir:[1,1,0],up:[0,0,1]},{boundaries:[[11,7,2,4]],dir:[-1,1,0],up:[0,0,1]},{boundaries:[[17,7,2,4]],dir:[-1,-1,0],up:[0,0,1]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,-1,0],up:[0,0,1]},{boundaries:[[5,11,2,2]],dir:[1,1,1],up:[-1,-1,1]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[1,-1,1],up:[-1,1,1]},{boundaries:[[5,5,2,2]],dir:[1,1,-1],up:[1,1,1]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-1,-1,1],up:[1,1,1]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-1,-1,-1],up:[-1,-1,1]},{boundaries:[[11,11,2,2]],dir:[-1,1,1],up:[1,-1,1]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[1,-1,-1],up:[1,-1,1]},{boundaries:[[11,5,2,2]],dir:[-1,1,-1],up:[-1,1,1]}];i.frontColor||i.color,i.backColor||i.color,i.rightColor||i.color,i.leftColor||i.color,i.topColor||i.color,i.bottomColor||i.color;for(var A=[{yUp:"",label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,0,1],up:[0,1,0]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,1,0]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,1,0]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,-1,0],up:[0,0,-1]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,1,0],up:[0,0,1]},{boundaries:[[7,5,4,2]],dir:[0,-.7071,-.7071],up:[0,.7071,-.7071]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,-1,0],up:[1,1,0]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-.7071,.7071],up:[0,.7071,.7071]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,-1,0],up:[-1,1,0]},{boundaries:[[7,11,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,1,0],up:[-1,1,0]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,1,1],up:[0,1,-1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,1,0],up:[1,1,0]},{boundaries:[[5,7,2,4]],dir:[1,0,-1],up:[0,1,0]},{boundaries:[[11,7,2,4]],dir:[-1,0,-1],up:[0,1,0]},{boundaries:[[17,7,2,4]],dir:[-1,0,1],up:[0,1,0]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,0,1],up:[0,1,0]},{boundaries:[[5,11,2,2]],dir:[.5,.7071,-.5],up:[-.5,.7071,.5]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[.5,.7071,.5],up:[-.5,.7071,-.5]},{boundaries:[[5,5,2,2]],dir:[.5,-.7071,-.5],up:[.5,.7071,-.5]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-.5,.7071,.5],up:[.5,.7071,-.5]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-.5,-.7071,.5],up:[-.5,.7071,.5]},{boundaries:[[11,11,2,2]],dir:[-.5,.7071,-.5],up:[.5,.7071,.5]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[.5,-.7071,.5],up:[.5,.7071,.5]},{boundaries:[[11,5,2,2]],dir:[-.5,-.7071,-.5],up:[-.5,.7071,-.5]}],h=0,d=c.length;h<d;h++)re.normalizeVec3(c[h].dir,c[h].dir),re.normalizeVec3(c[h].up,c[h].up);for(var p=0,f=A.length;p<f;p++)re.normalizeVec3(A[p].dir,A[p].dir),re.normalizeVec3(A[p].up,A[p].up);var v=A;this._textureCanvas=document.createElement("canvas"),this._textureCanvas.width=a,this._textureCanvas.height=o,this._textureCanvas.style.width=a+"px",this._textureCanvas.style.height=o+"px",this._textureCanvas.style.padding="0",this._textureCanvas.style.margin="0",this._textureCanvas.style.top="0",this._textureCanvas.style.background=r,this._textureCanvas.style.position="absolute",this._textureCanvas.style.opacity="1.0",this._textureCanvas.style.visibility="hidden",this._textureCanvas.style["z-index"]=2e6;var g=document.getElementsByTagName("body")[0];g.appendChild(this._textureCanvas);var m=this._textureCanvas.getContext("2d"),_=!1;function y(){for(var e=0,i=u.length;e<i;e++){var o=u[e],a=o.boundary,c=Math.round(a[0]*l),A=Math.round(a[1]*l),h=Math.round(a[2]*l),d=Math.round(a[3]*l);m.fillStyle=o.color,m.fillRect(c,A,h,d)}for(var p=0,f=v.length;p<f;p++){for(var g=void 0,_=void 0,y=void 0,b=void 0,x=v[p],w=x.boundaries,P=0,C=w.length;P<C;P++){var M=w[P];g=Math.round(M[0]*l),_=Math.round(M[1]*l),y=Math.round(M[2]*l),b=Math.round(M[3]*l),x.highlighted&&(m.fillStyle=x.highlighted?s:x.color||r,m.fillRect(g,_,y,b))}if(x.label){m.fillStyle=n,m.font="60px sans-serif",m.textAlign="center";var E=g+.5*y,F=_+.7*b;m.fillText(B(x.label),E,F,80)}}t.glRedraw()}var b,x,w,B=(b={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},x={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},w={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"},function(t){var i=_?x:b,r=i?i[t]:null;return r?e.localeService.translate(r)||w[r]||r:t});this.setZUp=function(){_=!0,v=c,this.clear()},this.setYUp=function(){_=!1,v=A,this.clear()},this.clear=function(){m.fillStyle=r,m.fillRect(0,0,a,o);for(var e=0,t=v.length;e<t;e++){v[e].highlighted=!1}y()},this.getArea=function(e){for(var t=e[0]*a,i=o-e[1]*o,r=0,s=v.length;r<s;r++)for(var n=v[r].boundaries,u=0,c=n.length;u<c;u++){var A=n[u];if(t>=A[0]*l&&t<=(A[0]+A[2])*l&&i>=A[1]*l&&i<=(A[1]+A[3])*l)return r}return-1},this.setAreaHighlighted=function(e,t){var i=v[e];if(!i)throw"Area not found: "+e;i.highlighted=!!t,y()},this.getAreaDir=function(e){var t=v[e];if(!t)throw"Unknown area: "+e;return t.dir},this.getAreaUp=function(e){var t=v[e];if(!t)throw"Unknown area: "+e;return t.up},this.getImage=function(){return this._textureCanvas},this.destroy=function(){this._textureCanvas&&(this._textureCanvas.parentNode.removeChild(this._textureCanvas),this._textureCanvas=null)}}var VE=re.vec3(),HE=re.vec3();re.mat4();var jE=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),r=t.call(this,"NavCube",e,s),e.navCube=b(r);var n=!0;try{r._navCubeScene=new dr(e,{canvasId:s.canvasId,canvasElement:s.canvasElement,transparent:!0}),r._navCubeCanvas=r._navCubeScene.canvas.canvas,r._navCubeScene.input.keyboardEnabled=!1}catch(e){return r.error(e),y(r)}var o=r._navCubeScene;o.clearLights(),new Li(o,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Li(o,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Li(o,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),r._navCubeCamera=o.camera,r._navCubeCamera.ortho.scale=7,r._navCubeCamera.ortho.near=.1,r._navCubeCamera.ortho.far=2e3,o.edgeMaterial.edgeColor=[.2,.2,.2],o.edgeMaterial.edgeAlpha=.6,r._zUp=Boolean(e.camera.zUp);var a=b(r);r.setIsProjectNorth(s.isProjectNorth),r.setProjectNorthOffsetAngle(s.projectNorthOffsetAngle);var l,u=(l=re.mat4(),function(e,t,i){return re.identityMat4(l),re.rotationMat4v(e*a._projectNorthOffsetAngle*re.DEGTORAD,[0,1,0],l),re.transformVec3(l,t,i)});r._synchCamera=function(){var t=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),i=re.vec3(),r=re.vec3(),s=re.vec3();return function(){var n=e.camera.eye,o=e.camera.look,l=e.camera.up;i=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(n,o,i)),5),a._isProjectNorth&&a._projectNorthOffsetAngle&&(i=u(-1,i,VE),l=u(-1,l,HE)),a._zUp?(re.transformVec3(t,i,r),re.transformVec3(t,l,s),a._navCubeCamera.look=[0,0,0],a._navCubeCamera.eye=re.transformVec3(t,i,r),a._navCubeCamera.up=re.transformPoint3(t,l,s)):(a._navCubeCamera.look=[0,0,0],a._navCubeCamera.eye=i,a._navCubeCamera.up=l)}}(),r._cubeTextureCanvas=new QE(e,o,s),r._cubeSampler=new qn(o,{image:r._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),r._cubeMesh=new _n(o,{geometry:new Xi(o,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new $i(o,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:r._cubeSampler,emissiveMap:r._cubeSampler}),visible:!!n,edges:!0}),r._shadow=!1===s.shadowVisible?null:new _n(o,{geometry:new Xi(o,bn({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new $i(o,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!!n,pickable:!1,backfaces:!1}),r._onCameraMatrix=e.camera.on("matrix",r._synchCamera),r._onCameraWorldAxis=e.camera.on("worldAxis",(function(){e.camera.zUp?(r._zUp=!0,r._cubeTextureCanvas.setZUp(),r._repaint(),r._synchCamera()):e.camera.yUp&&(r._zUp=!1,r._cubeTextureCanvas.setYUp(),r._repaint(),r._synchCamera())})),r._onCameraFOV=e.camera.perspective.on("fov",(function(e){r._synchProjection&&(r._navCubeCamera.perspective.fov=e)})),r._onCameraProjection=e.camera.on("projection",(function(e){r._synchProjection&&(r._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var c=-1;function A(t,i){var r=(t-d)*-_,s=(i-p)*-_;e.camera.orbitYaw(r),e.camera.orbitPitch(-s),d=t,p=i}function h(e){var t=[0,0];if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var d,p,f=null,v=null,g=!1,m=!1,_=.5;a._navCubeCanvas.addEventListener("mouseenter",a._onMouseEnter=function(e){m=!0}),a._navCubeCanvas.addEventListener("mouseleave",a._onMouseLeave=function(e){m=!1}),a._navCubeCanvas.addEventListener("mousedown",a._onMouseDown=function(e){if(1===e.which){f=e.x,v=e.y,d=e.clientX,p=e.clientY;var t=h(e),i=o.pick({canvasPos:t});g=!!i}}),document.addEventListener("mouseup",a._onMouseUp=function(e){if(1===e.which&&(g=!1,null!==f)){var t=h(e),i=o.pick({canvasPos:t,pickSurface:!0});if(i&&i.uv){var r=a._cubeTextureCanvas.getArea(i.uv);if(r>=0&&(document.body.style.cursor="pointer",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),r>=0)){if(a._cubeTextureCanvas.setAreaHighlighted(r,!0),c=r,a._repaint(),e.x<f-3||e.x>f+3||e.y<v-3||e.y>v+3)return;var s=a._cubeTextureCanvas.getAreaDir(r);if(s){var n=a._cubeTextureCanvas.getAreaUp(r);a._isProjectNorth&&a._projectNorthOffsetAngle&&(s=u(1,s,VE),n=u(1,n,HE)),x(s,n,(function(){c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),document.body.style.cursor="pointer",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),r>=0&&(a._cubeTextureCanvas.setAreaHighlighted(r,!1),c=-1,a._repaint())}))}}}}}),document.addEventListener("mousemove",a._onMouseMove=function(e){if(c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),1!==e.buttons||g){if(g){var t=e.clientX,i=e.clientY;return document.body.style.cursor="move",void A(t,i)}if(m){var r=h(e),s=o.pick({canvasPos:r,pickSurface:!0});if(s){if(s.uv){document.body.style.cursor="pointer";var n=a._cubeTextureCanvas.getArea(s.uv);if(n===c)return;c>=0&&a._cubeTextureCanvas.setAreaHighlighted(c,!1),n>=0&&(a._cubeTextureCanvas.setAreaHighlighted(n,!0),a._repaint(),c=n)}}else document.body.style.cursor="default",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1)}}});var x=function(){var t=re.vec3();return function(i,r,s){var n=a._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,o=re.getAABB3Diag(n);re.getAABB3Center(n,t);var l=Math.abs(o/Math.tan(a._cameraFitFOV*re.DEGTORAD));e.cameraControl.pivotPos=t,a._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*o,fitFOV:a._cameraFitFOV,duration:a._cameraFlyDuration},s):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*o,fitFOV:a._cameraFitFOV},s)}}();return r._onUpdated=e.localeService.on("updated",(function(){r._cubeTextureCanvas.clear(),r._repaint()})),r.setVisible(s.visible),r.setCameraFitFOV(s.cameraFitFOV),r.setCameraFly(s.cameraFly),r.setCameraFlyDuration(s.cameraFlyDuration),r.setFitVisible(s.fitVisible),r.setSynchProjection(s.synchProjection),r}return C(i,[{key:"send",value:function(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}},{key:"_repaint",value:function(){var e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}},{key:"getVisible",value:function(){return!!this._navCubeCanvas&&this._cubeMesh.visible}},{key:"setFitVisible",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._fitVisible=e}},{key:"getFitVisible",value:function(){return this._fitVisible}},{key:"setCameraFly",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._cameraFly=e}},{key:"getCameraFly",value:function(){return this._cameraFly}},{key:"setCameraFitFOV",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:45;this._cameraFitFOV=e}},{key:"getCameraFitFOV",value:function(){return this._cameraFitFOV}},{key:"setCameraFlyDuration",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:.5;this._cameraFlyDuration=e}},{key:"getCameraFlyDuration",value:function(){return this._cameraFlyDuration}},{key:"setSynchProjection",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._synchProjection=e}},{key:"getSynchProjection",value:function(){return this._synchProjection}},{key:"setIsProjectNorth",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._isProjectNorth=e}},{key:"getIsProjectNorth",value:function(){return this._isProjectNorth}},{key:"setProjectNorthOffsetAngle",value:function(e){this._projectNorthOffsetAngle=e}},{key:"getProjectNorthOffsetAngle",value:function(){return this._projectNorthOffsetAngle}},{key:"destroy",value:function(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}(),GE=re.vec3(),zE=function(){function e(){B(this,e)}return C(e,[{key:"load",value:function(e,t){var i=e.scene.canvas.spinner;i.processes++,WE(e,t,(function(t){XE(e,t,(function(){ZE(e,t),i.processes--,we.scheduleTask((function(){e.fire("loaded",!0,!1)}))}))}))}},{key:"parse",value:function(e,t,i,r){if(t){var s=KE(e,t,null);i&&JE(e,i,r),ZE(e,s),e.src=null,e.fire("loaded",!0,!1)}else this.warn("load() param expected: objText")}}]),e}(),WE=function(e,t,i){qE(t,(function(r){var s=KE(e,r,t);i(s)}),(function(t){e.error(t)}))},KE=function(){var e={vertex_pattern:/^v\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,normal_pattern:/^vn\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,uv_pattern:/^vt\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,face_vertex:/^f\s+(-?\d+)\s+(-?\d+)\s+(-?\d+)(?:\s+(-?\d+))?/,face_vertex_uv:/^f\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+))?/,face_vertex_uv_normal:/^f\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+)\/(-?\d+))?/,face_vertex_normal:/^f\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)(?:\s+(-?\d+)\/\/(-?\d+))?/,object_pattern:/^[og]\s*(.+)?/,smoothing_pattern:/^s\s+(\d+|on|off)/,material_library_pattern:/^mtllib /,material_use_pattern:/^usemtl /};return function(r,s,n){var o={src:n=n||"",basePath:t(n),objects:[],object:{},positions:[],normals:[],uv:[],materialLibraries:{}};i(o,"",!1),-1!==s.indexOf("\r\n")&&(s=s.replace("\r\n","\n"));for(var a=s.split("\n"),l="",u="",c="",d=[],p="function"==typeof"".trimLeft,f=0,v=a.length;f<v;f++)if(l=a[f],0!==(l=p?l.trimLeft():l.trim()).length&&"#"!==(u=l.charAt(0)))if("v"===u)if(" "===(c=l.charAt(1))&&null!==(d=e.vertex_pattern.exec(l)))o.positions.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else if("n"===c&&null!==(d=e.normal_pattern.exec(l)))o.normals.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else{if("t"!==c||null===(d=e.uv_pattern.exec(l)))return void r.error("Unexpected vertex/normal/uv line: '"+l+"'");o.uv.push(parseFloat(d[1]),parseFloat(d[2]))}else if("f"===u)if(null!==(d=e.face_vertex_uv_normal.exec(l)))A(o,d[1],d[4],d[7],d[10],d[2],d[5],d[8],d[11],d[3],d[6],d[9],d[12]);else if(null!==(d=e.face_vertex_uv.exec(l)))A(o,d[1],d[3],d[5],d[7],d[2],d[4],d[6],d[8]);else 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i(e,t,i){if(e.object&&!1===e.object.fromDeclaration)return e.object.id=t,void(e.object.fromDeclaration=!1!==i);e.object={id:t||"",geometry:{positions:[],normals:[],uv:[]},material:{id:"",smooth:!0},fromDeclaration:!1!==i},e.objects.push(e.object)}function r(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function s(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function n(e,t){var i=parseInt(e,10);return 2*(i>=0?i-1:i+t/2)}function o(e,t,i,r){var s=e.positions,n=e.object.geometry.positions;n.push(s[t+0]),n.push(s[t+1]),n.push(s[t+2]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[i+2]),n.push(s[r+0]),n.push(s[r+1]),n.push(s[r+2])}function a(e,t){var i=e.positions,r=e.object.geometry.positions;r.push(i[t+0]),r.push(i[t+1]),r.push(i[t+2])}function l(e,t,i,r){var s=e.normals,n=e.object.geometry.normals;n.push(s[t+0]),n.push(s[t+1]),n.push(s[t+2]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[i+2]),n.push(s[r+0]),n.push(s[r+1]),n.push(s[r+2])}function u(e,t,i,r){var s=e.uv,n=e.object.geometry.uv;n.push(s[t+0]),n.push(s[t+1]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[r+0]),n.push(s[r+1])}function c(e,t){var i=e.uv,r=e.object.geometry.uv;r.push(i[t+0]),r.push(i[t+1])}function A(e,t,i,a,c,A,h,d,p,f,v,g,m){var _,y=e.positions.length,b=r(t,y),x=r(i,y),w=r(a,y);if(void 0===c?o(e,b,x,w):(o(e,b,x,_=r(c,y)),o(e,x,w,_)),void 0!==A){var B=e.uv.length;b=n(A,B),x=n(h,B),w=n(d,B),void 0===c?u(e,b,x,w):(u(e,b,x,_=n(p,B)),u(e,x,w,_))}if(void 0!==f){var P=e.normals.length;b=s(f,P),x=f===v?b:s(v,P),w=f===g?b:s(g,P),void 0===c?l(e,b,x,w):(l(e,b,x,_=s(m,P)),l(e,x,w,_))}}function h(e,t,i){e.object.geometry.type="Line";for(var s=e.positions.length,o=e.uv.length,l=0,u=t.length;l<u;l++)a(e,r(t[l],s));for(var A=0,h=i.length;A<h;A++)c(e,n(i[A],o))}}();function XE(e,t,i){for(var r=t.basePath,s=Object.keys(t.materialLibraries),n=s.length,o=0,a=n;o<a;o++)YE(e,r,r+s[o],(function(){0==--n&&i()}))}var YE=function(e,t,i,r){qE(i,(function(i){JE(e,i,t),r()}),(function(t){e.error(t),r()}))},JE=function(){var e=/\s+/;return function(e,s,n){var o,a,l,u,c,A=s.split("\n"),h={id:"Default"},d=!1;n=n||"";for(var p=0;p<A.length;p++)if(0!==(o=A[p].trim()).length&&"#"!==o.charAt(0))switch(l=(l=(a=o.indexOf(" "))>=0?o.substring(0,a):o).toLowerCase(),u=(u=a>=0?o.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,h),h={id:u},d=!0;break;case"ka":h.ambient=r(u);break;case"kd":h.diffuse=r(u);break;case"ks":h.specular=r(u);break;case"map_kd":h.diffuseMap||(h.diffuseMap=t(e,n,u,"sRGB"));break;case"map_ks":h.specularMap||(h.specularMap=t(e,n,u,"linear"));break;case"map_bump":case"bump":h.normalMap||(h.normalMap=t(e,n,u));break;case"ns":h.shininess=parseFloat(u);break;case"d":(c=parseFloat(u))<1&&(h.alpha=c,h.alphaMode="blend");break;case"tr":(c=parseFloat(u))>0&&(h.alpha=1-c,h.alphaMode="blend")}d&&i(e,h)};function t(e,t,i,r){var s={},n=i.split(/\s+/),o=n.indexOf("-bm");return 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n=t.metaModelSrc;he.loadJSON(n,(function(n){e.viewer.metaScene.createMetaModel(r,n),e._sceneGraphLoader.load(i,s,t)}),(function(t){e.error("load(): Failed to load model modelMetadata for model '".concat(r," from  '").concat(n,"' - ").concat(t))}))}else this._sceneGraphLoader.load(i,s,t);return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),eF=new Float64Array([0,0,1]),tF=new Float64Array(4),iF=function(){function e(t){B(this,e),this.id=null,this._viewer=t.viewer,this._visible=!1,this._pos=re.vec3(),this._origin=re.vec3(),this._rtcPos=re.vec3(),this._baseDir=re.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}return C(e,[{key:"_setSectionPlane",value:function(e){var t=this;this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(function(){t._setPos(t._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(function(){t._ignoreNextSectionPlaneDirUpdate?t._ignoreNextSectionPlaneDirUpdate=!1:t._setDir(t._sectionPlane.dir)})))}},{key:"sectionPlane",get:function(){return this._sectionPlane}},{key:"_setPos",value:function(e){this._pos.set(e),je(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}},{key:"_setDir",value:function(e){this._baseDir.set(e),this._rootNode.quaternion=re.vec3PairToQuaternion(eF,e,tF)}},{key:"_setSectionPlaneDir",value:function(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}},{key:"getVisible",value:function(){return this._visible}},{key:"setCulled",value:function(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}},{key:"_createNodes",value:function(){var e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Rn(t,{position:[0,0,0],scale:[5,5,5],isObject:!1});var r,s,n=this._rootNode,o={arrowHead:new Xi(n,bn({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new Xi(n,bn({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),arrowHeadHandle:new Xi(n,bn({radiusTop:.09,radiusBottom:.09,radialSegments:8,heightSegments:1,height:.37,openEnded:!1})),curve:new Xi(n,co({radius:.8,tube:i,radialSegments:64,tubeSegments:14,arc:2*Math.PI/4})),curveHandle:new Xi(n,co({radius:.8,tube:.06,radialSegments:64,tubeSegments:14,arc:2*Math.PI/4})),hoop:new 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$i(n,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),highlightBall:new tr(n,{edges:!1,fill:!0,fillColor:[.5,.5,.5],fillAlpha:.5,vertices:!1}),highlightPlane:new tr(n,{edges:!0,edgeWidth:3,fill:!1,fillColor:[.5,.5,.5],fillAlpha:.5,vertices:!1})};this._displayMeshes={plane:n.addChild(new _n(n,{geometry:new Xi(n,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new $i(n,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new tr(n,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),e),planeFrame:n.addChild(new _n(n,{geometry:new Xi(n,co({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new $i(n,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new tr(n,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),e),xCurve:n.addChild(new _n(n,{geometry:o.curve,material:a.red,matrix:(r=re.rotationMat4v(90*re.DEGTORAD,[0,1,0],re.identityMat4()),s=re.rotationMat4v(270*re.DEGTORAD,[1,0,0],re.identityMat4()),re.mulMat4(s,r,re.identityMat4())),pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xCurveHandle:n.addChild(new _n(n,{geometry:o.curveHandle,material:a.pickable,matrix:function(){var e=re.rotationMat4v(90*re.DEGTORAD,[0,1,0],re.identityMat4()),t=re.rotationMat4v(270*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xCurveArrow1:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.red,matrix:function(){var e=re.translateMat4c(0,-.07,-.8,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(0*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xCurveArrow2:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.red,matrix:function(){var e=re.translateMat4c(0,-.8,-.07,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yCurve:n.addChild(new _n(n,{geometry:o.curve,material:a.green,rotation:[-90,0,0],pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),yCurveHandle:n.addChild(new _n(n,{geometry:o.curveHandle,material:a.pickable,rotation:[-90,0,0],pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),yCurveArrow1:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.green,matrix:function(){var e=re.translateMat4c(.07,0,-.8,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yCurveArrow2:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.green,matrix:function(){var e=re.translateMat4c(.8,0,-.07,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurve:n.addChild(new _n(n,{geometry:o.curve,material:a.blue,matrix:re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4()),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveHandle:n.addChild(new _n(n,{geometry:o.curveHandle,material:a.pickable,matrix:re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4()),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveCurveArrow1:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.blue,matrix:function(){var e=re.translateMat4c(.8,-.07,0,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4());return re.mulMat4(e,t,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveArrow2:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.blue,matrix:function(){var e=re.translateMat4c(.05,-.8,0,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),center:n.addChild(new _n(n,{geometry:new Xi(n,xn({radius:.05})),material:a.center,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.red,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisArrowHandle:n.addChild(new _n(n,{geometry:o.arrowHeadHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxis:n.addChild(new _n(n,{geometry:o.axis,material:a.red,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisHandle:n.addChild(new _n(n,{geometry:o.axisHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.green,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrowHandle:n.addChild(new _n(n,{geometry:o.arrowHeadHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,opacity:.2,isObject:!1}),e),yShaft:n.addChild(new _n(n,{geometry:o.axis,material:a.green,position:[0,-.5,0],pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yShaftHandle:n.addChild(new _n(n,{geometry:o.axisHandle,material:a.pickable,position:[0,-.5,0],pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrowHandle:n.addChild(new _n(n,{geometry:o.arrowHeadHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zShaft:n.addChild(new _n(n,{geometry:o.axis,material:a.blue,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1,isObject:!1}),e),zAxisHandle:n.addChild(new _n(n,{geometry:o.axisHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),clippable:!1,pickable:!0,collidable:!0,visible:!1,isObject:!1}),e)},this._affordanceMeshes={planeFrame:n.addChild(new _n(n,{geometry:new Xi(n,co({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new $i(n,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new tr(n,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45],isObject:!1}),e),xHoop:n.addChild(new _n(n,{geometry:o.hoop,material:a.red,highlighted:!0,highlightMaterial:a.highlightRed,matrix:function(){var e=re.rotationMat4v(90*re.DEGTORAD,[0,1,0],re.identityMat4()),t=re.rotationMat4v(270*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yHoop:n.addChild(new _n(n,{geometry:o.hoop,material:a.green,highlighted:!0,highlightMaterial:a.highlightGreen,rotation:[-90,0,0],pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zHoop:n.addChild(new _n(n,{geometry:o.hoop,material:a.blue,highlighted:!0,highlightMaterial:a.highlightBlue,matrix:re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4()),pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHeadBig,material:a.red,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHeadBig,material:a.green,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHeadBig,material:a.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e)}}},{key:"_bindEvents",value:function(){var e=this,t=this,i=!1,r=-1,s=0,n=1,o=2,a=3,l=4,u=5,c=this._rootNode,A=null,h=null,d=re.vec2(),p=re.vec3([1,0,0]),f=re.vec3([0,1,0]),v=re.vec3([0,0,1]),g=this._viewer.scene.canvas.canvas,m=this._viewer.camera,_=this._viewer.scene,y=re.vec3([0,0,0]),b=-1;this._onCameraViewMatrix=_.camera.on("viewMatrix",(function(){})),this._onCameraProjMatrix=_.camera.on("projMatrix",(function(){})),this._onSceneTick=_.on("tick",(function(){var t=Math.abs(re.lenVec3(re.subVec3(_.camera.eye,e._pos,y)));if(t!==b&&"perspective"===m.projection){var i=.07*(Math.tan(m.perspective.fov*re.DEGTORAD)*t);c.scale=[i,i,i],b=t}if("ortho"===m.projection){var r=m.ortho.scale/10;c.scale=[r,r,r],b=t}}));var x,w,B,P,C,M=function(){var e=new Float64Array(2);return function(t){if(t){for(var i=t.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-r,e[1]=t.pageY-s}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),E=function(){var e=re.mat4();return function(i,r){return re.quaternionToMat4(t._rootNode.quaternion,e),re.transformVec3(e,i,r),re.normalizeVec3(r),r}}(),F=(x=re.vec3(),function(e){var t=Math.abs(e[0]);return t>Math.abs(e[1])&&t>Math.abs(e[2])?re.cross3Vec3(e,[0,1,0],x):re.cross3Vec3(e,[1,0,0],x),re.cross3Vec3(x,e,x),re.normalizeVec3(x),x}),k=(w=re.vec3(),B=re.vec3(),P=re.vec4(),function(e,i,r){E(e,P);var s=F(P,i,r);D(i,s,w),D(r,s,B),re.subVec3(B,w);var n=re.dotVec3(B,P);t._pos[0]+=P[0]*n,t._pos[1]+=P[1]*n,t._pos[2]+=P[2]*n,t._rootNode.position=t._pos,t._sectionPlane&&(t._sectionPlane.pos=t._pos)}),I=function(){var e=re.vec4(),i=re.vec4(),r=re.vec4(),s=re.vec4();return function(n,o,a){if(E(n,s),!(D(o,s,e)&&D(a,s,i))){var l=F(s,o,a);D(o,l,e,1),D(a,l,i,1);var u=re.dotVec3(e,s);e[0]-=u*s[0],e[1]-=u*s[1],e[2]-=u*s[2],u=re.dotVec3(i,s),i[0]-=u*s[0],i[1]-=u*s[1],i[2]-=u*s[2]}re.normalizeVec3(e),re.normalizeVec3(i),u=re.dotVec3(e,i),u=re.clamp(u,-1,1);var c=Math.acos(u)*re.RADTODEG;re.cross3Vec3(e,i,r),re.dotVec3(r,s)<0&&(c=-c),t._rootNode.rotate(n,c),S()}}(),D=function(){var e=re.vec4([0,0,0,1]),i=re.mat4();return function(r,s,n,o){o=o||0,e[0]=r[0]/g.width*2-1,e[1]=-(r[1]/g.height*2-1),e[2]=0,e[3]=1,re.mulMat4(m.projMatrix,m.viewMatrix,i),re.inverseMat4(i),re.transformVec4(i,e,e),re.mulVec4Scalar(e,1/e[3]);var a=m.eye;re.subVec4(e,a,e);var l=t._sectionPlane.pos,u=-re.dotVec3(l,s)-o,c=re.dotVec3(s,e);if(Math.abs(c)>.005){var A=-(re.dotVec3(s,a)+u)/c;return re.mulVec3Scalar(e,A,n),re.addVec3(n,a),re.subVec3(n,l,n),!0}return!1}}(),S=function(){var e=re.vec3(),i=re.mat4();return function(){t.sectionPlane&&(re.quaternionToMat4(c.quaternion,i),re.transformVec3(i,[0,0,1],e),t._setSectionPlaneDir(e))}}(),T=!1;this._onCameraControlHover=this._viewer.cameraControl.on("hoverEnter",(function(t){if(e._visible&&!T){var c;switch(i=!1,C&&(C.visible=!1),t.entity.id){case e._displayMeshes.xAxisArrowHandle.id:case e._displayMeshes.xAxisHandle.id:c=e._affordanceMeshes.xAxisArrow,A=s;break;case e._displayMeshes.yAxisArrowHandle.id:case e._displayMeshes.yShaftHandle.id:c=e._affordanceMeshes.yAxisArrow,A=n;break;case e._displayMeshes.zAxisArrowHandle.id:case e._displayMeshes.zAxisHandle.id:c=e._affordanceMeshes.zAxisArrow,A=o;break;case e._displayMeshes.xCurveHandle.id:c=e._affordanceMeshes.xHoop,A=a;break;case e._displayMeshes.yCurveHandle.id:c=e._affordanceMeshes.yHoop,A=l;break;case e._displayMeshes.zCurveHandle.id:c=e._affordanceMeshes.zHoop,A=u;break;default:return void(A=r)}c&&(c.visible=!0),C=c,i=!0}})),this._onCameraControlHoverLeave=this._viewer.cameraControl.on("hoverOutEntity",(function(t){e._visible&&(C&&(C.visible=!1),C=null,A=r)})),g.addEventListener("mousedown",this._canvasMouseDownListener=function(t){if(t.preventDefault(),e._visible&&i&&(e._viewer.cameraControl.pointerEnabled=!1,1===t.which)){T=!0;var r=M(t);h=A,d[0]=r[0],d[1]=r[1]}}),g.addEventListener("mousemove",this._canvasMouseMoveListener=function(t){if(e._visible&&T){var i=M(t),r=i[0],c=i[1];switch(h){case s:k(p,d,i);break;case n:k(f,d,i);break;case o:k(v,d,i);break;case a:I(p,d,i);break;case l:I(f,d,i);break;case u:I(v,d,i)}d[0]=r,d[1]=c}}),g.addEventListener("mouseup",this._canvasMouseUpListener=function(t){e._visible&&(e._viewer.cameraControl.pointerEnabled=!0,T&&(t.which,T=!1,i=!1))}),g.addEventListener("wheel",this._canvasWheelListener=function(t){if(e._visible)Math.max(-1,Math.min(1,40*-t.deltaY))})}},{key:"_destroy",value:function(){this._unbindEvents(),this._destroyNodes()}},{key:"_unbindEvents",value:function(){var e=this._viewer,t=e.scene,i=t.canvas.canvas,r=e.camera,s=e.cameraControl;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),r.off(this._onCameraViewMatrix),r.off(this._onCameraProjMatrix),s.off(this._onCameraControlHover),s.off(this._onCameraControlHoverLeave)}},{key:"_destroyNodes",value:function(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}]),e}(),rF=function(){function e(t,i,r){var s=this;B(this,e),this.id=r.id,this._sectionPlane=r,this._mesh=new _n(i,{id:r.id,geometry:new Xi(i,Yi({xSize:.5,ySize:.5,zSize:.001})),material:new $i(i,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new rr(i,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new tr(i,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new tr(i,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});var n=re.vec3([0,0,0]),o=re.vec3(),a=re.vec3([0,0,1]),l=re.vec4(4),u=re.vec3(),c=function(){var e=s._sectionPlane.scene.center,t=[-s._sectionPlane.dir[0],-s._sectionPlane.dir[1],-s._sectionPlane.dir[2]];re.subVec3(e,s._sectionPlane.pos,n);var i=-re.dotVec3(t,n);re.normalizeVec3(t),re.mulVec3Scalar(t,i,o);var r=re.vec3PairToQuaternion(a,s._sectionPlane.dir,l);u[0]=.1*o[0],u[1]=.1*o[1],u[2]=.1*o[2],s._mesh.quaternion=r,s._mesh.position=u};this._onSectionPlanePos=this._sectionPlane.on("pos",c),this._onSectionPlaneDir=this._sectionPlane.on("dir",c),this._highlighted=!1,this._selected=!1}return C(e,[{key:"setHighlighted",value:function(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}},{key:"getHighlighted",value:function(){return this._highlighted}},{key:"setSelected",value:function(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}},{key:"getSelected",value:function(){return this._selected}},{key:"destroy",value:function(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}]),e}(),sF=function(){function e(t,i){var r=this;if(B(this,e),!(i.onHoverEnterPlane&&i.onHoverLeavePlane&&i.onClickedNothing&&i.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=t,this._viewer=t.viewer,this._onHoverEnterPlane=i.onHoverEnterPlane,this._onHoverLeavePlane=i.onHoverLeavePlane,this._onClickedNothing=i.onClickedNothing,this._onClickedPlane=i.onClickedPlane,this._visible=!0,this._planes={},this._canvas=i.overviewCanvas,this._scene=new dr(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Li(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Li(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Li(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;var s=this._scene.camera,n=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),o=re.vec3(),a=re.vec3(),l=re.vec3();this._synchCamera=function(){var e=r._viewer.camera.eye,t=r._viewer.camera.look,i=r._viewer.camera.up;re.mulVec3Scalar(re.normalizeVec3(re.subVec3(e,t,o)),7),r._zUp?(re.transformVec3(n,o,a),re.transformVec3(n,i,l),s.look=[0,0,0],s.eye=re.transformVec3(n,o,a),s.up=re.transformPoint3(n,i,l)):(s.look=[0,0,0],s.eye=o,s.up=i)},this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(function(e){r._scene.camera.perspective.fov=e}));var u=null;this._onInputMouseMove=this._scene.input.on("mousemove",(function(e){var t=r._scene.pick({canvasPos:e});if(t){if(!u||t.entity.id!==u.id){if(u)r._planes[u.id]&&r._onHoverLeavePlane(u.id);u=t.entity,r._planes[u.id]&&r._onHoverEnterPlane(u.id)}}else u&&(r._onHoverLeavePlane(u.id),u=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=function(){u?r._planes[u.id]&&r._onClickedPlane(u.id):r._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=function(){u&&(r._onHoverLeavePlane(u.id),u=null)}),this.setVisible(i.overviewVisible)}return C(e,[{key:"addSectionPlane",value:function(e){this._planes[e.id]=new rF(this,this._scene,e)}},{key:"setPlaneHighlighted",value:function(e,t){var i=this._planes[e];i&&i.setHighlighted(t)}},{key:"setPlaneSelected",value:function(e,t){var i=this._planes[e];i&&i.setSelected(t)}},{key:"removeSectionPlane",value:function(e){var t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}},{key:"getVisible",value:function(){return this._visible}},{key:"destroy",value:function(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}]),e}(),nF=re.AABB3(),oF=re.vec3(),aF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,"SectionPlanes",e))._freeControls=[],r._sectionPlanes=e.scene.sectionPlanes,r._controls={},r._shownControlId=null,null!==s.overviewCanvasId&&void 0!==s.overviewCanvasId){var n=document.getElementById(s.overviewCanvasId);n?r._overview=new sF(b(r),{overviewCanvas:n,visible:s.overviewVisible,onHoverEnterPlane:function(e){r._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:function(e){r._overview.setPlaneHighlighted(e,!1)},onClickedPlane:function(e){if(r.getShownControl()!==e){r.showControl(e);var t=r.sectionPlanes[e].pos;nF.set(r.viewer.scene.aabb),re.getAABB3Center(nF,oF),nF[0]+=t[0]-oF[0],nF[1]+=t[1]-oF[1],nF[2]+=t[2]-oF[2],nF[3]+=t[0]-oF[0],nF[4]+=t[1]-oF[1],nF[5]+=t[2]-oF[2],r.viewer.cameraFlight.flyTo({aabb:nF,fitFOV:65})}else r.hideControl()},onClickedNothing:function(){r.hideControl()}}):r.warn("Can't find overview canvas: '"+s.overviewCanvasId+"' - will create plugin without overview")}return r._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(function(e){r._sectionPlaneCreated(e)})),r}return C(i,[{key:"setOverviewVisible",value:function(e){this._overview&&this._overview.setVisible(e)}},{key:"getOverviewVisible",value:function(){if(this._overview)return this._overview.getVisible()}},{key:"sectionPlanes",get:function(){return this._sectionPlanes}},{key:"createSectionPlane",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=new Cn(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0});return t}},{key:"_sectionPlaneCreated",value:function(e){var t=this,i=this._freeControls.length>0?this._freeControls.pop():new iF(this);i._setSectionPlane(e),i.setVisible(!1),this._controls[e.id]=i,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(function(){t._sectionPlaneDestroyed(e)}))}},{key:"flipSectionPlanes",value:function(){var e=this.viewer.scene.sectionPlanes;for(var t in e){e[t].flipDir()}}},{key:"showControl",value:function(e){var t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}},{key:"getShownControl",value:function(){return this._shownControlId}},{key:"hideControl",value:function(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}},{key:"destroySectionPlane",value:function(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}},{key:"_sectionPlaneDestroyed",value:function(e){this._overview&&this._overview.removeSectionPlane(e);var t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}},{key:"clear",value:function(){for(var e=Object.keys(this._sectionPlanes),t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}},{key:"send",value:function(e,t){switch(e){case"snapshotStarting":for(var i in this._controls)this._controls.hasOwnProperty(i)&&this._controls[i].setCulled(!0);break;case"snapshotFinished":for(var r in this._controls)this._controls.hasOwnProperty(r)&&this._controls[r].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}},{key:"destroy",value:function(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),f(x(i.prototype),"destroy",this).call(this)}},{key:"_destroyFreeControls",value:function(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}]),i}(),lF=C((function e(t,i,r,s,n,o){B(this,e),this.plugin=t,this.storeyId=n,this.modelId=s,this.storeyAABB=r.slice(),this.aabb=this.storeyAABB,this.modelAABB=i.slice(),this.numObjects=o})),uF=C((function e(t,i,r,s,n,o){B(this,e),this.storeyId=t,this.imageData=i,this.format=r,this.width=s,this.height=n})),cF=re.vec3(),AF=re.mat4(),hF="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==",dF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"StoreyViews",e))._objectsMemento=new jd,r._cameraMemento=new Nd,r.storeys={},r._storeysList=null,r.modelStoreys={},r._fitStoreyMaps=!!s.fitStoreyMaps,r._onModelLoaded=r.viewer.scene.on("modelLoaded",(function(e){r._registerModelStoreys(e),r.fire("storeys",r.storeys)})),r}return C(i,[{key:"_registerModelStoreys",value:function(e){var t=this,i=this.viewer,r=i.scene,s=i.metaScene,n=s.metaModels[e],o=r.models[e];if(n&&n.rootMetaObjects)for(var a=n.rootMetaObjects,l=0,u=a.length;l<u;l++)for(var c=a[l].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]),A=0,h=c.length;A<h;A++){var d=c[A],p=s.metaObjects[d].getObjectIDsInSubtree(),f=r.getAABB(p),v=Math.random()>.5?p.length:0,g=new lF(this,o.aabb,f,e,d,v);g._onModelDestroyed=o.once("destroyed",(function(){t._deregisterModelStoreys(e),t.fire("storeys",t.storeys)})),this.storeys[d]=g,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][d]=g}}},{key:"_deregisterModelStoreys",value:function(e){var t=this.modelStoreys[e];if(t){var i=this.viewer.scene;for(var r in t)if(t.hasOwnProperty(r)){var s=t[r],n=i.models[s.modelId];n&&n.off(s._onModelDestroyed),delete this.storeys[r],this._storeysList=null}delete this.modelStoreys[e]}}},{key:"fitStoreyMaps",get:function(){return this._fitStoreyMaps}},{key:"gotoStoreyCamera",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());var r=this.viewer,s=r.scene,n=s.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])t.done&&t.done();else if(o[3]!==o[0]||o[4]!==o[1]||o[5]!==o[2]){var a=re.getAABB3Center(o),l=re.getAABB3Diag(o),u=45,c=Math.abs(l/Math.tan(u*re.DEGTORAD)),A=1.3*l,h=cF;h[0]=a[0]+n.worldUp[0]*c,h[1]=a[1]+n.worldUp[1]*c,h[2]=a[2]+n.worldUp[2]*c;var d=n.worldForward;t.done?r.cameraFlight.flyTo(he.apply(t,{eye:h,look:a,up:d,orthoScale:A}),(function(){t.done()})):(r.cameraFlight.jumpTo(he.apply(t,{eye:h,look:a,up:d,orthoScale:A})),r.camera.ortho.scale=A)}else t.done&&t.done()}},{key:"showStoreyObjects",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(i){var r=this.viewer,s=r.scene,n=r.metaScene,o=n.metaObjects[e];o&&(t.hideOthers&&s.setObjectsVisible(r.scene.visibleObjectIds,!1),this.withStoreyObjects(e,(function(e,t){e&&(e.visible=!0)})))}else this.error("IfcBuildingStorey not found with this ID: "+e)}},{key:"withStoreyObjects",value:function(e,t){var i=this.viewer,r=i.scene,s=i.metaScene,n=s.metaObjects[e];if(n)for(var o=n.getObjectIDsInSubtree(),a=0,l=o.length;a<l;a++){var u=o[a],c=s.metaObjects[u],A=r.objects[u];A&&t(A,c)}}},{key:"createStoreyMap",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),hF;var r,s,n=this.viewer,o=n.scene,a=t.format||"png",l=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,u=Math.abs((l[5]-l[2])/(l[3]-l[0])),c=t.padding||0;t.width&&t.height?(r=t.width,s=t.height):t.height?(s=t.height,r=Math.round(s/u)):t.width?(r=t.width,s=Math.round(r*u)):(r=300,s=Math.round(r*u));var A={visible:!0};this._objectsMemento.saveObjects(o,A),this._cameraMemento.saveCamera(o),this.showStoreyObjects(e,he.apply(t,{hideOthers:!0})),this._arrangeStoreyMapCamera(i);var h=n.getSnapshot({width:r,height:s,format:a});return this._objectsMemento.restoreObjects(o,A),this._cameraMemento.restoreCamera(o),new uF(e,h,a,r,s,c)}},{key:"_arrangeStoreyMapCamera",value:function(e){var t=this.viewer,i=t.scene.camera,r=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,s=re.getAABB3Center(r),n=cF;n[0]=s[0]+.5*i.worldUp[0],n[1]=s[1]+.5*i.worldUp[1],n[2]=s[2]+.5*i.worldUp[2];var o=i.worldForward;t.cameraFlight.jumpTo({eye:n,look:s,up:o});var a=(r[3]-r[0])/2,l=(r[4]-r[1])/2,u=(r[5]-r[2])/2,c=-a,A=+a,h=-l,d=+l,p=-u,f=+u;t.camera.customProjection.matrix=re.orthoMat4c(c,A,p,f,h,d,AF),t.camera.projection="customProjection"}},{key:"pickStoreyMap",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=e.storeyId,s=this.storeys[r];if(!s)return this.error("IfcBuildingStorey not found with this ID: "+r),null;var n=1-t[0]/e.width,o=1-t[1]/e.height,a=this._fitStoreyMaps?s.storeyAABB:s.modelAABB,l=a[0],u=a[1],c=a[2],A=a[3],h=a[4],d=a[5],p=A-l,f=h-u,v=d-c,g=re.vec3([l+p*n,u+.5*f,c+v*o]),m=re.vec3([0,-1,0]),_=re.addVec3(g,m,cF),y=this.viewer.camera.worldForward,b=re.lookAtMat4v(g,_,y,AF),x=this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:b});return x}},{key:"storeyMapToWorldPos",value:function(e,t){var i=e.storeyId,r=this.storeys[i];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+i),null;var s=1-t[0]/e.width,n=1-t[1]/e.height,o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,a=o[0],l=o[1],u=o[2],c=o[3],A=o[4],h=o[5],d=c-a,p=A-l,f=h-u,v=re.vec3([a+d*s,l+.5*p,u+f*n]);return v}},{key:"getStoreyContainingWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys;for(var r in i){var s=i[r];if(re.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return r}return null}},{key:"getStoreyInVerticalRange",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys;for(var r in i){var s=i[r],n=[0,0,0,0,0,0],o=[0,0,0];if(n[1]=s.storeyAABB[1],n[4]=s.storeyAABB[4],o[1]=e[1],re.point3AABB3AbsoluteIntersect(n,o))return r}return null}},{key:"isPositionAboveOrBelowBuilding",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys,r=Object.keys(i);if(r.length<=0)return null;var s=[r[0],r[r.length-1]];return e[1]<i[s[0]].storeyAABB[1]?s[0]:e[1]>i[s[1]].storeyAABB[4]?s[1]:null}},{key:"worldPosToStoreyMap",value:function(e,t,i){var r=e.storeyId,s=this.storeys[r];if(!s)return this.error("IfcBuildingStorey not found with this ID: "+r),!1;var n=this._fitStoreyMaps?s.storeyAABB:s.modelAABB,o=n[0],a=n[1],l=n[2],u=n[3]-o,c=n[4]-a,A=n[5]-l,h=this.viewer.camera.worldUp,d=h[0]>h[1]&&h[0]>h[2],p=!d&&h[1]>h[0]&&h[1]>h[2];!d&&!p&&h[2]>h[0]&&(h[2],h[1]);var f=e.width/u,v=p?e.height/A:e.height/c;return i[0]=Math.floor(e.width-(t[0]-o)*f),i[1]=Math.floor(e.height-(t[2]-l)*v),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}},{key:"worldDirToStoreyMap",value:function(e,t,i){var r=this.viewer.camera,s=r.eye,n=r.look,o=re.subVec3(n,s,cF),a=r.worldUp,l=a[0]>a[1]&&a[0]>a[2],u=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!u&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=o[1],i[1]=o[2]):u?(i[0]=o[0],i[1]=o[2]):(i[0]=o[0],i[1]=o[1]),re.normalizeVec2(i)}},{key:"destroy",value:function(){this.viewer.scene.off(this._onModelLoaded),f(x(i.prototype),"destroy",this).call(this)}},{key:"storeysList",get:function(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}},{key:"_getSpatialSortFunc",value:function(){var e=this,t=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(i,r){var s=0;s=t.xUp?0:t.yUp?1:2;var n=e.viewer.metaScene,o=n.metaObjects[i.storeyId],a=n.metaObjects[r.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&a&&a.attributes&&void 0!==a.attributes.elevation){var l=Number.parseFloat(o.attributes.elevation),u=Number.parseFloat(a.attributes.elevation);return l>u?-1:l<u?1:0}return i.aabb[s]>r.aabb[s]?-1:i.aabb[s]<r.aabb[s]?1:0})}},{key:"_filterStoreys",value:function(e){return Object.fromEntries(Object.entries(this.storeys).filter((function(t){var i=A(t,2);i[0];return i[1].modelId===e})))}}]),i}(),pF=new Float64Array([0,0,1]),fF=new Float64Array(4),vF=function(){function e(t){B(this,e),this.id=null,this._viewer=t.viewer,this._plugin=t,this._visible=!1,this._pos=re.vec3(),this._origin=re.vec3(),this._rtcPos=re.vec3(),this._baseDir=re.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}return C(e,[{key:"_setSectionPlane",value:function(e){var t=this;this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(function(){t._setPos(t._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(function(){t._ignoreNextSectionPlaneDirUpdate?t._ignoreNextSectionPlaneDirUpdate=!1:t._setDir(t._sectionPlane.dir)})))}},{key:"sectionPlane",get:function(){return this._sectionPlane}},{key:"_setPos",value:function(e){this._pos.set(e),je(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}},{key:"_setDir",value:function(e){this._baseDir.set(e),this._rootNode.quaternion=re.vec3PairToQuaternion(pF,e,fF)}},{key:"_setSectionPlaneDir",value:function(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}},{key:"getVisible",value:function(){return this._visible}},{key:"setCulled",value:function(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}},{key:"_createNodes",value:function(){var e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Rn(t,{position:[0,0,0],scale:[5,5,5]});var r=this._rootNode,s={arrowHead:new Xi(r,bn({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new Xi(r,bn({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new Xi(r,bn({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},n={red:new $i(r,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new $i(r,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new $i(r,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new tr(r,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:r.addChild(new _n(r,{geometry:new Xi(r,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new $i(r,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:r.addChild(new _n(r,{geometry:new Xi(r,co({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new $i(r,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:r.addChild(new _n(r,{geometry:new Xi(r,xn({radius:.05})),material:n.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:r.addChild(new _n(r,{geometry:s.arrowHead,material:n.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:r.addChild(new _n(r,{geometry:s.axis,material:n.blue,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:r.addChild(new _n(r,{geometry:new Xi(r,co({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new $i(r,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new tr(r,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:r.addChild(new _n(r,{geometry:s.arrowHeadBig,material:n.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}},{key:"_bindEvents",value:function(){var e=this,t=this._rootNode,i=re.vec2(),r=this._viewer.camera,s=this._viewer.scene,n=0,o=!1,a=re.vec3([0,0,0]),l=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(function(){})),this._onCameraProjMatrix=s.camera.on("projMatrix",(function(){})),this._onSceneTick=s.on("tick",(function(){o=!1;var i=Math.abs(re.lenVec3(re.subVec3(s.camera.eye,e._pos,a)));if(i!==l&&"perspective"===r.projection){var u=.07*(Math.tan(r.perspective.fov*re.DEGTORAD)*i);t.scale=[u,u,u],l=i}if("ortho"===r.projection){var A=r.ortho.scale/10;t.scale=[A,A,A],l=i}0!==n&&(c(n),n=0)}));var u=function(){var e=new Float64Array(2);return function(t){if(t){for(var i=t.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-r,e[1]=t.pageY-s}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),c=function(t){var i=e._sectionPlane.pos,r=e._sectionPlane.dir;re.addVec3(i,re.mulVec3Scalar(r,.1*t*e._plugin.getDragSensitivity(),re.vec3())),e._sectionPlane.pos=i},A=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=function(t){if(t.preventDefault(),e._visible&&(e._viewer.cameraControl.pointerEnabled=!1,1===t.which)){A=!0;var r=u(t);i[0]=r[0],i[1]=r[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=function(t){if(e._visible&&A&&!o){var r=u(t),s=r[0],n=r[1];c(n-i[1]),i[0]=s,i[1]=n}}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=function(t){e._visible&&(e._viewer.cameraControl.pointerEnabled=!0,A&&(t.which,A=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=function(t){e._visible&&(n+=Math.max(-1,Math.min(1,40*-t.deltaY)))});var h,d,p=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(h=t.touches[0].clientY,p=h,n=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(o||(o=!0,d=t.touches[0].clientY,null!==p&&(n+=d-p),p=d))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(h=null,d=null,n=0)})}},{key:"_destroy",value:function(){this._unbindEvents(),this._destroyNodes()}},{key:"_unbindEvents",value:function(){var e=this._viewer,t=e.scene,i=t.canvas.canvas,r=e.camera,s=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),s.removeEventListener("touchstart",this._handleTouchStart),s.removeEventListener("touchmove",this._handleTouchMove),s.removeEventListener("touchend",this._handleTouchEnd),r.off(this._onCameraViewMatrix),r.off(this._onCameraProjMatrix)}},{key:"_destroyNodes",value:function(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}]),e}(),gF=function(){function e(t,i,r){var s=this;B(this,e),this.id=r.id,this._sectionPlane=r,this._mesh=new _n(i,{id:r.id,geometry:new Xi(i,Yi({xSize:.5,ySize:.5,zSize:.001})),material:new $i(i,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new rr(i,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new tr(i,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new tr(i,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});var n=re.vec3([0,0,0]),o=re.vec3(),a=re.vec3([0,0,1]),l=re.vec4(4),u=re.vec3(),c=function(){var e=s._sectionPlane.scene.center,t=[-s._sectionPlane.dir[0],-s._sectionPlane.dir[1],-s._sectionPlane.dir[2]];re.subVec3(e,s._sectionPlane.pos,n);var i=-re.dotVec3(t,n);re.normalizeVec3(t),re.mulVec3Scalar(t,i,o);var r=re.vec3PairToQuaternion(a,s._sectionPlane.dir,l);u[0]=.1*o[0],u[1]=.1*o[1],u[2]=.1*o[2],s._mesh.quaternion=r,s._mesh.position=u};this._onSectionPlanePos=this._sectionPlane.on("pos",c),this._onSectionPlaneDir=this._sectionPlane.on("dir",c),this._highlighted=!1,this._selected=!1}return C(e,[{key:"setHighlighted",value:function(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}},{key:"getHighlighted",value:function(){return this._highlighted}},{key:"setSelected",value:function(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}},{key:"getSelected",value:function(){return this._selected}},{key:"destroy",value:function(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}]),e}(),mF=function(){function e(t,i){var r=this;if(B(this,e),!(i.onHoverEnterPlane&&i.onHoverLeavePlane&&i.onClickedNothing&&i.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=t,this._viewer=t.viewer,this._onHoverEnterPlane=i.onHoverEnterPlane,this._onHoverLeavePlane=i.onHoverLeavePlane,this._onClickedNothing=i.onClickedNothing,this._onClickedPlane=i.onClickedPlane,this._visible=!0,this._planes={},this._canvas=i.overviewCanvas,this._scene=new dr(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Li(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Li(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Li(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;var s=this._scene.camera,n=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),o=re.vec3(),a=re.vec3(),l=re.vec3();this._synchCamera=function(){var e=r._viewer.camera.eye,t=r._viewer.camera.look,i=r._viewer.camera.up;re.mulVec3Scalar(re.normalizeVec3(re.subVec3(e,t,o)),7),r._zUp?(re.transformVec3(n,o,a),re.transformVec3(n,i,l),s.look=[0,0,0],s.eye=re.transformVec3(n,o,a),s.up=re.transformPoint3(n,i,l)):(s.look=[0,0,0],s.eye=o,s.up=i)},this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(function(e){r._scene.camera.perspective.fov=e}));var u=null;this._onInputMouseMove=this._scene.input.on("mousemove",(function(e){var t=r._scene.pick({canvasPos:e});if(t){if(!u||t.entity.id!==u.id){if(u)r._planes[u.id]&&r._onHoverLeavePlane(u.id);u=t.entity,r._planes[u.id]&&r._onHoverEnterPlane(u.id)}}else u&&(r._onHoverLeavePlane(u.id),u=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=function(){u?r._planes[u.id]&&r._onClickedPlane(u.id):r._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=function(){u&&(r._onHoverLeavePlane(u.id),u=null)}),this.setVisible(i.overviewVisible)}return C(e,[{key:"addSectionPlane",value:function(e){this._planes[e.id]=new gF(this,this._scene,e)}},{key:"setPlaneHighlighted",value:function(e,t){var i=this._planes[e];i&&i.setHighlighted(t)}},{key:"setPlaneSelected",value:function(e,t){var i=this._planes[e];i&&i.setSelected(t)}},{key:"removeSectionPlane",value:function(e){var t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}},{key:"getVisible",value:function(){return this._visible}},{key:"destroy",value:function(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}]),e}(),_F=re.AABB3(),yF=re.vec3(),bF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,"FaceAlignedSectionPlanesPlugin",e))._freeControls=[],r._sectionPlanes=e.scene.sectionPlanes,r._controls={},r._shownControlId=null,r._dragSensitivity=s.dragSensitivity||1,null!==s.overviewCanvasId&&void 0!==s.overviewCanvasId){var n=document.getElementById(s.overviewCanvasId);n?r._overview=new mF(b(r),{overviewCanvas:n,visible:s.overviewVisible,onHoverEnterPlane:function(e){r._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:function(e){r._overview.setPlaneHighlighted(e,!1)},onClickedPlane:function(e){if(r.getShownControl()!==e){r.showControl(e);var t=r.sectionPlanes[e].pos;_F.set(r.viewer.scene.aabb),re.getAABB3Center(_F,yF),_F[0]+=t[0]-yF[0],_F[1]+=t[1]-yF[1],_F[2]+=t[2]-yF[2],_F[3]+=t[0]-yF[0],_F[4]+=t[1]-yF[1],_F[5]+=t[2]-yF[2],r.viewer.cameraFlight.flyTo({aabb:_F,fitFOV:65})}else r.hideControl()},onClickedNothing:function(){r.hideControl()}}):r.warn("Can't find overview canvas: '"+s.overviewCanvasId+"' - will create plugin without overview")}return null===s.controlElementId||void 0===s.controlElementId?r.error("Parameter expected: controlElementId"):(r._controlElement=document.getElementById(s.controlElementId),r._controlElement||r.warn("Can't find control element: '"+s.controlElementId+"' - will create plugin without control element")),r._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(function(e){r._sectionPlaneCreated(e)})),r}return C(i,[{key:"setDragSensitivity",value:function(e){this._dragSensitivity=e||1}},{key:"getDragSensitivity",value:function(){return this._dragSensitivity}},{key:"setOverviewVisible",value:function(e){this._overview&&this._overview.setVisible(e)}},{key:"getOverviewVisible",value:function(){if(this._overview)return this._overview.getVisible()}},{key:"sectionPlanes",get:function(){return this._sectionPlanes}},{key:"createSectionPlane",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=new Cn(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0});return t}},{key:"_sectionPlaneCreated",value:function(e){var t=this,i=this._freeControls.length>0?this._freeControls.pop():new vF(this);i._setSectionPlane(e),i.setVisible(!1),this._controls[e.id]=i,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(function(){t._sectionPlaneDestroyed(e)}))}},{key:"flipSectionPlanes",value:function(){var e=this.viewer.scene.sectionPlanes;for(var t in e){e[t].flipDir()}}},{key:"showControl",value:function(e){var t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}},{key:"getShownControl",value:function(){return this._shownControlId}},{key:"hideControl",value:function(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}},{key:"destroySectionPlane",value:function(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}},{key:"_sectionPlaneDestroyed",value:function(e){this._overview&&this._overview.removeSectionPlane(e);var t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}},{key:"clear",value:function(){for(var e=Object.keys(this._sectionPlanes),t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}},{key:"send",value:function(e,t){switch(e){case"snapshotStarting":for(var i in this._controls)this._controls.hasOwnProperty(i)&&this._controls[i].setCulled(!0);break;case"snapshotFinished":for(var r in this._controls)this._controls.hasOwnProperty(r)&&this._controls[r].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}},{key:"destroy",value:function(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),f(x(i.prototype),"destroy",this).call(this)}},{key:"_destroyFreeControls",value:function(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}]),i}(),xF=function(e){g(i,Ue);var t=_(i);function i(e){var r;return B(this,i),(r=t.call(this,"skyboxes",e)).skyboxes={},r}return C(i,[{key:"send",value:function(e,t){if("clear"===e)this.clear()}},{key:"createSkybox",value:function(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new Xd(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}},{key:"destroySkybox",value:function(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"clear",this).call(this)}}]),i}(),wF=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getSTL",value:function(e,t,i){e=this._cacheBusterURL(e);var r=new XMLHttpRequest;r.overrideMimeType("application/json"),r.open("GET",e,!0),r.responseType="arraybuffer",r.onreadystatechange=function(){4===r.readyState&&(200===r.status?t(r.response):i(r.statusText))},r.send(null)}}]),e}(),BF=re.vec3(),PF=function(){function e(){B(this,e)}return C(e,[{key:"load",value:function(e,t,i,r,s,n){r=r||{};var o=e.viewer.scene.canvas.spinner;o.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,r){try{var s=IF(i);CF(s)?MF(e,s,t,r):EF(e,kF(i),t,r)}catch(e){t.fire("error",e)}}(e,t,i,r);try{var a=IF(i);CF(a)?MF(e,a,t,r):EF(e,kF(i),t,r),o.processes--,we.scheduleTask((function(){t.fire("loaded",!0,!1)})),s&&s()}catch(i){o.processes--,e.error(i),n&&n(i),t.fire("error",i)}}),(function(i){o.processes--,e.error(i),n&&n(i),t.fire("error",i)}))}},{key:"parse",value:function(e,t,i,r){var s=e.viewer.scene.canvas.spinner;s.processes++;try{var n=IF(i);CF(n)?MF(e,n,t,r):EF(e,kF(i),t,r),s.processes--,we.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){s.processes--,t.fire("error",e)}}}]),e}();function CF(e){var t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;for(var i=[115,111,108,105,100],r=0;r<5;r++)if(i[r]!==t.getUint8(r,!1))return!0;return!1}function MF(e,t,i,r){for(var s,n,o,a,l,u,c,A=new DataView(t),h=A.getUint32(80,!0),d=!1,p=null,f=null,v=null,g=!1,m=0;m<70;m++)1129270351===A.getUint32(m,!1)&&82===A.getUint8(m+4)&&61===A.getUint8(m+5)&&(d=!0,a=[],l=A.getUint8(m+6)/255,u=A.getUint8(m+7)/255,c=A.getUint8(m+8)/255,A.getUint8(m+9));for(var _=new Qn(i,{roughness:.5}),y=[],b=[],x=r.splitMeshes,w=0;w<h;w++){var B=84+50*w,P=A.getFloat32(B,!0),C=A.getFloat32(B+4,!0),M=A.getFloat32(B+8,!0);if(d){var E=A.getUint16(B+48,!0);0==(32768&E)?(s=(31&E)/31,n=(E>>5&31)/31,o=(E>>10&31)/31):(s=l,n=u,o=c),(x&&s!==p||n!==f||o!==v)&&(null!==p&&(g=!0),p=s,f=n,v=o)}for(var F=1;F<=3;F++){var k=B+12*F;y.push(A.getFloat32(k,!0)),y.push(A.getFloat32(k+4,!0)),y.push(A.getFloat32(k+8,!0)),b.push(P,C,M),d&&a.push(s,n,o,1)}x&&g&&(FF(i,y,b,a,_,r),y=[],b=[],a=a?[]:null,g=!1)}y.length>0&&FF(i,y,b,a,_,r)}function EF(e,t,i,r){for(var s,n,o,a,l,u,c,A=/facet([\s\S]*?)endfacet/g,h=0,d=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,p=new RegExp("vertex"+d+d+d,"g"),f=new RegExp("normal"+d+d+d,"g"),v=[],g=[];null!==(a=A.exec(t));){for(l=0,u=0,c=a[0];null!==(a=f.exec(c));)s=parseFloat(a[1]),n=parseFloat(a[2]),o=parseFloat(a[3]),u++;for(;null!==(a=p.exec(c));)v.push(parseFloat(a[1]),parseFloat(a[2]),parseFloat(a[3])),g.push(s,n,o),l++;1!==u&&e.error("Error in normal of face "+h),3!==l&&e.error("Error in positions of face "+h),h++}FF(i,v,g,null,new Qn(i,{roughness:.5}),r)}function FF(e,t,i,r,s,n){for(var o=new Int32Array(t.length/3),a=0,l=o.length;a<l;a++)o[a]=a;i=i&&i.length>0?i:null,r=r&&r.length>0?r:null,n.smoothNormals&&re.faceToVertexNormals(t,i,n);var u=BF;Ge(t,t,u);var c=new Xi(e,{primitive:"triangles",positions:t,normals:i,colors:r,indices:o}),A=new _n(e,{origin:0!==u[0]||0!==u[1]||0!==u[2]?u:null,geometry:c,material:s,edges:n.edges});e.addChild(A)}function kF(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);for(var t="",i=0,r=e.length;i<r;i++)t+=String.fromCharCode(e[i]);return decodeURIComponent(escape(t))}(new Uint8Array(e)):e}function IF(e){if("string"==typeof e){for(var t=new Uint8Array(e.length),i=0;i<e.length;i++)t[i]=255&e.charCodeAt(i);return t.buffer||t}return e}var DF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"STLLoader",e,s))._sceneGraphLoader=new PF,r.dataSource=s.dataSource,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new wF}},{key:"load",value:function(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new Rn(this.viewer.scene,he.apply(e,{isModel:!0})),i=e.src,r=e.stl;return i||r?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,r,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}}]),i}(),SF=function(){function e(){B(this,e)}return C(e,[{key:"createRootNode",value:function(){return document.createElement("ul")}},{key:"createNodeElement",value:function(e,t,i,r,s){var n=document.createElement("li");if(n.id=e.nodeId,e.xrayed&&n.classList.add("xrayed-node"),e.children.length>0){var o=document.createElement("a");o.href="#",o.id="switch-".concat(e.nodeId),o.textContent="+",o.classList.add("plus"),t&&o.addEventListener("click",t),n.appendChild(o)}var a=document.createElement("input");a.id="checkbox-".concat(e.nodeId),a.type="checkbox",a.checked=e.checked,a.style["pointer-events"]="all",i&&a.addEventListener("change",i),n.appendChild(a);var l=document.createElement("span");return l.textContent=e.title,n.appendChild(l),r&&(l.oncontextmenu=r),s&&(l.onclick=s),n}},{key:"createDisabledNodeElement",value:function(e){var t=document.createElement("li"),i=document.createElement("a");i.href="#",i.textContent="!",i.classList.add("warn"),i.classList.add("warning"),t.appendChild(i);var r=document.createElement("span");return r.textContent=e,t.appendChild(r),t}},{key:"addChildren",value:function(e,t){var i=document.createElement("ul");t.forEach((function(e){i.appendChild(e)})),e.parentElement.appendChild(i)}},{key:"expand",value:function(e,t,i){e.classList.remove("plus"),e.classList.add("minus"),e.textContent="-",e.removeEventListener("click",t),e.addEventListener("click",i)}},{key:"collapse",value:function(e,t,i){if(e){var r=e.parentElement;if(r){var s=r.querySelector("ul");s&&(r.removeChild(s),e.classList.remove("minus"),e.classList.add("plus"),e.textContent="+",e.removeEventListener("click",i),e.addEventListener("click",t))}}}},{key:"isExpanded",value:function(e){return void 0!==e.parentElement.getElementsByTagName("li")[0]}},{key:"getId",value:function(e){return e.parentElement.id}},{key:"getIdFromCheckbox",value:function(e){return e.id.replace("checkbox-","")}},{key:"getSwitchElement",value:function(e){return document.getElementById("switch-".concat(e))}},{key:"isChecked",value:function(e){return e.checked}},{key:"setCheckbox",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=document.getElementById("checkbox-".concat(e));r&&(t!==r.checked&&(r.checked=t),i!==r.indeterminate&&(r.indeterminate=i,i&&(r.checked=!1)))}},{key:"setXRayed",value:function(e,t){var i=document.getElementById(e);i&&(t?i.classList.add("xrayed-node"):i.classList.remove("xrayed-node"))}},{key:"setHighlighted",value:function(e,t){var i=document.getElementById(e);i&&(t?(i.scrollIntoView({block:"center"}),i.classList.add("highlighted-node")):i.classList.remove("highlighted-node"))}}]),e}(),TF=[],LF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(s=t.call(this,"TreeViewPlugin",e)).errors=[],s.valid=!0;var o=n.containerElement||document.getElementById(n.containerElementId);if(!(o instanceof HTMLElement))return s.error("Mandatory config expected: valid containerElementId or containerElement"),y(s);for(var a=0;;a++)if(!TF[a]){TF[a]=b(s),s._index=a,s._id="tree-".concat(a);break}if(s._containerElement=o,s._metaModels={},s._autoAddModels=!1!==n.autoAddModels,s._autoExpandDepth=n.autoExpandDepth||0,s._sortNodes=!1!==n.sortNodes,s._viewer=e,s._rootElement=null,s._muteSceneEvents=!1,s._muteTreeEvents=!1,s._rootNodes=[],s._objectNodes={},s._nodeNodes={},s._rootNames={},s._sortNodes=n.sortNodes,s._pruneEmptyNodes=n.pruneEmptyNodes,s._showListItemElementId=null,s._renderService=n.renderService||new SF,s._showIndeterminate=null!==(r=n.showIndeterminate)&&void 0!==r&&r,!s._renderService)throw new Error("TreeViewPlugin: no render service set");if(s._containerElement.oncontextmenu=function(e){e.preventDefault()},s._onObjectVisibility=s._viewer.scene.on("objectVisibility",(function(e){if(!s._muteSceneEvents){var t=e.id,i=s._objectNodes[t];if(i){var r=e.visible;if(r!==i.checked){s._muteTreeEvents=!0,i.checked=r,r?i.numVisibleEntities++:i.numVisibleEntities--,s._renderService.setCheckbox(i.nodeId,r);for(var n=i.parent;n;){n.checked=r,r?n.numVisibleEntities++:n.numVisibleEntities--;var o=s._showIndeterminate&&n.numVisibleEntities>0&&n.numVisibleEntities<n.numEntities;s._renderService.setCheckbox(n.nodeId,n.numVisibleEntities>0,o),n=n.parent}s._muteTreeEvents=!1}}}})),s._onObjectXrayed=s._viewer.scene.on("objectXRayed",(function(e){if(!s._muteSceneEvents){var t=e.id,i=s._objectNodes[t];if(i){s._muteTreeEvents=!0;var r=e.xrayed;r!==i.xrayed&&(i.xrayed=r,s._renderService.setXRayed(i.nodeId,r),s._muteTreeEvents=!1)}}})),s._switchExpandHandler=function(e){e.preventDefault(),e.stopPropagation();var t=e.target;s._expandSwitchElement(t)},s._switchCollapseHandler=function(e){e.preventDefault(),e.stopPropagation();var t=e.target;s._collapseSwitchElement(t)},s._checkboxChangeHandler=function(e){if(!s._muteTreeEvents){s._muteSceneEvents=!0;var t=e.target,i=s._renderService.isChecked(t),r=s._renderService.getIdFromCheckbox(t),n=s._nodeNodes[r],o=s._viewer.scene.objects,a=0;s._withNodeTree(n,(function(e){var t=e.objectId,r=o[t],n=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,n&&i!==e.checked&&a++,e.checked=i,s._renderService.setCheckbox(e.nodeId,i),r&&(r.visible=i)}));for(var l=n.parent;l;){l.checked=i,i?l.numVisibleEntities+=a:l.numVisibleEntities-=a;var u=s._showIndeterminate&&l.numVisibleEntities>0&&l.numVisibleEntities<l.numEntities;s._renderService.setCheckbox(l.nodeId,l.numVisibleEntities>0,u),l=l.parent}s._muteSceneEvents=!1}},s._hierarchy=n.hierarchy||"containment",s._autoExpandDepth=n.autoExpandDepth||0,s._autoAddModels){for(var l=Object.keys(s.viewer.metaScene.metaModels),u=0,c=l.length;u<c;u++){var A=l[u],h=s.viewer.metaScene.metaModels[A];h.finalized&&s.addModel(A)}s.viewer.scene.on("modelLoaded",(function(e){s.viewer.metaScene.metaModels[e]&&s.addModel(e)}))}return s.hierarchy=n.hierarchy,s}return C(i,[{key:"hierarchy",get:function(){return this._hierarchy},set:function(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}},{key:"addModel",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this._containerElement){var r=this.viewer.scene.models[e];if(!r)throw"Model not found: "+e;var s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,i&&i.rootName&&(this._rootNames[e]=i.rootName),r.on("destroyed",(function(){t.removeModel(r.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}}},{key:"removeModel",value:function(e){this._containerElement&&(this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes()))}},{key:"showNode",value:function(e){this.unShowNode();var t=this._objectNodes[e];if(t){this.collapse();var i=t.nodeId,r=this._renderService.getSwitchElement(i);if(r)return this._expandSwitchElement(r),r.scrollIntoView(),!0;var s=[];s.unshift(t);for(var n=t.parent;n;)s.unshift(n),n=n.parent;for(var o=0,a=s.length;o<a;o++){var l=this._renderService.getSwitchElement(s[o].nodeId);l&&this._expandSwitchElement(l)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}}},{key:"unShowNode",value:function(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}},{key:"expandToDepth",value:function(e){var t=this;this.collapse();for(var i=function i(r,s){if(s!==e){var n=t._renderService.getSwitchElement(r.nodeId);if(n){t._expandSwitchElement(n);for(var o=r.children,a=0,l=o.length;a<l;a++){i(o[a],s+1)}}}},r=0,s=this._rootNodes.length;r<s;r++){i(this._rootNodes[r],0)}}},{key:"collapse",value:function(){for(var e=0,t=this._rootNodes.length;e<t;e++){var i=this._rootNodes[e].nodeId;this._collapseNode(i)}}},{key:"withNodeTree",value:function(e,t){t(e);var i=e.children;if(i)for(var r=0,s=i.length;r<s;r++)this.withNodeTree(i[r],t)}},{key:"destroy",value:function(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete TF[this._index],f(x(i.prototype),"destroy",this).call(this))}},{key:"_createNodes",value:function(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}},{key:"_validate",value:function(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}},{key:"_validateMetaModelForStoreysHierarchy",value:function(){return!0}},{key:"_createEnabledNodes",value:function(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}},{key:"_createDisabledNodes",value:function(){var e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);var t=this._viewer.metaScene.rootMetaObjects;for(var i in t){var r=t[i],s=r.type,n=r.name,o=n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s,a=this._renderService.createDisabledNodeElement(o);e.appendChild(a)}}},{key:"_findEmptyNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._findEmptyNodes2(e[t])}},{key:"_findEmptyNodes2",value:function(e){var t=this.viewer,i=t.scene,r=e.children,s=e.id,n=i.objects[s];if(e._countEntities=0,n&&e._countEntities++,r)for(var o=0,a=r.length;o<a;o++){var l=r[o];l._countEntities=this._findEmptyNodes2(l),e._countEntities+=l._countEntities}return e._countEntities}},{key:"_createStoreysNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createStoreysNodes2(e[t],null,null,null)}},{key:"_createStoreysNodes2",value:function(e,t,i,r){if(!this._pruneEmptyNodes||0!==e._countEntities){var s=e.type,n=e.name,o=e.children,a=e.id;if("IfcBuilding"===s)t={nodeId:"".concat(this._id,"-").concat(a),objectId:a,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s),type:s,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuildingStorey"===s){if(!t)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");i={nodeId:"".concat(this._id,"-").concat(a),objectId:a,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s,type:s,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i,r={}}else{if(i)if(this._viewer.scene.objects[a]){var l=(r=r||{})[s];l||(l={nodeId:"".concat(this._id,"-").concat(i.objectId,"-").concat(s),objectId:"".concat(i.objectId,"-").concat(s),title:s,type:s,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(l),this._objectNodes[l.objectId]=l,this._nodeNodes[l.nodeId]=l,r[s]=l);var u={nodeId:"".concat(this._id,"-").concat(a),objectId:a,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s,type:s,parent:l,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};l.children.push(u),this._objectNodes[u.objectId]=u,this._nodeNodes[u.nodeId]=u}}if(o)for(var c=0,A=o.length;c<A;c++){var h=o[c];this._createStoreysNodes2(h,t,i,r)}}}},{key:"_createTypesNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createTypesNodes2(e[t],null,null)}},{key:"_createTypesNodes2",value:function(e,t,i){if(!this._pruneEmptyNodes||0!==e._countEntities){var r=e.type,s=e.name,n=e.children,o=e.id;if(e.parent){if(t)if(this._viewer.scene.objects[o]){var a=i[r];a||(a={nodeId:"".concat(this._id,"-").concat(t.objectId,"-").concat(r),objectId:"".concat(t.objectId,"-").concat(r),title:r,type:r,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(a),this._objectNodes[a.objectId]=a,this._nodeNodes[a.nodeId]=a,i[r]=a);var l={nodeId:"".concat(this._id,"-").concat(o),objectId:o,title:s&&""!==s&&"Default"!==s?s:r,type:r,parent:a,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};a.children.push(l),this._objectNodes[l.objectId]=l,this._nodeNodes[l.nodeId]=l}}else t={nodeId:"".concat(this._id,"-").concat(o),objectId:o,title:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||(s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:r),type:r,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(n)for(var u=0,c=n.length;u<c;u++){var A=n[u];this._createTypesNodes2(A,t,i)}}}},{key:"_createContainmentNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createContainmentNodes2(e[t],null)}},{key:"_createContainmentNodes2",value:function(e,t){if(!this._pruneEmptyNodes||0!==e._countEntities){var i=e.type,r=e.name||i,s=e.children,n=e.id,o={nodeId:"".concat(this._id,"-").concat(n),objectId:n,title:t?r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:i:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||r,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(o):this._rootNodes.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o,s)for(var a=0,l=s.length;a<l;a++){var u=s[a];this._createContainmentNodes2(u,o)}}}},{key:"_doSortNodes",value:function(){for(var e=0,t=this._rootNodes.length;e<t;e++){var i=this._rootNodes[e];this._sortChildren(i)}}},{key:"_sortChildren",value:function(e){var t=e.children;if(t&&0!==t.length){var i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?t.sort(this._alphaSortFunc):t.sort(this._getSpatialSortFunc());for(var r=0,s=t.length;r<s;r++){var n=t[r];this._sortChildren(n)}}}},{key:"_getSpatialSortFunc",value:function(){var e=this,t=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(i,r){t.xUp||t.yUp;var s=e.viewer.metaScene,n=s.metaObjects[i.objectId],o=s.metaObjects[r.objectId];if(n&&n.attributes&&void 0!==n.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){var a=Number.parseFloat(n.attributes.elevation),l=Number.parseFloat(o.attributes.elevation);return a>l?-1:a<l?1:0}return 0})}},{key:"_alphaSortFunc",value:function(e,t){var i=e.title.toUpperCase(),r=t.title.toUpperCase();return i<r?-1:i>r?1:0}},{key:"_synchNodesToEntities",value:function(){for(var e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects,r=0,s=e.length;r<s;r++){var n=e[r];if(t[n]){var o=this._objectNodes[n];if(o){var a=i[n];if(a){var l=a.visible;o.numEntities=1,o.xrayed=a.xrayed,l?(o.numVisibleEntities=1,o.checked=!0):(o.numVisibleEntities=0,o.checked=!1);for(var u=o.parent;u;)u.numEntities++,l&&(u.numVisibleEntities++,u.checked=!0),u=u.parent}}}}}},{key:"_withNodeTree",value:function(e,t){t(e);var i=e.children;if(i)for(var r=0,s=i.length;r<s;r++)this._withNodeTree(i[r],t)}},{key:"_createTrees",value:function(){var e=this;if(0!==this._rootNodes.length){var t=this._rootNodes.map((function(t){return e._createNodeElement(t)})),i=this._renderService.createRootNode();t.forEach((function(e){i.appendChild(e)})),this._containerElement.appendChild(i),this._rootElement=i}}},{key:"_createNodeElement",value:function(e){var t=this;return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(function(i){t.fire("contextmenu",{event:i,viewer:t._viewer,treeViewPlugin:t,treeViewNode:e}),i.preventDefault()}),(function(i){t.fire("nodeTitleClicked",{event:i,viewer:t._viewer,treeViewPlugin:t,treeViewNode:e}),i.preventDefault()}))}},{key:"_expandSwitchElement",value:function(e){var t=this;if(!this._renderService.isExpanded(e)){var i=this._renderService.getId(e),r=this._nodeNodes[i].children.map((function(e){return t._createNodeElement(e)}));this._renderService.addChildren(e,r),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}}},{key:"_collapseNode",value:function(e){var t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}},{key:"_collapseSwitchElement",value:function(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}}]),i}(),RF=function(){function e(t){var i=this;B(this,e),this._scene=t,this._objects=[],this._objectsViewCulled=[],this._objectsDetailCulled=[],this._objectsChanged=[],this._objectsChangedList=[],this._modelInfos={},this._numObjects=0,this._lenObjectsChangedList=0,this._dirty=!0,this._onModelLoaded=t.on("modelLoaded",(function(e){var r=t.models[e];r&&i._addModel(r)})),this._onTick=t.on("tick",(function(){i._dirty&&i._build(),i._applyChanges()}))}return C(e,[{key:"_addModel",value:function(e){var t=this,i={model:e,onDestroyed:e.on("destroyed",(function(){t._removeModel(e)}))};this._modelInfos[e.id]=i,this._dirty=!0}},{key:"_removeModel",value:function(e){var t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._dirty=!0)}},{key:"_build",value:function(){if(this._dirty){this._applyChanges();for(var e=this._scene.objects,t=0;t<this._numObjects;t++)this._objects[t]=null;for(var i in this._numObjects=0,e){var r=e[i];this._objects[this._numObjects++]=r}this._lenObjectsChangedList=0,this._dirty=!1}}},{key:"_applyChanges",value:function(){if(this._lenObjectsChangedList>0){for(var e=0;e<this._lenObjectsChangedList;e++){var t=this._objectsChangedList[e],i=this._objects[t],r=this._objectsViewCulled[t],s=this._objectsDetailCulled[t],n=r||s;i.culled=n,this._objectsChanged[t]=!1}this._lenObjectsChangedList=0}}},{key:"objects",get:function(){return this._dirty&&this._build(),this._objects}},{key:"numObjects",get:function(){return this._dirty&&this._build(),this._numObjects}},{key:"setObjectViewCulled",value:function(e,t){this._dirty&&this._build(),this._objectsViewCulled[e]!==t&&(this._objectsViewCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}},{key:"setObjectDetailCulled",value:function(e,t){this._dirty&&this._build(),this._objectsDetailCulled[e]!==t&&(this._objectsDetailCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}},{key:"_destroy",value:function(){this._clear(),this._scene.off(this._onModelLoaded),this._scene.off(this._onTick)}},{key:"_clear",value:function(){for(var e in this._modelInfos){var t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._dirty=!0}}]),e}(),UF={};function OF(e){var t=e.id,i=UF[t];return i||(i=new RF(e),UF[t]=i,e.on("destroyed",(function(){delete UF[t],i._destroy()}))),i}var NF=new Float32Array(3),QF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"ViewCull",e))._objectCullStates=OF(e.scene),r._maxTreeDepth=s.maxTreeDepth||8,r._modelInfos={},r._frustum=new Ie,r._kdRoot=null,r._frustumDirty=!1,r._kdTreeDirty=!1,r._onViewMatrix=e.scene.camera.on("viewMatrix",(function(){r._frustumDirty=!0})),r._onProjMatrix=e.scene.camera.on("projMatMatrix",(function(){r._frustumDirty=!0})),r._onModelLoaded=e.scene.on("modelLoaded",(function(e){var t=r.viewer.scene.models[e];t&&r._addModel(t)})),r._onSceneTick=e.scene.on("tick",(function(){r._doCull()})),r}return C(i,[{key:"enabled",get:function(){return this._enabled},set:function(e){this._enabled=e}},{key:"_addModel",value:function(e){var t=this,i={model:e,onDestroyed:e.on("destroyed",(function(){t._removeModel(e)}))};this._modelInfos[e.id]=i,this._kdTreeDirty=!0}},{key:"_removeModel",value:function(e){var t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._kdTreeDirty=!0)}},{key:"_doCull",value:function(){var e=this._frustumDirty||this._kdTreeDirty;if(this._frustumDirty&&this._buildFrustum(),this._kdTreeDirty&&this._buildKDTree(),e){var t=this._kdRoot;t&&this._visitKDNode(t)}}},{key:"_buildFrustum",value:function(){var e=this.viewer.scene.camera;De(this._frustum,e.viewMatrix,e.projMatrix),this._frustumDirty=!1}},{key:"_buildKDTree",value:function(){var e=this.viewer.scene;this._kdRoot,this._kdRoot={aabb:e.getAABB(),intersection:Ie.INTERSECT};for(var t=0,i=this._objectCullStates.numObjects;t<i;t++){var r=this._objectCullStates.objects[t];this._insertEntityIntoKDTree(this._kdRoot,r,t,1)}this._kdTreeDirty=!1}},{key:"_insertEntityIntoKDTree",value:function(e,t,i,r){var s=t.aabb;if(r>=this._maxTreeDepth)return e.objects=e.objects||[],e.objects.push(i),void re.expandAABB3(e.aabb,s);if(e.left&&re.containsAABB3(e.left.aabb,s))this._insertEntityIntoKDTree(e.left,t,i,r+1);else if(e.right&&re.containsAABB3(e.right.aabb,s))this._insertEntityIntoKDTree(e.right,t,i,r+1);else{var n=e.aabb;NF[0]=n[3]-n[0],NF[1]=n[4]-n[1],NF[2]=n[5]-n[2];var o=0;if(NF[1]>NF[o]&&(o=1),NF[2]>NF[o]&&(o=2),!e.left){var a=n.slice();if(a[o+3]=(n[o]+n[o+3])/2,e.left={aabb:a,intersection:Ie.INTERSECT},re.containsAABB3(a,s))return void this._insertEntityIntoKDTree(e.left,t,i,r+1)}if(!e.right){var l=n.slice();if(l[o]=(n[o]+n[o+3])/2,e.right={aabb:l,intersection:Ie.INTERSECT},re.containsAABB3(l,s))return void this._insertEntityIntoKDTree(e.right,t,i,r+1)}e.objects=e.objects||[],e.objects.push(i),re.expandAABB3(e.aabb,s)}}},{key:"_visitKDNode",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(t===Ie.INTERSECT||e.intersects!==t){t===Ie.INTERSECT&&(t=Se(this._frustum,e.aabb),e.intersects=t);var i=t===Ie.OUTSIDE,r=e.objects;if(r&&r.length>0)for(var s=0,n=r.length;s<n;s++){var o=r[s];this._objectCullStates.setObjectViewCulled(o,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._clear();var e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}},{key:"_clear",value:function(){for(var e in this._modelInfos){var t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}}]),i}(),VF=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getManifest",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getMetaModel",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getXKT",value:function(e,t,i){var r=function(){};t=t||r,i=i||r;var s=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(s){var n=!!s[2],o=s[3];o=window.decodeURIComponent(o),n&&(o=window.atob(o));try{for(var a=new ArrayBuffer(o.length),l=new Uint8Array(a),u=0;u<o.length;u++)l[u]=o.charCodeAt(u);t(a)}catch(e){i(e)}}else{var c=new XMLHttpRequest;c.open("GET",this._cacheBusterURL(e),!0),c.responseType="arraybuffer",c.onreadystatechange=function(){4===c.readyState&&(200===c.status?t(c.response):i("getXKT error : "+c.response))},c.send(null)}}}]),e}();!function(e,t){"object"==("undefined"==typeof exports?"undefined":w(exports))&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).pako={})}(void 0,(function(e){function t(e){for(var t=e.length;--t>=0;)e[t]=0}var i=new Uint8Array([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0]),r=new Uint8Array([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13]),s=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7]),n=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),o=new Array(576);t(o);var a=new Array(60);t(a);var l=new Array(512);t(l);var u=new Array(256);t(u);var c=new Array(29);t(c);var A,h,d,p=new Array(30);function f(e,t,i,r,s){this.static_tree=e,this.extra_bits=t,this.extra_base=i,this.elems=r,this.max_length=s,this.has_stree=e&&e.length}function v(e,t){this.dyn_tree=e,this.max_code=0,this.stat_desc=t}t(p);var g=function(e){return e<256?l[e]:l[256+(e>>>7)]},m=function(e,t){e.pending_buf[e.pending++]=255&t,e.pending_buf[e.pending++]=t>>>8&255},_=function(e,t,i){e.bi_valid>16-i?(e.bi_buf|=t<<e.bi_valid&65535,m(e,e.bi_buf),e.bi_buf=t>>16-e.bi_valid,e.bi_valid+=i-16):(e.bi_buf|=t<<e.bi_valid&65535,e.bi_valid+=i)},y=function(e,t,i){_(e,i[2*t],i[2*t+1])},b=function(e,t){var i=0;do{i|=1&e,e>>>=1,i<<=1}while(--t>0);return i>>>1},x=function(e,t,i){var r,s,n=new Array(16),o=0;for(r=1;r<=15;r++)o=o+i[r-1]<<1,n[r]=o;for(s=0;s<=t;s++){var a=e[2*s+1];0!==a&&(e[2*s]=b(n[a]++,a))}},B=function(e){var t;for(t=0;t<286;t++)e.dyn_ltree[2*t]=0;for(t=0;t<30;t++)e.dyn_dtree[2*t]=0;for(t=0;t<19;t++)e.bl_tree[2*t]=0;e.dyn_ltree[512]=1,e.opt_len=e.static_len=0,e.sym_next=e.matches=0},P=function(e){e.bi_valid>8?m(e,e.bi_buf):e.bi_valid>0&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0},C=function(e,t,i,r){var s=2*t,n=2*i;return e[s]<e[n]||e[s]===e[n]&&r[t]<=r[i]},M=function(e,t,i){for(var r=e.heap[i],s=i<<1;s<=e.heap_len&&(s<e.heap_len&&C(t,e.heap[s+1],e.heap[s],e.depth)&&s++,!C(t,r,e.heap[s],e.depth));)e.heap[i]=e.heap[s],i=s,s<<=1;e.heap[i]=r},E=function(e,t,s){var n,o,a,l,A=0;if(0!==e.sym_next)do{n=255&e.pending_buf[e.sym_buf+A++],n+=(255&e.pending_buf[e.sym_buf+A++])<<8,o=e.pending_buf[e.sym_buf+A++],0===n?y(e,o,t):(a=u[o],y(e,a+256+1,t),0!==(l=i[a])&&(o-=c[a],_(e,o,l)),n--,a=g(n),y(e,a,s),0!==(l=r[a])&&(n-=p[a],_(e,n,l)))}while(A<e.sym_next);y(e,256,t)},F=function(e,t){var i,r,s,n=t.dyn_tree,o=t.stat_desc.static_tree,a=t.stat_desc.has_stree,l=t.stat_desc.elems,u=-1;for(e.heap_len=0,e.heap_max=573,i=0;i<l;i++)0!==n[2*i]?(e.heap[++e.heap_len]=u=i,e.depth[i]=0):n[2*i+1]=0;for(;e.heap_len<2;)n[2*(s=e.heap[++e.heap_len]=u<2?++u:0)]=1,e.depth[s]=0,e.opt_len--,a&&(e.static_len-=o[2*s+1]);for(t.max_code=u,i=e.heap_len>>1;i>=1;i--)M(e,n,i);s=l;do{i=e.heap[1],e.heap[1]=e.heap[e.heap_len--],M(e,n,1),r=e.heap[1],e.heap[--e.heap_max]=i,e.heap[--e.heap_max]=r,n[2*s]=n[2*i]+n[2*r],e.depth[s]=(e.depth[i]>=e.depth[r]?e.depth[i]:e.depth[r])+1,n[2*i+1]=n[2*r+1]=s,e.heap[1]=s++,M(e,n,1)}while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1],function(e,t){var i,r,s,n,o,a,l=t.dyn_tree,u=t.max_code,c=t.stat_desc.static_tree,A=t.stat_desc.has_stree,h=t.stat_desc.extra_bits,d=t.stat_desc.extra_base,p=t.stat_desc.max_length,f=0;for(n=0;n<=15;n++)e.bl_count[n]=0;for(l[2*e.heap[e.heap_max]+1]=0,i=e.heap_max+1;i<573;i++)(n=l[2*l[2*(r=e.heap[i])+1]+1]+1)>p&&(n=p,f++),l[2*r+1]=n,r>u||(e.bl_count[n]++,o=0,r>=d&&(o=h[r-d]),a=l[2*r],e.opt_len+=a*(n+o),A&&(e.static_len+=a*(c[2*r+1]+o)));if(0!==f){do{for(n=p-1;0===e.bl_count[n];)n--;e.bl_count[n]--,e.bl_count[n+1]+=2,e.bl_count[p]--,f-=2}while(f>0);for(n=p;0!==n;n--)for(r=e.bl_count[n];0!==r;)(s=e.heap[--i])>u||(l[2*s+1]!==n&&(e.opt_len+=(n-l[2*s+1])*l[2*s],l[2*s+1]=n),r--)}}(e,t),x(n,u,e.bl_count)},k=function(e,t,i){var 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Uint8Array(a.pending_buf_size),a.sym_buf=a.lit_bufsize,a.sym_end=3*(a.lit_bufsize-1),a.level=t,a.strategy=n,a.method=i,Ue(e)},Ne=Oe,Qe=function(e,t){return Le(e)||2!==e.state.wrap?ie:(e.state.gzhead=t,ee)},Ve=function(e,t){if(Le(e)||t>$||t<0)return e?ge(e,ie):ie;var i=e.state;if(!e.output||0!==e.avail_in&&!e.input||i.status===ve&&t!==q)return ge(e,0===e.avail_out?se:ie);var r=i.last_flush;if(i.last_flush=t,0!==i.pending){if(xe(e),0===e.avail_out)return i.last_flush=-1,ee}else if(0===e.avail_in&&me(t)<=me(r)&&t!==q)return ge(e,se);if(i.status===ve&&0!==e.avail_in)return ge(e,se);if(i.status===pe&&0===i.wrap&&(i.status=fe),i.status===pe){var s=Ae+(i.w_bits-8<<4)<<8;if(s|=(i.strategy>=ae||i.level<2?0:i.level<6?1:6===i.level?2:3)<<6,0!==i.strstart&&(s|=32),Pe(i,s+=31-s%31),0!==i.strstart&&(Pe(i,e.adler>>>16),Pe(i,65535&e.adler)),e.adler=1,i.status=fe,xe(e),0!==i.pending)return i.last_flush=-1,ee}if(57===i.status)if(e.adler=0,Be(i,31),Be(i,139),Be(i,8),i.gzhead)Be(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),Be(i,255&i.gzhead.time),Be(i,i.gzhead.time>>8&255),Be(i,i.gzhead.time>>16&255),Be(i,i.gzhead.time>>24&255),Be(i,9===i.level?2:i.strategy>=ae||i.level<2?4:0),Be(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(Be(i,255&i.gzhead.extra.length),Be(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(e.adler=V(e.adler,i.pending_buf,i.pending,0)),i.gzindex=0,i.status=69;else if(Be(i,0),Be(i,0),Be(i,0),Be(i,0),Be(i,0),Be(i,9===i.level?2:i.strategy>=ae||i.level<2?4:0),Be(i,3),i.status=fe,xe(e),0!==i.pending)return i.last_flush=-1,ee;if(69===i.status){if(i.gzhead.extra){for(var n=i.pending,o=(65535&i.gzhead.extra.length)-i.gzindex;i.pending+o>i.pending_buf_size;){var a=i.pending_buf_size-i.pending;if(i.pending_buf.set(i.gzhead.extra.subarray(i.gzindex,i.gzindex+a),i.pending),i.pending=i.pending_buf_size,i.gzhead.hcrc&&i.pending>n&&(e.adler=V(e.adler,i.pending_buf,i.pending-n,n)),i.gzindex+=a,xe(e),0!==i.pending)return i.last_flush=-1,ee;n=0,o-=a}var l=new Uint8Array(i.gzhead.extra);i.pending_buf.set(l.subarray(i.gzindex,i.gzindex+o),i.pending),i.pending+=o,i.gzhead.hcrc&&i.pending>n&&(e.adler=V(e.adler,i.pending_buf,i.pending-n,n)),i.gzindex=0}i.status=73}if(73===i.status){if(i.gzhead.name){var u,c=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>c&&(e.adler=V(e.adler,i.pending_buf,i.pending-c,c)),xe(e),0!==i.pending)return i.last_flush=-1,ee;c=0}u=i.gzindex<i.gzhead.name.length?255&i.gzhead.name.charCodeAt(i.gzindex++):0,Be(i,u)}while(0!==u);i.gzhead.hcrc&&i.pending>c&&(e.adler=V(e.adler,i.pending_buf,i.pending-c,c)),i.gzindex=0}i.status=91}if(91===i.status){if(i.gzhead.comment){var A,h=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>h&&(e.adler=V(e.adler,i.pending_buf,i.pending-h,h)),xe(e),0!==i.pending)return i.last_flush=-1,ee;h=0}A=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,Be(i,A)}while(0!==A);i.gzhead.hcrc&&i.pending>h&&(e.adler=V(e.adler,i.pending_buf,i.pending-h,h))}i.status=103}if(103===i.status){if(i.gzhead.hcrc){if(i.pending+2>i.pending_buf_size&&(xe(e),0!==i.pending))return i.last_flush=-1,ee;Be(i,255&e.adler),Be(i,e.adler>>8&255),e.adler=0}if(i.status=fe,xe(e),0!==i.pending)return i.last_flush=-1,ee}if(0!==e.avail_in||0!==i.lookahead||t!==Y&&i.status!==ve){var d=0===i.level?Fe(i,t):i.strategy===ae?function(e,t){for(var i;;){if(0===e.lookahead&&(Ee(e),0===e.lookahead)){if(t===Y)return 1;break}if(e.match_length=0,i=K(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,i&&(we(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,t===q?(we(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(we(e,!1),0===e.strm.avail_out)?1:2}(i,t):i.strategy===le?function(e,t){for(var i,r,s,n,o=e.window;;){if(e.lookahead<=he){if(Ee(e),e.lookahead<=he&&t===Y)return 1;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=3&&e.strstart>0&&((r=o[s=e.strstart-1])===o[++s]&&r===o[++s]&&r===o[++s])){n=e.strstart+he;do{}while(r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&s<n);e.match_length=he-(n-s),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=3?(i=K(e,1,e.match_length-3),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(i=K(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),i&&(we(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,t===q?(we(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(we(e,!1),0===e.strm.avail_out)?1:2}(i,t):Se[i.level].func(i,t);if(3!==d&&4!==d||(i.status=ve),1===d||3===d)return 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o=e.avail_in,a=e.next_in,l=e.input;for(e.avail_in=i,e.next_in=0,e.input=t,Ee(r);r.lookahead>=3;){var u=r.strstart,c=r.lookahead-2;do{r.ins_h=be(r,r.ins_h,r.window[u+3-1]),r.prev[u&r.w_mask]=r.head[r.ins_h],r.head[r.ins_h]=u,u++}while(--c);r.strstart=u,r.lookahead=2,Ee(r)}return r.strstart+=r.lookahead,r.block_start=r.strstart,r.insert=r.lookahead,r.lookahead=0,r.match_length=r.prev_length=2,r.match_available=0,e.next_in=a,e.input=l,e.avail_in=o,r.wrap=s,ee},Ge=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},ze=function(e){for(var t=Array.prototype.slice.call(arguments,1);t.length;){var i=t.shift();if(i){if("object"!=w(i))throw new TypeError(i+"must be non-object");for(var r in i)Ge(i,r)&&(e[r]=i[r])}}return e},We=function(e){for(var t=0,i=0,r=e.length;i<r;i++)t+=e[i].length;for(var s=new Uint8Array(t),n=0,o=0,a=e.length;n<a;n++){var l=e[n];s.set(l,o),o+=l.length}return s},Ke=!0;try{String.fromCharCode.apply(null,new Uint8Array(1))}catch(e){Ke=!1}for(var Xe=new 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ct(e){this.options=ze({level:at,method:ut,chunkSize:16384,windowBits:15,memLevel:8,strategy:lt},e||{});var t=this.options;t.raw&&t.windowBits>0?t.windowBits=-t.windowBits:t.gzip&&t.windowBits>0&&t.windowBits<16&&(t.windowBits+=16),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new $e,this.strm.avail_out=0;var i=Ne(this.strm,t.level,t.method,t.windowBits,t.memLevel,t.strategy);if(i!==nt)throw new Error(H[i]);if(t.header&&Qe(this.strm,t.header),t.dictionary){var r;if(r="string"==typeof t.dictionary?Je(t.dictionary):"[object ArrayBuffer]"===et.call(t.dictionary)?new Uint8Array(t.dictionary):t.dictionary,(i=je(this.strm,r))!==nt)throw new Error(H[i]);this._dict_set=!0}}function At(e,t){var i=new ct(t);if(i.push(e,!0),i.err)throw i.msg||H[i.err];return i.result}ct.prototype.push=function(e,t){var i,r,s=this.strm,n=this.options.chunkSize;if(this.ended)return!1;for(r=t===~~t?t:!0===t?st:tt,"string"==typeof e?s.input=Je(e):"[object ArrayBuffer]"===et.call(e)?s.input=new 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i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,x,w,B,P,C=e.state;i=e.next_in,B=e.input,r=i+(e.avail_in-5),s=e.next_out,P=e.output,n=s-(t-e.avail_out),o=s+(e.avail_out-257),a=C.dmax,l=C.wsize,u=C.whave,c=C.wnext,A=C.window,h=C.hold,d=C.bits,p=C.lencode,f=C.distcode,v=(1<<C.lenbits)-1,g=(1<<C.distbits)-1;e:do{d<15&&(h+=B[i++]<<d,d+=8,h+=B[i++]<<d,d+=8),m=p[h&v];t:for(;;){if(h>>>=_=m>>>24,d-=_,0===(_=m>>>16&255))P[s++]=65535&m;else{if(!(16&_)){if(0==(64&_)){m=p[(65535&m)+(h&(1<<_)-1)];continue t}if(32&_){C.mode=16191;break e}e.msg="invalid literal/length code",C.mode=vt;break e}y=65535&m,(_&=15)&&(d<_&&(h+=B[i++]<<d,d+=8),y+=h&(1<<_)-1,h>>>=_,d-=_),d<15&&(h+=B[i++]<<d,d+=8,h+=B[i++]<<d,d+=8),m=f[h&g];i:for(;;){if(h>>>=_=m>>>24,d-=_,!(16&(_=m>>>16&255))){if(0==(64&_)){m=f[(65535&m)+(h&(1<<_)-1)];continue i}e.msg="invalid distance code",C.mode=vt;break e}if(b=65535&m,d<(_&=15)&&(h+=B[i++]<<d,(d+=8)<_&&(h+=B[i++]<<d,d+=8)),(b+=h&(1<<_)-1)>a){e.msg="invalid distance too far back",C.mode=vt;break 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Uint16Array([1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0]),bt=new Uint8Array([16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64]),xt=function(e,t,i,r,s,n,o,a){var l,u,c,A,h,d,p,f,v,g=a.bits,m=0,_=0,y=0,b=0,x=0,w=0,B=0,P=0,C=0,M=0,E=null,F=new Uint16Array(16),k=new Uint16Array(16),I=null;for(m=0;m<=15;m++)F[m]=0;for(_=0;_<r;_++)F[t[i+_]]++;for(x=g,b=15;b>=1&&0===F[b];b--);if(x>b&&(x=b),0===b)return s[n++]=20971520,s[n++]=20971520,a.bits=1,0;for(y=1;y<b&&0===F[y];y++);for(x<y&&(x=y),P=1,m=1;m<=15;m++)if(P<<=1,(P-=F[m])<0)return-1;if(P>0&&(0===e||1!==b))return-1;for(k[1]=0,m=1;m<15;m++)k[m+1]=k[m]+F[m];for(_=0;_<r;_++)0!==t[i+_]&&(o[k[t[i+_]]++]=_);if(0===e?(E=I=o,d=20):1===e?(E=mt,I=_t,d=257):(E=yt,I=bt,d=0),M=0,_=0,m=y,h=n,w=x,B=0,c=-1,A=(C=1<<x)-1,1===e&&C>852||2===e&&C>592)return 1;for(;;){p=m-B,o[_]+1<d?(f=0,v=o[_]):o[_]>=d?(f=I[o[_]-d],v=E[o[_]-d]):(f=96,v=0),l=1<<m-B,y=u=1<<w;do{s[h+(M>>B)+(u-=l)]=p<<24|f<<16|v|0}while(0!==u);for(l=1<<m-1;M&l;)l>>=1;if(0!==l?(M&=l-1,M+=l):M=0,_++,0==--F[m]){if(m===b)break;m=t[i+o[_]]}if(m>x&&(M&A)!==c){for(0===B&&(B=x),h+=y,P=1<<(w=m-B);w+B<b&&!((P-=F[w+B])<=0);)w++,P<<=1;if(C+=1<<w,1===e&&C>852||2===e&&C>592)return 1;s[c=M&A]=x<<24|w<<16|h-n|0}}return 0!==M&&(s[h+M]=m-B<<24|64<<16|0),a.bits=x,0},wt=j.Z_FINISH,Bt=j.Z_BLOCK,Pt=j.Z_TREES,Ct=j.Z_OK,Mt=j.Z_STREAM_END,Et=j.Z_NEED_DICT,Ft=j.Z_STREAM_ERROR,kt=j.Z_DATA_ERROR,It=j.Z_MEM_ERROR,Dt=j.Z_BUF_ERROR,St=j.Z_DEFLATED,Tt=16180,Lt=16190,Rt=16191,Ut=16192,Ot=16194,Nt=16199,Qt=16200,Vt=16206,Ht=16209,jt=function(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)};function Gt(){this.strm=null,this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new Uint16Array(320),this.work=new Uint16Array(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}var zt,Wt,Kt=function(e){if(!e)return 1;var t=e.state;return!t||t.strm!==e||t.mode<Tt||t.mode>16211?1:0},Xt=function(e){if(Kt(e))return Ft;var t=e.state;return e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=Tt,t.last=0,t.havedict=0,t.flags=-1,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new Int32Array(852),t.distcode=t.distdyn=new Int32Array(592),t.sane=1,t.back=-1,Ct},Yt=function(e){if(Kt(e))return Ft;var t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,Xt(e)},Jt=function(e,t){var i;if(Kt(e))return Ft;var r=e.state;return t<0?(i=0,t=-t):(i=5+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?Ft:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=i,r.wbits=t,Yt(e))},Zt=function(e,t){if(!e)return Ft;var i=new Gt;e.state=i,i.strm=e,i.window=null,i.mode=Tt;var r=Jt(e,t);return r!==Ct&&(e.state=null),r},qt=!0,$t=function(e){if(qt){zt=new Int32Array(512),Wt=new Int32Array(32);for(var t=0;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(xt(1,e.lens,0,288,zt,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;xt(2,e.lens,0,32,Wt,0,e.work,{bits:5}),qt=!1}e.lencode=zt,e.lenbits=9,e.distcode=Wt,e.distbits=5},ei=function(e,t,i,r){var s,n=e.state;return null===n.window&&(n.wsize=1<<n.wbits,n.wnext=0,n.whave=0,n.window=new Uint8Array(n.wsize)),r>=n.wsize?(n.window.set(t.subarray(i-n.wsize,i),0),n.wnext=0,n.whave=n.wsize):((s=n.wsize-n.wnext)>r&&(s=r),n.window.set(t.subarray(i-r,i-r+s),n.wnext),(r-=s)?(n.window.set(t.subarray(i-r,i),0),n.wnext=r,n.whave=n.wsize):(n.wnext+=s,n.wnext===n.wsize&&(n.wnext=0),n.whave<n.wsize&&(n.whave+=s))),0},ti=Yt,ii=Zt,ri=function(e,t){var i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,x,w,B,P,C=0,M=new Uint8Array(4),E=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(Kt(e)||!e.output||!e.input&&0!==e.avail_in)return Ft;(i=e.state).mode===Rt&&(i.mode=Ut),o=e.next_out,s=e.output,l=e.avail_out,n=e.next_in,r=e.input,a=e.avail_in,u=i.hold,c=i.bits,A=a,h=l,w=Ct;e:for(;;)switch(i.mode){case Tt:if(0===i.wrap){i.mode=Ut;break}for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(2&i.wrap&&35615===u){0===i.wbits&&(i.wbits=15),i.check=0,M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0),u=0,c=0,i.mode=16181;break}if(i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&u)<<8)+(u>>8))%31){e.msg="incorrect header check",i.mode=Ht;break}if((15&u)!==St){e.msg="unknown compression method",i.mode=Ht;break}if(c-=4,x=8+(15&(u>>>=4)),0===i.wbits&&(i.wbits=x),x>15||x>i.wbits){e.msg="invalid window size",i.mode=Ht;break}i.dmax=1<<i.wbits,i.flags=0,e.adler=i.check=1,i.mode=512&u?16189:Rt,u=0,c=0;break;case 16181:for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(i.flags=u,(255&i.flags)!==St){e.msg="unknown compression method",i.mode=Ht;break}if(57344&i.flags){e.msg="unknown header flags set",i.mode=Ht;break}i.head&&(i.head.text=u>>8&1),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0,i.mode=16182;case 16182:for(;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.head&&(i.head.time=u),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,M[2]=u>>>16&255,M[3]=u>>>24&255,i.check=V(i.check,M,4,0)),u=0,c=0,i.mode=16183;case 16183:for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.head&&(i.head.xflags=255&u,i.head.os=u>>8),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0,i.mode=16184;case 16184:if(1024&i.flags){for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.length=u,i.head&&(i.head.extra_len=u),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0}else i.head&&(i.head.extra=null);i.mode=16185;case 16185:if(1024&i.flags&&((d=i.length)>a&&(d=a),d&&(i.head&&(x=i.head.extra_len-i.length,i.head.extra||(i.head.extra=new Uint8Array(i.head.extra_len)),i.head.extra.set(r.subarray(n,n+d),x)),512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,i.length-=d),i.length))break e;i.length=0,i.mode=16186;case 16186:if(2048&i.flags){if(0===a)break e;d=0;do{x=r[n+d++],i.head&&x&&i.length<65536&&(i.head.name+=String.fromCharCode(x))}while(x&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,x)break e}else i.head&&(i.head.name=null);i.length=0,i.mode=16187;case 16187:if(4096&i.flags){if(0===a)break e;d=0;do{x=r[n+d++],i.head&&x&&i.length<65536&&(i.head.comment+=String.fromCharCode(x))}while(x&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,x)break e}else i.head&&(i.head.comment=null);i.mode=16188;case 16188:if(512&i.flags){for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(4&i.wrap&&u!==(65535&i.check)){e.msg="header crc mismatch",i.mode=Ht;break}u=0,c=0}i.head&&(i.head.hcrc=i.flags>>9&1,i.head.done=!0),e.adler=i.check=0,i.mode=Rt;break;case 16189:for(;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}e.adler=i.check=jt(u),u=0,c=0,i.mode=Lt;case Lt:if(0===i.havedict)return e.next_out=o,e.avail_out=l,e.next_in=n,e.avail_in=a,i.hold=u,i.bits=c,Et;e.adler=i.check=1,i.mode=Rt;case Rt:if(t===Bt||t===Pt)break e;case Ut:if(i.last){u>>>=7&c,c-=7&c,i.mode=Vt;break}for(;c<3;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}switch(i.last=1&u,c-=1,3&(u>>>=1)){case 0:i.mode=16193;break;case 1:if($t(i),i.mode=Nt,t===Pt){u>>>=2,c-=2;break e}break;case 2:i.mode=16196;break;case 3:e.msg="invalid block type",i.mode=Ht}u>>>=2,c-=2;break;case 16193:for(u>>>=7&c,c-=7&c;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if((65535&u)!=(u>>>16^65535)){e.msg="invalid stored block lengths",i.mode=Ht;break}if(i.length=65535&u,u=0,c=0,i.mode=Ot,t===Pt)break e;case Ot:i.mode=16195;case 16195:if(d=i.length){if(d>a&&(d=a),d>l&&(d=l),0===d)break e;s.set(r.subarray(n,n+d),o),a-=d,n+=d,l-=d,o+=d,i.length-=d;break}i.mode=Rt;break;case 16196:for(;c<14;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(i.nlen=257+(31&u),u>>>=5,c-=5,i.ndist=1+(31&u),u>>>=5,c-=5,i.ncode=4+(15&u),u>>>=4,c-=4,i.nlen>286||i.ndist>30){e.msg="too many length or distance symbols",i.mode=Ht;break}i.have=0,i.mode=16197;case 16197:for(;i.have<i.ncode;){for(;c<3;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.lens[E[i.have++]]=7&u,u>>>=3,c-=3}for(;i.have<19;)i.lens[E[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,B={bits:i.lenbits},w=xt(0,i.lens,0,19,i.lencode,0,i.work,B),i.lenbits=B.bits,w){e.msg="invalid code lengths set",i.mode=Ht;break}i.have=0,i.mode=16198;case 16198:for(;i.have<i.nlen+i.ndist;){for(;g=(C=i.lencode[u&(1<<i.lenbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(m<16)u>>>=v,c-=v,i.lens[i.have++]=m;else{if(16===m){for(P=v+2;c<P;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(u>>>=v,c-=v,0===i.have){e.msg="invalid bit length repeat",i.mode=Ht;break}x=i.lens[i.have-1],d=3+(3&u),u>>>=2,c-=2}else if(17===m){for(P=v+3;c<P;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}c-=v,x=0,d=3+(7&(u>>>=v)),u>>>=3,c-=3}else{for(P=v+7;c<P;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}c-=v,x=0,d=11+(127&(u>>>=v)),u>>>=7,c-=7}if(i.have+d>i.nlen+i.ndist){e.msg="invalid bit length repeat",i.mode=Ht;break}for(;d--;)i.lens[i.have++]=x}}if(i.mode===Ht)break;if(0===i.lens[256]){e.msg="invalid code -- missing end-of-block",i.mode=Ht;break}if(i.lenbits=9,B={bits:i.lenbits},w=xt(1,i.lens,0,i.nlen,i.lencode,0,i.work,B),i.lenbits=B.bits,w){e.msg="invalid literal/lengths set",i.mode=Ht;break}if(i.distbits=6,i.distcode=i.distdyn,B={bits:i.distbits},w=xt(2,i.lens,i.nlen,i.ndist,i.distcode,0,i.work,B),i.distbits=B.bits,w){e.msg="invalid distances set",i.mode=Ht;break}if(i.mode=Nt,t===Pt)break e;case Nt:i.mode=Qt;case Qt:if(a>=6&&l>=258){e.next_out=o,e.avail_out=l,e.next_in=n,e.avail_in=a,i.hold=u,i.bits=c,gt(e,h),o=e.next_out,s=e.output,l=e.avail_out,n=e.next_in,r=e.input,a=e.avail_in,u=i.hold,c=i.bits,i.mode===Rt&&(i.back=-1);break}for(i.back=0;g=(C=i.lencode[u&(1<<i.lenbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(g&&0==(240&g)){for(_=v,y=g,b=m;g=(C=i.lencode[b+((u&(1<<_+y)-1)>>_)])>>>16&255,m=65535&C,!(_+(v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}u>>>=_,c-=_,i.back+=_}if(u>>>=v,c-=v,i.back+=v,i.length=m,0===g){i.mode=16205;break}if(32&g){i.back=-1,i.mode=Rt;break}if(64&g){e.msg="invalid literal/length code",i.mode=Ht;break}i.extra=15&g,i.mode=16201;case 16201:if(i.extra){for(P=i.extra;c<P;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.length+=u&(1<<i.extra)-1,u>>>=i.extra,c-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=16202;case 16202:for(;g=(C=i.distcode[u&(1<<i.distbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(0==(240&g)){for(_=v,y=g,b=m;g=(C=i.distcode[b+((u&(1<<_+y)-1)>>_)])>>>16&255,m=65535&C,!(_+(v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}u>>>=_,c-=_,i.back+=_}if(u>>>=v,c-=v,i.back+=v,64&g){e.msg="invalid distance code",i.mode=Ht;break}i.offset=m,i.extra=15&g,i.mode=16203;case 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o=n.getNextId(),a=JSON.parse(i.types),l=JSON.parse(i.eachMetaObjectId),u=i.eachMetaObjectType,c=JSON.parse(i.eachMetaObjectName),A=i.eachMetaObjectParent,h=i.positions,d=i.normals,p=i.colors,f=i.indices,v=i.edgeIndices,g=i.matrices,m=i.reusedGeometriesDecodeMatrix,_=i.eachGeometryPrimitiveType,y=i.eachGeometryPositionsPortion,b=i.eachGeometryNormalsPortion,x=i.eachGeometryColorsPortion,w=i.eachGeometryIndicesPortion,B=i.eachGeometryEdgeIndicesPortion,P=i.eachMeshGeometriesPortion,C=i.eachMeshMatricesPortion,M=i.eachMeshMaterial,E=i.eachEntityMetaObject,F=i.eachEntityMeshesPortion,k=i.eachTileAABB,I=i.eachTileEntitiesPortion,D=l.length,S=y.length,T=P.length,L=E.length,R=I.length;if(s){for(var U={metaObjects:[]},O=0;O<D;O++){var N=l[O],Q=a[u[O]]||"default",V=c[O],H=A[O],j=H!==O?l[H]:null;U.metaObjects.push({id:N,type:Q,name:V,parent:j})}s.loadData(U,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds})}for(var G=new Uint32Array(S),z=0;z<T;z++){var W=P[z];void 0!==G[W]?G[W]++:G[W]=1}for(var K=re.vec3(),X=re.AABB3(),Y={},J=0;J<R;J++){var Z=J===R-1,q=I[J],$=Z?L:I[J+1],ee=6*J,te=k.subarray(ee,ee+6);re.getAABB3Center(te,K),X[0]=te[0]-K[0],X[1]=te[1]-K[1],X[2]=te[2]-K[2],X[3]=te[3]-K[0],X[4]=te[4]-K[1],X[5]=te[5]-K[2];for(var ie=zi.createPositionsDecodeMatrix(X),se={},ne=q;ne<$;ne++){var oe=l[E[ne]],ae=t.globalizeObjectIds?re.globalizeObjectId(r.id,oe):oe,le=ne===L-1,ue=F[ne],ce=le?P.length:F[ne+1],Ae=[],de=e.metaScene.metaObjects[ae],pe={},fe={};if(de){if(t.excludeTypesMap&&de.type&&t.excludeTypesMap[de.type])continue;if(t.includeTypesMap&&de.type&&!t.includeTypesMap[de.type])continue;var ve=t.objectDefaults?t.objectDefaults[de.type]||t.objectDefaults.DEFAULT:null;ve&&(!1===ve.visible&&(pe.visible=!1),!1===ve.pickable&&(pe.pickable=!1),ve.colorize&&(fe.color=ve.colorize),void 0!==ve.opacity&&null!==ve.opacity&&(fe.opacity=ve.opacity),void 0!==ve.metallic&&null!==ve.metallic&&(fe.metallic=ve.metallic),void 0!==ve.roughness&&null!==ve.roughness&&(fe.roughness=ve.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var ge=ue;ge<ce;ge++){var me=P[ge],_e=G[me]>1,ye=me===S-1,be=vk(M.subarray(6*ge,6*ge+3)),xe=M[6*ge+3]/255,we=M[6*ge+4]/255,Be=M[6*ge+5]/255,Pe=n.getNextId();if(_e){var Ce=C[ge],Me=g.slice(Ce,Ce+16),Ee="".concat(o,"-geometry.").concat(J,".").concat(me),Fe=Y[Ee];if(!Fe){Fe={batchThisMesh:!t.reuseGeometries};var ke=!1;switch(_[me]){case 0:Fe.primitiveName="solid",Fe.geometryPositions=h.subarray(y[me],ye?h.length:y[me+1]),Fe.geometryNormals=d.subarray(b[me],ye?d.length:b[me+1]),Fe.geometryIndices=f.subarray(w[me],ye?f.length:w[me+1]),Fe.geometryEdgeIndices=v.subarray(B[me],ye?v.length:B[me+1]),ke=Fe.geometryPositions.length>0&&Fe.geometryIndices.length>0;break;case 1:Fe.primitiveName="surface",Fe.geometryPositions=h.subarray(y[me],ye?h.length:y[me+1]),Fe.geometryNormals=d.subarray(b[me],ye?d.length:b[me+1]),Fe.geometryIndices=f.subarray(w[me],ye?f.length:w[me+1]),Fe.geometryEdgeIndices=v.subarray(B[me],ye?v.length:B[me+1]),ke=Fe.geometryPositions.length>0&&Fe.geometryIndices.length>0;break;case 2:Fe.primitiveName="points",Fe.geometryPositions=h.subarray(y[me],ye?h.length:y[me+1]),Fe.geometryColors=gk(p.subarray(x[me],ye?p.length:x[me+1])),ke=Fe.geometryPositions.length>0;break;case 3:Fe.primitiveName="lines",Fe.geometryPositions=h.subarray(y[me],ye?h.length:y[me+1]),Fe.geometryIndices=f.subarray(w[me],ye?f.length:w[me+1]),ke=Fe.geometryPositions.length>0&&Fe.geometryIndices.length>0;break;default:continue}if(ke||(Fe=null),Fe&&(Fe.geometryPositions.length,Fe.batchThisMesh)){Fe.decompressedPositions=new Float32Array(Fe.geometryPositions.length);for(var Ie=Fe.geometryPositions,De=Fe.decompressedPositions,Se=0,Te=Ie.length;Se<Te;Se+=3)De[Se+0]=Ie[Se+0]*m[0]+m[12],De[Se+1]=Ie[Se+1]*m[5]+m[13],De[Se+2]=Ie[Se+2]*m[10]+m[14];Fe.geometryPositions=null,Y[Ee]=Fe}}if(Fe)if(Fe.batchThisMesh){for(var Le=Fe.decompressedPositions,Re=new Uint16Array(Le.length),Ue=0,Oe=Le.length;Ue<Oe;Ue+=3)pk[0]=Le[Ue+0],pk[1]=Le[Ue+1],pk[2]=Le[Ue+2],pk[3]=1,re.transformVec4(Me,pk,fk),zi.compressPosition(fk,X,pk),Re[Ue+0]=pk[0],Re[Ue+1]=pk[1],Re[Ue+2]=pk[2];r.createMesh(he.apply(fe,{id:Pe,origin:K,primitive:Fe.primitiveName,positionsCompressed:Re,normalsCompressed:Fe.geometryNormals,colorsCompressed:Fe.geometryColors,indices:Fe.geometryIndices,edgeIndices:Fe.geometryEdgeIndices,positionsDecodeMatrix:ie,color:be,metallic:we,roughness:Be,opacity:xe})),Ae.push(Pe)}else se[Ee]||(r.createGeometry({id:Ee,primitive:Fe.primitiveName,positionsCompressed:Fe.geometryPositions,normalsCompressed:Fe.geometryNormals,colorsCompressed:Fe.geometryColors,indices:Fe.geometryIndices,edgeIndices:Fe.geometryEdgeIndices,positionsDecodeMatrix:m}),se[Ee]=!0),r.createMesh(he.apply(fe,{id:Pe,geometryId:Ee,origin:K,matrix:Me,color:be,metallic:we,roughness:Be,opacity:xe})),Ae.push(Pe)}else{var Ne=void 0,Qe=void 0,Ve=void 0,He=void 0,je=void 0,Ge=void 0,ze=!1;switch(_[me]){case 0:Ne="solid",Qe=h.subarray(y[me],ye?h.length:y[me+1]),Ve=d.subarray(b[me],ye?d.length:b[me+1]),je=f.subarray(w[me],ye?f.length:w[me+1]),Ge=v.subarray(B[me],ye?v.length:B[me+1]),ze=Qe.length>0&&je.length>0;break;case 1:Ne="surface",Qe=h.subarray(y[me],ye?h.length:y[me+1]),Ve=d.subarray(b[me],ye?d.length:b[me+1]),je=f.subarray(w[me],ye?f.length:w[me+1]),Ge=v.subarray(B[me],ye?v.length:B[me+1]),ze=Qe.length>0&&je.length>0;break;case 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o=function(e){return{metadata:e[0],positions:e[1],normals:e[2],colors:e[3],indices:e[4],edgeIndices:e[5],matrices:e[6],reusedGeometriesDecodeMatrix:e[7],eachGeometryPrimitiveType:e[8],eachGeometryPositionsPortion:e[9],eachGeometryNormalsPortion:e[10],eachGeometryColorsPortion:e[11],eachGeometryIndicesPortion:e[12],eachGeometryEdgeIndicesPortion:e[13],eachMeshGeometriesPortion:e[14],eachMeshMatricesPortion:e[15],eachMeshMaterial:e[16],eachEntityId:e[17],eachEntityMeshesPortion:e[18],eachTileAABB:e[19],eachTileEntitiesPortion:e[20]}}(i),a=function(e){function t(e,t){return 0===e.length?[]:_k.inflate(e,t).buffer}return{metadata:JSON.parse(_k.inflate(e.metadata,{to:"string"})),positions:new Uint16Array(t(e.positions)),normals:new Int8Array(t(e.normals)),colors:new Uint8Array(t(e.colors)),indices:new Uint32Array(t(e.indices)),edgeIndices:new Uint32Array(t(e.edgeIndices)),matrices:new Float32Array(t(e.matrices)),reusedGeometriesDecodeMatrix:new Float32Array(t(e.reusedGeometriesDecodeMatrix)),eachGeometryPrimitiveType:new Uint8Array(t(e.eachGeometryPrimitiveType)),eachGeometryPositionsPortion:new Uint32Array(t(e.eachGeometryPositionsPortion)),eachGeometryNormalsPortion:new Uint32Array(t(e.eachGeometryNormalsPortion)),eachGeometryColorsPortion:new Uint32Array(t(e.eachGeometryColorsPortion)),eachGeometryIndicesPortion:new Uint32Array(t(e.eachGeometryIndicesPortion)),eachGeometryEdgeIndicesPortion:new Uint32Array(t(e.eachGeometryEdgeIndicesPortion)),eachMeshGeometriesPortion:new Uint32Array(t(e.eachMeshGeometriesPortion)),eachMeshMatricesPortion:new Uint32Array(t(e.eachMeshMatricesPortion)),eachMeshMaterial:new Uint8Array(t(e.eachMeshMaterial)),eachEntityId:JSON.parse(_k.inflate(e.eachEntityId,{to:"string"})),eachEntityMeshesPortion:new Uint32Array(t(e.eachEntityMeshesPortion)),eachTileAABB:new Float64Array(t(e.eachTileAABB)),eachTileEntitiesPortion:new Uint32Array(t(e.eachTileEntitiesPortion))}}(o);!function(e,t,i,r,s,n){var o=n.getNextId(),a=i.metadata,l=i.positions,u=i.normals,c=i.colors,A=i.indices,h=i.edgeIndices,d=i.matrices,p=i.reusedGeometriesDecodeMatrix,f=i.eachGeometryPrimitiveType,v=i.eachGeometryPositionsPortion,g=i.eachGeometryNormalsPortion,m=i.eachGeometryColorsPortion,_=i.eachGeometryIndicesPortion,y=i.eachGeometryEdgeIndicesPortion,b=i.eachMeshGeometriesPortion,x=i.eachMeshMatricesPortion,w=i.eachMeshMaterial,B=i.eachEntityId,P=i.eachEntityMeshesPortion,C=i.eachTileAABB,M=i.eachTileEntitiesPortion,E=v.length,F=b.length,k=P.length,I=M.length;s&&s.loadData(a,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds});for(var D=new Uint32Array(E),S=0;S<F;S++){var T=b[S];void 0!==D[T]?D[T]++:D[T]=1}for(var L=re.vec3(),R=re.AABB3(),U={},O=0;O<I;O++){var N=O===I-1,Q=M[O],V=N?k-1:M[O+1]-1,H=6*O,j=C.subarray(H,H+6);re.getAABB3Center(j,L),R[0]=j[0]-L[0],R[1]=j[1]-L[1],R[2]=j[2]-L[2],R[3]=j[3]-L[0],R[4]=j[4]-L[1],R[5]=j[5]-L[2];for(var G=zi.createPositionsDecodeMatrix(R),z={},W=Q;W<=V;W++){var K=B[W],X=t.globalizeObjectIds?re.globalizeObjectId(r.id,K):K,Y=W===k-1,J=P[W],Z=Y?b.length-1:P[W+1]-1,q=[],$=e.metaScene.metaObjects[X],ee={},te={};if($){if(t.excludeTypesMap&&$.type&&t.excludeTypesMap[$.type])continue;if(t.includeTypesMap&&$.type&&!t.includeTypesMap[$.type])continue;var ie=t.objectDefaults?t.objectDefaults[$.type]||t.objectDefaults.DEFAULT:null;ie&&(!1===ie.visible&&(ee.visible=!1),!1===ie.pickable&&(ee.pickable=!1),ie.colorize&&(te.color=ie.colorize),void 0!==ie.opacity&&null!==ie.opacity&&(te.opacity=ie.opacity),void 0!==ie.metallic&&null!==ie.metallic&&(te.metallic=ie.metallic),void 0!==ie.roughness&&null!==ie.roughness&&(te.roughness=ie.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var se=J;se<=Z;se++){var ne=b[se],oe=D[ne]>1,ae=ne===E-1,le=xk(w.subarray(6*se,6*se+3)),ue=w[6*se+3]/255,ce=w[6*se+4]/255,Ae=w[6*se+5]/255,de=n.getNextId();if(oe){var pe=x[se],fe=d.slice(pe,pe+16),ve="".concat(o,"-geometry.").concat(O,".").concat(ne),ge=U[ve];if(!ge){ge={batchThisMesh:!t.reuseGeometries};var me=!1;switch(f[ne]){case 0:ge.primitiveName="solid",ge.geometryPositions=l.subarray(v[ne],ae?l.length:v[ne+1]),ge.geometryNormals=u.subarray(g[ne],ae?u.length:g[ne+1]),ge.geometryIndices=A.subarray(_[ne],ae?A.length:_[ne+1]),ge.geometryEdgeIndices=h.subarray(y[ne],ae?h.length:y[ne+1]),me=ge.geometryPositions.length>0&&ge.geometryIndices.length>0;break;case 1:ge.primitiveName="surface",ge.geometryPositions=l.subarray(v[ne],ae?l.length:v[ne+1]),ge.geometryNormals=u.subarray(g[ne],ae?u.length:g[ne+1]),ge.geometryIndices=A.subarray(_[ne],ae?A.length:_[ne+1]),ge.geometryEdgeIndices=h.subarray(y[ne],ae?h.length:y[ne+1]),me=ge.geometryPositions.length>0&&ge.geometryIndices.length>0;break;case 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we=ge.decompressedPositions,Be=ge.transformedAndRecompressedPositions,Pe=0,Ce=we.length;Pe<Ce;Pe+=3)yk[0]=we[Pe+0],yk[1]=we[Pe+1],yk[2]=we[Pe+2],yk[3]=1,re.transformVec4(fe,yk,bk),zi.compressPosition(bk,R,yk),Be[Pe+0]=yk[0],Be[Pe+1]=yk[1],Be[Pe+2]=yk[2];r.createMesh(he.apply(te,{id:de,origin:L,primitive:ge.primitiveName,positionsCompressed:Be,normalsCompressed:ge.geometryNormals,colorsCompressed:ge.geometryColors,indices:ge.geometryIndices,edgeIndices:ge.geometryEdgeIndices,positionsDecodeMatrix:G,color:le,metallic:ce,roughness:Ae,opacity:ue})),q.push(de)}else z[ve]||(r.createGeometry({id:ve,primitive:ge.primitiveName,positionsCompressed:ge.geometryPositions,normalsCompressed:ge.geometryNormals,colorsCompressed:ge.geometryColors,indices:ge.geometryIndices,edgeIndices:ge.geometryEdgeIndices,positionsDecodeMatrix:p}),z[ve]=!0),r.createMesh(he.apply(te,{id:de,geometryId:ve,origin:L,matrix:fe,color:le,metallic:ce,roughness:Ae,opacity:ue})),q.push(de)}else{var Me=void 0,Ee=void 0,Fe=void 0,ke=void 0,Ie=void 0,De=void 0,Se=!1;switch(f[ne]){case 0:Me="solid",Ee=l.subarray(v[ne],ae?l.length:v[ne+1]),Fe=u.subarray(g[ne],ae?u.length:g[ne+1]),Ie=A.subarray(_[ne],ae?A.length:_[ne+1]),De=h.subarray(y[ne],ae?h.length:y[ne+1]),Se=Ee.length>0&&Ie.length>0;break;case 1:Me="surface",Ee=l.subarray(v[ne],ae?l.length:v[ne+1]),Fe=u.subarray(g[ne],ae?u.length:g[ne+1]),Ie=A.subarray(_[ne],ae?A.length:_[ne+1]),De=h.subarray(y[ne],ae?h.length:y[ne+1]),Se=Ee.length>0&&Ie.length>0;break;case 2:Me="points",Ee=l.subarray(v[ne],ae?l.length:v[ne+1]),ke=c.subarray(m[ne],ae?c.length:m[ne+1]),Se=Ee.length>0;break;case 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Uint32Array(t(e.eachTextureDataPortion)),eachTextureAttributes:new Uint16Array(t(e.eachTextureAttributes)),positions:new Uint16Array(t(e.positions)),normals:new Int8Array(t(e.normals)),colors:new Uint8Array(t(e.colors)),uvs:new Float32Array(t(e.uvs)),indices:new Uint32Array(t(e.indices)),edgeIndices:new Uint32Array(t(e.edgeIndices)),eachTextureSetTextures:new Int32Array(t(e.eachTextureSetTextures)),matrices:new Float32Array(t(e.matrices)),reusedGeometriesDecodeMatrix:new Float32Array(t(e.reusedGeometriesDecodeMatrix)),eachGeometryPrimitiveType:new Uint8Array(t(e.eachGeometryPrimitiveType)),eachGeometryPositionsPortion:new Uint32Array(t(e.eachGeometryPositionsPortion)),eachGeometryNormalsPortion:new Uint32Array(t(e.eachGeometryNormalsPortion)),eachGeometryColorsPortion:new Uint32Array(t(e.eachGeometryColorsPortion)),eachGeometryUVsPortion:new Uint32Array(t(e.eachGeometryUVsPortion)),eachGeometryIndicesPortion:new Uint32Array(t(e.eachGeometryIndicesPortion)),eachGeometryEdgeIndicesPortion:new Uint32Array(t(e.eachGeometryEdgeIndicesPortion)),eachMeshGeometriesPortion:new Uint32Array(t(e.eachMeshGeometriesPortion)),eachMeshMatricesPortion:new Uint32Array(t(e.eachMeshMatricesPortion)),eachMeshTextureSet:new Int32Array(t(e.eachMeshTextureSet)),eachMeshMaterialAttributes:new Uint8Array(t(e.eachMeshMaterialAttributes)),eachEntityId:JSON.parse(Bk.inflate(e.eachEntityId,{to:"string"})),eachEntityMeshesPortion:new Uint32Array(t(e.eachEntityMeshesPortion)),eachTileAABB:new Float64Array(t(e.eachTileAABB)),eachTileEntitiesPortion:new Uint32Array(t(e.eachTileEntitiesPortion))}}(o);!function(e,t,i,r,s,n){var 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Y=c[W+4],J=c[W+5],Z=c[W+6],q=c[W+7],$=c[W+8];if(z){var ee=new Uint8Array(l.subarray(j,G)).buffer,te="".concat(o,"-texture-").concat(V);if(K)r.createTexture({id:te,buffers:[ee],minFilter:Y,magFilter:J,wrapS:Z,wrapT:q,wrapR:$});else{var ie=new Blob([ee],{type:10001===X?"image/jpeg":10002===X?"image/png":"image/gif"}),se=(window.URL||window.webkitURL).createObjectURL(ie),ne=document.createElement("img");ne.src=se,r.createTexture({id:te,image:ne,minFilter:Y,magFilter:J,wrapS:Z,wrapT:q,wrapR:$})}}}for(var oe=0;oe<R;oe++){var ae=5*oe,le="".concat(o,"-textureSet-").concat(oe),ue=g[ae+0],ce=g[ae+1],Ae=g[ae+2],de=g[ae+3],pe=g[ae+4];r.createTextureSet({id:le,colorTextureId:ue>=0?"".concat(o,"-texture-").concat(ue):null,normalsTextureId:Ae>=0?"".concat(o,"-texture-").concat(Ae):null,metallicRoughnessTextureId:ce>=0?"".concat(o,"-texture-").concat(ce):null,emissiveTextureId:de>=0?"".concat(o,"-texture-").concat(de):null,occlusionTextureId:pe>=0?"".concat(o,"-texture-").concat(pe):null})}for(var fe=new Uint32Array(U),ve=0;ve<O;ve++){var ge=M[ve];void 0!==fe[ge]?fe[ge]++:fe[ge]=1}for(var me=re.vec3(),_e=re.AABB3(),ye={},be=0;be<Q;be++){var xe=be===Q-1,we=T[be],Be=xe?N-1:T[be+1]-1,Pe=6*be,Ce=S.subarray(Pe,Pe+6);re.getAABB3Center(Ce,me),_e[0]=Ce[0]-me[0],_e[1]=Ce[1]-me[1],_e[2]=Ce[2]-me[2],_e[3]=Ce[3]-me[0],_e[4]=Ce[4]-me[1],_e[5]=Ce[5]-me[2];for(var Me=zi.createPositionsDecodeMatrix(_e),Ee={},Fe=we;Fe<=Be;Fe++){var ke=I[Fe],Ie=t.globalizeObjectIds?re.globalizeObjectId(r.id,ke):ke,De=Fe===N-1,Se=D[Fe],Te=De?M.length-1:D[Fe+1]-1,Le=[],Re=e.metaScene.metaObjects[Ie],Ue={},Oe={};if(Re){if(t.excludeTypesMap&&Re.type&&t.excludeTypesMap[Re.type])continue;if(t.includeTypesMap&&Re.type&&!t.includeTypesMap[Re.type])continue;var Ne=t.objectDefaults?t.objectDefaults[Re.type]||t.objectDefaults.DEFAULT:null;Ne&&(!1===Ne.visible&&(Ue.visible=!1),!1===Ne.pickable&&(Ue.pickable=!1),Ne.colorize&&(Oe.color=Ne.colorize),void 0!==Ne.opacity&&null!==Ne.opacity&&(Oe.opacity=Ne.opacity),void 0!==Ne.metallic&&null!==Ne.metallic&&(Oe.metallic=Ne.metallic),void 0!==Ne.roughness&&null!==Ne.roughness&&(Oe.roughness=Ne.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var Qe=Se;Qe<=Te;Qe++){var Ve=M[Qe],He=fe[Ve]>1,je=Ve===U-1,Ge=F[Qe],ze=Ge>=0?"".concat(o,"-textureSet-").concat(Ge):null,We=Mk(k.subarray(6*Qe,6*Qe+3)),Ke=k[6*Qe+3]/255,Xe=k[6*Qe+4]/255,Ye=k[6*Qe+5]/255,Je=n.getNextId();if(He){var Ze=E[Qe],qe=m.slice(Ze,Ze+16),$e="".concat(o,"-geometry.").concat(be,".").concat(Ve),et=ye[$e];if(!et){et={batchThisMesh:!t.reuseGeometries};var tt=!1;switch(y[Ve]){case 0:et.primitiveName="solid",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(x[Ve],je?h.length:x[Ve+1]),et.geometryUVs=p.subarray(B[Ve],je?p.length:B[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 1:et.primitiveName="surface",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(x[Ve],je?h.length:x[Ve+1]),et.geometryUVs=p.subarray(B[Ve],je?p.length:B[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 2:et.primitiveName="points",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryColors=d.subarray(w[Ve],je?d.length:w[Ve+1]),tt=et.geometryPositions.length>0;break;case 3:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 4:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=Ek(et.geometryPositions,f.subarray(P[Ve],je?f.length:P[Ve+1])),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;default:continue}if(tt||(et=null),et&&(et.geometryPositions.length,et.batchThisMesh)){et.decompressedPositions=new Float32Array(et.geometryPositions.length),et.transformedAndRecompressedPositions=new Uint16Array(et.geometryPositions.length);for(var it=et.geometryPositions,rt=et.decompressedPositions,st=0,nt=it.length;st<nt;st+=3)rt[st+0]=it[st+0]*_[0]+_[12],rt[st+1]=it[st+1]*_[5]+_[13],rt[st+2]=it[st+2]*_[10]+_[14];et.geometryPositions=null,ye[$e]=et}}if(et)if(et.batchThisMesh){for(var ot=et.decompressedPositions,at=et.transformedAndRecompressedPositions,lt=0,ut=ot.length;lt<ut;lt+=3)Pk[0]=ot[lt+0],Pk[1]=ot[lt+1],Pk[2]=ot[lt+2],Pk[3]=1,re.transformVec4(qe,Pk,Ck),zi.compressPosition(Ck,_e,Pk),at[lt+0]=Pk[0],at[lt+1]=Pk[1],at[lt+2]=Pk[2];r.createMesh(he.apply(Oe,{id:Je,textureSetId:ze,origin:me,primitive:et.primitiveName,positionsCompressed:at,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:Me,color:We,metallic:Xe,roughness:Ye,opacity:Ke})),Le.push(Je)}else Ee[$e]||(r.createGeometry({id:$e,primitive:et.primitiveName,positionsCompressed:et.geometryPositions,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:_}),Ee[$e]=!0),r.createMesh(he.apply(Oe,{id:Je,geometryId:$e,textureSetId:ze,matrix:qe,color:We,metallic:Xe,roughness:Ye,opacity:Ke,origin:me})),Le.push(Je)}else{var ct=void 0,At=void 0,ht=void 0,dt=void 0,pt=void 0,ft=void 0,vt=void 0,gt=!1;switch(y[Ve]){case 0:ct="solid",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(x[Ve],je?h.length:x[Ve+1]),dt=p.subarray(B[Ve],je?p.length:B[Ve+1]),ft=f.subarray(P[Ve],je?f.length:P[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 1:ct="surface",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(x[Ve],je?h.length:x[Ve+1]),dt=p.subarray(B[Ve],je?p.length:B[Ve+1]),ft=f.subarray(P[Ve],je?f.length:P[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 2:ct="points",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),pt=d.subarray(w[Ve],je?d.length:w[Ve+1]),gt=At.length>0;break;case 3:ct="lines",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ft=f.subarray(P[Ve],je?f.length:P[Ve+1]),gt=At.length>0&&ft.length>0;break;case 4:ct="lines",ft=Ek(At=A.subarray(b[Ve],je?A.length:b[Ve+1]),f.subarray(P[Ve],je?f.length:P[Ve+1])),gt=At.length>0&&ft.length>0;break;default:continue}gt&&(r.createMesh(he.apply(Oe,{id:Je,textureSetId:ze,origin:me,primitive:ct,positionsCompressed:At,normalsCompressed:ht,uv:dt&&dt.length>0?dt:null,colorsCompressed:pt,indices:ft,edgeIndices:vt,positionsDecodeMatrix:Me,color:We,metallic:Xe,roughness:Ye,opacity:Ke})),Le.push(Je))}}Le.length>0&&r.createEntity(he.apply(Ue,{id:Ie,isObject:!0,meshIds:Le}))}}}(e,t,a,r,s,n)}},kk=re.vec4(),Ik=re.vec4();var Dk=function(){var e=new Float32Array(3);return function(t){return e[0]=t[0]/255,e[1]=t[1]/255,e[2]=t[2]/255,e}}();function Sk(e,t){var i=[];if(t.length>1)for(var r=0,s=t.length-1;r<s;r++)i.push(t[r]),i.push(t[r+1]);else if(e.length>1)for(var n=0,o=e.length/3-1;n<o;n++)i.push(n),i.push(n+1);return i}!function(){var e=document.createElement("canvas"),t=e.getContext("2d")}();var Tk={version:11,parseArrayBuffer:function(e,t,i,r,s,n){var o=function(e){var t,i,r=(t=new ArrayBuffer(2),new Uint16Array(t)[0]=1,1!==new Uint8Array(t)[0]),s=function(){var t=0,i=new DataView(e);return function(s){var n=1+2*t++,o=i.getUint32(4*n,!0),a=i.getUint32(4*(n+1),!0),l=s.BYTES_PER_ELEMENT;if(r&&l>1)for(var u=new Uint8Array(e,o,a),c=l/2,A=u.length/l,h=0;h<A;h++)for(var d=h*l,p=0;p<c;p++){var f=d+p,v=d-p+l-1,g=u[f];u[f]=u[v],u[v]=g}return new s(e,o,a/l)}}(),n=(i=new TextDecoder,function(){return 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o=n.getNextId(),a=i.metadata,l=i.textureData,u=i.eachTextureDataPortion,c=i.eachTextureAttributes,A=i.positions,h=i.normals,d=i.colors,p=i.uvs,f=i.indices,v=i.edgeIndices,g=i.eachTextureSetTextures,m=i.matrices,_=i.reusedGeometriesDecodeMatrix,y=i.eachGeometryPrimitiveType,b=i.eachGeometryPositionsPortion,x=i.eachGeometryNormalsPortion,w=i.eachGeometryColorsPortion,B=i.eachGeometryUVsPortion,P=i.eachGeometryIndicesPortion,C=i.eachGeometryEdgeIndicesPortion,M=i.eachMeshGeometriesPortion,E=i.eachMeshMatricesPortion,F=i.eachMeshTextureSet,k=i.eachMeshMaterialAttributes,I=i.eachEntityId,D=i.eachEntityMeshesPortion,S=i.eachTileAABB,T=i.eachTileEntitiesPortion,L=u.length,R=g.length/5,U=b.length,O=M.length,N=D.length,Q=T.length;s&&s.loadData(a,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds});for(var V=0;V<L;V++){var H=V===L-1,j=u[V],G=H?l.length:u[V+1],z=G-j>0,W=9*V,K=1===c[W+0],X=c[W+1];c[W+2],c[W+3];var Y=c[W+4],J=c[W+5],Z=c[W+6],q=c[W+7],$=c[W+8];if(z){var ee=new Uint8Array(l.subarray(j,G)).buffer,te="".concat(o,"-texture-").concat(V);if(K)r.createTexture({id:te,buffers:[ee],minFilter:Y,magFilter:J,wrapS:Z,wrapT:q,wrapR:$});else{var ie=new Blob([ee],{type:10001===X?"image/jpeg":10002===X?"image/png":"image/gif"}),se=(window.URL||window.webkitURL).createObjectURL(ie),ne=document.createElement("img");ne.src=se,r.createTexture({id:te,image:ne,minFilter:Y,magFilter:J,wrapS:Z,wrapT:q,wrapR:$})}}}for(var oe=0;oe<R;oe++){var ae=5*oe,le="".concat(o,"-textureSet-").concat(oe),ue=g[ae+0],ce=g[ae+1],Ae=g[ae+2],de=g[ae+3],pe=g[ae+4];r.createTextureSet({id:le,colorTextureId:ue>=0?"".concat(o,"-texture-").concat(ue):null,normalsTextureId:Ae>=0?"".concat(o,"-texture-").concat(Ae):null,metallicRoughnessTextureId:ce>=0?"".concat(o,"-texture-").concat(ce):null,emissiveTextureId:de>=0?"".concat(o,"-texture-").concat(de):null,occlusionTextureId:pe>=0?"".concat(o,"-texture-").concat(pe):null})}for(var fe=new Uint32Array(U),ve=0;ve<O;ve++){var ge=M[ve];void 0!==fe[ge]?fe[ge]++:fe[ge]=1}for(var me=re.vec3(),_e=re.AABB3(),ye={},be=0;be<Q;be++){var xe=be===Q-1,we=T[be],Be=xe?N-1:T[be+1]-1,Pe=6*be,Ce=S.subarray(Pe,Pe+6);re.getAABB3Center(Ce,me),_e[0]=Ce[0]-me[0],_e[1]=Ce[1]-me[1],_e[2]=Ce[2]-me[2],_e[3]=Ce[3]-me[0],_e[4]=Ce[4]-me[1],_e[5]=Ce[5]-me[2];for(var Me=zi.createPositionsDecodeMatrix(_e),Ee={},Fe=we;Fe<=Be;Fe++){var ke=I[Fe],Ie=t.globalizeObjectIds?re.globalizeObjectId(r.id,ke):ke,De=Fe===N-1,Se=D[Fe],Te=De?M.length-1:D[Fe+1]-1,Le=[],Re=e.metaScene.metaObjects[Ie],Ue={},Oe={};if(Re){if(t.excludeTypesMap&&Re.type&&t.excludeTypesMap[Re.type])continue;if(t.includeTypesMap&&Re.type&&!t.includeTypesMap[Re.type])continue;var Ne=t.objectDefaults?t.objectDefaults[Re.type]||t.objectDefaults.DEFAULT:null;Ne&&(!1===Ne.visible&&(Ue.visible=!1),!1===Ne.pickable&&(Ue.pickable=!1),Ne.colorize&&(Oe.color=Ne.colorize),void 0!==Ne.opacity&&null!==Ne.opacity&&(Oe.opacity=Ne.opacity),void 0!==Ne.metallic&&null!==Ne.metallic&&(Oe.metallic=Ne.metallic),void 0!==Ne.roughness&&null!==Ne.roughness&&(Oe.roughness=Ne.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var Qe=Se;Qe<=Te;Qe++){var Ve=M[Qe],He=fe[Ve]>1,je=Ve===U-1,Ge=F[Qe],ze=Ge>=0?"".concat(o,"-textureSet-").concat(Ge):null,We=Dk(k.subarray(6*Qe,6*Qe+3)),Ke=k[6*Qe+3]/255,Xe=k[6*Qe+4]/255,Ye=k[6*Qe+5]/255,Je=n.getNextId();if(He){var Ze=E[Qe],qe=m.slice(Ze,Ze+16),$e="".concat(o,"-geometry.").concat(be,".").concat(Ve),et=ye[$e];if(!et){et={batchThisMesh:!t.reuseGeometries};var tt=!1;switch(y[Ve]){case 0:et.primitiveName="solid",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(x[Ve],je?h.length:x[Ve+1]),et.geometryUVs=p.subarray(B[Ve],je?p.length:B[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 1:et.primitiveName="surface",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(x[Ve],je?h.length:x[Ve+1]),et.geometryUVs=p.subarray(B[Ve],je?p.length:B[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 2:et.primitiveName="points",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryColors=d.subarray(w[Ve],je?d.length:w[Ve+1]),tt=et.geometryPositions.length>0;break;case 3:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 4:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=Sk(et.geometryPositions,f.subarray(P[Ve],je?f.length:P[Ve+1])),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;default:continue}if(tt||(et=null),et&&(et.geometryPositions.length,et.batchThisMesh)){et.decompressedPositions=new Float32Array(et.geometryPositions.length),et.transformedAndRecompressedPositions=new Uint16Array(et.geometryPositions.length);for(var it=et.geometryPositions,rt=et.decompressedPositions,st=0,nt=it.length;st<nt;st+=3)rt[st+0]=it[st+0]*_[0]+_[12],rt[st+1]=it[st+1]*_[5]+_[13],rt[st+2]=it[st+2]*_[10]+_[14];et.geometryPositions=null,ye[$e]=et}}if(et)if(et.batchThisMesh){for(var 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n=i[r];switch(n.type){case"RenderingRootFeature":break;case"Feature":if("RenderingFeature"===n.Alias){var o,a,l,u,c={},A={},h=n.children;for(o=0,a=h.length;o<a;o++)switch((l=h[o]).Name){case"AmbientCoef":c.ambient=parseFloat(l.Value);break;case"DiffuseCoef":c.diffuse=parseFloat(l.Value);break;case"EmissiveCoef":c.emissive=parseFloat(l.Value);break;case"SpecularExponent":c.specular=parseFloat(l.Value)}for(o=0,a=h.length;o<a;o++)switch((l=h[o]).Name){case"AmbientColor":A.ambient=Yk(l.Value,c.ambient);break;case"DiffuseColor":A.diffuse=Yk(l.Value,c.diffuse);break;case"EmissiveColor":A.emissive=Yk(l.Value,c.emissive);break;case"SpecularColor":A.specular=Yk(l.Value,c.specular);break;case"Transparency":var d=1-parseFloat(l.Value);d<1&&(A.alpha=d,A.alphaMode="blend")}switch(e.materialType){case"MetallicMaterial":u=new Qn(e.modelNode,{baseColor:A.diffuse,metallic:.7,roughness:.5,emissive:A.emissive,alpha:A.alpha,alphaMode:A.alphaMode});break;case"SpecularMaterial":u=new jn(e.modelNode,{diffuse:A.diffuse,specular:A.specular,glossiness:.5,emissive:A.emissive,alpha:A.alpha,alphaMode:A.alphaMode});break;default:u=new $i(e.modelNode,{reflectivity:.5,ambient:A.ambient,diffuse:A.diffuse,specular:A.specular,emissive:A.emissive,alphaMode:A.alphaMode,alpha:t.alpha})}return u}}}}function Yk(e,t){t=void 0!==t?t:.5;var i=e.indexOf("["),r=e.indexOf("]");e=(e=e.substring(i+1,r-i)).split(",");for(var s=new Float32Array(e.length),n=0,o=0,a=e.length;o<a;o++)for(var l=e[o],u=0,c=(l=l.trim().split(" ")).length;u<c;u++)""!==l[u]&&(s[n++]=parseFloat(l[u])*t);return s}var Jk=function(){var e={};function t(e,i){if(e.nodeType===e.TEXT_NODE){var r=e.nodeValue;if(null===r.match(/^\s+$/))return r}else if(e.nodeType===e.ELEMENT_NODE||e.nodeType===e.DOCUMENT_NODE){var s={type:e.nodeName,children:[]};if(e.nodeType===e.ELEMENT_NODE)for(var n=0;n<e.attributes.length;n++){var o=e.attributes[n];s[i[o.nodeName]||o.nodeName]=o.nodeValue}for(var 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s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getIFC(t.src,(function(e){s._parseModel(e,t,i,r),n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){if(!r.destroyed){var s=t.stats||{};if(s.sourceFormat="IFC",s.schemaVersion="",s.title="",s.author="",s.created="",s.numMetaObjects=0,s.numPropertySets=0,s.numObjects=0,s.numGeometries=0,s.numTriangles=0,s.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";var n=new Uint8Array(e),o=this._ifcAPI.OpenModel(n),a=this._ifcAPI.GetModelSchema(o),l=this._ifcAPI.GetLineIDsWithType(o,this._webIFC.IFCPROJECT).get(0),u=!1!==t.loadMetadata,c={modelID:o,modelSchema:a,sceneModel:r,loadMetadata:u,metadata:u?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:s};if(u){if(i.includeTypes){c.includeTypes={};for(var A=0,h=i.includeTypes.length;A<h;A++)c.includeTypes[i.includeTypes[A]]=!0}if(i.excludeTypes){c.excludeTypes={};for(var d=0,p=i.excludeTypes.length;d<p;d++)c.excludeTypes[i.excludeTypes[d]]=!0}this._parseMetaObjects(c),this._parsePropertySets(c)}if(this._parseGeometry(c),r.finalize(),u){var f=r.id;this.viewer.metaScene.createMetaModel(f,c.metadata,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))}))}}},{key:"_parseMetaObjects",value:function(e){var t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}},{key:"_parseSpatialChildren",value:function(e,t,i){var r=this._ifcAPI.GetNameFromTypeCode(t.type);if((!e.includeTypes||e.includeTypes[r])&&(!e.excludeTypes||!e.excludeTypes[r])){this._createMetaObject(e,t,i);var s=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,s),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,s)}}},{key:"_createMetaObject",value:function(e,t,i){var r=t.GlobalId.value,s=this._ifcAPI.GetNameFromTypeCode(t.type),n={id:r,name:t.Name&&""!==t.Name.value?t.Name.value:s,type:s,parent:i};e.metadata.metaObjects.push(n),e.metaObjects[r]=n,e.stats.numMetaObjects++}},{key:"_parseRelatedItemsOfType",value:function(e,t,i,r,s,n){for(var o=this,a=this._ifcAPI.GetLineIDsWithType(e.modelID,s),l=0;l<a.size();l++){var u=a.get(l),c=this._ifcAPI.GetLine(e.modelID,u),A=c[i],h=!1;if(Array.isArray(A))h=A.map((function(e){return e.value})).includes(t);else h=A.value===t;if(h){var d=c[r];if(Array.isArray(d))d.forEach((function(t){var i=o._ifcAPI.GetLine(e.modelID,t.value);o._parseSpatialChildren(e,i,n)}));else{var p=this._ifcAPI.GetLine(e.modelID,d.value);this._parseSpatialChildren(e,p,n)}}}}},{key:"_parsePropertySets",value:function(e){for(var t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES),i=0;i<t.size();i++){var r=t.get(i),s=this._ifcAPI.GetLine(e.modelID,r,!0);if(s){var n=s.RelatingPropertyDefinition;if(!n)continue;var o=n.GlobalId.value,a=n.HasProperties;if(a&&a.length>0){for(var l=n.Name.value,u=[],c=0,A=a.length;c<A;c++){var h=a[c],d=h.Name,p=h.NominalValue;if(d&&p){var 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M=e.options.globalizeObjectIds?re.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:M,meshIds:n,isObject:!0}),e.stats.numObjects++}))}}]),i}(),tI=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getLAS",value:function(e,t,i){e=this._cacheBusterURL(e);var r=function(){};t=t||r,i=i||r;var s=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(s){var n=!!s[2],o=s[3];o=window.decodeURIComponent(o),n&&(o=window.atob(o));try{for(var a=new ArrayBuffer(o.length),l=new Uint8Array(a),u=0;u<o.length;u++)l[u]=o.charCodeAt(u);t(a)}catch(e){i(e)}}else{var c=new XMLHttpRequest;c.open("GET",e,!0),c.responseType="arraybuffer",c.onreadystatechange=function(){4===c.readyState&&(200===c.status?t(c.response):i("getXKT error : 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t=0,i=0,r=0,s=new DataView(e),o=new Uint8Array(6e3),a=function(r){var n,o,a=r.item,l=r.format,u=r.size;switch(l){case"char":return o=new Uint8Array(e,t,u),t+=u,[a,n=aI(o)];case"uShort":return n=s.getUint16(t,!0),t+=u,[a,n];case"uLong":return n=s.getUint32(t,!0),"NumberOfVariableLengthRecords"===a&&(i=n),t+=u,[a,n];case"uChar":return n=s.getUint8(t),t+=u,[a,n];case"double":return n=s.getFloat64(t,!0),t+=u,[a,n];default:t+=u}};return function(){var e={};rI.forEach((function(t){var i=a(n({},t));if(void 0!==i){if("FileSignature"===i[0]&&"LASF"!==i[1])throw new Error("Ivalid FileSignature. 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s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getLAS(t.src,(function(e){s._parseModel(e,t,i,r).then((function(){n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){var s=this,n=function(e){var t=e.value;if(s._center){for(var i=re.vec3(),r=t.length,n=0,o=t.length;n<o;n+=3)i[0]+=t[n+0],i[1]+=t[n+1],i[2]+=t[n+2];i[0]/=r,i[1]/=r,i[2]/=r;for(var a=0,l=t.length;a<l;a+=3)t[a+0]-=i[0],t[a+1]-=i[1],t[a+2]-=i[2]}if(s._rotateX&&t)for(var u=0,c=t.length;u<c;u+=3){var A=t[u+1];t[u+1]=t[u+2],t[u+2]=A}if(s._rotate){var h=re.identityQuaternion(),d=re.mat4();re.eulerToQuaternion(s._rotate,"XYZ",h),re.quaternionToRotationMat4(h,d);for(var p=re.vec3(),f=0,v=t.length;f<v;f+=3)p[0]=t[f+0],p[1]=t[f+1],p[2]=t[f+2],re.transformPoint3(d,p,p),t[f+0]=p[0],t[f+1]=p[1],t[f+2]=p[2]}if(s._transform)for(var 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LI(e,t,i){this.i=e,this.x=t,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function RI(e,t,i,r){for(var s=0,n=t,o=i-r;n<i;n+=r)s+=(e[o]-e[n])*(e[n+1]+e[o+1]),o=n;return s}AI.deviation=function(e,t,i,r){var s=t&&t.length,n=s?t[0]*i:e.length,o=Math.abs(RI(e,0,n,i));if(s)for(var a=0,l=t.length;a<l;a++){var u=t[a]*i,c=a<l-1?t[a+1]*i:e.length;o-=Math.abs(RI(e,u,c,i))}var A=0;for(a=0;a<r.length;a+=3){var h=r[a]*i,d=r[a+1]*i,p=r[a+2]*i;A+=Math.abs((e[h]-e[p])*(e[d+1]-e[h+1])-(e[h]-e[d])*(e[p+1]-e[h+1]))}return 0===o&&0===A?0:Math.abs((A-o)/o)},AI.flatten=function(e){for(var t=e[0][0].length,i={vertices:[],holes:[],dimensions:t},r=0,s=0;s<e.length;s++){for(var n=0;n<e[s].length;n++)for(var o=0;o<t;o++)i.vertices.push(e[s][n][o]);s>0&&(r+=e[s-1].length,i.holes.push(r))}return i};var UI=re.vec2(),OI=re.vec3(),NI=re.vec3(),QI=re.vec3(),VI=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"cityJSONLoader",e,s)).dataSource=s.dataSource,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new cI}},{key:"load",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new Vh(this.viewer.scene,he.apply(e,{isModel:!0,edges:!0}));if(!e.src&&!e.cityJSON)return this.error("load() param expected: src or cityJSON"),t;var i={};if(e.src)this._loadModel(e.src,e,i,t);else{var r=this.viewer.scene.canvas.spinner;r.processes++,this._parseModel(e.cityJSON,e,i,t),r.processes--}return t}},{key:"_loadModel",value:function(e,t,i,r){var s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getCityJSON(t.src,(function(e){s._parseModel(e,t,i,r),n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){if(!r.destroyed){var s=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,n=t.stats||{};n.sourceFormat=e.type||"CityJSON",n.schemaVersion=e.version||"",n.title="",n.author="",n.created="",n.numMetaObjects=0,n.numPropertySets=0,n.numObjects=0,n.numGeometries=0,n.numTriangles=0,n.numVertices=0;var o=!1!==t.loadMetadata,a=o?{id:re.createUUID(),name:"Model",type:"Model"}:null,l=o?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,u={data:e,vertices:s,sceneModel:r,loadMetadata:o,metadata:l,rootMetaObject:a,nextId:0,stats:n};if(this._parseCityJSON(u),r.finalize(),o){var c=r.id;this.viewer.metaScene.createMetaModel(c,u.metadata,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))}))}}},{key:"_transformVertices",value:function(e,t,i){for(var r=[],s=t.scale||re.vec3([1,1,1]),n=t.translate||re.vec3([0,0,0]),o=0,a=0;o<e.length;o++,a+=3){var l=e[o][0]*s[0]+n[0],u=e[o][1]*s[1]+n[1],c=e[o][2]*s[2]+n[2];i?r.push([l,c,u]):r.push([l,u,c])}return r}},{key:"_parseCityJSON",value:function(e){var t=e.data.CityObjects;for(var i in t)if(t.hasOwnProperty(i)){var r=t[i];this._parseCityObject(e,r,i)}}},{key:"_parseCityObject",value:function(e,t,i){var r=e.sceneModel,s=e.data;if(e.loadMetadata){var n=i,o=t.type,a=o+" : "+i,l=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:n,name:a,type:o,parent:l})}if(e.stats.numMetaObjects++,t.geometry&&t.geometry.length>0){for(var u=[],c=0,A=t.geometry.length;c<A;c++){var h=t.geometry[c],d=void 0,p=void 0,f=s.appearance;if(f){var v=f.materials;if(v){var g=h.material;if(g){var m=Object.keys(g);if(m.length>0){var _=g[m[0]];if(void 0!==_.value)d=v[_.value];else{var y=_.values;if(y){p=[];for(var b=0,x=y.length;b<x;b++){var w=v[y[c]];p.push(w)}}}}}}}p?this._parseGeometrySurfacesWithOwnMaterials(e,h,p,u):this._parseGeometrySurfacesWithSharedMaterial(e,h,d,u)}u.length>0&&(r.createEntity({id:i,meshIds:u,isObject:!0}),e.stats.numObjects++)}}},{key:"_parseGeometrySurfacesWithOwnMaterials",value:function(e,t,i,r){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":var s=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,s,r);break;case"Solid":for(var n=t.boundaries,o=0;o<n.length;o++){var a=n[o];this._parseSurfacesWithOwnMaterials(e,i,a,r)}break;case"MultiSolid":case"CompositeSolid":for(var l=t.boundaries,u=0;u<l.length;u++)for(var c=0;c<l[u].length;c++){var A=l[u][c];this._parseSurfacesWithOwnMaterials(e,i,A,r)}}}},{key:"_parseSurfacesWithOwnMaterials",value:function(e,t,i,r){for(var s=e.vertices,n=e.sceneModel,o=0;o<i.length;o++){for(var a=i[o],l=t[o]||{diffuseColor:[.8,.8,.8],transparency:1},u=[],c=[],A=[],d={positions:[],indices:[]},p=0;p<a.length;p++){u.length>0&&c.push(u.length);var f=this._extractLocalIndices(e,a[p],A,d);u.push.apply(u,h(f))}if(3===u.length)d.indices.push(u[0]),d.indices.push(u[1]),d.indices.push(u[2]);else if(u.length>3){for(var v=[],g=0;g<u.length;g++)v.push({x:s[A[u[g]]][0],y:s[A[u[g]]][1],z:s[A[u[g]]][2]});for(var m=this._getNormalOfPositions(v,re.vec3()),_=[],y=0;y<v.length;y++)this._to2D(v[y],m,UI),_.unshift(UI[0]),_.unshift(UI[1]);for(var b=AI(_,c,2),x=0;x<b.length;x+=3)d.indices.unshift(u[b[x]]),d.indices.unshift(u[b[x+1]]),d.indices.unshift(u[b[x+2]])}var w=""+e.nextId++;n.createMesh({id:w,primitive:"triangles",positions:d.positions,indices:d.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),r.push(w),e.stats.numGeometries++,e.stats.numVertices+=d.positions.length/3,e.stats.numTriangles+=d.indices.length/3}}},{key:"_parseGeometrySurfacesWithSharedMaterial",value:function(e,t,i,r){var s=e.sceneModel,n=[],o={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":var a=t.boundaries;this._parseSurfacesWithSharedMaterial(e,a,n,o);break;case"Solid":for(var l=t.boundaries,u=0;u<l.length;u++){var c=l[u];this._parseSurfacesWithSharedMaterial(e,c,n,o)}break;case"MultiSolid":case"CompositeSolid":for(var A=t.boundaries,h=0;h<A.length;h++)for(var d=0;d<A[h].length;d++){var p=A[h][d];this._parseSurfacesWithSharedMaterial(e,p,n,o)}}if(o.positions.length>0&&o.indices.length>0){var f=""+e.nextId++;s.createMesh({id:f,primitive:"triangles",positions:o.positions,indices:o.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),r.push(f),e.stats.numGeometries++,e.stats.numVertices+=o.positions.length/3,e.stats.numTriangles+=o.indices.length/3}}},{key:"_parseSurfacesWithSharedMaterial",value:function(e,t,i,r){for(var s=e.vertices,n=0;n<t.length;n++){for(var o=[],a=[],l=0;l<t[n].length;l++){o.length>0&&a.push(o.length);var u=this._extractLocalIndices(e,t[n][l],i,r);o.push.apply(o,h(u))}if(3===o.length)r.indices.push(o[0]),r.indices.push(o[1]),r.indices.push(o[2]);else if(o.length>3){for(var c=[],A=0;A<o.length;A++)c.push({x:s[i[o[A]]][0],y:s[i[o[A]]][1],z:s[i[o[A]]][2]});for(var d=this._getNormalOfPositions(c,re.vec3()),p=[],f=0;f<c.length;f++)this._to2D(c[f],d,UI),p.unshift(UI[0]),p.unshift(UI[1]);for(var v=AI(p,a,2),g=0;g<v.length;g+=3)r.indices.unshift(o[v[g]]),r.indices.unshift(o[v[g+1]]),r.indices.unshift(o[v[g+2]])}}}},{key:"_extractLocalIndices",value:function(e,t,i,r){for(var s=e.vertices,n=[],o=0,a=t.length;o<a;o++){var l=t[o];if(i.includes(l)){var u=i.indexOf(l);n.push(u)}else r.positions.push(s[l][0]),r.positions.push(s[l][1]),r.positions.push(s[l][2]),n.push(i.length),i.push(l)}return n}},{key:"_getNormalOfPositions",value:function(e,t){for(var i=0;i<e.length;i++){var r=i+1;r===e.length&&(r=0),t[0]+=(e[i].y-e[r].y)*(e[i].z+e[r].z),t[1]+=(e[i].z-e[r].z)*(e[i].x+e[r].x),t[2]+=(e[i].x-e[r].x)*(e[i].y+e[r].y)}return re.normalizeVec3(t)}},{key:"_to2D",value:function(e,t,i){var r=OI,s=NI,n=QI;r[0]=e.x,r[1]=e.y,r[2]=e.z,s[0]=t.x,s[1]=t.y,s[2]=t.z,n[0]=1.1,n[1]=1.1,n[2]=1.1,re.lenVec3(re.subVec3(n,s))<.01&&(n[0]+=1,n[1]+=2,n[2]+=3);var o=re.dotVec3(n,s),a=re.mulVec3Scalar(s,o,re.vec3());n[0]-=a[0],n[1]-=a[1],n[2]-=a[2],re.normalizeVec3(n);var l=re.cross3Vec3(s,n,re.vec3()),u=re.dotVec3(r,n),c=re.dotVec3(r,l);i[0]=u,i[1]=c}}]),i}(),HI=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getDotBIM",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}}]),e}(),jI=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"DotBIMLoader",e,s)).dataSource=s.dataSource,r.objectDefaults=s.objectDefaults,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new HI}},{key:"objectDefaults",get:function(){return this._objectDefaults},set:function(e){this._objectDefaults=e||OE}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new Vh(this.viewer.scene,he.apply(t,{isModel:!0,backfaces:t.backfaces,dtxEnabled:t.dtxEnabled,rotation:t.rotation,origin:t.origin})),r=i.id;if(!t.src&&!t.dotBIM)return this.error("load() param expected: src or dotBIM"),i;var s,n,o=t.objectDefaults||this._objectDefaults||OE;if(t.includeTypes){s={};for(var a=0,l=t.includeTypes.length;a<l;a++)s[t.includeTypes[a]]=!0}if(t.excludeTypes){n={},s||(s={});for(var u=0,c=t.excludeTypes.length;u<c;u++)s[t.excludeTypes[u]]=!0}var d=function(t){for(var i=t.fileData,a=t.sceneModel,l={},u=re.createUUID(),c=re.createUUID(),d=re.createUUID(),p=re.createUUID(),f={metaObjects:[{id:u,name:"Project",type:"Project",parent:null},{id:c,name:"Site",type:"Site",parent:u},{id:d,name:"Building",type:"Building",parent:c},{id:p,name:"BuildingStorey",type:"BuildingStorey",parent:d}],propertySets:[]},v=i.elements,g=function(e,t){var r=v[e],u=r.type;if(n&&n[u])return"continue";if(s&&!s[u])return"continue";var c=r.info,d=void 0!==r.guid?"".concat(r.guid):void 0!==c&&void 0!==c.id?c.id:e,g=r.mesh_id,m=r.vector,_=r.rotation,y=o?o[u]||o.DEFAULT:null,b=!0,x=!0;if(void 0===r.face_colors){!function(e,t){if(!l[e]){var r=i.meshes.find((function(e){return e.mesh_id===t.mesh_id}));a.createGeometry({id:e,primitive:"triangles",positions:r.coordinates,indices:r.indices}),l[e]=!0}}(g,r);var w="".concat(d,"-mesh"),B=r.color?[r.color.r/255,r.color.g/255,r.color.b/255]:[1,1,1],P=r.color?r.color.a/255:1;y&&(!1===y.visible&&(b=!1),!1===y.pickable&&(x=!1),y.colorize&&(B=y.colorize),void 0!==y.opacity&&null!==y.opacity&&(P=y.opacity)),a.createMesh({id:w,geometryId:g,color:B,opacity:P,quaternion:!_||0===_.qz&&0===_.qy&&0===_.qx&&1===_.qw?void 0:[_.qx,_.qy,_.qz,_.qw],position:m?[m.x,m.y,m.z]:void 0}),a.createEntity({id:d,meshIds:[w],visible:b,pickable:x,isObject:!0})}else{for(var C=r.face_colors,M={},E=0,F=i.meshes.find((function(e){return e.mesh_id===r.mesh_id})),k=0,I=C.length;k<I;k+=4){var D=[C[k],C[k+1],C[k+2],C[k+3]];void 0===M[D]&&(M[D]=[]);var S=F.indices[E],T=F.coordinates[3*S],L=F.coordinates[3*S+1],R=F.coordinates[3*S+2],U=F.indices[E+1],O=F.coordinates[3*U],N=F.coordinates[3*U+1],Q=F.coordinates[3*U+2],V=F.indices[E+2],H=F.coordinates[3*V],j=F.coordinates[3*V+1],G=F.coordinates[3*V+2];M[D].push(T,L,R,O,N,Q,H,j,G),E+=3}for(var z=[],W=0,K=Object.entries(M);W<K.length;W++){var X=A(K[W],2),Y=X[0],J=X[1];a.createGeometry({id:"".concat(g,"-").concat(Y),primitive:"triangles",positions:J,indices:h(Array(J.length/3).keys())});var Z="".concat(d,"-mesh-").concat(Y),q=Y.split(",").map(Number),$=[q[0]/255,q[1]/255,q[2]/255],ee=q[3]/255;y&&(!1===y.visible&&(b=!1),!1===y.pickable&&(x=!1),y.colorize&&($=y.colorize),void 0!==y.opacity&&null!==y.opacity&&(ee=y.opacity)),a.createMesh({id:Z,geometryId:"".concat(g,"-").concat(Y),color:$,opacity:ee,quaternion:!_||0===_.qz&&0===_.qy&&0===_.qx&&1===_.qw?void 0:[_.qx,_.qy,_.qz,_.qw],position:m?[m.x,m.y,m.z]:void 0}),z.push(Z)}a.createEntity({id:d,meshIds:z,visible:b,pickable:x,isObject:!0})}var te=[];for(var ie in c)te.push({name:ie,value:c[ie]});f.propertySets.push({id:d,name:"Properties",properties:te}),f.metaObjects.push({id:d,name:c&&c.Name&&"None"!==c.Name?c.Name:"".concat(r.type," ").concat(d),type:r.type,parent:p,propertySetIds:[d]})},m=0,_=v.length;m<_;m++)g(m);a.finalize(),e.viewer.metaScene.createMetaModel(r,f),a.scene.once("tick",(function(){a.destroyed||(a.scene.fire("modelLoaded",a.id),a.fire("loaded",!0,!1))}))};if(t.src){var p=t.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(p,(function(t){d({fileData:t,sceneModel:i,nextId:0,error:function(e){}}),e.viewer.scene.canvas.spinner.processes--}),(function(t){e.viewer.scene.canvas.spinner.processes--,e.error(t)}))}else if(t.dotBIM){var f={fileData:t.dotBIM,sceneModel:i,nextId:0,error:function(e){}};d(f)}return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),GI=function(e){var t=function(t){return parseInt(e.substr(t+1,2),16)/255};return[t(0),t(2),t(4)]},zI=function(e){for(var t=[],i=0;i<e.length;++i)t.push(i);var r=function(){for(var i=re.vec2(),r=re.vec2(),s=0,n=0;n<t.length;++n){var o=e[t[n]],a=e[t[(n+1)%t.length]],l=e[t[(n+2)%t.length]];re.subVec2(o,a,i),re.subVec2(l,a,r);var u=re.dotVec2(i,r)/Math.sqrt(re.sqLenVec2(i)*re.sqLenVec2(r)),c=Math.acos(Math.max(-1,Math.min(u,1)));s+=i[0]*r[1]-i[1]*r[0]>=0?c:2*Math.PI-c}return s<t.length*Math.PI}(),s=function(){var e=function(e,t,i){return(e[0]-i[0])*(t[1]-i[1])-(t[0]-i[0])*(e[1]-i[1])};return function(t,i,r,s){var n=e(t,i,r),o=e(t,r,s),a=e(t,s,i);return!((n<0||o<0||a<0)&&(n>0||o>0||a>0))}}(),n=[],o=(r?t:t.slice(0).reverse()).map((function(e){return{idx:e}}));o.forEach((function(e,t){e.prev=o[(t-1+o.length)%o.length],e.next=o[(t+1)%o.length]}));for(var a=re.vec2(),l=re.vec2();o.length>2;){for(var u=0,c=function(){if(u>=o.length)throw"isCCW = ".concat(r,"; earIdx = ").concat(u,"; len = ").concat(o.length);var t=o[u],i=e[t.prev.idx],n=e[t.idx],c=e[t.next.idx];if(re.subVec2(i,n,a),re.subVec2(c,n,l),a[0]*l[1]-a[1]*l[0]>=0&&o.every((function(r){return r===t||r===t.prev||r===t.next||!s(e[r.idx],i,n,c)})))return"break";++u};;){if("break"===c())break}var A=o[u];o.splice(u,1),n.push([A.idx,A.next.idx,A.prev.idx]),A.prev.next=A.next,A.next.prev=A.prev}return[e,n,r]},WI=function(e,t){var i=e.canvas.canvas,r=i.parentNode,s=document.createElement("div");r.insertBefore(s,i);var n=5;s.style.background=t,s.style.border="2px solid white",s.style.margin="0 0",s.style.zIndex="100",s.style.position="absolute",s.style.pointerEvents="none",s.style.display="none";var o=new at(e,{}),a=function(e){return e+"px"},l=function(){var e=o.canvasPos.slice();ut(i,r,e),s.style.left=a(e[0]-3-n/2),s.style.top=a(e[1]-3-n/2),s.style.borderRadius=a(2*n),s.style.width=a(n),s.style.height=a(n)},u=e.camera.on("viewMatrix",l),c=e.camera.on("projMatrix",l);return{update:function(e){e&&(o.worldPos=e,l()),s.style.display=e?"":"none"},setHighlighted:function(e){n=e?10:5,l()},getCanvasPos:function(){return o.canvasPos},getWorldPos:function(){return o.worldPos},destroy:function(){s.parentNode.removeChild(s),e.camera.off(u),e.camera.off(c),o.destroy()}}},KI=function(e,t,i){var r=null,s=function(s){if(s){r&&r.destroy();try{var n,o,a=zI(s.map((function(e){return[e[0],e[2]]}))),l=A(a,2),u=l[0],c=l[1],d=(n=[]).concat.apply(n,h(u.map((function(e){return[e[0],s[0][1],e[1]]})))),p=(o=[]).concat.apply(o,h(c));r=new _n(e,{pickable:!1,geometry:new Xi(e,{positions:d,indices:p,normals:re.buildNormals(d,p)}),material:new $i(e,{alpha:void 0!==i?i:.5,backfaces:!0,diffuse:GI(t)})})}catch(e){r=null}}r&&(r.visible=!!s)};return s(null),{updateBase:s,destroy:function(){return r&&r.destroy()}}},XI=function(e,t){return function(i,r,s){var n=e.scene,o=n.canvas.canvas,a=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,ut(o.ownerDocument.documentElement,o,t),t},l=function(e){var i=re.vec3(),r=re.vec3();return re.canvasPosToWorldRay(o,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,i,r),t(i,r)},u=!1,c=function(){u=!1},A=function(){c(),o.removeEventListener("mousedown",d),o.removeEventListener("mousemove",p),e.cameraControl.off(f),o.removeEventListener("mouseup",v)},h=re.vec2(),d=function(e){1===e.which&&(a(e,h),u=!0)};o.addEventListener("mousedown",d);var p=function(e){var t=a(e,re.vec2());u&&re.distVec2(h,t)>20&&(c(),i())};o.addEventListener("mousemove",p);var f=e.cameraControl.on("rayMove",(function(e){var t=e.canvasPos;r(t,l(t))})),v=function(e){if(1===e.which&&u){A();var t=a(e,re.vec2());s(t,l(t))}};return o.addEventListener("mouseup",v),A}},YI=function(e,t,i,r){var s=-(re.dotVec3(i,t)-e)/re.dotVec3(r,t),n=re.vec3();return re.mulVec3Scalar(r,s,n),re.addVec3(i,n,n),n},JI=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";return r._eventSubs={},r.plugin.viewer.scene,r._geometry=s.geometry,s.onMouseOver,s.onMouseLeave,s.onContextMenu,r._alpha="alpha"in s&&void 0!==s.alpha?s.alpha:.5,r.color=s.color,r._visible=!0,r._rebuildMesh(),r}return C(i,[{key:"_rebuildMesh",value:function(){var e,t=this.plugin.viewer.scene,i=this._geometry.planeCoordinates.slice(),r=this._geometry.height<0,s=this._geometry.altitude+(r?this._geometry.height:0),n=this._geometry.height*(r?-1:1),o=A(zI(i),3),a=o[0],l=o[1],u=o[2],d=[],p=[],f=function(e){var t,i=d.length,r=c(a);try{for(r.s();!(t=r.n()).done;){var o=t.value;d.push([o[0],s+(e?n:0),o[1]])}}catch(e){r.e(e)}finally{r.f()}var u,A=c(l);try{for(A.s();!(u=A.n()).done;){var f=u.value;p.push.apply(p,h((e?f:f.slice(0).reverse()).map((function(e){return e+i}))))}}catch(e){A.e(e)}finally{A.f()}};f(!1),f(!0);for(var v=function(e){var t=a[e],i=a[(a.length+e+(u?1:-1))%a.length],r=s,o=s+n,l=d.length;d.push([t[0],r,t[1]],[i[0],r,i[1]],[i[0],o,i[1]],[t[0],o,t[1]]),p.push.apply(p,h([0,1,2,0,2,3].map((function(e){return e+l}))))},g=0;g<a.length;++g)v(g);this._zoneMesh&&this._zoneMesh.destroy();var m=(e=[]).concat.apply(e,d);this._zoneMesh=new _n(t,{edges:this._edges,geometry:new Xi(t,{positions:m,indices:p,normals:re.buildNormals(m,p)}),material:new $i(t,{alpha:this._alpha,backfaces:!0,diffuse:GI(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;var _,y=re.vec2(),b=re.vec2(),x=0,w=c(l);try{for(w.s();!(_=w.n()).done;){var B=_.value,P=a[B[0]],C=a[B[1]],M=a[B[2]];re.subVec2(C,P,y),re.subVec2(M,P,b),x+=Math.abs(y[0]*b[1]-y[1]*b[0])}}catch(e){w.e(e)}finally{w.f()}this._baseArea=x/2,this._metrics=null;var E=function(e){return Math.min.apply(Math,h(d.map((function(t){return t[e]}))))},F=function(e){return Math.max.apply(Math,h(d.map((function(t){return t[e]}))))},k=E(0),I=E(1),D=E(2),S=F(0),T=F(1),L=F(2);this._center=re.vec3([(k+S)/2,(I+T)/2,(D+L)/2])}},{key:"baseArea",get:function(){return this._baseArea}},{key:"area",get:function(){return this._getMetrics().area}},{key:"volume",get:function(){return this._getMetrics().volume}},{key:"_getMetrics",value:function(){if(null===this._metrics){for(var e=0,t=0,i=this._zoneMesh.geometry,r=[re.vec3(),re.vec3(),re.vec3()],s=re.vec3(),n=0;n<i.indices.length;n+=3){for(var o=0;o<3;++o)for(var a=r[o],l=3*i.indices[n+o],u=0;u<3;++u)a[u]=i.positions[l+u];e+=re.dotVec3(r[0],re.cross3Vec3(r[1],r[2],s)),re.subVec3(r[1],r[0],r[1]),re.subVec3(r[2],r[0],r[2]),t+=re.lenVec3(re.cross3Vec3(r[1],r[2],s))}this._metrics={area:t/2,volume:e/6}}return this._metrics}},{key:"sectionedAverage",value:function(e){var t=this._geometry.planeCoordinates.slice(),i=[],r=this._geometry.height,s=this._geometry.altitude,n=s+Math.max(0,r),o=s+Math.min(0,r),a=function(e){var r=t.map((function(t){return[t[0],e?n:o,t[1]]}));i.push(e?r:r.slice(0).reverse())};a(!0),a(!1);for(var l=function(e,i){return[t[e][0],i,t[e][1]]},u=0;u<t.length;++u){var A=(u+1)%t.length;i.push([l(u,o),l(A,o),l(A,n),l(u,n)])}var h,d=c(e);try{for(d.s();!(h=d.n()).done;){var p,f=h.value,v=f.dir,g=f.dist,m=[],_=c(i);try{for(_.s();!(p=_.n()).done;){for(var y=p.value,b=1e-5,x=0,w=[],B=0;B<y.length;B++){var P=re.dotVec3(v,y[B])+g,C=P<-1e-5?2:P>b?1:0;x|=C,w.push(C)}switch(x){case 0:case 1:m.push(y);break;case 2:break;case 3:for(var M=[],E=0;E<y.length;E++){var F=(E+1)%y.length,k=w[E],I=w[F],D=y[E],S=y[F];if(2!==k&&M.push(D),3==(k|I)){var T=re.vec3();re.subVec3(S,D,T);var L=-(g+re.dotVec3(v,D))/re.dotVec3(v,T),R=[0,0,0];re.lerpVec3(L,0,1,D,S,R),M.push(R)}}M.length>=3&&m.push(M)}}}catch(e){_.e(e)}finally{_.f()}i=m}}catch(e){d.e(e)}finally{d.f()}if(0===i.length)return null;var U,O=re.vec3([0,0,0]),N=new Set,Q=c(i);try{for(Q.s();!(U=Q.n()).done;){var V,H=c(U.value);try{for(H.s();!(V=H.n()).done;){var j=V.value,G=j.map((function(e){return e.toFixed(3)})).join(":");N.has(G)||(N.add(G),re.addVec3(O,j,O))}}catch(e){H.e(e)}finally{H.f()}}}catch(e){Q.e(e)}finally{Q.f()}return re.mulVec3Scalar(O,1/N.size,O),O}},{key:"center",get:function(){return this._center}},{key:"altitude",get:function(){return this._geometry.altitude},set:function(e){this._geometry.altitude=e,this._rebuildMesh()}},{key:"height",get:function(){return this._geometry.height},set:function(e){this._geometry.height=e,this._rebuildMesh()}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=GI(this._color))}},{key:"alpha",get:function(){return this._alpha},set:function(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}},{key:"edges",get:function(){return this._edges},set:function(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}},{key:"getJSON",value:function(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}},{key:"duplicate",value:function(){return this.plugin.createZone({id:re.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((function(e){return e.slice()})),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}},{key:"destroy",value:function(){this._zoneMesh.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ZI=function(e){g(i,Ce);var t=_(i);function i(e,r,s){var n;return B(this,i),(n=t.call(this,e.viewer.scene)).zonesPlugin=e,n.pointerLens=r.pointerLens,n.createSelect3dPoint=s,n._deactivate=null,n}return C(i,[{key:"active",get:function(){return!!this._deactivate}},{key:"activate",value:function(e,t,i,r){if(!this._deactivate){if("object"===w(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=this.createSelect3dPoint(a,(function(t,i){return YI(e,re.vec3([0,1,0]),t,i)}));!function s(){var n=KI(l,i,r),a=function(e,t,i,r,s,n){var o=WI(e,t),a=WI(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:function(){},u=r((function(){l(null),o.update(null)}),(function(e,t){l(e),o.update(t)}),(function(e,t){o.update(t),u=r((function(){l(null),a.update(null),s(null)}),(function(e,i){l(e),a.update(i),s(re.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),o.destroy(),a.destroy(),l(null),n([t,i])}))}));return{deactivate:function(){u(),o.destroy(),a.destroy(),l(null)}}}(l,i,u.pointerLens,c,(function(e){if(e){var t=e[0],i=e[1],r=function(e){return Math.min(t[e],i[e])},s=function(e){return Math.max(t[e],i[e])},o=r(0),a=r(1),l=r(2),u=s(0);s(1);var c=s(2);n.updateBase([[o,a,c],[u,a,c],[u,a,l],[o,a,l]])}else n.updateBase(null)}),(function(a){n.destroy();var l=function(e,t,i,r,s,n,o){var a=function(i){return Math.min(e[i],t[i])},l=function(i){return Math.max(e[i],t[i])},u=a(0),c=a(2),A=l(0),h=l(2);return o.createZone({id:re.createUUID(),geometry:{planeCoordinates:[[u,h],[A,h],[A,c],[u,c]],altitude:i,height:r},alpha:n,color:s})}(a[0],a[1],e,t,i,r,o),c=!0;u._deactivate=function(){c=!1},u.fire("zoneEnd",l),c&&s()})).deactivate;u._deactivate=function(){a(),n.destroy()}}()}}},{key:"deactivate",value:function(){this._deactivate&&(this._deactivate(),this._deactivate=null)}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),qI=function(e){g(i,ZI);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r,(function(e,t){return XI(e,t)}))}return C(i)}(),$I=function(e){g(i,ZI);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=new Re(e.viewer);return(r=t.call(this,e,s,(function(e,t){return dt(e,n,t)}))).pointerCircle=n,r}return C(i,[{key:"destroy",value:function(){this.pointerCircle.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),eD=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"Zones",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._zones=[],r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),zone:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),zone:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),zone:t,event:e})},r}return C(i,[{key:"createZone",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=new JI(this,{id:t.id,plugin:this,container:this._container,geometry:t.geometry,alpha:t.alpha,color:t.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(i),i.on("destroyed",(function(){var t=e._zones.indexOf(i);t>=0&&e._zones.splice(t,1)})),this.fire("zoneCreated",i),i}},{key:"zones",get:function(){return this._zones}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),tD=function(e,t,i,r,s,n,o,a,l){var u,c=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},A=[function(){return c(null)}],h=KI(e,r,s);return A.push((function(){return h.destroy()})),function n(d){var p=WI(e,r),f=d.length>0&&function(e,t,i){var r=e.canvas.canvas,s=new at(e,{});s.worldPos=i;var n=new at(e,{}),o=r.ownerDocument.body,a=new pt(o,{color:t,thickness:1,thicknessClickable:6});a.setVisible(!1);var l=function(){var e=s.canvasPos.slice(),t=n.canvasPos.slice();ut(r,o,e),ut(r,o,t),a.setStartAndEnd(e[0],e[1],t[0],t[1])},u=e.camera.on("viewMatrix",l),c=e.camera.on("projMatrix",l);return{update:function(e){e&&(n.worldPos=e,l()),a.setVisible(!!e)},destroy:function(){e.camera.off(u),e.camera.off(c),s.destroy(),n.destroy(),a.destroy()}}}(e,r,d[d.length-1].getWorldPos());A.push((function(){p.destroy(),f&&f.destroy()}));var v=d.length>0&&d[0],g=function(e){var t=v&&v.getCanvasPos();return t&&re.distVec2(t,e)<10&&{canvasPos:t,worldPos:v.getWorldPos()}},m=function(){var e=function(e,t,i){return t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1])},t=function(e,t,i){var r=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===r?0:r>0?1:2};return function(i,r){for(var s=i[i.length-2],n=i[i.length-1],o=r?1:0;o<i.length-2-1;++o){var a=i[o],l=i[o+1],u=t(s,n,a),c=t(s,n,l),A=t(a,l,s),h=t(a,l,n);if(u!==c&&A!==h||0===u&&e(s,a,n)||0===c&&e(s,l,n)||0===A&&e(a,s,l)||0===h&&e(a,n,l))return!0}return!1}}();u=a((function(){c(null),p.update(null),f&&f.update(null),h.updateBase(d.length>2?d.map((function(e){return e.getWorldPos()})):null)}),(function(e,t){var i=d.length>2&&g(e);if(v&&v.setHighlighted(!!i),c(i?i.canvasPos:e),p.update(!i&&t),f&&f.update(i?i.worldPos:t),d.length>=2){var r=d.map((function(e){return e.getWorldPos()})).concat(i?[]:[t]),s=m(r.map((function(e){return[e[0],e[2]]})),i);h.updateBase(s?null:r)}else h.updateBase(null)}),(function(e,a){var u=d.length>2&&g(e),c=d.map((function(e){return e.getWorldPos()})).concat(u?[]:[a]);h.updateBase(c);var v=c.map((function(e){return[e[0],e[2]]}));d.length>2&&m(v,u)?(A.pop()(),n(d)):u?(p.update(a),A.forEach((function(e){return e()})),l(o.createZone({id:re.createUUID(),geometry:{planeCoordinates:v,altitude:t,height:i},alpha:s,color:r}))):(p.update(a),f&&f.update(a),n(d.concat(p)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){u(),A.forEach((function(e){return e()}))}}},iD=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene)).zonesPlugin=e,r.pointerLens=s.pointerLens,r._action=null,r}return C(i,[{key:"active",get:function(){return!!this._action}},{key:"activate",value:function(e,t,i,r){if("object"===w(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}if(!this._action){var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=XI(a,(function(t,i){return YI(e,re.vec3([0,1,0]),t,i)}));!function s(){u._action=tD(l,e,t,i,r,u.pointerLens,o,c,(function(e){var 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t[0]=e.clientX,t[1]=e.clientY,ut(u.ownerDocument.documentElement,u,t),t},g=function(e,t){var i=function(e){e.preventDefault(),t(e)};return u.addEventListener(e,i),function(){return u.removeEventListener(e,i)}},m=function(){},_=function(t,i,r,s){var n,o,l,A,h=s(t),d=v(h,re.vec2()),_=a.scene.pick({canvasPos:d,includeEntities:[e._zoneMesh.id]});if((_&&_.entity&&_.entity.zone)===e){m(),u.style.cursor="move",a.cameraControl.active=!1;var y=(n=e._geometry.planeCoordinates.map((function(e){return e.slice()})),o=f(d),l=re.vec2([o[0],o[2]]),A=re.vec2(),function(t){var i=f(t);A[0]=i[0],A[1]=i[2],re.subVec2(l,A,A),e._geometry.planeCoordinates.forEach((function(e,t){re.subVec2(n[t],A,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}),b=g(i,(function(e){var t=s(e);if(t){var i=v(t,re.vec2());y(i),p(i)}})),x=g(r,(function(e){var t=s(e);if(t){var 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AmbientLight,Bt as AngleMeasurementEditMouseControl,Pt as AngleMeasurementEditTouchControl,_t as AngleMeasurementsControl,yt as AngleMeasurementsMouseControl,bt as AngleMeasurementsPlugin,xt as AngleMeasurementsTouchControl,kt as AnnotationsPlugin,Pn as AxisGizmoPlugin,Xh as BCFViewpointsPlugin,fo as Bitmap,Er as ByteType,Nd as CameraMemento,_d as CameraPath,Cd as CameraPathAnimation,VI as CityJSONLoaderPlugin,fr as ClampToEdgeWrapping,Ce as Component,Ms as CompressedMediaType,Ba as Configs,Y as ContextMenu,Gd as CubicBezierCurve,vd as Curve,nh as DefaultLoadingManager,jr as DepthFormat,Gr as DepthStencilFormat,Li as DirLight,ld as DistanceMeasurementEditControl,ud as DistanceMeasurementEditMouseControl,cd as DistanceMeasurementEditTouchControl,sd as DistanceMeasurementsControl,nd as DistanceMeasurementsMouseControl,od as DistanceMeasurementsPlugin,ad as DistanceMeasurementsTouchControl,ct as Dot3D,HI as DotBIMDefaultDataSource,jI as DotBIMLoaderPlugin,rr as EdgeMaterial,tr as EmphasisMaterial,bF as FaceAlignedSectionPlanesPlugin,Ad as FastNavPlugin,Sr as FloatType,$n as Fresnel,Ie as Frustum,ke as FrustumPlane,Bs as GIFMediaType,hd as GLTFDefaultDataSource,NE as GLTFLoaderPlugin,Tr as HalfFloatType,Id as ImagePlane,Ir as IntType,Ps as JPEGMediaType,Ah as KTX2TextureTranscoder,lI as LASLoaderPlugin,Un as LambertMaterial,Ud as LightMap,jh as LineSet,xs as LinearEncoding,xr as LinearFilter,Cr as LinearMipMapLinearFilter,Br as LinearMipMapNearestFilter,Pr as LinearMipmapLinearFilter,wr as LinearMipmapNearestFilter,oh as Loader,sh as LoadingManager,dd as LocaleService,Hr as LuminanceAlphaFormat,Vr as LuminanceFormat,G as Map,at as Marker,Te as MarqueePicker,Le as MarqueePickerMouseControl,_n as Mesh,Eo as MeshSurfaceArea,yo as MeshVolume,Qn as MetallicMaterial,vr as MirroredRepeatWrapping,Vd as ModelMemento,jE as NavCubePlugin,gr as NearestFilter,br as NearestMipMapLinearFilter,mr as NearestMipMapNearestFilter,yr as NearestMipmapLinearFilter,_r as NearestMipmapNearestFilter,Rn as Node,$E as OBJLoaderPlugin,ne as ObjectsKdTree3,jd as ObjectsMemento,Cs as PNGMediaType,zd as Path,Kd as PerformanceModel,$i as PhongMaterial,Ot as PickResult,Ue as Plugin,Dd as PointLight,Re as PointerCircle,J as PointerLens,Wd as QuadraticBezierCurve,oe as Queue,Qr as RGBAFormat,Yr as RGBAIntegerFormat,ms as RGBA_ASTC_10x10_Format,fs as RGBA_ASTC_10x5_Format,vs as RGBA_ASTC_10x6_Format,gs as RGBA_ASTC_10x8_Format,_s as RGBA_ASTC_12x10_Format,ys as RGBA_ASTC_12x12_Format,as as RGBA_ASTC_4x4_Format,ls as RGBA_ASTC_5x4_Format,us as RGBA_ASTC_5x5_Format,cs as RGBA_ASTC_6x5_Format,As as RGBA_ASTC_6x6_Format,hs as RGBA_ASTC_8x5_Format,ds as RGBA_ASTC_8x6_Format,ps as RGBA_ASTC_8x8_Format,bs as RGBA_BPTC_Format,os as RGBA_ETC2_EAC_Format,rs as RGBA_PVRTC_2BPPV1_Format,is as RGBA_PVRTC_4BPPV1_Format,Zr as RGBA_S3TC_DXT1_Format,qr as RGBA_S3TC_DXT3_Format,$r as RGBA_S3TC_DXT5_Format,Nr as RGBFormat,ss as RGB_ETC1_Format,ns as RGB_ETC2_Format,ts as RGB_PVRTC_2BPPV1_Format,es as RGB_PVRTC_4BPPV1_Format,Jr as RGB_S3TC_DXT1_Format,Kr as RGFormat,Xr as RGIntegerFormat,Xi as ReadableGeometry,zr as RedFormat,Wr as RedIntegerFormat,Rd as ReflectionMap,pr as RepeatWrapping,wF as STLDefaultDataSource,DF as STLLoaderPlugin,Vh as SceneModel,So as SceneModelMesh,Dh as SceneModelTransform,Cn as SectionPlane,aF as SectionPlanesPlugin,Fr as ShortType,Xd as Skybox,xF as SkyboxesPlugin,jn as SpecularMaterial,gd as SplineCurve,Od as SpriteMarker,dF as StoreyViewsPlugin,qn as Texture,Yd as TextureTranscoder,LF as TreeViewPlugin,Mr as UnsignedByteType,Ur as UnsignedInt248Type,Dr as UnsignedIntType,Lr as UnsignedShort4444Type,Rr as UnsignedShort5551Type,kr as UnsignedShortType,io as VBOGeometry,QF as ViewCullPlugin,Ob as Viewer,eI as WebIFCLoaderPlugin,uh as WorkerPool,VF as XKTDefaultDataSource,Rk as XKTLoaderPlugin,qk as XML3DLoaderPlugin,sD as ZoneEditControl,nD as ZoneEditMouseControl,oD as ZoneEditTouchControl,aD as ZoneTranslateControl,lD as ZoneTranslateMouseControl,uD as ZoneTranslateTouchControl,qI as ZonesMouseControl,eD as ZonesPlugin,iD as ZonesPolysurfaceMouseControl,rD as ZonesPolysurfaceTouchControl,$I as ZonesTouchControl,At as activateDraggableDot,ht as activateDraggableDots,Yi as buildBoxGeometry,oo as buildBoxLinesGeometry,ao as buildBoxLinesGeometryFromAABB,bn as buildCylinderGeometry,lo as buildGridGeometry,po as buildLineGeometry,uo as buildPlaneGeometry,Ao as buildPolylineGeometry,ho as buildPolylineGeometryFromCurve,xn as buildSphereGeometry,co as buildTorusGeometry,Bn as buildVectorTextGeometry,He as createRTCViewMat,Se as frustumIntersectsAABB3,dh as getKTX2TextureTranscoder,We as getPlaneRTCPos,vo as isTriangleMeshSolid,so as load3DSGeometry,no as loadOBJGeometry,re as math,Fo as meshSurfaceArea,bo as meshVolume,ze as rtcToWorldPos,ws as sRGBEncoding,De as setFrustum,ae as stats,dt as touchPointSelector,ut as transformToNode,he as utils,je as worldToRTCPos,Ge as worldToRTCPositions};
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c=u.length?parseInt(Xp.apply(void 0,u),10):0;return i*(s+a*Math.pow(10,-o))*Math.pow(10,l*c)},tv={type:2},iv={type:3},rv={type:4},sv={type:13},nv={type:8},ov={type:21},av={type:9},lv={type:10},uv={type:11},cv={type:12},Av={type:14},hv={type:23},dv={type:1},pv={type:25},fv={type:24},vv={type:26},gv={type:27},mv={type:28},_v={type:29},yv={type:31},bv={type:32},xv=function(){function e(){this._value=[]}return e.prototype.write=function(e){this._value=this._value.concat(Kp(e))},e.prototype.read=function(){for(var e=[],t=this.consumeToken();t!==bv;)e.push(t),t=this.consumeToken();return e},e.prototype.consumeToken=function(){var e=this.consumeCodePoint();switch(e){case 34:return this.consumeStringToken(34);case 35:var t=this.peekCodePoint(0),i=this.peekCodePoint(1),r=this.peekCodePoint(2);if(Jf(t)||Zf(i,r)){var s=qf(t,i,r)?2:1;return{type:5,value:this.consumeName(),flags:s}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),sv;break;case 39:return this.consumeStringToken(39);case 40:return tv;case 41:return iv;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Av;break;case 43:if($f(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return rv;case 45:var n=e,o=this.peekCodePoint(0),a=this.peekCodePoint(1);if($f(n,o,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(qf(n,o,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===o&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),fv;break;case 46:if($f(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return vv;case 59:return gv;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),pv;break;case 64:var u=this.peekCodePoint(0),c=this.peekCodePoint(1),A=this.peekCodePoint(2);if(qf(u,c,A))return{type:7,value:this.consumeName()};break;case 91:return mv;case 92:if(Zf(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return _v;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),nv;break;case 123:return uv;case 125:return cv;case 117:case 85:var h=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==h||!Wf(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),av;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),ov;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),lv;break;case-1:return bv}return Kf(e)?(this.consumeWhiteSpace(),yv):zf(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):Xf(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:Xp(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();Wf(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(Xp.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(Xp.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var r=parseInt(Xp.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&Wf(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var s=[];Wf(t)&&s.length<6;)s.push(t),t=this.consumeCodePoint();return{type:30,start:r,end:parseInt(Xp.apply(void 0,s),16)}}return{type:30,start:r,end:r}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),hv)}for(;;){var r=this.consumeCodePoint();if(-1===r||41===r)return{type:22,value:Xp.apply(void 0,e)};if(Kf(r))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:Xp.apply(void 0,e)}):(this.consumeBadUrlRemnants(),hv);if(34===r||39===r||40===r||Yf(r))return this.consumeBadUrlRemnants(),hv;if(92===r){if(!Zf(r,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),hv;e.push(this.consumeEscapedCodePoint())}else e.push(r)}},e.prototype.consumeWhiteSpace=function(){for(;Kf(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;Zf(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=Xp.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var r=this._value[i];if(-1===r||void 0===r||r===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===r)return this._value.splice(0,i),dv;if(92===r){var s=this._value[i+1];-1!==s&&void 0!==s&&(10===s?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):Zf(r,s)&&(t+=this.consumeStringSlice(i),t+=Xp(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());zf(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var r=this.peekCodePoint(1);if(46===i&&zf(r))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;zf(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),r=this.peekCodePoint(1);var s=this.peekCodePoint(2);if((69===i||101===i)&&((43===r||45===r)&&zf(s)||zf(r)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;zf(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[ev(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],r=this.peekCodePoint(0),s=this.peekCodePoint(1),n=this.peekCodePoint(2);return qf(r,s,n)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===r?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(Wf(e)){for(var t=Xp(e);Wf(this.peekCodePoint(0))&&t.length<6;)t+=Xp(this.consumeCodePoint());Kf(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(Jf(t))e+=Xp(t);else{if(!Zf(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=Xp(this.consumeEscapedCodePoint())}}},e}(),wv=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new xv;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||Dv(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?bv:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),Bv=function(e){return 15===e.type},Pv=function(e){return 17===e.type},Cv=function(e){return 20===e.type},Mv=function(e){return 0===e.type},Ev=function(e,t){return Cv(e)&&e.value===t},Fv=function(e){return 31!==e.type},kv=function(e){return 31!==e.type&&4!==e.type},Iv=function(e){var t=[],i=[];return e.forEach((function(e){if(4===e.type){if(0===i.length)throw new Error("Error parsing function args, zero tokens for arg");return t.push(i),void(i=[])}31!==e.type&&i.push(e)})),i.length&&t.push(i),t},Dv=function(e,t){return 11===t&&12===e.type||(28===t&&29===e.type||2===t&&3===e.type)},Sv=function(e){return 17===e.type||15===e.type},Tv=function(e){return 16===e.type||Sv(e)},Lv=function(e){return e.length>1?[e[0],e[1]]:[e[0]]},Rv={type:17,number:0,flags:4},Uv={type:16,number:50,flags:4},Ov={type:16,number:100,flags:4},Nv=function(e,t,i){var r=e[0],s=e[1];return[Qv(r,t),Qv(void 0!==s?s:r,i)]},Qv=function(e,t){if(16===e.type)return e.number/100*t;if(Bv(e))switch(e.unit){case"rem":case"em":return 16*e.number;default:return e.number}return e.number},Vv=function(e,t){if(15===t.type)switch(t.unit){case"deg":return Math.PI*t.number/180;case"grad":return Math.PI/200*t.number;case"rad":return t.number;case"turn":return 2*Math.PI*t.number}throw new Error("Unsupported angle type")},Hv=function(e){return 15===e.type&&("deg"===e.unit||"grad"===e.unit||"rad"===e.unit||"turn"===e.unit)},jv=function(e){switch(e.filter(Cv).map((function(e){return e.value})).join(" ")){case"to bottom right":case"to right bottom":case"left top":case"top left":return[Rv,Rv];case"to top":case"bottom":return Gv(0);case"to bottom left":case"to left bottom":case"right top":case"top right":return[Rv,Ov];case"to right":case"left":return Gv(90);case"to top left":case"to left top":case"right bottom":case"bottom right":return[Ov,Ov];case"to bottom":case"top":return Gv(180);case"to top right":case"to right top":case"left bottom":case"bottom left":return[Ov,Rv];case"to left":case"right":return Gv(270)}return 0},Gv=function(e){return Math.PI*e/180},zv=function(e,t){if(18===t.type){var i=$v[t.name];if(void 0===i)throw new Error('Attempting to parse an unsupported color 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Xy(i.left+B/2,i.top+b/2),this.topRightBorderStroke=s>0||n>0?$y(i.left+g,i.top+b/2,a-x/2,l-b/2,By.TOP_RIGHT):new Xy(i.left+i.width-x/2,i.top+b/2),this.bottomRightBorderStroke=c>0||A>0?$y(i.left+_,i.top+m,c-x/2,A-w/2,By.BOTTOM_RIGHT):new Xy(i.left+i.width-x/2,i.top+i.height-w/2),this.bottomLeftBorderStroke=d>0||p>0?$y(i.left+B/2,i.top+y,d-B/2,p-w/2,By.BOTTOM_LEFT):new Xy(i.left+B/2,i.top+i.height-w/2),this.topLeftBorderBox=s>0||n>0?$y(i.left,i.top,s,n,By.TOP_LEFT):new Xy(i.left,i.top),this.topRightBorderBox=a>0||l>0?$y(i.left+g,i.top,a,l,By.TOP_RIGHT):new Xy(i.left+i.width,i.top),this.bottomRightBorderBox=c>0||A>0?$y(i.left+_,i.top+m,c,A,By.BOTTOM_RIGHT):new Xy(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?$y(i.left,i.top+y,d,p,By.BOTTOM_LEFT):new Xy(i.left,i.top+i.height),this.topLeftPaddingBox=s>0||n>0?$y(i.left+B,i.top+b,Math.max(0,s-B),Math.max(0,n-b),By.TOP_LEFT):new Xy(i.left+B,i.top+b),this.topRightPaddingBox=a>0||l>0?$y(i.left+Math.min(g,i.width-x),i.top+b,g>i.width+x?0:Math.max(0,a-x),Math.max(0,l-b),By.TOP_RIGHT):new Xy(i.left+i.width-x,i.top+b),this.bottomRightPaddingBox=c>0||A>0?$y(i.left+Math.min(_,i.width-B),i.top+Math.min(m,i.height-w),Math.max(0,c-x),Math.max(0,A-w),By.BOTTOM_RIGHT):new Xy(i.left+i.width-x,i.top+i.height-w),this.bottomLeftPaddingBox=d>0||p>0?$y(i.left+B,i.top+Math.min(y,i.height-w),Math.max(0,d-B),Math.max(0,p-w),By.BOTTOM_LEFT):new Xy(i.left+B,i.top+i.height-w),this.topLeftContentBox=s>0||n>0?$y(i.left+B+E,i.top+b+P,Math.max(0,s-(B+E)),Math.max(0,n-(b+P)),By.TOP_LEFT):new Xy(i.left+B+E,i.top+b+P),this.topRightContentBox=a>0||l>0?$y(i.left+Math.min(g,i.width+B+E),i.top+b+P,g>i.width+B+E?0:a-B+E,l-(b+P),By.TOP_RIGHT):new Xy(i.left+i.width-(x+C),i.top+b+P),this.bottomRightContentBox=c>0||A>0?$y(i.left+Math.min(_,i.width-(B+E)),i.top+Math.min(m,i.height+b+P),Math.max(0,c-(x+C)),A-(w+M),By.BOTTOM_RIGHT):new Xy(i.left+i.width-(x+C),i.top+i.height-(w+M)),this.bottomLeftContentBox=d>0||p>0?$y(i.left+B+E,i.top+y,Math.max(0,d-(B+E)),p-(w+M),By.BOTTOM_LEFT):new Xy(i.left+B+E,i.top+i.height-(w+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}(By||(By={}));var $y=function(e,t,i,r,s){var n=(Math.sqrt(2)-1)/3*4,o=i*n,a=r*n,l=e+i,u=t+r;switch(s){case By.TOP_LEFT:return new Yy(new Xy(e,u),new Xy(e,u-a),new Xy(l-o,t),new Xy(l,t));case By.TOP_RIGHT:return new Yy(new Xy(e,t),new Xy(e+o,t),new Xy(l,u-a),new Xy(l,u));case By.BOTTOM_RIGHT:return new Yy(new Xy(l,t),new Xy(l,t+a),new Xy(e+o,u),new Xy(e,u));case By.BOTTOM_LEFT:default:return new Yy(new Xy(l,u),new Xy(l-o,u),new Xy(e,t+a),new Xy(e,t))}},eb=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},tb=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},ib=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},rb=function(e,t){this.path=e,this.target=t,this.type=1},sb=function(e){this.opacity=e,this.type=2,this.target=6},nb=function(e){return 1===e.type},ob=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},ab=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},lb=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new qy(this.container),this.container.styles.opacity<1&&this.effects.push(new sb(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,r=this.container.bounds.top+this.container.styles.transformOrigin[1].number,s=this.container.styles.transform;this.effects.push(new ib(i,r,s))}if(0!==this.container.styles.overflowX){var n=eb(this.curves),o=tb(this.curves);ob(n,o)?this.effects.push(new rb(n,6)):(this.effects.push(new rb(n,2)),this.effects.push(new rb(o,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,r=this.effects.slice(0);i;){var s=i.effects.filter((function(e){return!nb(e)}));if(t||0!==i.container.styles.position||!i.parent){if(r.unshift.apply(r,s),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var n=eb(i.curves),o=tb(i.curves);ob(n,o)||r.unshift(new rb(o,6))}}else r.unshift.apply(r,s);i=i.parent}return r.filter((function(t){return Tm(t.target,e)}))},e}(),ub=function e(t,i,r,s){t.container.elements.forEach((function(n){var o=Tm(n.flags,4),a=Tm(n.flags,2),l=new lb(n,t);Tm(n.styles.display,2048)&&s.push(l);var u=Tm(n.flags,8)?[]:s;if(o||a){var c=o||n.styles.isPositioned()?r:i,A=new ab(l);if(n.styles.isPositioned()||n.styles.opacity<1||n.styles.isTransformed()){var h=n.styles.zIndex.order;if(h<0){var d=0;c.negativeZIndex.some((function(e,t){return h>e.element.container.styles.zIndex.order?(d=t,!1):d>0})),c.negativeZIndex.splice(d,0,A)}else if(h>0){var p=0;c.positiveZIndex.some((function(e,t){return h>=e.element.container.styles.zIndex.order?(p=t+1,!1):p>0})),c.positiveZIndex.splice(p,0,A)}else c.zeroOrAutoZIndexOrTransformedOrOpacity.push(A)}else n.styles.isFloating()?c.nonPositionedFloats.push(A):c.nonPositionedInlineLevel.push(A);e(l,A,o?A:r,u)}else n.styles.isInlineLevel()?i.inlineLevel.push(l):i.nonInlineLevel.push(l),e(l,i,r,u);Tm(n.flags,8)&&cb(n,u)}))},cb=function(e,t){for(var i=e instanceof T_?e.start:1,r=e instanceof T_&&e.reversed,s=0;s<t.length;s++){var n=t[s];n.container instanceof S_&&"number"==typeof n.container.value&&0!==n.container.value&&(i=n.container.value),n.listValue=xy(i,n.container.styles.listStyleType,!0),i+=r?-1:1}},Ab=function(e){var t=new lb(e,null),i=new ab(t),r=[];return ub(t,i,i,r),cb(t.container,r),i},hb=function(e,t){switch(t){case 0:return pb(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return pb(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return pb(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return pb(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},db=function(e,t){var i=[];return Zy(e)?i.push(e.subdivide(.5,!1)):i.push(e),Zy(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},pb=function(e,t,i,r){var s=[];return Zy(e)?s.push(e.subdivide(.5,!1)):s.push(e),Zy(i)?s.push(i.subdivide(.5,!0)):s.push(i),Zy(r)?s.push(r.subdivide(.5,!0).reverse()):s.push(r),Zy(t)?s.push(t.subdivide(.5,!1).reverse()):s.push(t),s},fb=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},vb=function(e){var t=e.styles,i=e.bounds,r=Qv(t.paddingLeft,i.width),s=Qv(t.paddingRight,i.width),n=Qv(t.paddingTop,i.width),o=Qv(t.paddingBottom,i.width);return i.add(r+t.borderLeftWidth,n+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+r+s),-(t.borderTopWidth+t.borderBottomWidth+n+o))},gb=function(e,t,i){var r=function(e,t){return 0===e?t.bounds:2===e?vb(t):fb(t)}(bb(e.styles.backgroundOrigin,t),e),s=function(e,t){return 0===e?t.bounds:2===e?vb(t):fb(t)}(bb(e.styles.backgroundClip,t),e),n=yb(bb(e.styles.backgroundSize,t),i,r),o=n[0],a=n[1],l=Nv(bb(e.styles.backgroundPosition,t),r.width-o,r.height-a);return[xb(bb(e.styles.backgroundRepeat,t),l,n,r,s),Math.round(r.left+l[0]),Math.round(r.top+l[1]),o,a]},mb=function(e){return Cv(e)&&e.value===hg.AUTO},_b=function(e){return"number"==typeof e},yb=function(e,t,i){var r=t[0],s=t[1],n=t[2],o=e[0],a=e[1];if(!o)return[0,0];if(Tv(o)&&a&&Tv(a))return[Qv(o,i.width),Qv(a,i.height)];var l=_b(n);if(Cv(o)&&(o.value===hg.CONTAIN||o.value===hg.COVER))return _b(n)?i.width/i.height<n!=(o.value===hg.COVER)?[i.width,i.width/n]:[i.height*n,i.height]:[i.width,i.height];var u=_b(r),c=_b(s),A=u||c;if(mb(o)&&(!a||mb(a)))return u&&c?[r,s]:l||A?A&&l?[u?r:s*n,c?s:r/n]:[u?r:i.width,c?s:i.height]:[i.width,i.height];if(l){var h=0,d=0;return Tv(o)?h=Qv(o,i.width):Tv(a)&&(d=Qv(a,i.height)),mb(o)?h=d*n:a&&!mb(a)||(d=h/n),[h,d]}var p=null,f=null;if(Tv(o)?p=Qv(o,i.width):a&&Tv(a)&&(f=Qv(a,i.height)),null===p||a&&!mb(a)||(f=u&&c?p/r*s:i.height),null!==f&&mb(o)&&(p=u&&c?f/s*r:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},bb=function(e,t){var i=e[t];return void 0===i?e[0]:i},xb=function(e,t,i,r,s){var n=t[0],o=t[1],a=i[0],l=i[1];switch(e){case 2:return[new Xy(Math.round(r.left),Math.round(r.top+o)),new Xy(Math.round(r.left+r.width),Math.round(r.top+o)),new Xy(Math.round(r.left+r.width),Math.round(l+r.top+o)),new Xy(Math.round(r.left),Math.round(l+r.top+o))];case 3:return[new Xy(Math.round(r.left+n),Math.round(r.top)),new Xy(Math.round(r.left+n+a),Math.round(r.top)),new Xy(Math.round(r.left+n+a),Math.round(r.height+r.top)),new Xy(Math.round(r.left+n),Math.round(r.height+r.top))];case 1:return[new Xy(Math.round(r.left+n),Math.round(r.top+o)),new Xy(Math.round(r.left+n+a),Math.round(r.top+o)),new Xy(Math.round(r.left+n+a),Math.round(r.top+o+l)),new Xy(Math.round(r.left+n),Math.round(r.top+o+l))];default:return[new Xy(Math.round(s.left),Math.round(s.top)),new Xy(Math.round(s.left+s.width),Math.round(s.top)),new Xy(Math.round(s.left+s.width),Math.round(s.height+s.top)),new Xy(Math.round(s.left),Math.round(s.height+s.top))]}},wb=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),r=this._document.createElement("img"),s=this._document.createElement("span"),n=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",n.appendChild(i),r.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",r.width=1,r.height=1,r.style.margin="0",r.style.padding="0",r.style.verticalAlign="baseline",s.style.fontFamily=e,s.style.fontSize=t,s.style.margin="0",s.style.padding="0",s.appendChild(this._document.createTextNode("Hidden Text")),i.appendChild(s),i.appendChild(r);var o=r.offsetTop-s.offsetTop+2;i.removeChild(s),i.appendChild(this._document.createTextNode("Hidden Text")),i.style.lineHeight="normal",r.style.verticalAlign="super";var a=r.offsetTop-i.offsetTop+2;return n.removeChild(i),{baseline:o,middle:a}},e.prototype.getMetrics=function(e,t){var i=e+" "+t;return void 0===this._data[i]&&(this._data[i]=this.parseMetrics(e,t)),this._data[i]},e}(),Bb=function(e,t){this.context=e,this.options=t},Pb=function(e){function t(t,i){var r=e.call(this,t,i)||this;return r._activeEffects=[],r.canvas=i.canvas?i.canvas:document.createElement("canvas"),r.ctx=r.canvas.getContext("2d"),i.canvas||(r.canvas.width=Math.floor(i.width*i.scale),r.canvas.height=Math.floor(i.height*i.scale),r.canvas.style.width=i.width+"px",r.canvas.style.height=i.height+"px"),r.fontMetrics=new wb(document),r.ctx.scale(r.options.scale,r.options.scale),r.ctx.translate(-i.x,-i.y),r.ctx.textBaseline="bottom",r._activeEffects=[],r.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),r}return Qp(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),nb(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return Hp(this,void 0,void 0,(function(){return jp(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return Hp(this,void 0,void 0,(function(){return jp(this,(function(t){switch(t.label){case 0:return Tm(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var r=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):x_(e.text).reduce((function(t,s){return r.ctx.fillText(s,t,e.bounds.top+i),t+r.ctx.measureText(s).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=kb(e.fontFamily).join(", "),r=Bv(e.fontSize)?""+e.fontSize.number+e.fontSize.unit:e.fontSize.number+"px";return[[e.fontStyle,t,e.fontWeight,r,i].join(" "),i,r]},t.prototype.renderTextNode=function(e,t){return Hp(this,void 0,void 0,(function(){var i,r,s,n,o,a,l,u,c=this;return jp(this,(function(A){return i=this.createFontStyle(t),r=i[0],s=i[1],n=i[2],this.ctx.font=r,this.ctx.direction=1===t.direction?"rtl":"ltr",this.ctx.textAlign="left",this.ctx.textBaseline="alphabetic",o=this.fontMetrics.getMetrics(s,n),a=o.baseline,l=o.middle,u=t.paintOrder,e.textBounds.forEach((function(e){u.forEach((function(i){switch(i){case 0:c.ctx.fillStyle=Kv(t.color),c.renderTextWithLetterSpacing(e,t.letterSpacing,a);var r=t.textShadow;r.length&&e.text.trim().length&&(r.slice(0).reverse().forEach((function(i){c.ctx.shadowColor=Kv(i.color),c.ctx.shadowOffsetX=i.offsetX.number*c.options.scale,c.ctx.shadowOffsetY=i.offsetY.number*c.options.scale,c.ctx.shadowBlur=i.blur.number,c.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),c.ctx.shadowColor="",c.ctx.shadowOffsetX=0,c.ctx.shadowOffsetY=0,c.ctx.shadowBlur=0),t.textDecorationLine.length&&(c.ctx.fillStyle=Kv(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:c.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:c.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:c.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(c.ctx.strokeStyle=Kv(t.webkitTextStrokeColor),c.ctx.lineWidth=t.webkitTextStrokeWidth,c.ctx.lineJoin=window.chrome?"miter":"round",c.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),c.ctx.strokeStyle="",c.ctx.lineWidth=0,c.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var r=vb(e),s=tb(t);this.path(s),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,r.left,r.top,r.width,r.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return Hp(this,void 0,void 0,(function(){var i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_;return jp(this,(function(y){switch(y.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,r=e.curves,s=i.styles,n=0,o=i.textNodes,y.label=1;case 1:return n<o.length?(a=o[n],[4,this.renderTextNode(a,s)]):[3,4];case 2:y.sent(),y.label=3;case 3:return n++,[3,1];case 4:if(!(i instanceof k_))return[3,8];y.label=5;case 5:return y.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return v=y.sent(),this.renderReplacedElement(i,r,v),[3,8];case 7:return y.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof I_&&this.renderReplacedElement(i,r,i.canvas),!(i instanceof D_))return[3,12];y.label=9;case 9:return y.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return v=y.sent(),this.renderReplacedElement(i,r,v),[3,12];case 11:return y.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof V_&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=y.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),y.label=14;case 14:if(i instanceof O_&&(u=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new Xy(i.bounds.left+.39363*u,i.bounds.top+.79*u),new Xy(i.bounds.left+.16*u,i.bounds.top+.5549*u),new Xy(i.bounds.left+.27347*u,i.bounds.top+.44071*u),new Xy(i.bounds.left+.39694*u,i.bounds.top+.5649*u),new Xy(i.bounds.left+.72983*u,i.bounds.top+.23*u),new Xy(i.bounds.left+.84*u,i.bounds.top+.34085*u),new Xy(i.bounds.left+.39363*u,i.bounds.top+.79*u)]),this.ctx.fillStyle=Kv(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+u/2,i.bounds.top+u/2,u/4,0,2*Math.PI,!0),this.ctx.fillStyle=Kv(707406591),this.ctx.fill(),this.ctx.restore())),Cb(i)&&i.value.length){switch(c=this.createFontStyle(s),m=c[0],A=c[1],h=this.fontMetrics.getMetrics(m,A).baseline,this.ctx.font=m,this.ctx.fillStyle=Kv(s.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=Eb(i.styles.textAlign),_=vb(i),d=0,i.styles.textAlign){case 1:d+=_.width/2;break;case 2:d+=_.width}p=_.add(d,0,0,-_.height/2+1),this.ctx.save(),this.path([new Xy(_.left,_.top),new Xy(_.left+_.width,_.top),new Xy(_.left+_.width,_.top+_.height),new Xy(_.left,_.top+_.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new __(i.value,p),s.letterSpacing,h),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!Tm(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];v=void 0,g=f.url,y.label=15;case 15:return y.trys.push([15,17,,18]),[4,this.context.cache.match(g)];case 16:return v=y.sent(),this.ctx.drawImage(v,i.bounds.left-(v.width+10),i.bounds.top),[3,18];case 17:return y.sent(),this.context.logger.error("Error loading list-style-image "+g),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(m=this.createFontStyle(s)[0],this.ctx.font=m,this.ctx.fillStyle=Kv(s.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",_=new zp(i.bounds.left,i.bounds.top+Qv(i.styles.paddingTop,i.bounds.width),i.bounds.width,Zg(s.lineHeight,s.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new __(e.listValue,_),s.letterSpacing,Zg(s.lineHeight,s.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),y.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return Hp(this,void 0,void 0,(function(){var t,i,r,s,n,o,a,l,u,c,A,h,d,p,f;return jp(this,(function(v){switch(v.label){case 0:return Tm(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:v.sent(),t=0,i=e.negativeZIndex,v.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:v.sent(),v.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:v.sent(),r=0,s=e.nonInlineLevel,v.label=7;case 7:return r<s.length?(f=s[r],[4,this.renderNode(f)]):[3,10];case 8:v.sent(),v.label=9;case 9:return r++,[3,7];case 10:n=0,o=e.nonPositionedFloats,v.label=11;case 11:return n<o.length?(f=o[n],[4,this.renderStack(f)]):[3,14];case 12:v.sent(),v.label=13;case 13:return n++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,v.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:v.sent(),v.label=17;case 17:return a++,[3,15];case 18:u=0,c=e.inlineLevel,v.label=19;case 19:return u<c.length?(f=c[u],[4,this.renderNode(f)]):[3,22];case 20:v.sent(),v.label=21;case 21:return u++,[3,19];case 22:A=0,h=e.zeroOrAutoZIndexOrTransformedOrOpacity,v.label=23;case 23:return A<h.length?(f=h[A],[4,this.renderStack(f)]):[3,26];case 24:v.sent(),v.label=25;case 25:return A++,[3,23];case 26:d=0,p=e.positiveZIndex,v.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:v.sent(),v.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var r=Zy(e)?e.start:e;0===i?t.ctx.moveTo(r.x,r.y):t.ctx.lineTo(r.x,r.y),Zy(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,r){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,r),this.ctx.fill(),this.ctx.translate(-i,-r)},t.prototype.resizeImage=function(e,t,i){var r;if(e.width===t&&e.height===i)return e;var s=(null!==(r=this.canvas.ownerDocument)&&void 0!==r?r:document).createElement("canvas");return s.width=Math.max(1,t),s.height=Math.max(1,i),s.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),s},t.prototype.renderBackgroundImage=function(e){return Hp(this,void 0,void 0,(function(){var t,i,r,s,n,o;return jp(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,x,w,B,P,C,M,E,F,k,I,D,S,T;return jp(this,(function(L){switch(L.label){case 0:if(0!==i.type)return[3,5];s=void 0,n=i.url,L.label=1;case 1:return L.trys.push([1,3,,4]),[4,r.context.cache.match(n)];case 2:return s=L.sent(),[3,4];case 3:return L.sent(),r.context.logger.error("Error loading background-image "+n),[3,4];case 4:return s&&(o=gb(e,t,[s.width,s.height,s.width/s.height]),_=o[0],P=o[1],C=o[2],x=o[3],w=o[4],g=r.ctx.createPattern(r.resizeImage(s,x,w),"repeat"),r.renderRepeat(_,g,P,C)),[3,6];case 5:1===i.type?(a=gb(e,t,[null,null,null]),_=a[0],P=a[1],C=a[2],x=a[3],w=a[4],l=og(i.angle,x,w),u=l[0],c=l[1],A=l[2],h=l[3],d=l[4],(p=document.createElement("canvas")).width=x,p.height=w,f=p.getContext("2d"),v=f.createLinearGradient(c,h,A,d),ng(i.stops,u).forEach((function(e){return v.addColorStop(e.stop,Kv(e.color))})),f.fillStyle=v,f.fillRect(0,0,x,w),x>0&&w>0&&(g=r.ctx.createPattern(p,"repeat"),r.renderRepeat(_,g,P,C))):function(e){return 2===e.type}(i)&&(m=gb(e,t,[null,null,null]),_=m[0],y=m[1],b=m[2],x=m[3],w=m[4],B=0===i.position.length?[Uv]:i.position,P=Qv(B[0],x),C=Qv(B[B.length-1],w),M=function(e,t,i,r,s){var n=0,o=0;switch(e.size){case 0:0===e.shape?n=o=Math.min(Math.abs(t),Math.abs(t-r),Math.abs(i),Math.abs(i-s)):1===e.shape&&(n=Math.min(Math.abs(t),Math.abs(t-r)),o=Math.min(Math.abs(i),Math.abs(i-s)));break;case 2:if(0===e.shape)n=o=Math.min(ag(t,i),ag(t,i-s),ag(t-r,i),ag(t-r,i-s));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-s))/Math.min(Math.abs(t),Math.abs(t-r)),l=lg(r,s,t,i,!0),u=l[0],c=l[1];o=a*(n=ag(u-t,(c-i)/a))}break;case 1:0===e.shape?n=o=Math.max(Math.abs(t),Math.abs(t-r),Math.abs(i),Math.abs(i-s)):1===e.shape&&(n=Math.max(Math.abs(t),Math.abs(t-r)),o=Math.max(Math.abs(i),Math.abs(i-s)));break;case 3:if(0===e.shape)n=o=Math.max(ag(t,i),ag(t,i-s),ag(t-r,i),ag(t-r,i-s));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-s))/Math.max(Math.abs(t),Math.abs(t-r));var A=lg(r,s,t,i,!1);u=A[0],c=A[1],o=a*(n=ag(u-t,(c-i)/a))}}return Array.isArray(e.size)&&(n=Qv(e.size[0],r),o=2===e.size.length?Qv(e.size[1],s):n),[n,o]}(i,P,C,x,w),E=M[0],F=M[1],E>0&&F>0&&(k=r.ctx.createRadialGradient(y+P,b+C,0,y+P,b+C,E),ng(i.stops,2*E).forEach((function(e){return k.addColorStop(e.stop,Kv(e.color))})),r.path(_),r.ctx.fillStyle=k,E!==F?(I=e.bounds.left+.5*e.bounds.width,D=e.bounds.top+.5*e.bounds.height,T=1/(S=F/E),r.ctx.save(),r.ctx.translate(I,D),r.ctx.transform(1,0,0,S,0,0),r.ctx.translate(-I,-D),r.ctx.fillRect(y,T*(b-D)+D,x,w*T),r.ctx.restore()):r.ctx.fill())),L.label=6;case 6:return t--,[2]}}))},r=this,s=0,n=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return s<n.length?(o=n[s],[5,i(o)]):[3,4];case 2:a.sent(),a.label=3;case 3:return s++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return Hp(this,void 0,void 0,(function(){return jp(this,(function(r){return this.path(hb(i,t)),this.ctx.fillStyle=Kv(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,r){return Hp(this,void 0,void 0,(function(){var s,n;return jp(this,(function(o){switch(o.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,r)]:[3,2];case 1:return o.sent(),[2];case 2:return s=function(e,t){switch(t){case 0:return pb(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return pb(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return pb(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return pb(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(r,i),this.path(s),this.ctx.fillStyle=Kv(e),this.ctx.fill(),n=function(e,t){switch(t){case 0:return pb(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return pb(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return pb(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return pb(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(r,i),this.path(n),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return Hp(this,void 0,void 0,(function(){var t,i,r,s,n,o,a,l,u=this;return jp(this,(function(c){switch(c.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!Wv(t.backgroundColor)||t.backgroundImage.length,r=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],s=Mb(bb(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(s),this.ctx.clip(),Wv(t.backgroundColor)||(this.ctx.fillStyle=Kv(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:c.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){u.ctx.save();var i,r,s,n,o,a=eb(e.curves),l=t.inset?0:1e4,c=(i=a,r=-l+(t.inset?1:-1)*t.spread.number,s=(t.inset?1:-1)*t.spread.number,n=t.spread.number*(t.inset?-2:2),o=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(r,s);case 1:return e.add(r+n,s);case 2:return e.add(r+n,s+o);case 3:return e.add(r,s+o)}return e})));t.inset?(u.path(a),u.ctx.clip(),u.mask(c)):(u.mask(a),u.ctx.clip(),u.path(c)),u.ctx.shadowOffsetX=t.offsetX.number+l,u.ctx.shadowOffsetY=t.offsetY.number,u.ctx.shadowColor=Kv(t.color),u.ctx.shadowBlur=t.blur.number,u.ctx.fillStyle=t.inset?Kv(t.color):"rgba(0,0,0,1)",u.ctx.fill(),u.ctx.restore()})),c.label=2;case 2:n=0,o=0,a=r,c.label=3;case 3:return o<a.length?0!==(l=a[o]).style&&!Wv(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,n,e.curves,2)]:[3,11]:[3,13];case 4:return c.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,n,e.curves,3)];case 6:return c.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,n,e.curves)];case 8:return c.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,n,e.curves)];case 10:c.sent(),c.label=11;case 11:n++,c.label=12;case 12:return o++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,r,s){return Hp(this,void 0,void 0,(function(){var n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y;return jp(this,(function(b){return this.ctx.save(),n=function(e,t){switch(t){case 0:return db(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return db(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return db(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return db(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(r,i),o=hb(r,i),2===s&&(this.path(o),this.ctx.clip()),Zy(o[0])?(a=o[0].start.x,l=o[0].start.y):(a=o[0].x,l=o[0].y),Zy(o[1])?(u=o[1].end.x,c=o[1].end.y):(u=o[1].x,c=o[1].y),A=0===i||2===i?Math.abs(a-u):Math.abs(l-c),this.ctx.beginPath(),3===s?this.formatPath(n):this.formatPath(o.slice(0,2)),h=t<3?3*t:2*t,d=t<3?2*t:t,3===s&&(h=t,d=t),p=!0,A<=2*h?p=!1:A<=2*h+d?(h*=f=A/(2*h+d),d*=f):(v=Math.floor((A+d)/(h+d)),g=(A-v*h)/(v-1),d=(m=(A-(v+1)*h)/v)<=0||Math.abs(d-g)<Math.abs(d-m)?g:m),p&&(3===s?this.ctx.setLineDash([0,h+d]):this.ctx.setLineDash([h,d])),3===s?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=Kv(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===s&&(Zy(o[0])&&(_=o[3],y=o[0],this.ctx.beginPath(),this.formatPath([new Xy(_.end.x,_.end.y),new Xy(y.start.x,y.start.y)]),this.ctx.stroke()),Zy(o[1])&&(_=o[1],y=o[2],this.ctx.beginPath(),this.formatPath([new Xy(_.end.x,_.end.y),new Xy(y.start.x,y.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return Hp(this,void 0,void 0,(function(){var t;return jp(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=Kv(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),t=Ab(e),[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}}))}))},t}(Bb),Cb=function(e){return e instanceof Q_||(e instanceof N_||e instanceof O_&&"radio"!==e.type&&"checkbox"!==e.type)},Mb=function(e,t){switch(e){case 0:return eb(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return tb(t)}},Eb=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},Fb=["-apple-system","system-ui"],kb=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===Fb.indexOf(e)})):e},Ib=function(e){function t(t,i){var r=e.call(this,t,i)||this;return r.canvas=i.canvas?i.canvas:document.createElement("canvas"),r.ctx=r.canvas.getContext("2d"),r.options=i,r.canvas.width=Math.floor(i.width*i.scale),r.canvas.height=Math.floor(i.height*i.scale),r.canvas.style.width=i.width+"px",r.canvas.style.height=i.height+"px",r.ctx.scale(r.options.scale,r.options.scale),r.ctx.translate(-i.x,-i.y),r.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),r}return Qp(t,e),t.prototype.render=function(e){return Hp(this,void 0,void 0,(function(){var t,i;return jp(this,(function(r){switch(r.label){case 0:return t=v_(this.options.width*this.options.scale,this.options.height*this.options.scale,this.options.scale,this.options.scale,e),[4,Db(t)];case 1:return 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r=Math.max(Math.max(t.scrollWidth,i.scrollWidth),Math.max(t.offsetWidth,i.offsetWidth),Math.max(t.clientWidth,i.clientWidth)),s=Math.max(Math.max(t.scrollHeight,i.scrollHeight),Math.max(t.offsetHeight,i.offsetHeight),Math.max(t.clientHeight,i.clientHeight));return new zp(0,0,r,s)}(h.ownerDocument):Wp(l,h),f=p.width,v=p.height,g=p.left,m=p.top,_=Ub(l,h,t.backgroundColor),y={canvas:t.canvas,backgroundColor:_,scale:null!==(L=null!==(T=t.scale)&&void 0!==T?T:r.devicePixelRatio)&&void 0!==L?L:1,x:(null!==(R=t.x)&&void 0!==R?R:0)+g,y:(null!==(U=t.y)&&void 0!==U?U:0)+m,width:null!==(O=t.width)&&void 0!==O?O:Math.ceil(f),height:null!==(N=t.height)&&void 0!==N?N:Math.ceil(v)},u?(l.logger.debug("Document cloned, using foreign object rendering"),[4,new Ib(l,y).render(h)]):[3,3];case 2:return b=V.sent(),[3,5];case 3:return l.logger.debug("Document cloned, element located at "+g+","+m+" with size "+f+"x"+v+" using computed rendering"),l.logger.debug("Starting DOM 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Up(this,this.scene),this.id=t.id||this.scene.id,this.camera=this.scene.camera,this.cameraFlight=new Pd(this.scene,{duration:.5}),this.cameraControl=new Dp(this.scene,{doublePickFlyTo:!0}),this._plugins=[],this._eventSubs={}}var t;return C(e,[{key:"capabilities",get:function(){return this.scene.capabilities}},{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"log",value:function(e){console.log("[xeokit viewer ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit viewer ".concat(this.id,"]: ").concat(e))}},{key:"addPlugin",value:function(e){this._plugins.push(e)}},{key:"removePlugin",value:function(e){for(var t=0,i=this._plugins.length;t<i;t++){var r=this._plugins[t];if(r===e)return r.clear&&r.clear(),void 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CP(){return(CP=o(s().mark((function e(t,i){var r,n,o,a,l,u;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if("auto"!==i.basis.containerFormat){e.next=11;break}if(!BP(t)){e.next=6;break}return e.next=4,$B(i);case 4:return r=e.sent,e.abrupt("return",FP(r.KTX2File,t,i));case 6:return e.next=8,XB(i);case 8:return n=e.sent,o=n.BasisFile,e.abrupt("return",MP(o,t,i));case 11:e.t0=i.basis.module,e.next="encoder"===e.t0?14:(e.t0,22);break;case 14:return e.next=16,$B(i);case 16:a=e.sent,e.t1=i.basis.containerFormat,e.next="ktx2"===e.t1?20:(e.t1,21);break;case 20:return e.abrupt("return",FP(a.KTX2File,t,i));case 21:return e.abrupt("return",MP(a.BasisFile,t,i));case 22:return e.next=24,XB(i);case 24:return l=e.sent,u=l.BasisFile,e.abrupt("return",MP(u,t,i));case 27:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function MP(e,t,i){var r=new e(new Uint8Array(t));try{if(!r.startTranscoding())throw new Error("Failed to start basis transcoding");for(var s=r.getNumImages(),n=[],o=0;o<s;o++){for(var a=r.getNumLevels(o),l=[],u=0;u<a;u++)l.push(EP(r,o,u,i));n.push(l)}return n}finally{r.close(),r.delete()}}function EP(e,t,i,r){var s=e.getImageWidth(t,i),n=e.getImageHeight(t,i),o=e.getHasAlpha(),a=IP(r,o),l=a.compressed,u=a.format,c=a.basisFormat,A=e.getImageTranscodedSizeInBytes(t,i,c),h=new Uint8Array(A);if(!e.transcodeImage(h,t,i,c,0,0))throw new Error("failed to start Basis transcoding");return{width:s,height:n,data:h,compressed:l,format:u,hasAlpha:o}}function FP(e,t,i){var r=new e(new Uint8Array(t));try{if(!r.startTranscoding())throw new Error("failed to start KTX2 transcoding");for(var s=r.getLevels(),n=[],o=0;o<s;o++){n.push(kP(r,o,i));break}return[n]}finally{r.close(),r.delete()}}function kP(e,t,i){var r=e.getImageLevelInfo(t,0,0),s=r.alphaFlag,n=r.height,o=r.width,a=IP(i,s),l=a.compressed,u=a.format,c=a.basisFormat,A=e.getImageTranscodedSizeInBytes(t,0,0,c),h=new Uint8Array(A);if(!e.transcodeImage(h,t,0,0,c,0,-1,-1))throw new Error("Failed to transcode KTX2 image");return{width:o,height:n,data:h,compressed:l,hasAlpha:s,format:u}}function IP(e,t){var i=e&&e.basis&&e.basis.format;return"auto"===i&&(i=DP()),"object"===w(i)&&(i=t?i.alpha:i.noAlpha),i=i.toLowerCase(),PP[i]}function DP(){var e=xP();return e.has("astc")?"astc-4x4":e.has("dxt")?{alpha:"bc3",noAlpha:"bc1"}:e.has("pvrtc")?{alpha:"pvrtc1-4-rgba",noAlpha:"pvrtc1-4-rgb"}:e.has("etc1")?"etc1":e.has("etc2")?"etc2":"rgb565"}var SP=l(l({},{name:"Basis",id:"basis",module:"textures",version:"3.2.6",worker:!0,extensions:["basis","ktx2"],mimeTypes:["application/octet-stream","image/ktx2"],tests:["sB"],binary:!0,options:{basis:{format:"auto",libraryPath:"libs/",containerFormat:"auto",module:"transcoder"}}}),{},{parse:function(e,t){return CP.apply(this,arguments)}}),TP=globalThis._parseImageNode,LP="undefined"!=typeof Image,RP="undefined"!=typeof ImageBitmap,UP=Boolean(TP),OP=!!Qb||UP;function NP(e){var t=function(e){if("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap)return"imagebitmap";if("undefined"!=typeof Image&&e instanceof Image)return"image";if(e&&"object"===w(e)&&e.data&&e.width&&e.height)return"data";return null}(e);if(!t)throw new Error("Not an image");return t}function QP(e){switch(NP(e)){case"data":return e;case"image":case"imagebitmap":var t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}var VP=/^data:image\/svg\+xml/,HP=/\.svg((\?|#).*)?$/;function jP(e){return e&&(VP.test(e)||HP.test(e))}function GP(e,t){if(jP(t)){var i=(new TextDecoder).decode(e);try{"function"==typeof unescape&&"function"==typeof encodeURIComponent&&(i=unescape(encodeURIComponent(i)))}catch(e){throw new Error(e.message)}return"data:image/svg+xml;base64,".concat(btoa(i))}return zP(e,t)}function zP(e,t){if(jP(t))throw new Error("SVG cannot be parsed directly to imagebitmap");return new Blob([new Uint8Array(e)])}function WP(e,t,i){return KP.apply(this,arguments)}function KP(){return(KP=o(s().mark((function e(t,i,r){var n,o,a;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return n=GP(t,r),o=self.URL||self.webkitURL,a="string"!=typeof n&&o.createObjectURL(n),e.prev=3,e.next=6,XP(a||n,i);case 6:return e.abrupt("return",e.sent);case 7:return e.prev=7,a&&o.revokeObjectURL(a),e.finish(7);case 10:case"end":return e.stop()}}),e,null,[[3,,7,10]])})))).apply(this,arguments)}function XP(e,t){return JP.apply(this,arguments)}function JP(){return JP=o(s().mark((function e(t,i){var r;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if((r=new Image).src=t,!(i.image&&i.image.decode&&r.decode)){e.next=6;break}return e.next=5,r.decode();case 5:return e.abrupt("return",r);case 6:return e.next=8,new Promise((function(e,i){try{r.onload=function(){return e(r)},r.onerror=function(e){return i(new Error("Could not load image ".concat(t,": ").concat(e)))}}catch(e){i(e)}}));case 8:return e.abrupt("return",e.sent);case 9:case"end":return e.stop()}}),e)}))),JP.apply(this,arguments)}var YP={},ZP=!0;function qP(e,t,i){return $P.apply(this,arguments)}function $P(){return($P=o(s().mark((function e(t,i,r){var n,o,a;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(!jP(r)){e.next=7;break}return e.next=3,WP(t,i,r);case 3:o=e.sent,n=o,e.next=8;break;case 7:n=zP(t,r);case 8:return a=i&&i.imagebitmap,e.next=11,eC(n,a);case 11:return e.abrupt("return",e.sent);case 12:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function eC(e){return tC.apply(this,arguments)}function tC(){return tC=o(s().mark((function e(t){var i,r=arguments;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(!iC(i=r.length>1&&void 0!==r[1]?r[1]:null)&&ZP||(i=null),!i){e.next=13;break}return e.prev=3,e.next=6,createImageBitmap(t,i);case 6:return e.abrupt("return",e.sent);case 9:e.prev=9,e.t0=e.catch(3),console.warn(e.t0),ZP=!1;case 13:return e.next=15,createImageBitmap(t);case 15:return e.abrupt("return",e.sent);case 16:case"end":return e.stop()}}),e,null,[[3,9]])}))),tC.apply(this,arguments)}function iC(e){for(var t in e||YP)return!1;return!0}function rC(e){var t=sC(e);return function(e){var t=sC(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){var t=sC(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;var i=function(){for(var e=new Set([65499,65476,65484,65501,65534]),t=65504;t<65520;++t)e.add(t);var i=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:i}}(),r=i.tableMarkers,s=i.sofMarkers,n=2;for(;n+9<t.byteLength;){var o=t.getUint16(n,false);if(s.has(o))return{mimeType:"image/jpeg",height:t.getUint16(n+5,false),width:t.getUint16(n+7,false)};if(!r.has(o))return null;n+=2,n+=t.getUint16(n,false)}return null}(t)||function(e){var t=sC(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){var t=sC(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function sC(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}function nC(e,t){return oC.apply(this,arguments)}function oC(){return oC=o(s().mark((function e(t,i){var r,n,o;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return r=rC(t)||{},n=r.mimeType,Nb(o=globalThis._parseImageNode),e.next=5,o(t,n);case 5:return e.abrupt("return",e.sent);case 6:case"end":return e.stop()}}),e)}))),oC.apply(this,arguments)}function aC(){return(aC=o(s().mark((function e(t,i,r){var n,o,a,l,u;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:n=(i=i||{}).image||{},o=n.type||"auto",a=(r||{}).url,l=lC(o),e.t0=l,e.next="imagebitmap"===e.t0?8:"image"===e.t0?12:"data"===e.t0?16:20;break;case 8:return e.next=10,qP(t,i,a);case 10:return u=e.sent,e.abrupt("break",21);case 12:return e.next=14,WP(t,i,a);case 14:return u=e.sent,e.abrupt("break",21);case 16:return e.next=18,nC(t);case 18:return u=e.sent,e.abrupt("break",21);case 20:Nb(!1);case 21:return"data"===o&&(u=QP(u)),e.abrupt("return",u);case 23:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function lC(e){switch(e){case"auto":case"data":return function(){if(RP)return"imagebitmap";if(LP)return"image";if(OP)return"data";throw new Error("Install '@loaders.gl/polyfills' to parse images under Node.js")}();default:return function(e){switch(e){case"auto":return RP||LP||OP;case"imagebitmap":return RP;case"image":return LP;case"data":return OP;default:throw new Error("@loaders.gl/images: image ".concat(e," not supported in this environment"))}}(e),e}}var uC={id:"image",module:"images",name:"Images",version:"3.2.6",mimeTypes:["image/png","image/jpeg","image/gif","image/webp","image/bmp","image/vnd.microsoft.icon","image/svg+xml"],extensions:["png","jpg","jpeg","gif","webp","bmp","ico","svg"],parse:function(e,t,i){return aC.apply(this,arguments)},tests:[function(e){return Boolean(rC(new DataView(e)))}],options:{image:{type:"auto",decode:!0}}},cC=["image/png","image/jpeg","image/gif"],AC={};function hC(e){return void 0===AC[e]&&(AC[e]=function(e){switch(e){case"image/webp":return function(){if(!Qb)return!1;try{return 0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch(e){return!1}}();case"image/svg":return Qb;default:if(!Qb){var t=globalThis._parseImageNode;return Boolean(t)&&cC.includes(e)}return!0}}(e)),AC[e]}function dC(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function pC(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;var i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}function fC(e,t,i){var r=e.bufferViews[i];dC(r);var s=t[r.buffer];dC(s);var n=(r.byteOffset||0)+s.byteOffset;return new Uint8Array(s.arrayBuffer,n,r.byteLength)}var vC=["SCALAR","VEC2","VEC3","VEC4"],gC=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],mC=new Map(gC),_C={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},yC={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},bC={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function xC(e){return vC[e-1]||vC[0]}function wC(e){var t=mC.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function BC(e,t){var i=bC[e.componentType],r=_C[e.type],s=yC[e.componentType],n=e.count*r,o=e.count*r*s;return dC(o>=0&&o<=t.byteLength),{ArrayType:i,length:n,byteLength:o}}var PC,CC={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]},MC=function(){function e(t){B(this,e),Jb(this,"gltf",void 0),Jb(this,"sourceBuffers",void 0),Jb(this,"byteLength",void 0),this.gltf=t||{json:l({},CC),buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}return C(e,[{key:"json",get:function(){return this.gltf.json}},{key:"getApplicationData",value:function(e){return this.json[e]}},{key:"getExtraData",value:function(e){return(this.json.extras||{})[e]}},{key:"getExtension",value:function(e){var t=this.getUsedExtensions().find((function(t){return t===e})),i=this.json.extensions||{};return t?i[e]||!0:null}},{key:"getRequiredExtension",value:function(e){var t=this.getRequiredExtensions().find((function(t){return t===e}));return t?this.getExtension(e):null}},{key:"getRequiredExtensions",value:function(){return this.json.extensionsRequired||[]}},{key:"getUsedExtensions",value:function(){return this.json.extensionsUsed||[]}},{key:"getObjectExtension",value:function(e,t){return(e.extensions||{})[t]}},{key:"getScene",value:function(e){return this.getObject("scenes",e)}},{key:"getNode",value:function(e){return this.getObject("nodes",e)}},{key:"getSkin",value:function(e){return this.getObject("skins",e)}},{key:"getMesh",value:function(e){return this.getObject("meshes",e)}},{key:"getMaterial",value:function(e){return this.getObject("materials",e)}},{key:"getAccessor",value:function(e){return this.getObject("accessors",e)}},{key:"getTexture",value:function(e){return this.getObject("textures",e)}},{key:"getSampler",value:function(e){return this.getObject("samplers",e)}},{key:"getImage",value:function(e){return this.getObject("images",e)}},{key:"getBufferView",value:function(e){return this.getObject("bufferViews",e)}},{key:"getBuffer",value:function(e){return this.getObject("buffers",e)}},{key:"getObject",value:function(e,t){if("object"===w(t))return t;var i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}},{key:"getTypedArrayForBufferView",value:function(e){var t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];dC(i);var r=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,r,e.byteLength)}},{key:"getTypedArrayForAccessor",value:function(e){e=this.getAccessor(e);var t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,r=BC(e,t),s=r.ArrayType,n=r.length;return new s(i,t.byteOffset+e.byteOffset,n)}},{key:"getTypedArrayForImageData",value:function(e){e=this.getAccessor(e);var t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,r=t.byteOffset||0;return new Uint8Array(i,r,t.byteLength)}},{key:"addApplicationData",value:function(e,t){return this.json[e]=t,this}},{key:"addExtraData",value:function(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}},{key:"addObjectExtension",value:function(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}},{key:"setObjectExtension",value:function(e,t,i){(e.extensions||{})[t]=i}},{key:"removeObjectExtension",value:function(e,t){var i=e.extensions||{},r=i[t];return delete i[t],r}},{key:"addExtension",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return dC(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}},{key:"addRequiredExtension",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return dC(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}},{key:"registerUsedExtension",value:function(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((function(t){return t===e}))||this.json.extensionsUsed.push(e)}},{key:"registerRequiredExtension",value:function(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((function(t){return t===e}))||this.json.extensionsRequired.push(e)}},{key:"removeExtension",value:function(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}},{key:"setDefaultScene",value:function(e){this.json.scene=e}},{key:"addScene",value:function(e){var t=e.nodeIndices;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}},{key:"addNode",value:function(e){var t=e.meshIndex,i=e.matrix;this.json.nodes=this.json.nodes||[];var r={mesh:t};return i&&(r.matrix=i),this.json.nodes.push(r),this.json.nodes.length-1}},{key:"addMesh",value:function(e){var t=e.attributes,i=e.indices,r=e.material,s=e.mode,n=void 0===s?4:s,o={primitives:[{attributes:this._addAttributes(t),mode:n}]};if(i){var a=this._addIndices(i);o.primitives[0].indices=a}return Number.isFinite(r)&&(o.primitives[0].material=r),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}},{key:"addPointCloud",value:function(e){var t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}},{key:"addImage",value:function(e,t){var i=rC(e),r=t||(null==i?void 0:i.mimeType),s={bufferView:this.addBufferView(e),mimeType:r};return this.json.images=this.json.images||[],this.json.images.push(s),this.json.images.length-1}},{key:"addBufferView",value:function(e){var t=e.byteLength;dC(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);var i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=Fx(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}},{key:"addAccessor",value:function(e,t){var i={bufferView:e,type:xC(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}},{key:"addBinaryBuffer",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{size:3},i=this.addBufferView(e),r={min:t.min,max:t.max};r.min&&r.max||(r=this._getAccessorMinMax(e,t.size));var s={size:t.size,componentType:wC(e),count:Math.round(e.length/t.size),min:r.min,max:r.max};return this.addAccessor(i,Object.assign(s,t))}},{key:"addTexture",value:function(e){var t={source:e.imageIndex};return this.json.textures=this.json.textures||[],this.json.textures.push(t),this.json.textures.length-1}},{key:"addMaterial",value:function(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}},{key:"createBinaryChunk",value:function(){var e,t;this.gltf.buffers=[];var i,r=this.byteLength,s=new ArrayBuffer(r),n=new Uint8Array(s),o=0,a=c(this.sourceBuffers||[]);try{for(a.s();!(i=a.n()).done;){o=kx(i.value,n,o)}}catch(e){a.e(e)}finally{a.f()}null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=r:this.json.buffers=[{byteLength:r}],this.gltf.binary=s,this.sourceBuffers=[s]}},{key:"_removeStringFromArray",value:function(e,t){for(var i=!0;i;){var r=e.indexOf(t);r>-1?e.splice(r,1):i=!1}}},{key:"_addAttributes",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t={};for(var i in e){var r=e[i],s=this._getGltfAttributeName(i),n=this.addBinaryBuffer(r.value,r);t[s]=n}return t}},{key:"_addIndices",value:function(e){return this.addBinaryBuffer(e,{size:1})}},{key:"_getGltfAttributeName",value:function(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}},{key:"_getAccessorMinMax",value:function(e,t){var i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];var r,s=c(e.subarray(0,t));try{for(s.s();!(r=s.n()).done;){var n=r.value;i.min.push(n),i.max.push(n)}}catch(e){s.e(e)}finally{s.f()}for(var o=t;o<e.length;o+=t)for(var a=0;a<t;a++)i.min[0+a]=Math.min(i.min[0+a],e[o+a]),i.max[0+a]=Math.max(i.max[0+a],e[o+a]);return i}}]),e}(),EC="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",FC="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t,i={},r=c(e);try{for(r.s();!(t=r.n()).done;){var s=t.value;i[s.name]&&console.warn("Schema: duplicated field name",s.name,s),i[s.name]=!0}}catch(e){r.e(e)}finally{r.f()}}(t),this.fields=t,this.metadata=i||new Map}return C(e,[{key:"compareTo",value:function(e){if(this.metadata!==e.metadata)return!1;if(this.fields.length!==e.fields.length)return!1;for(var t=0;t<this.fields.length;++t)if(!this.fields[t].compareTo(e.fields[t]))return!1;return!0}},{key:"select",value:function(){for(var t=Object.create(null),i=arguments.length,r=new Array(i),s=0;s<i;s++)r[s]=arguments[s];for(var n=0,o=r;n<o.length;n++){var a=o[n];t[a]=!0}var l=this.fields.filter((function(e){return t[e.name]}));return new e(l,this.metadata)}},{key:"selectAt",value:function(){for(var t=this,i=arguments.length,r=new Array(i),s=0;s<i;s++)r[s]=arguments[s];var n=r.map((function(e){return t.fields[e]})).filter(Boolean);return new e(n,this.metadata)}},{key:"assign",value:function(t){var i,r=this.metadata;if(t instanceof e){var s=t;i=s.fields,r=ZC(ZC(new Map,this.metadata),s.metadata)}else i=t;var n,o=Object.create(null),a=c(this.fields);try{for(a.s();!(n=a.n()).done;){var l=n.value;o[l.name]=l}}catch(e){a.e(e)}finally{a.f()}var u,A=c(i);try{for(A.s();!(u=A.n()).done;){var h=u.value;o[h.name]=h}}catch(e){A.e(e)}finally{A.f()}return new e(Object.values(o),r)}}]),e}();function ZC(e,t){return new Map([].concat(h(e||new Map),h(t||new Map)))}var qC,$C=function(){function e(t,i){var r=arguments.length>2&&void 0!==arguments[2]&&arguments[2],s=arguments.length>3&&void 0!==arguments[3]?arguments[3]:new Map;B(this,e),Jb(this,"name",void 0),Jb(this,"type",void 0),Jb(this,"nullable",void 0),Jb(this,"metadata",void 0),this.name=t,this.type=i,this.nullable=r,this.metadata=s}return C(e,[{key:"typeId",get:function(){return this.type&&this.type.typeId}},{key:"clone",value:function(){return new e(this.name,this.type,this.nullable,this.metadata)}},{key:"compareTo",value:function(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}},{key:"toString",value:function(){return"".concat(this.type).concat(this.nullable?", nullable":"").concat(this.metadata?", metadata: ".concat(this.metadata):"")}}]),e}();!function(e){e[e.NONE=0]="NONE",e[e.Null=1]="Null",e[e.Int=2]="Int",e[e.Float=3]="Float",e[e.Binary=4]="Binary",e[e.Utf8=5]="Utf8",e[e.Bool=6]="Bool",e[e.Decimal=7]="Decimal",e[e.Date=8]="Date",e[e.Time=9]="Time",e[e.Timestamp=10]="Timestamp",e[e.Interval=11]="Interval",e[e.List=12]="List",e[e.Struct=13]="Struct",e[e.Union=14]="Union",e[e.FixedSizeBinary=15]="FixedSizeBinary",e[e.FixedSizeList=16]="FixedSizeList",e[e.Map=17]="Map",e[e.Dictionary=-1]="Dictionary",e[e.Int8=-2]="Int8",e[e.Int16=-3]="Int16",e[e.Int32=-4]="Int32",e[e.Int64=-5]="Int64",e[e.Uint8=-6]="Uint8",e[e.Uint16=-7]="Uint16",e[e.Uint32=-8]="Uint32",e[e.Uint64=-9]="Uint64",e[e.Float16=-10]="Float16",e[e.Float32=-11]="Float32",e[e.Float64=-12]="Float64",e[e.DateDay=-13]="DateDay",e[e.DateMillisecond=-14]="DateMillisecond",e[e.TimestampSecond=-15]="TimestampSecond",e[e.TimestampMillisecond=-16]="TimestampMillisecond",e[e.TimestampMicrosecond=-17]="TimestampMicrosecond",e[e.TimestampNanosecond=-18]="TimestampNanosecond",e[e.TimeSecond=-19]="TimeSecond",e[e.TimeMillisecond=-20]="TimeMillisecond",e[e.TimeMicrosecond=-21]="TimeMicrosecond",e[e.TimeNanosecond=-22]="TimeNanosecond",e[e.DenseUnion=-23]="DenseUnion",e[e.SparseUnion=-24]="SparseUnion",e[e.IntervalDayTime=-25]="IntervalDayTime",e[e.IntervalYearMonth=-26]="IntervalYearMonth"}(qC||(qC={}));var eM=function(){function e(){B(this,e)}return C(e,[{key:"typeId",get:function(){return qC.NONE}},{key:"compareTo",value:function(e){return this===e}}],[{key:"isNull",value:function(e){return e&&e.typeId===qC.Null}},{key:"isInt",value:function(e){return e&&e.typeId===qC.Int}},{key:"isFloat",value:function(e){return e&&e.typeId===qC.Float}},{key:"isBinary",value:function(e){return e&&e.typeId===qC.Binary}},{key:"isUtf8",value:function(e){return e&&e.typeId===qC.Utf8}},{key:"isBool",value:function(e){return e&&e.typeId===qC.Bool}},{key:"isDecimal",value:function(e){return e&&e.typeId===qC.Decimal}},{key:"isDate",value:function(e){return e&&e.typeId===qC.Date}},{key:"isTime",value:function(e){return e&&e.typeId===qC.Time}},{key:"isTimestamp",value:function(e){return e&&e.typeId===qC.Timestamp}},{key:"isInterval",value:function(e){return e&&e.typeId===qC.Interval}},{key:"isList",value:function(e){return e&&e.typeId===qC.List}},{key:"isStruct",value:function(e){return e&&e.typeId===qC.Struct}},{key:"isUnion",value:function(e){return e&&e.typeId===qC.Union}},{key:"isFixedSizeBinary",value:function(e){return e&&e.typeId===qC.FixedSizeBinary}},{key:"isFixedSizeList",value:function(e){return e&&e.typeId===qC.FixedSizeList}},{key:"isMap",value:function(e){return e&&e.typeId===qC.Map}},{key:"isDictionary",value:function(e){return e&&e.typeId===qC.Dictionary}}]),e}(),tM=function(e,t){g(r,eM);var i=_(r);function r(e,t){var s;return B(this,r),Jb(b(s=i.call(this)),"isSigned",void 0),Jb(b(s),"bitWidth",void 0),s.isSigned=e,s.bitWidth=t,s}return C(r,[{key:"typeId",get:function(){return qC.Int}},{key:t,get:function(){return"Int"}},{key:"toString",value:function(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}]),r}(0,Symbol.toStringTag),iM=function(e){g(i,tM);var t=_(i);function i(){return B(this,i),t.call(this,!0,8)}return C(i)}(),rM=function(e){g(i,tM);var t=_(i);function i(){return B(this,i),t.call(this,!0,16)}return 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B(this,r),Jb(b(s=i.call(this)),"listSize",void 0),Jb(b(s),"children",void 0),s.listSize=e,s.children=[t],s}return C(r,[{key:"typeId",get:function(){return qC.FixedSizeList}},{key:"valueType",get:function(){return this.children[0].type}},{key:"valueField",get:function(){return this.children[0]}},{key:t,get:function(){return"FixedSizeList"}},{key:"toString",value:function(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">")}}]),r}(0,Symbol.toStringTag);function pM(e,t,i){var r=function(e){switch(e.constructor){case Int8Array:return new iM;case Uint8Array:return new nM;case Int16Array:return new rM;case Uint16Array:return new oM;case Int32Array:return new sM;case Uint32Array:return new aM;case Float32Array:return new AM;case Float64Array:return new hM;default:throw new Error("array type not supported")}}(t.value),s=i||function(e){var t=new Map;"byteOffset"in e&&t.set("byteOffset",e.byteOffset.toString(10));"byteStride"in e&&t.set("byteStride",e.byteStride.toString(10));"normalized"in e&&t.set("normalized",e.normalized.toString());return t}(t);return new $C(e,new dM(t.size,new $C("value",r)),!1,s)}function fM(e,t,i){var r=gM(t.metadata),s=[],n=function(e){var t={};for(var i in e){var r=e[i];t[r.name||"undefined"]=r}return t}(t.attributes);for(var o in e){var a=vM(o,e[o],n[o]);s.push(a)}if(i){var l=vM("indices",i);s.push(l)}return new YC(s,r)}function vM(e,t,i){return pM(e,t,i?gM(i.metadata):void 0)}function gM(e){var t=new Map;for(var i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}var mM={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},_M={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array},yM=function(){function e(t){B(this,e),Jb(this,"draco",void 0),Jb(this,"decoder",void 0),Jb(this,"metadataQuerier",void 0),this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}return C(e,[{key:"destroy",value:function(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}},{key:"parseSync",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);var r=this.decoder.GetEncodedGeometryType(i),s=r===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{var n;switch(r){case this.draco.TRIANGULAR_MESH:n=this.decoder.DecodeBufferToMesh(i,s);break;case this.draco.POINT_CLOUD:n=this.decoder.DecodeBufferToPointCloud(i,s);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!n.ok()||!s.ptr){var o="DRACO decompression failed: ".concat(n.error_msg());throw new Error(o)}var a=this._getDracoLoaderData(s,r,t),u=this._getMeshData(s,a,t),c=JC(u.attributes),A=fM(u.attributes,a,u.indices),h=l(l({loader:"draco",loaderData:a,header:{vertexCount:s.num_points(),boundingBox:c}},u),{},{schema:A});return h}finally{this.draco.destroy(i),s&&this.draco.destroy(s)}}},{key:"_getDracoLoaderData",value:function(e,t,i){var r=this._getTopLevelMetadata(e),s=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:r,attributes:s}}},{key:"_getDracoAttributes",value:function(e,t){for(var i={},r=0;r<e.num_attributes();r++){var s=this.decoder.GetAttribute(e,r),n=this._getAttributeMetadata(e,r);i[s.unique_id()]={unique_id:s.unique_id(),attribute_type:s.attribute_type(),data_type:s.data_type(),num_components:s.num_components(),byte_offset:s.byte_offset(),byte_stride:s.byte_stride(),normalized:s.normalized(),attribute_index:r,metadata:n};var o=this._getQuantizationTransform(s,t);o&&(i[s.unique_id()].quantization_transform=o);var a=this._getOctahedronTransform(s,t);a&&(i[s.unique_id()].octahedron_transform=a)}return i}},{key:"_getMeshData",value:function(e,t,i){var r=this._getMeshAttributes(t,e,i);if(!r.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:r,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:r,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:r}}},{key:"_getMeshAttributes",value:function(e,t,i){for(var r={},s=0,n=Object.values(e.attributes);s<n.length;s++){var o=n[s],a=this._deduceAttributeName(o,i);o.name=a;var l=this._getAttributeValues(t,o),u=l.value,c=l.size;r[a]={value:u,size:c,byteOffset:o.byte_offset,byteStride:o.byte_stride,normalized:o.normalized}}return r}},{key:"_getTriangleListIndices",value:function(e){var t=3*e.num_faces(),i=4*t,r=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,r),new Uint32Array(this.draco.HEAPF32.buffer,r,t).slice()}finally{this.draco._free(r)}}},{key:"_getTriangleStripIndices",value:function(e){var t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){for(var t=e.size(),i=new Int32Array(t),r=0;r<t;r++)i[r]=e.GetValue(r);return i}(t)}finally{this.draco.destroy(t)}}},{key:"_getAttributeValues",value:function(e,t){var i,r=_M[t.data_type],s=t.num_components,n=e.num_points()*s,o=n*r.BYTES_PER_ELEMENT,a=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,r),l=this.draco._malloc(o);try{var u=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,u,a,o,l),i=new r(this.draco.HEAPF32.buffer,l,n).slice()}finally{this.draco._free(l)}return{value:i,size:s}}},{key:"_deduceAttributeName",value:function(e,t){for(var i=e.unique_id,r=0,s=Object.entries(t.extraAttributes||{});r<s.length;r++){var n=A(s[r],2),o=n[0];if(n[1]===i)return o}var a=e.attribute_type;for(var l in mM){if(this.draco[l]===a)return mM[l]}var u=t.attributeNameEntry||"name";return e.metadata[u]?e.metadata[u].string:"CUSTOM_ATTRIBUTE_".concat(i)}},{key:"_getTopLevelMetadata",value:function(e){var t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}},{key:"_getAttributeMetadata",value:function(e,t){var i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}},{key:"_getDracoMetadata",value:function(e){if(!e||!e.ptr)return{};for(var t={},i=this.metadataQuerier.NumEntries(e),r=0;r<i;r++){var s=this.metadataQuerier.GetEntryName(e,r);t[s]=this._getDracoMetadataField(e,s)}return t}},{key:"_getDracoMetadataField",value:function(e,t){var i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);var r=function(e){for(var t=e.size(),i=new Int32Array(t),r=0;r<t;r++)i[r]=e.GetValue(r);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:r}}finally{this.draco.destroy(i)}}},{key:"_disableAttributeTransforms",value:function(e){var t,i=e.quantizedAttributes,r=void 0===i?[]:i,s=e.octahedronAttributes,n=void 0===s?[]:s,o=c([].concat(h(r),h(n)));try{for(o.s();!(t=o.n()).done;){var a=t.value;this.decoder.SkipAttributeTransform(this.draco[a])}}catch(e){o.e(e)}finally{o.f()}}},{key:"_getQuantizationTransform",value:function(e,t){var i=this,r=t.quantizedAttributes,s=void 0===r?[]:r,n=e.attribute_type();if(s.map((function(e){return i.decoder[e]})).includes(n)){var o=new this.draco.AttributeQuantizationTransform;try{if(o.InitFromAttribute(e))return{quantization_bits:o.quantization_bits(),range:o.range(),min_values:new Float32Array([1,2,3]).map((function(e){return o.min_value(e)}))}}finally{this.draco.destroy(o)}}return null}},{key:"_getOctahedronTransform",value:function(e,t){var i=this,r=t.octahedronAttributes,s=void 0===r?[]:r,n=e.attribute_type();if(s.map((function(e){return i.decoder[e]})).includes(n)){var o=new this.draco.AttributeQuantizationTransform;try{if(o.InitFromAttribute(e))return{quantization_bits:o.quantization_bits()}}finally{this.draco.destroy(o)}}return null}}]),e}();var bM,xM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),wM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),BM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");function PM(e){return CM.apply(this,arguments)}function CM(){return(CM=o(s().mark((function e(t){var i;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return i=t.modules||{},bM=i.draco3d?bM||i.draco3d.createDecoderModule({}).then((function(e){return{draco:e}})):bM||MM(t),e.next=4,bM;case 4:return e.abrupt("return",e.sent);case 5:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function MM(e){return EM.apply(this,arguments)}function EM(){return(EM=o(s().mark((function e(t){var i,r,n,o;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:e.t0=t.draco&&t.draco.decoderType,e.next="js"===e.t0?3:(e.t0,7);break;case 3:return e.next=5,hx(xM,"draco",t);case 5:return i=e.sent,e.abrupt("break",21);case 7:return e.t1=Promise,e.next=10,hx(wM,"draco",t);case 10:return e.t2=e.sent,e.next=13,hx(BM,"draco",t);case 13:return e.t3=e.sent,e.t4=[e.t2,e.t3],e.next=17,e.t1.all.call(e.t1,e.t4);case 17:n=e.sent,o=A(n,2),i=o[0],r=o[1];case 21:return i=i||globalThis.DracoDecoderModule,e.next=24,FM(i,r);case 24:return e.abrupt("return",e.sent);case 25:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function FM(e,t){var i={};return t&&(i.wasmBinary=t),new Promise((function(t){e(l(l({},i),{},{onModuleLoaded:function(e){return t({draco:e})}}))}))}var kM=l(l({},XC),{},{parse:function(e,t){return IM.apply(this,arguments)}});function IM(){return(IM=o(s().mark((function e(t,i){var r,n,o;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return e.next=2,PM(i);case 2:return r=e.sent,n=r.draco,o=new yM(n),e.prev=5,e.abrupt("return",o.parseSync(t,null==i?void 0:i.draco));case 7:return e.prev=7,o.destroy(),e.finish(7);case 10:case"end":return e.stop()}}),e,null,[[5,,7,10]])})))).apply(this,arguments)}function DM(e){var t={};for(var i in e){var r=e[i];if("indices"!==i){var s=SM(r);t[i]=s}}return t}function SM(e){var t=function(e){var t=e,i=1,r=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),r=t.length/i);return{buffer:t,size:i,count:r}}(e),i=t.buffer,r=t.size;return{value:i,size:r,byteOffset:0,count:t.count,type:xC(r),componentType:wC(i)}}function TM(){return(TM=o(s().mark((function e(t,i,r){var n,o,a,l,u,A;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(null!=i&&null!==(n=i.gltf)&&void 0!==n&&n.decompressMeshes){e.next=2;break}return e.abrupt("return");case 2:o=new MC(t),a=[],l=c(NM(o));try{for(l.s();!(u=l.n()).done;)A=u.value,o.getObjectExtension(A,"KHR_draco_mesh_compression")&&a.push(LM(o,A,i,r))}catch(e){l.e(e)}finally{l.f()}return e.next=8,Promise.all(a);case 8:o.removeExtension("KHR_draco_mesh_compression");case 9:case"end":return 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22:r.next=3;break;case 24:r.next=29;break;case 26:r.prev=26,r.t1=r.catch(1),t.e(r.t1);case 29:return r.prev=29,t.f(),r.finish(29);case 32:case"end":return r.stop()}}),r,null,[[1,26,29,32],[6,16,19,22]])}function QM(){return(QM=o(s().mark((function e(t){var i,r,n,o,a,l,u;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:i=new MC(t),r=i.json,(n=i.getExtension("KHR_lights_punctual"))&&(i.json.lights=n.lights,i.removeExtension("KHR_lights_punctual")),o=c(r.nodes||[]);try{for(o.s();!(a=o.n()).done;)l=a.value,(u=i.getObjectExtension(l,"KHR_lights_punctual"))&&(l.light=u.light),i.removeObjectExtension(l,"KHR_lights_punctual")}catch(e){o.e(e)}finally{o.f()}case 6:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function VM(){return(VM=o(s().mark((function e(t){var i,r,n,o,a,l,u;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(i=new MC(t),(r=i.json).lights&&(dC(!(n=i.addExtension("KHR_lights_punctual")).lights),n.lights=r.lights,delete 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s=t.value;UM(s),i.addRequiredExtension("KHR_draco_mesh_compression")}}catch(e){r.e(e)}finally{r.f()}}}),Object.freeze({__proto__:null,name:"KHR_lights_punctual",decode:function(e){return QM.apply(this,arguments)},encode:function(e){return VM.apply(this,arguments)}}),Object.freeze({__proto__:null,name:"KHR_materials_unlit",decode:function(e){return HM.apply(this,arguments)},encode:function(e){var t=new MC(e),i=t.json;if(t.materials){var r,s=c(i.materials||[]);try{for(s.s();!(r=s.n()).done;){var n=r.value;n.unlit&&(delete n.unlit,t.addObjectExtension(n,"KHR_materials_unlit",{}),t.addExtension("KHR_materials_unlit"))}}catch(e){s.e(e)}finally{s.f()}}}}),Object.freeze({__proto__:null,name:"KHR_techniques_webgl",decode:function(e){return jM.apply(this,arguments)},encode:function(e,t){return GM.apply(this,arguments)}})];function XM(e){var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r=arguments.length>2?arguments[2]:void 0,s=KM.filter((function(e){return ZM(e.name,i)})),n=c(s);try{for(n.s();!(t=n.n()).done;){var o,a=t.value;null===(o=a.preprocess)||void 0===o||o.call(a,e,i,r)}}catch(e){n.e(e)}finally{n.f()}}function JM(e){return YM.apply(this,arguments)}function YM(){return YM=o(s().mark((function e(t){var i,r,n,o,a,l,u,A=arguments;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:i=A.length>1&&void 0!==A[1]?A[1]:{},r=A.length>2?A[2]:void 0,n=KM.filter((function(e){return ZM(e.name,i)})),o=c(n),e.prev=4,o.s();case 6:if((a=o.n()).done){e.next=12;break}return l=a.value,e.next=10,null===(u=l.decode)||void 0===u?void 0:u.call(l,t,i,r);case 10:e.next=6;break;case 12:e.next=17;break;case 14:e.prev=14,e.t0=e.catch(4),o.e(e.t0);case 17:return e.prev=17,o.f(),e.finish(17);case 20:case"end":return e.stop()}}),e,null,[[4,14,17,20]])}))),YM.apply(this,arguments)}function ZM(e,t){var i,r=(null==t||null===(i=t.gltf)||void 0===i?void 0:i.excludeExtensions)||{};return!(e in r&&!r[e])}var qM={accessors:"accessor",animations:"animation",buffers:"buffer",bufferViews:"bufferView",images:"image",materials:"material",meshes:"mesh",nodes:"node",samplers:"sampler",scenes:"scene",skins:"skin",textures:"texture"},$M={accessor:"accessors",animations:"animation",buffer:"buffers",bufferView:"bufferViews",image:"images",material:"materials",mesh:"meshes",node:"nodes",sampler:"samplers",scene:"scenes",skin:"skins",texture:"textures"},eE=function(){function e(){B(this,e),Jb(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}}),Jb(this,"json",void 0)}return C(e,[{key:"normalize",value:function(e,t){this.json=e.json;var i=e.json;switch(i.asset&&i.asset.version){case"2.0":return;case void 0:case"1.0":break;default:return void console.warn("glTF: Unknown version ".concat(i.asset.version))}if(!t.normalize)throw new Error("glTF v1 is not supported.");console.warn("Converting glTF v1 to 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This is experimental and may fail."),this._addAsset(i),this._convertTopLevelObjectsToArrays(i),function(e){var t,i=new MC(e),r=i.json,s=c(r.images||[]);try{for(s.s();!(t=s.n()).done;){var n=t.value,o=i.getObjectExtension(n,"KHR_binary_glTF");o&&Object.assign(n,o),i.removeObjectExtension(n,"KHR_binary_glTF")}}catch(e){s.e(e)}finally{s.f()}r.buffers&&r.buffers[0]&&delete r.buffers[0].uri,i.removeExtension("KHR_binary_glTF")}(e),this._convertObjectIdsToArrayIndices(i),this._updateObjects(i),this._updateMaterial(i)}},{key:"_addAsset",value:function(e){e.asset=e.asset||{},e.asset.version="2.0",e.asset.generator=e.asset.generator||"Normalized to glTF 2.0 by loaders.gl"}},{key:"_convertTopLevelObjectsToArrays",value:function(e){for(var t in qM)this._convertTopLevelObjectToArray(e,t)}},{key:"_convertTopLevelObjectToArray",value:function(e,t){var i=e[t];if(i&&!Array.isArray(i))for(var r in e[t]=[],i){var s=i[r];s.id=s.id||r;var n=e[t].length;e[t].push(s),this.idToIndexMap[t][r]=n}}},{key:"_convertObjectIdsToArrayIndices",value:function(e){for(var t in qM)this._convertIdsToIndices(e,t);"scene"in e&&(e.scene=this._convertIdToIndex(e.scene,"scene"));var i,r=c(e.textures);try{for(r.s();!(i=r.n()).done;){var s=i.value;this._convertTextureIds(s)}}catch(e){r.e(e)}finally{r.f()}var n,o=c(e.meshes);try{for(o.s();!(n=o.n()).done;){var a=n.value;this._convertMeshIds(a)}}catch(e){o.e(e)}finally{o.f()}var l,u=c(e.nodes);try{for(u.s();!(l=u.n()).done;){var A=l.value;this._convertNodeIds(A)}}catch(e){u.e(e)}finally{u.f()}var h,d=c(e.scenes);try{for(d.s();!(h=d.n()).done;){var p=h.value;this._convertSceneIds(p)}}catch(e){d.e(e)}finally{d.f()}}},{key:"_convertTextureIds",value:function(e){e.source&&(e.source=this._convertIdToIndex(e.source,"image"))}},{key:"_convertMeshIds",value:function(e){var t,i=c(e.primitives);try{for(i.s();!(t=i.n()).done;){var r=t.value,s=r.attributes,n=r.indices,o=r.material;for(var a in s)s[a]=this._convertIdToIndex(s[a],"accessor");n&&(r.indices=this._convertIdToIndex(n,"accessor")),o&&(r.material=this._convertIdToIndex(o,"material"))}}catch(e){i.e(e)}finally{i.f()}}},{key:"_convertNodeIds",value:function(e){var t=this;e.children&&(e.children=e.children.map((function(e){return t._convertIdToIndex(e,"node")}))),e.meshes&&(e.meshes=e.meshes.map((function(e){return t._convertIdToIndex(e,"mesh")})))}},{key:"_convertSceneIds",value:function(e){var t=this;e.nodes&&(e.nodes=e.nodes.map((function(e){return t._convertIdToIndex(e,"node")})))}},{key:"_convertIdsToIndices",value:function(e,t){e[t]||(console.warn("gltf v1: json doesn't contain attribute ".concat(t)),e[t]=[]);var i,r=c(e[t]);try{for(r.s();!(i=r.n()).done;){var s=i.value;for(var n in s){var o=s[n],a=this._convertIdToIndex(o,n);s[n]=a}}}catch(e){r.e(e)}finally{r.f()}}},{key:"_convertIdToIndex",value:function(e,t){var i=$M[t];if(i in this.idToIndexMap){var r=this.idToIndexMap[i][e];if(!Number.isFinite(r))throw new 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iE={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},rE={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},sE=10240,nE=10241,oE=10242,aE=10243,lE=10497,uE=9986,cE={magFilter:sE,minFilter:nE,wrapS:oE,wrapT:aE},AE=(u(e={},sE,9729),u(e,nE,uE),u(e,oE,lE),u(e,aE,lE),e);var hE=function(){function e(){B(this,e),Jb(this,"baseUri",""),Jb(this,"json",{}),Jb(this,"buffers",[]),Jb(this,"images",[])}return C(e,[{key:"postProcess",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=e.json,r=e.buffers,s=void 0===r?[]:r,n=e.images,o=void 0===n?[]:n,a=e.baseUri,l=void 0===a?"":a;return dC(i),this.baseUri=l,this.json=i,this.buffers=s,this.images=o,this._resolveTree(this.json,t),this.json}},{key:"_resolveTree",value:function(e){var t=this;e.bufferViews&&(e.bufferViews=e.bufferViews.map((function(e,i){return t._resolveBufferView(e,i)}))),e.images&&(e.images=e.images.map((function(e,i){return t._resolveImage(e,i)}))),e.samplers&&(e.samplers=e.samplers.map((function(e,i){return t._resolveSampler(e,i)}))),e.textures&&(e.textures=e.textures.map((function(e,i){return t._resolveTexture(e,i)}))),e.accessors&&(e.accessors=e.accessors.map((function(e,i){return t._resolveAccessor(e,i)}))),e.materials&&(e.materials=e.materials.map((function(e,i){return t._resolveMaterial(e,i)}))),e.meshes&&(e.meshes=e.meshes.map((function(e,i){return t._resolveMesh(e,i)}))),e.nodes&&(e.nodes=e.nodes.map((function(e,i){return t._resolveNode(e,i)}))),e.skins&&(e.skins=e.skins.map((function(e,i){return t._resolveSkin(e,i)}))),e.scenes&&(e.scenes=e.scenes.map((function(e,i){return t._resolveScene(e,i)}))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene])}},{key:"getScene",value:function(e){return this._get("scenes",e)}},{key:"getNode",value:function(e){return this._get("nodes",e)}},{key:"getSkin",value:function(e){return this._get("skins",e)}},{key:"getMesh",value:function(e){return this._get("meshes",e)}},{key:"getMaterial",value:function(e){return 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l={src:t,entityId:s.entityId,metaModelJSON:r,autoMetaModel:s.autoMetaModel,globalizeObjectIds:s.globalizeObjectIds,metaObjects:[],loadBuffer:s.loadBuffer,basePath:s.basePath,handlenode:s.handlenode,backfaces:!!s.backfaces,gltfData:i,scene:n.scene,plugin:e,sceneModel:n,numObjects:0,nodes:[],nextId:0,log:function(t){e.log(t)}};!function(e){var t=e.gltfData.textures;if(t)for(var i=0,r=t.length;i<r;i++)LE(e,t[i])}(l),function(e){var t=e.gltfData.materials;if(t)for(var i=0,r=t.length;i<r;i++){var s=t[i];s._textureSetId=RE(e,s),s._attributes=UE(e,s)}}(l),s.autoMetaModel&&l.metaObjects.push({id:n.id,type:"Default",name:n.id}),function(e){var t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");var r=i.nodes;if(!r)return;!function e(t){t.forEach((function(t){var i=t.mesh;i&&(i.instances||(i.instances=0),i.instances+=1),t.children&&e(t.children)}))}(r);var s=[],n=null;!function t(i,r,o){i.forEach((function(i){var 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3:l.primitive="lines";break;default:l.primitive=c?"triangles":"solid"}var A=a.attributes.POSITION;if(A){l.localPositions=A.value,l.positions=new Float64Array(l.localPositions.length),a.attributes.NORMAL&&(l.normals=a.attributes.NORMAL.value),a.attributes.TEXCOORD_0&&(l.uv=a.attributes.TEXCOORD_0.value),a.indices&&(l.indices=a.indices.value),i?re.transformPositions3(i,l.localPositions,l.positions):l.positions.set(l.localPositions);var h=re.vec3();Ge(l.positions,l.positions,h)&&(l.origin=h),t.sceneModel.createMesh(l),r.push(l.id)}}}}(i,e,u,n),i.children&&t(i.children,r+1,u),l){if(n.length>0){var c=e.globalizeObjectIds?re.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:c,meshIds:n,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:c,type:"Default",name:c,parent:e.sceneModel.id})}n=s.pop()}}))}(r,0,null)}(l),n.finalize(),s.autoMetaModel&&e.viewer.metaScene.createMetaModel(n.id,{metaObjects:l.metaObjects}),a.processes--,o()}))}function 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i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":var r=t.alphaCutoff;i.alphaCutoff=void 0!==r?r:.5}var s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){var n=t.pbrMetallicRoughness,o=n.baseColorTexture||n.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}var a=t.extensions;if(a){var l=a.KHR_materials_pbrSpecularGlossiness;if(l){l.specularTexture;var u=l.specularColorTexture;null!=u&&(i.colorTextureId=e.gltfData.textures[u.index]._textureId)}}return void 0!==i.normalTextureId||void 0!==i.occlusionTextureId||void 0!==i.emissiveTextureId||void 0!==i.colorTextureId||void 0!==i.metallicRoughnessTextureId?(i.id="textureSet-".concat(e.nextId++,";"),e.sceneModel.createTextureSet(i),i.id):null}function UE(e,t){var i=t.extensions,r={color:new Float32Array([1,1,1,1]),opacity:1,metallic:0,roughness:1,doubleSided:!0};if(i){var s=i.KHR_materials_pbrSpecularGlossiness;if(s){var n=s.diffuseFactor;null!=n&&r.color.set(n)}var o=i.KHR_materials_common;if(o){var a=o.technique,l=o.values||{},u="BLINN"===a,c="PHONG"===a,A="LAMBERT"===a,h=l.diffuse;h&&(u||c||A)&&(he.isString(h)||r.color.set(h));var d=l.transparency;null!=d&&(r.opacity=d);var p=l.transparent;null!=p&&(r.opacity=p)}}var f=t.pbrMetallicRoughness;if(f){var v=f.baseColorFactor;v&&(r.color[0]=v[0],r.color[1]=v[1],r.color[2]=v[2],r.opacity=v[3]);var g=f.metallicFactor;null!=g&&(r.metallic=g);var m=f.roughnessFactor;null!=m&&(r.roughness=m)}return r.doubleSided=!1!==t.doubleSided,r}var OE={DEFAULT:{}},NE=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"GLTFLoader",e,s))._sceneModelLoader=new DE(b(r),s),r.dataSource=s.dataSource,r.objectDefaults=s.objectDefaults,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new hd}},{key:"objectDefaults",get:function(){return this._objectDefaults},set:function(e){this._objectDefaults=e||OE}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new Vh(this.viewer.scene,he.apply(t,{isModel:!0,dtxEnabled:t.dtxEnabled})),r=i.id;if(!t.src&&!t.gltf)return this.error("load() param expected: src or gltf"),i;if(t.metaModelSrc||t.metaModelJSON){var s=function(s){e.viewer.metaScene.createMetaModel(r,s,{}),e.viewer.scene.canvas.spinner.processes--,t.src?e._sceneModelLoader.load(e,t.src,s,t,i):e._sceneModelLoader.parse(e,t.gltf,s,t,i)};if(t.metaModelSrc){var n=t.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(n,(function(t){e.viewer.scene.canvas.spinner.processes--,s(t)}),(function(t){e.error("load(): Failed to load model metadata for model '".concat(r," from  '").concat(n,"' - ").concat(t)),e.viewer.scene.canvas.spinner.processes--}))}else t.metaModelJSON&&s(t.metaModelJSON)}else t.src?this._sceneModelLoader.load(this,t.src,null,t,i):this._sceneModelLoader.parse(this,t.gltf,null,t,i);return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}();function QE(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r="lightgrey",s=i.hoverColor||"rgba(0,0,0,0.4)",n=i.textColor||"black",o=500,a=o+o/3,l=a/24,u=[{boundary:[6,6,6,6],color:i.frontColor||i.color||"#55FF55"},{boundary:[18,6,6,6],color:i.backColor||i.color||"#55FF55"},{boundary:[12,6,6,6],color:i.rightColor||i.color||"#FF5555"},{boundary:[0,6,6,6],color:i.leftColor||i.color||"#FF5555"},{boundary:[6,0,6,6],color:i.topColor||i.color||"#7777FF"},{boundary:[6,12,6,6],color:i.bottomColor||i.color||"#7777FF"}],c=[{label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,1,0],up:[0,0,1]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,-1,0],up:[0,0,1]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,0,1]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,0,1]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,0,1],up:[0,-1,0]},{boundaries:[[7,5,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,0,-1],up:[1,0,1]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-1,-1],up:[0,-1,1]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,0,-1],up:[-1,0,1]},{boundaries:[[7,11,4,2]],dir:[0,1,1],up:[0,-1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,0,1],up:[-1,0,1]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,-1,1],up:[0,1,1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,0,1],up:[1,0,1]},{boundaries:[[5,7,2,4]],dir:[1,1,0],up:[0,0,1]},{boundaries:[[11,7,2,4]],dir:[-1,1,0],up:[0,0,1]},{boundaries:[[17,7,2,4]],dir:[-1,-1,0],up:[0,0,1]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,-1,0],up:[0,0,1]},{boundaries:[[5,11,2,2]],dir:[1,1,1],up:[-1,-1,1]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[1,-1,1],up:[-1,1,1]},{boundaries:[[5,5,2,2]],dir:[1,1,-1],up:[1,1,1]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-1,-1,1],up:[1,1,1]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-1,-1,-1],up:[-1,-1,1]},{boundaries:[[11,11,2,2]],dir:[-1,1,1],up:[1,-1,1]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[1,-1,-1],up:[1,-1,1]},{boundaries:[[11,5,2,2]],dir:[-1,1,-1],up:[-1,1,1]}];i.frontColor||i.color,i.backColor||i.color,i.rightColor||i.color,i.leftColor||i.color,i.topColor||i.color,i.bottomColor||i.color;for(var A=[{yUp:"",label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,0,1],up:[0,1,0]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,1,0]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,1,0]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,-1,0],up:[0,0,-1]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,1,0],up:[0,0,1]},{boundaries:[[7,5,4,2]],dir:[0,-.7071,-.7071],up:[0,.7071,-.7071]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,-1,0],up:[1,1,0]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-.7071,.7071],up:[0,.7071,.7071]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,-1,0],up:[-1,1,0]},{boundaries:[[7,11,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,1,0],up:[-1,1,0]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,1,1],up:[0,1,-1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,1,0],up:[1,1,0]},{boundaries:[[5,7,2,4]],dir:[1,0,-1],up:[0,1,0]},{boundaries:[[11,7,2,4]],dir:[-1,0,-1],up:[0,1,0]},{boundaries:[[17,7,2,4]],dir:[-1,0,1],up:[0,1,0]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,0,1],up:[0,1,0]},{boundaries:[[5,11,2,2]],dir:[.5,.7071,-.5],up:[-.5,.7071,.5]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[.5,.7071,.5],up:[-.5,.7071,-.5]},{boundaries:[[5,5,2,2]],dir:[.5,-.7071,-.5],up:[.5,.7071,-.5]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-.5,.7071,.5],up:[.5,.7071,-.5]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-.5,-.7071,.5],up:[-.5,.7071,.5]},{boundaries:[[11,11,2,2]],dir:[-.5,.7071,-.5],up:[.5,.7071,.5]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[.5,-.7071,.5],up:[.5,.7071,.5]},{boundaries:[[11,5,2,2]],dir:[-.5,-.7071,-.5],up:[-.5,.7071,-.5]}],h=0,d=c.length;h<d;h++)re.normalizeVec3(c[h].dir,c[h].dir),re.normalizeVec3(c[h].up,c[h].up);for(var p=0,f=A.length;p<f;p++)re.normalizeVec3(A[p].dir,A[p].dir),re.normalizeVec3(A[p].up,A[p].up);var v=A;this._textureCanvas=document.createElement("canvas"),this._textureCanvas.width=a,this._textureCanvas.height=o,this._textureCanvas.style.width=a+"px",this._textureCanvas.style.height=o+"px",this._textureCanvas.style.padding="0",this._textureCanvas.style.margin="0",this._textureCanvas.style.top="0",this._textureCanvas.style.background=r,this._textureCanvas.style.position="absolute",this._textureCanvas.style.opacity="1.0",this._textureCanvas.style.visibility="hidden",this._textureCanvas.style["z-index"]=2e6;var g=document.getElementsByTagName("body")[0];g.appendChild(this._textureCanvas);var m=this._textureCanvas.getContext("2d"),_=!1;function y(){for(var e=0,i=u.length;e<i;e++){var o=u[e],a=o.boundary,c=Math.round(a[0]*l),A=Math.round(a[1]*l),h=Math.round(a[2]*l),d=Math.round(a[3]*l);m.fillStyle=o.color,m.fillRect(c,A,h,d)}for(var p=0,f=v.length;p<f;p++){for(var g=void 0,_=void 0,y=void 0,b=void 0,x=v[p],w=x.boundaries,P=0,C=w.length;P<C;P++){var M=w[P];g=Math.round(M[0]*l),_=Math.round(M[1]*l),y=Math.round(M[2]*l),b=Math.round(M[3]*l),x.highlighted&&(m.fillStyle=x.highlighted?s:x.color||r,m.fillRect(g,_,y,b))}if(x.label){m.fillStyle=n,m.font="60px sans-serif",m.textAlign="center";var E=g+.5*y,F=_+.7*b;m.fillText(B(x.label),E,F,80)}}t.glRedraw()}var b,x,w,B=(b={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},x={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},w={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"},function(t){var i=_?x:b,r=i?i[t]:null;return r?e.localeService.translate(r)||w[r]||r:t});this.setZUp=function(){_=!0,v=c,this.clear()},this.setYUp=function(){_=!1,v=A,this.clear()},this.clear=function(){m.fillStyle=r,m.fillRect(0,0,a,o);for(var e=0,t=v.length;e<t;e++){v[e].highlighted=!1}y()},this.getArea=function(e){for(var t=e[0]*a,i=o-e[1]*o,r=0,s=v.length;r<s;r++)for(var n=v[r].boundaries,u=0,c=n.length;u<c;u++){var A=n[u];if(t>=A[0]*l&&t<=(A[0]+A[2])*l&&i>=A[1]*l&&i<=(A[1]+A[3])*l)return r}return-1},this.setAreaHighlighted=function(e,t){var i=v[e];if(!i)throw"Area not found: "+e;i.highlighted=!!t,y()},this.getAreaDir=function(e){var t=v[e];if(!t)throw"Unknown area: "+e;return t.dir},this.getAreaUp=function(e){var t=v[e];if(!t)throw"Unknown area: "+e;return t.up},this.getImage=function(){return this._textureCanvas},this.destroy=function(){this._textureCanvas&&(this._textureCanvas.parentNode.removeChild(this._textureCanvas),this._textureCanvas=null)}}var VE=re.vec3(),HE=re.vec3();re.mat4();var jE=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),r=t.call(this,"NavCube",e,s),e.navCube=b(r);var n=!0;try{r._navCubeScene=new dr(e,{canvasId:s.canvasId,canvasElement:s.canvasElement,transparent:!0}),r._navCubeCanvas=r._navCubeScene.canvas.canvas,r._navCubeScene.input.keyboardEnabled=!1}catch(e){return r.error(e),y(r)}var o=r._navCubeScene;o.clearLights(),new Li(o,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Li(o,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Li(o,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),r._navCubeCamera=o.camera,r._navCubeCamera.ortho.scale=7,r._navCubeCamera.ortho.near=.1,r._navCubeCamera.ortho.far=2e3,o.edgeMaterial.edgeColor=[.2,.2,.2],o.edgeMaterial.edgeAlpha=.6,r._zUp=Boolean(e.camera.zUp);var a=b(r);r.setIsProjectNorth(s.isProjectNorth),r.setProjectNorthOffsetAngle(s.projectNorthOffsetAngle);var l,u=(l=re.mat4(),function(e,t,i){return re.identityMat4(l),re.rotationMat4v(e*a._projectNorthOffsetAngle*re.DEGTORAD,[0,1,0],l),re.transformVec3(l,t,i)});r._synchCamera=function(){var t=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),i=re.vec3(),r=re.vec3(),s=re.vec3();return function(){var n=e.camera.eye,o=e.camera.look,l=e.camera.up;i=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(n,o,i)),5),a._isProjectNorth&&a._projectNorthOffsetAngle&&(i=u(-1,i,VE),l=u(-1,l,HE)),a._zUp?(re.transformVec3(t,i,r),re.transformVec3(t,l,s),a._navCubeCamera.look=[0,0,0],a._navCubeCamera.eye=re.transformVec3(t,i,r),a._navCubeCamera.up=re.transformPoint3(t,l,s)):(a._navCubeCamera.look=[0,0,0],a._navCubeCamera.eye=i,a._navCubeCamera.up=l)}}(),r._cubeTextureCanvas=new QE(e,o,s),r._cubeSampler=new qn(o,{image:r._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),r._cubeMesh=new _n(o,{geometry:new Xi(o,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new $i(o,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:r._cubeSampler,emissiveMap:r._cubeSampler}),visible:!!n,edges:!0}),r._shadow=!1===s.shadowVisible?null:new _n(o,{geometry:new Xi(o,bn({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new $i(o,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!!n,pickable:!1,backfaces:!1}),r._onCameraMatrix=e.camera.on("matrix",r._synchCamera),r._onCameraWorldAxis=e.camera.on("worldAxis",(function(){e.camera.zUp?(r._zUp=!0,r._cubeTextureCanvas.setZUp(),r._repaint(),r._synchCamera()):e.camera.yUp&&(r._zUp=!1,r._cubeTextureCanvas.setYUp(),r._repaint(),r._synchCamera())})),r._onCameraFOV=e.camera.perspective.on("fov",(function(e){r._synchProjection&&(r._navCubeCamera.perspective.fov=e)})),r._onCameraProjection=e.camera.on("projection",(function(e){r._synchProjection&&(r._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var c=-1;function A(t,i){var r=(t-d)*-_,s=(i-p)*-_;e.camera.orbitYaw(r),e.camera.orbitPitch(-s),d=t,p=i}function h(e){var t=[0,0];if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var d,p,f=null,v=null,g=!1,m=!1,_=.5;a._navCubeCanvas.addEventListener("mouseenter",a._onMouseEnter=function(e){m=!0}),a._navCubeCanvas.addEventListener("mouseleave",a._onMouseLeave=function(e){m=!1}),a._navCubeCanvas.addEventListener("mousedown",a._onMouseDown=function(e){if(1===e.which){f=e.x,v=e.y,d=e.clientX,p=e.clientY;var t=h(e),i=o.pick({canvasPos:t});g=!!i}}),document.addEventListener("mouseup",a._onMouseUp=function(e){if(1===e.which&&(g=!1,null!==f)){var t=h(e),i=o.pick({canvasPos:t,pickSurface:!0});if(i&&i.uv){var r=a._cubeTextureCanvas.getArea(i.uv);if(r>=0&&(document.body.style.cursor="pointer",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),r>=0)){if(a._cubeTextureCanvas.setAreaHighlighted(r,!0),c=r,a._repaint(),e.x<f-3||e.x>f+3||e.y<v-3||e.y>v+3)return;var s=a._cubeTextureCanvas.getAreaDir(r);if(s){var n=a._cubeTextureCanvas.getAreaUp(r);a._isProjectNorth&&a._projectNorthOffsetAngle&&(s=u(1,s,VE),n=u(1,n,HE)),x(s,n,(function(){c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),document.body.style.cursor="pointer",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),r>=0&&(a._cubeTextureCanvas.setAreaHighlighted(r,!1),c=-1,a._repaint())}))}}}}}),document.addEventListener("mousemove",a._onMouseMove=function(e){if(c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),1!==e.buttons||g){if(g){var t=e.clientX,i=e.clientY;return document.body.style.cursor="move",void A(t,i)}if(m){var r=h(e),s=o.pick({canvasPos:r,pickSurface:!0});if(s){if(s.uv){document.body.style.cursor="pointer";var n=a._cubeTextureCanvas.getArea(s.uv);if(n===c)return;c>=0&&a._cubeTextureCanvas.setAreaHighlighted(c,!1),n>=0&&(a._cubeTextureCanvas.setAreaHighlighted(n,!0),a._repaint(),c=n)}}else document.body.style.cursor="default",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1)}}});var x=function(){var t=re.vec3();return function(i,r,s){var n=a._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,o=re.getAABB3Diag(n);re.getAABB3Center(n,t);var l=Math.abs(o/Math.tan(a._cameraFitFOV*re.DEGTORAD));e.cameraControl.pivotPos=t,a._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*o,fitFOV:a._cameraFitFOV,duration:a._cameraFlyDuration},s):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*o,fitFOV:a._cameraFitFOV},s)}}();return r._onUpdated=e.localeService.on("updated",(function(){r._cubeTextureCanvas.clear(),r._repaint()})),r.setVisible(s.visible),r.setCameraFitFOV(s.cameraFitFOV),r.setCameraFly(s.cameraFly),r.setCameraFlyDuration(s.cameraFlyDuration),r.setFitVisible(s.fitVisible),r.setSynchProjection(s.synchProjection),r}return C(i,[{key:"send",value:function(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}},{key:"_repaint",value:function(){var e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}},{key:"getVisible",value:function(){return!!this._navCubeCanvas&&this._cubeMesh.visible}},{key:"setFitVisible",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._fitVisible=e}},{key:"getFitVisible",value:function(){return this._fitVisible}},{key:"setCameraFly",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._cameraFly=e}},{key:"getCameraFly",value:function(){return this._cameraFly}},{key:"setCameraFitFOV",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:45;this._cameraFitFOV=e}},{key:"getCameraFitFOV",value:function(){return this._cameraFitFOV}},{key:"setCameraFlyDuration",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:.5;this._cameraFlyDuration=e}},{key:"getCameraFlyDuration",value:function(){return this._cameraFlyDuration}},{key:"setSynchProjection",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._synchProjection=e}},{key:"getSynchProjection",value:function(){return this._synchProjection}},{key:"setIsProjectNorth",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._isProjectNorth=e}},{key:"getIsProjectNorth",value:function(){return this._isProjectNorth}},{key:"setProjectNorthOffsetAngle",value:function(e){this._projectNorthOffsetAngle=e}},{key:"getProjectNorthOffsetAngle",value:function(){return this._projectNorthOffsetAngle}},{key:"destroy",value:function(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}(),GE=re.vec3(),zE=function(){function e(){B(this,e)}return C(e,[{key:"load",value:function(e,t){var i=e.scene.canvas.spinner;i.processes++,WE(e,t,(function(t){XE(e,t,(function(){ZE(e,t),i.processes--,we.scheduleTask((function(){e.fire("loaded",!0,!1)}))}))}))}},{key:"parse",value:function(e,t,i,r){if(t){var s=KE(e,t,null);i&&YE(e,i,r),ZE(e,s),e.src=null,e.fire("loaded",!0,!1)}else this.warn("load() param expected: objText")}}]),e}(),WE=function(e,t,i){qE(t,(function(r){var s=KE(e,r,t);i(s)}),(function(t){e.error(t)}))},KE=function(){var e={vertex_pattern:/^v\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,normal_pattern:/^vn\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,uv_pattern:/^vt\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,face_vertex:/^f\s+(-?\d+)\s+(-?\d+)\s+(-?\d+)(?:\s+(-?\d+))?/,face_vertex_uv:/^f\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+))?/,face_vertex_uv_normal:/^f\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+)\/(-?\d+))?/,face_vertex_normal:/^f\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)(?:\s+(-?\d+)\/\/(-?\d+))?/,object_pattern:/^[og]\s*(.+)?/,smoothing_pattern:/^s\s+(\d+|on|off)/,material_library_pattern:/^mtllib /,material_use_pattern:/^usemtl /};return function(r,s,n){var o={src:n=n||"",basePath:t(n),objects:[],object:{},positions:[],normals:[],uv:[],materialLibraries:{}};i(o,"",!1),-1!==s.indexOf("\r\n")&&(s=s.replace("\r\n","\n"));for(var a=s.split("\n"),l="",u="",c="",d=[],p="function"==typeof"".trimLeft,f=0,v=a.length;f<v;f++)if(l=a[f],0!==(l=p?l.trimLeft():l.trim()).length&&"#"!==(u=l.charAt(0)))if("v"===u)if(" "===(c=l.charAt(1))&&null!==(d=e.vertex_pattern.exec(l)))o.positions.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else if("n"===c&&null!==(d=e.normal_pattern.exec(l)))o.normals.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else{if("t"!==c||null===(d=e.uv_pattern.exec(l)))return void r.error("Unexpected vertex/normal/uv line: '"+l+"'");o.uv.push(parseFloat(d[1]),parseFloat(d[2]))}else if("f"===u)if(null!==(d=e.face_vertex_uv_normal.exec(l)))A(o,d[1],d[4],d[7],d[10],d[2],d[5],d[8],d[11],d[3],d[6],d[9],d[12]);else if(null!==(d=e.face_vertex_uv.exec(l)))A(o,d[1],d[3],d[5],d[7],d[2],d[4],d[6],d[8]);else 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i(e,t,i){if(e.object&&!1===e.object.fromDeclaration)return e.object.id=t,void(e.object.fromDeclaration=!1!==i);e.object={id:t||"",geometry:{positions:[],normals:[],uv:[]},material:{id:"",smooth:!0},fromDeclaration:!1!==i},e.objects.push(e.object)}function r(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function s(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function n(e,t){var i=parseInt(e,10);return 2*(i>=0?i-1:i+t/2)}function o(e,t,i,r){var s=e.positions,n=e.object.geometry.positions;n.push(s[t+0]),n.push(s[t+1]),n.push(s[t+2]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[i+2]),n.push(s[r+0]),n.push(s[r+1]),n.push(s[r+2])}function a(e,t){var i=e.positions,r=e.object.geometry.positions;r.push(i[t+0]),r.push(i[t+1]),r.push(i[t+2])}function l(e,t,i,r){var s=e.normals,n=e.object.geometry.normals;n.push(s[t+0]),n.push(s[t+1]),n.push(s[t+2]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[i+2]),n.push(s[r+0]),n.push(s[r+1]),n.push(s[r+2])}function u(e,t,i,r){var s=e.uv,n=e.object.geometry.uv;n.push(s[t+0]),n.push(s[t+1]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[r+0]),n.push(s[r+1])}function c(e,t){var i=e.uv,r=e.object.geometry.uv;r.push(i[t+0]),r.push(i[t+1])}function A(e,t,i,a,c,A,h,d,p,f,v,g,m){var _,y=e.positions.length,b=r(t,y),x=r(i,y),w=r(a,y);if(void 0===c?o(e,b,x,w):(o(e,b,x,_=r(c,y)),o(e,x,w,_)),void 0!==A){var B=e.uv.length;b=n(A,B),x=n(h,B),w=n(d,B),void 0===c?u(e,b,x,w):(u(e,b,x,_=n(p,B)),u(e,x,w,_))}if(void 0!==f){var P=e.normals.length;b=s(f,P),x=f===v?b:s(v,P),w=f===g?b:s(g,P),void 0===c?l(e,b,x,w):(l(e,b,x,_=s(m,P)),l(e,x,w,_))}}function h(e,t,i){e.object.geometry.type="Line";for(var s=e.positions.length,o=e.uv.length,l=0,u=t.length;l<u;l++)a(e,r(t[l],s));for(var A=0,h=i.length;A<h;A++)c(e,n(i[A],o))}}();function XE(e,t,i){for(var r=t.basePath,s=Object.keys(t.materialLibraries),n=s.length,o=0,a=n;o<a;o++)JE(e,r,r+s[o],(function(){0==--n&&i()}))}var JE=function(e,t,i,r){qE(i,(function(i){YE(e,i,t),r()}),(function(t){e.error(t),r()}))},YE=function(){var e=/\s+/;return function(e,s,n){var o,a,l,u,c,A=s.split("\n"),h={id:"Default"},d=!1;n=n||"";for(var p=0;p<A.length;p++)if(0!==(o=A[p].trim()).length&&"#"!==o.charAt(0))switch(l=(l=(a=o.indexOf(" "))>=0?o.substring(0,a):o).toLowerCase(),u=(u=a>=0?o.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,h),h={id:u},d=!0;break;case"ka":h.ambient=r(u);break;case"kd":h.diffuse=r(u);break;case"ks":h.specular=r(u);break;case"map_kd":h.diffuseMap||(h.diffuseMap=t(e,n,u,"sRGB"));break;case"map_ks":h.specularMap||(h.specularMap=t(e,n,u,"linear"));break;case"map_bump":case"bump":h.normalMap||(h.normalMap=t(e,n,u));break;case"ns":h.shininess=parseFloat(u);break;case"d":(c=parseFloat(u))<1&&(h.alpha=c,h.alphaMode="blend");break;case"tr":(c=parseFloat(u))>0&&(h.alpha=1-c,h.alphaMode="blend")}d&&i(e,h)};function t(e,t,i,r){var s={},n=i.split(/\s+/),o=n.indexOf("-bm");return 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n=t.metaModelSrc;he.loadJSON(n,(function(n){e.viewer.metaScene.createMetaModel(r,n),e._sceneGraphLoader.load(i,s,t)}),(function(t){e.error("load(): Failed to load model modelMetadata for model '".concat(r," from  '").concat(n,"' - ").concat(t))}))}else this._sceneGraphLoader.load(i,s,t);return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),eF=new Float64Array([0,0,1]),tF=new Float64Array(4),iF=function(){function e(t){B(this,e),this.id=null,this._viewer=t.viewer,this._visible=!1,this._pos=re.vec3(),this._origin=re.vec3(),this._rtcPos=re.vec3(),this._baseDir=re.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}return C(e,[{key:"_setSectionPlane",value:function(e){var t=this;this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(function(){t._setPos(t._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(function(){t._ignoreNextSectionPlaneDirUpdate?t._ignoreNextSectionPlaneDirUpdate=!1:t._setDir(t._sectionPlane.dir)})))}},{key:"sectionPlane",get:function(){return this._sectionPlane}},{key:"_setPos",value:function(e){this._pos.set(e),je(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}},{key:"_setDir",value:function(e){this._baseDir.set(e),this._rootNode.quaternion=re.vec3PairToQuaternion(eF,e,tF)}},{key:"_setSectionPlaneDir",value:function(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}},{key:"getVisible",value:function(){return this._visible}},{key:"setCulled",value:function(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}},{key:"_createNodes",value:function(){var e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Rn(t,{position:[0,0,0],scale:[5,5,5],isObject:!1});var r,s,n=this._rootNode,o={arrowHead:new Xi(n,bn({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new Xi(n,bn({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),arrowHeadHandle:new Xi(n,bn({radiusTop:.09,radiusBottom:.09,radialSegments:8,heightSegments:1,height:.37,openEnded:!1})),curve:new Xi(n,co({radius:.8,tube:i,radialSegments:64,tubeSegments:14,arc:2*Math.PI/4})),curveHandle:new Xi(n,co({radius:.8,tube:.06,radialSegments:64,tubeSegments:14,arc:2*Math.PI/4})),hoop:new 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$i(n,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),highlightBall:new tr(n,{edges:!1,fill:!0,fillColor:[.5,.5,.5],fillAlpha:.5,vertices:!1}),highlightPlane:new tr(n,{edges:!0,edgeWidth:3,fill:!1,fillColor:[.5,.5,.5],fillAlpha:.5,vertices:!1})};this._displayMeshes={plane:n.addChild(new _n(n,{geometry:new Xi(n,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new $i(n,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new tr(n,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),e),planeFrame:n.addChild(new _n(n,{geometry:new Xi(n,co({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new $i(n,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new tr(n,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),e),xCurve:n.addChild(new _n(n,{geometry:o.curve,material:a.red,matrix:(r=re.rotationMat4v(90*re.DEGTORAD,[0,1,0],re.identityMat4()),s=re.rotationMat4v(270*re.DEGTORAD,[1,0,0],re.identityMat4()),re.mulMat4(s,r,re.identityMat4())),pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xCurveHandle:n.addChild(new _n(n,{geometry:o.curveHandle,material:a.pickable,matrix:function(){var e=re.rotationMat4v(90*re.DEGTORAD,[0,1,0],re.identityMat4()),t=re.rotationMat4v(270*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xCurveArrow1:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.red,matrix:function(){var e=re.translateMat4c(0,-.07,-.8,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(0*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xCurveArrow2:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.red,matrix:function(){var e=re.translateMat4c(0,-.8,-.07,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yCurve:n.addChild(new _n(n,{geometry:o.curve,material:a.green,rotation:[-90,0,0],pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),yCurveHandle:n.addChild(new _n(n,{geometry:o.curveHandle,material:a.pickable,rotation:[-90,0,0],pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),yCurveArrow1:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.green,matrix:function(){var e=re.translateMat4c(.07,0,-.8,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yCurveArrow2:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.green,matrix:function(){var e=re.translateMat4c(.8,0,-.07,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurve:n.addChild(new _n(n,{geometry:o.curve,material:a.blue,matrix:re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4()),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveHandle:n.addChild(new _n(n,{geometry:o.curveHandle,material:a.pickable,matrix:re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4()),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveCurveArrow1:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.blue,matrix:function(){var e=re.translateMat4c(.8,-.07,0,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4());return re.mulMat4(e,t,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zCurveArrow2:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.blue,matrix:function(){var e=re.translateMat4c(.05,-.8,0,re.identityMat4()),t=re.scaleMat4v([.6,.6,.6],re.identityMat4()),i=re.rotationMat4v(90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(re.mulMat4(e,t,re.identityMat4()),i,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),center:n.addChild(new _n(n,{geometry:new Xi(n,xn({radius:.05})),material:a.center,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.red,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisArrowHandle:n.addChild(new _n(n,{geometry:o.arrowHeadHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxis:n.addChild(new _n(n,{geometry:o.axis,material:a.red,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),xAxisHandle:n.addChild(new _n(n,{geometry:o.axisHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.green,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrowHandle:n.addChild(new _n(n,{geometry:o.arrowHeadHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,opacity:.2,isObject:!1}),e),yShaft:n.addChild(new _n(n,{geometry:o.axis,material:a.green,position:[0,-.5,0],pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yShaftHandle:n.addChild(new _n(n,{geometry:o.axisHandle,material:a.pickable,position:[0,-.5,0],pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHead,material:a.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrowHandle:n.addChild(new _n(n,{geometry:o.arrowHeadHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zShaft:n.addChild(new _n(n,{geometry:o.axis,material:a.blue,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1,isObject:!1}),e),zAxisHandle:n.addChild(new _n(n,{geometry:o.axisHandle,material:a.pickable,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),clippable:!1,pickable:!0,collidable:!0,visible:!1,isObject:!1}),e)},this._affordanceMeshes={planeFrame:n.addChild(new _n(n,{geometry:new Xi(n,co({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new $i(n,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new tr(n,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45],isObject:!1}),e),xHoop:n.addChild(new _n(n,{geometry:o.hoop,material:a.red,highlighted:!0,highlightMaterial:a.highlightRed,matrix:function(){var e=re.rotationMat4v(90*re.DEGTORAD,[0,1,0],re.identityMat4()),t=re.rotationMat4v(270*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yHoop:n.addChild(new _n(n,{geometry:o.hoop,material:a.green,highlighted:!0,highlightMaterial:a.highlightGreen,rotation:[-90,0,0],pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zHoop:n.addChild(new _n(n,{geometry:o.hoop,material:a.blue,highlighted:!0,highlightMaterial:a.highlightBlue,matrix:re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4()),pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),e),xAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHeadBig,material:a.red,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[0,0,1],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),yAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHeadBig,material:a.green,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(180*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e),zAxisArrow:n.addChild(new _n(n,{geometry:o.arrowHeadBig,material:a.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),e)}}},{key:"_bindEvents",value:function(){var e=this,t=this,i=!1,r=-1,s=0,n=1,o=2,a=3,l=4,u=5,c=this._rootNode,A=null,h=null,d=re.vec2(),p=re.vec3([1,0,0]),f=re.vec3([0,1,0]),v=re.vec3([0,0,1]),g=this._viewer.scene.canvas.canvas,m=this._viewer.camera,_=this._viewer.scene,y=re.vec3([0,0,0]),b=-1;this._onCameraViewMatrix=_.camera.on("viewMatrix",(function(){})),this._onCameraProjMatrix=_.camera.on("projMatrix",(function(){})),this._onSceneTick=_.on("tick",(function(){var t=Math.abs(re.lenVec3(re.subVec3(_.camera.eye,e._pos,y)));if(t!==b&&"perspective"===m.projection){var i=.07*(Math.tan(m.perspective.fov*re.DEGTORAD)*t);c.scale=[i,i,i],b=t}if("ortho"===m.projection){var r=m.ortho.scale/10;c.scale=[r,r,r],b=t}}));var x,w,B,P,C,M=function(){var e=new Float64Array(2);return function(t){if(t){for(var i=t.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-r,e[1]=t.pageY-s}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),E=function(){var e=re.mat4();return function(i,r){return re.quaternionToMat4(t._rootNode.quaternion,e),re.transformVec3(e,i,r),re.normalizeVec3(r),r}}(),F=(x=re.vec3(),function(e){var t=Math.abs(e[0]);return t>Math.abs(e[1])&&t>Math.abs(e[2])?re.cross3Vec3(e,[0,1,0],x):re.cross3Vec3(e,[1,0,0],x),re.cross3Vec3(x,e,x),re.normalizeVec3(x),x}),k=(w=re.vec3(),B=re.vec3(),P=re.vec4(),function(e,i,r){E(e,P);var s=F(P,i,r);D(i,s,w),D(r,s,B),re.subVec3(B,w);var n=re.dotVec3(B,P);t._pos[0]+=P[0]*n,t._pos[1]+=P[1]*n,t._pos[2]+=P[2]*n,t._rootNode.position=t._pos,t._sectionPlane&&(t._sectionPlane.pos=t._pos)}),I=function(){var e=re.vec4(),i=re.vec4(),r=re.vec4(),s=re.vec4();return function(n,o,a){if(E(n,s),!(D(o,s,e)&&D(a,s,i))){var l=F(s,o,a);D(o,l,e,1),D(a,l,i,1);var u=re.dotVec3(e,s);e[0]-=u*s[0],e[1]-=u*s[1],e[2]-=u*s[2],u=re.dotVec3(i,s),i[0]-=u*s[0],i[1]-=u*s[1],i[2]-=u*s[2]}re.normalizeVec3(e),re.normalizeVec3(i),u=re.dotVec3(e,i),u=re.clamp(u,-1,1);var c=Math.acos(u)*re.RADTODEG;re.cross3Vec3(e,i,r),re.dotVec3(r,s)<0&&(c=-c),t._rootNode.rotate(n,c),S()}}(),D=function(){var e=re.vec4([0,0,0,1]),i=re.mat4();return function(r,s,n,o){o=o||0,e[0]=r[0]/g.width*2-1,e[1]=-(r[1]/g.height*2-1),e[2]=0,e[3]=1,re.mulMat4(m.projMatrix,m.viewMatrix,i),re.inverseMat4(i),re.transformVec4(i,e,e),re.mulVec4Scalar(e,1/e[3]);var a=m.eye;re.subVec4(e,a,e);var l=t._sectionPlane.pos,u=-re.dotVec3(l,s)-o,c=re.dotVec3(s,e);if(Math.abs(c)>.005){var A=-(re.dotVec3(s,a)+u)/c;return re.mulVec3Scalar(e,A,n),re.addVec3(n,a),re.subVec3(n,l,n),!0}return!1}}(),S=function(){var e=re.vec3(),i=re.mat4();return function(){t.sectionPlane&&(re.quaternionToMat4(c.quaternion,i),re.transformVec3(i,[0,0,1],e),t._setSectionPlaneDir(e))}}(),T=!1;this._onCameraControlHover=this._viewer.cameraControl.on("hoverEnter",(function(t){if(e._visible&&!T){var c;switch(i=!1,C&&(C.visible=!1),t.entity.id){case e._displayMeshes.xAxisArrowHandle.id:case e._displayMeshes.xAxisHandle.id:c=e._affordanceMeshes.xAxisArrow,A=s;break;case e._displayMeshes.yAxisArrowHandle.id:case e._displayMeshes.yShaftHandle.id:c=e._affordanceMeshes.yAxisArrow,A=n;break;case e._displayMeshes.zAxisArrowHandle.id:case e._displayMeshes.zAxisHandle.id:c=e._affordanceMeshes.zAxisArrow,A=o;break;case e._displayMeshes.xCurveHandle.id:c=e._affordanceMeshes.xHoop,A=a;break;case e._displayMeshes.yCurveHandle.id:c=e._affordanceMeshes.yHoop,A=l;break;case e._displayMeshes.zCurveHandle.id:c=e._affordanceMeshes.zHoop,A=u;break;default:return void(A=r)}c&&(c.visible=!0),C=c,i=!0}})),this._onCameraControlHoverLeave=this._viewer.cameraControl.on("hoverOutEntity",(function(t){e._visible&&(C&&(C.visible=!1),C=null,A=r)})),g.addEventListener("mousedown",this._canvasMouseDownListener=function(t){if(t.preventDefault(),e._visible&&i&&(e._viewer.cameraControl.pointerEnabled=!1,1===t.which)){T=!0;var r=M(t);h=A,d[0]=r[0],d[1]=r[1]}}),g.addEventListener("mousemove",this._canvasMouseMoveListener=function(t){if(e._visible&&T){var i=M(t),r=i[0],c=i[1];switch(h){case s:k(p,d,i);break;case n:k(f,d,i);break;case o:k(v,d,i);break;case a:I(p,d,i);break;case l:I(f,d,i);break;case u:I(v,d,i)}d[0]=r,d[1]=c}}),g.addEventListener("mouseup",this._canvasMouseUpListener=function(t){e._visible&&(e._viewer.cameraControl.pointerEnabled=!0,T&&(t.which,T=!1,i=!1))}),g.addEventListener("wheel",this._canvasWheelListener=function(t){if(e._visible)Math.max(-1,Math.min(1,40*-t.deltaY))})}},{key:"_destroy",value:function(){this._unbindEvents(),this._destroyNodes()}},{key:"_unbindEvents",value:function(){var e=this._viewer,t=e.scene,i=t.canvas.canvas,r=e.camera,s=e.cameraControl;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),r.off(this._onCameraViewMatrix),r.off(this._onCameraProjMatrix),s.off(this._onCameraControlHover),s.off(this._onCameraControlHoverLeave)}},{key:"_destroyNodes",value:function(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}]),e}(),rF=function(){function e(t,i,r){var s=this;B(this,e),this.id=r.id,this._sectionPlane=r,this._mesh=new _n(i,{id:r.id,geometry:new Xi(i,Ji({xSize:.5,ySize:.5,zSize:.001})),material:new $i(i,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new rr(i,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new tr(i,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new tr(i,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});var n=re.vec3([0,0,0]),o=re.vec3(),a=re.vec3([0,0,1]),l=re.vec4(4),u=re.vec3(),c=function(){var e=s._sectionPlane.scene.center,t=[-s._sectionPlane.dir[0],-s._sectionPlane.dir[1],-s._sectionPlane.dir[2]];re.subVec3(e,s._sectionPlane.pos,n);var i=-re.dotVec3(t,n);re.normalizeVec3(t),re.mulVec3Scalar(t,i,o);var r=re.vec3PairToQuaternion(a,s._sectionPlane.dir,l);u[0]=.1*o[0],u[1]=.1*o[1],u[2]=.1*o[2],s._mesh.quaternion=r,s._mesh.position=u};this._onSectionPlanePos=this._sectionPlane.on("pos",c),this._onSectionPlaneDir=this._sectionPlane.on("dir",c),this._highlighted=!1,this._selected=!1}return C(e,[{key:"setHighlighted",value:function(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}},{key:"getHighlighted",value:function(){return this._highlighted}},{key:"setSelected",value:function(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}},{key:"getSelected",value:function(){return this._selected}},{key:"destroy",value:function(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}]),e}(),sF=function(){function e(t,i){var r=this;if(B(this,e),!(i.onHoverEnterPlane&&i.onHoverLeavePlane&&i.onClickedNothing&&i.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=t,this._viewer=t.viewer,this._onHoverEnterPlane=i.onHoverEnterPlane,this._onHoverLeavePlane=i.onHoverLeavePlane,this._onClickedNothing=i.onClickedNothing,this._onClickedPlane=i.onClickedPlane,this._visible=!0,this._planes={},this._canvas=i.overviewCanvas,this._scene=new dr(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Li(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Li(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Li(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;var s=this._scene.camera,n=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),o=re.vec3(),a=re.vec3(),l=re.vec3();this._synchCamera=function(){var e=r._viewer.camera.eye,t=r._viewer.camera.look,i=r._viewer.camera.up;re.mulVec3Scalar(re.normalizeVec3(re.subVec3(e,t,o)),7),r._zUp?(re.transformVec3(n,o,a),re.transformVec3(n,i,l),s.look=[0,0,0],s.eye=re.transformVec3(n,o,a),s.up=re.transformPoint3(n,i,l)):(s.look=[0,0,0],s.eye=o,s.up=i)},this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(function(e){r._scene.camera.perspective.fov=e}));var u=null;this._onInputMouseMove=this._scene.input.on("mousemove",(function(e){var t=r._scene.pick({canvasPos:e});if(t){if(!u||t.entity.id!==u.id){if(u)r._planes[u.id]&&r._onHoverLeavePlane(u.id);u=t.entity,r._planes[u.id]&&r._onHoverEnterPlane(u.id)}}else u&&(r._onHoverLeavePlane(u.id),u=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=function(){u?r._planes[u.id]&&r._onClickedPlane(u.id):r._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=function(){u&&(r._onHoverLeavePlane(u.id),u=null)}),this.setVisible(i.overviewVisible)}return C(e,[{key:"addSectionPlane",value:function(e){this._planes[e.id]=new rF(this,this._scene,e)}},{key:"setPlaneHighlighted",value:function(e,t){var i=this._planes[e];i&&i.setHighlighted(t)}},{key:"setPlaneSelected",value:function(e,t){var i=this._planes[e];i&&i.setSelected(t)}},{key:"removeSectionPlane",value:function(e){var t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}},{key:"getVisible",value:function(){return this._visible}},{key:"destroy",value:function(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}]),e}(),nF=re.AABB3(),oF=re.vec3(),aF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,"SectionPlanes",e))._freeControls=[],r._sectionPlanes=e.scene.sectionPlanes,r._controls={},r._shownControlId=null,null!==s.overviewCanvasId&&void 0!==s.overviewCanvasId){var n=document.getElementById(s.overviewCanvasId);n?r._overview=new sF(b(r),{overviewCanvas:n,visible:s.overviewVisible,onHoverEnterPlane:function(e){r._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:function(e){r._overview.setPlaneHighlighted(e,!1)},onClickedPlane:function(e){if(r.getShownControl()!==e){r.showControl(e);var t=r.sectionPlanes[e].pos;nF.set(r.viewer.scene.aabb),re.getAABB3Center(nF,oF),nF[0]+=t[0]-oF[0],nF[1]+=t[1]-oF[1],nF[2]+=t[2]-oF[2],nF[3]+=t[0]-oF[0],nF[4]+=t[1]-oF[1],nF[5]+=t[2]-oF[2],r.viewer.cameraFlight.flyTo({aabb:nF,fitFOV:65})}else r.hideControl()},onClickedNothing:function(){r.hideControl()}}):r.warn("Can't find overview canvas: '"+s.overviewCanvasId+"' - will create plugin without overview")}return r._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(function(e){r._sectionPlaneCreated(e)})),r}return C(i,[{key:"setOverviewVisible",value:function(e){this._overview&&this._overview.setVisible(e)}},{key:"getOverviewVisible",value:function(){if(this._overview)return this._overview.getVisible()}},{key:"sectionPlanes",get:function(){return this._sectionPlanes}},{key:"createSectionPlane",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=new Cn(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0});return t}},{key:"_sectionPlaneCreated",value:function(e){var t=this,i=this._freeControls.length>0?this._freeControls.pop():new iF(this);i._setSectionPlane(e),i.setVisible(!1),this._controls[e.id]=i,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(function(){t._sectionPlaneDestroyed(e)}))}},{key:"flipSectionPlanes",value:function(){var e=this.viewer.scene.sectionPlanes;for(var t in e){e[t].flipDir()}}},{key:"showControl",value:function(e){var t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}},{key:"getShownControl",value:function(){return this._shownControlId}},{key:"hideControl",value:function(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}},{key:"destroySectionPlane",value:function(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}},{key:"_sectionPlaneDestroyed",value:function(e){this._overview&&this._overview.removeSectionPlane(e);var t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}},{key:"clear",value:function(){for(var e=Object.keys(this._sectionPlanes),t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}},{key:"send",value:function(e,t){switch(e){case"snapshotStarting":for(var i in this._controls)this._controls.hasOwnProperty(i)&&this._controls[i].setCulled(!0);break;case"snapshotFinished":for(var r in this._controls)this._controls.hasOwnProperty(r)&&this._controls[r].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}},{key:"destroy",value:function(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),f(x(i.prototype),"destroy",this).call(this)}},{key:"_destroyFreeControls",value:function(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}]),i}(),lF=C((function e(t,i,r,s,n,o){B(this,e),this.plugin=t,this.storeyId=n,this.modelId=s,this.storeyAABB=r.slice(),this.aabb=this.storeyAABB,this.modelAABB=i.slice(),this.numObjects=o})),uF=C((function e(t,i,r,s,n,o){B(this,e),this.storeyId=t,this.imageData=i,this.format=r,this.width=s,this.height=n})),cF=re.vec3(),AF=re.mat4(),hF="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==",dF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"StoreyViews",e))._objectsMemento=new jd,r._cameraMemento=new Nd,r.storeys={},r._storeysList=null,r.modelStoreys={},r._fitStoreyMaps=!!s.fitStoreyMaps,r._onModelLoaded=r.viewer.scene.on("modelLoaded",(function(e){r._registerModelStoreys(e),r.fire("storeys",r.storeys)})),r}return C(i,[{key:"_registerModelStoreys",value:function(e){var t=this,i=this.viewer,r=i.scene,s=i.metaScene,n=s.metaModels[e],o=r.models[e];if(n&&n.rootMetaObjects)for(var a=n.rootMetaObjects,l=0,u=a.length;l<u;l++)for(var c=a[l].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]),A=0,h=c.length;A<h;A++){var d=c[A],p=s.metaObjects[d].getObjectIDsInSubtree(),f=r.getAABB(p),v=Math.random()>.5?p.length:0,g=new lF(this,o.aabb,f,e,d,v);g._onModelDestroyed=o.once("destroyed",(function(){t._deregisterModelStoreys(e),t.fire("storeys",t.storeys)})),this.storeys[d]=g,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][d]=g}}},{key:"_deregisterModelStoreys",value:function(e){var t=this.modelStoreys[e];if(t){var i=this.viewer.scene;for(var r in t)if(t.hasOwnProperty(r)){var s=t[r],n=i.models[s.modelId];n&&n.off(s._onModelDestroyed),delete this.storeys[r],this._storeysList=null}delete this.modelStoreys[e]}}},{key:"fitStoreyMaps",get:function(){return this._fitStoreyMaps}},{key:"gotoStoreyCamera",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());var r=this.viewer,s=r.scene,n=s.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])t.done&&t.done();else if(o[3]!==o[0]||o[4]!==o[1]||o[5]!==o[2]){var a=re.getAABB3Center(o),l=re.getAABB3Diag(o),u=45,c=Math.abs(l/Math.tan(u*re.DEGTORAD)),A=1.3*l,h=cF;h[0]=a[0]+n.worldUp[0]*c,h[1]=a[1]+n.worldUp[1]*c,h[2]=a[2]+n.worldUp[2]*c;var d=n.worldForward;t.done?r.cameraFlight.flyTo(he.apply(t,{eye:h,look:a,up:d,orthoScale:A}),(function(){t.done()})):(r.cameraFlight.jumpTo(he.apply(t,{eye:h,look:a,up:d,orthoScale:A})),r.camera.ortho.scale=A)}else t.done&&t.done()}},{key:"showStoreyObjects",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(i){var r=this.viewer,s=r.scene,n=r.metaScene,o=n.metaObjects[e];o&&(t.hideOthers&&s.setObjectsVisible(r.scene.visibleObjectIds,!1),this.withStoreyObjects(e,(function(e,t){e&&(e.visible=!0)})))}else this.error("IfcBuildingStorey not found with this ID: "+e)}},{key:"withStoreyObjects",value:function(e,t){var i=this.viewer,r=i.scene,s=i.metaScene,n=s.metaObjects[e];if(n)for(var o=n.getObjectIDsInSubtree(),a=0,l=o.length;a<l;a++){var u=o[a],c=s.metaObjects[u],A=r.objects[u];A&&t(A,c)}}},{key:"createStoreyMap",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),hF;var r,s,n=this.viewer,o=n.scene,a=t.format||"png",l=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,u=Math.abs((l[5]-l[2])/(l[3]-l[0])),c=t.padding||0;t.width&&t.height?(r=t.width,s=t.height):t.height?(s=t.height,r=Math.round(s/u)):t.width?(r=t.width,s=Math.round(r*u)):(r=300,s=Math.round(r*u));var A={visible:!0};this._objectsMemento.saveObjects(o,A),this._cameraMemento.saveCamera(o),this.showStoreyObjects(e,he.apply(t,{hideOthers:!0})),this._arrangeStoreyMapCamera(i);var h=n.getSnapshot({width:r,height:s,format:a});return this._objectsMemento.restoreObjects(o,A),this._cameraMemento.restoreCamera(o),new uF(e,h,a,r,s,c)}},{key:"_arrangeStoreyMapCamera",value:function(e){var t=this.viewer,i=t.scene.camera,r=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,s=re.getAABB3Center(r),n=cF;n[0]=s[0]+.5*i.worldUp[0],n[1]=s[1]+.5*i.worldUp[1],n[2]=s[2]+.5*i.worldUp[2];var o=i.worldForward;t.cameraFlight.jumpTo({eye:n,look:s,up:o});var a=(r[3]-r[0])/2,l=(r[4]-r[1])/2,u=(r[5]-r[2])/2,c=-a,A=+a,h=-l,d=+l,p=-u,f=+u;t.camera.customProjection.matrix=re.orthoMat4c(c,A,p,f,h,d,AF),t.camera.projection="customProjection"}},{key:"pickStoreyMap",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=e.storeyId,s=this.storeys[r];if(!s)return this.error("IfcBuildingStorey not found with this ID: "+r),null;var n=1-t[0]/e.width,o=1-t[1]/e.height,a=this._fitStoreyMaps?s.storeyAABB:s.modelAABB,l=a[0],u=a[1],c=a[2],A=a[3],h=a[4],d=a[5],p=A-l,f=h-u,v=d-c,g=re.vec3([l+p*n,u+.5*f,c+v*o]),m=re.vec3([0,-1,0]),_=re.addVec3(g,m,cF),y=this.viewer.camera.worldForward,b=re.lookAtMat4v(g,_,y,AF),x=this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:b});return x}},{key:"storeyMapToWorldPos",value:function(e,t){var i=e.storeyId,r=this.storeys[i];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+i),null;var s=1-t[0]/e.width,n=1-t[1]/e.height,o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,a=o[0],l=o[1],u=o[2],c=o[3],A=o[4],h=o[5],d=c-a,p=A-l,f=h-u,v=re.vec3([a+d*s,l+.5*p,u+f*n]);return v}},{key:"getStoreyContainingWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys;for(var r in i){var s=i[r];if(re.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return r}return null}},{key:"getStoreyInVerticalRange",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys;for(var r in i){var s=i[r],n=[0,0,0,0,0,0],o=[0,0,0];if(n[1]=s.storeyAABB[1],n[4]=s.storeyAABB[4],o[1]=e[1],re.point3AABB3AbsoluteIntersect(n,o))return r}return null}},{key:"isPositionAboveOrBelowBuilding",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys,r=Object.keys(i);if(r.length<=0)return null;var s=[r[0],r[r.length-1]];return e[1]<i[s[0]].storeyAABB[1]?s[0]:e[1]>i[s[1]].storeyAABB[4]?s[1]:null}},{key:"worldPosToStoreyMap",value:function(e,t,i){var r=e.storeyId,s=this.storeys[r];if(!s)return this.error("IfcBuildingStorey not found with this ID: "+r),!1;var n=this._fitStoreyMaps?s.storeyAABB:s.modelAABB,o=n[0],a=n[1],l=n[2],u=n[3]-o,c=n[4]-a,A=n[5]-l,h=this.viewer.camera.worldUp,d=h[0]>h[1]&&h[0]>h[2],p=!d&&h[1]>h[0]&&h[1]>h[2];!d&&!p&&h[2]>h[0]&&(h[2],h[1]);var f=e.width/u,v=p?e.height/A:e.height/c;return i[0]=Math.floor(e.width-(t[0]-o)*f),i[1]=Math.floor(e.height-(t[2]-l)*v),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}},{key:"worldDirToStoreyMap",value:function(e,t,i){var r=this.viewer.camera,s=r.eye,n=r.look,o=re.subVec3(n,s,cF),a=r.worldUp,l=a[0]>a[1]&&a[0]>a[2],u=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!u&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=o[1],i[1]=o[2]):u?(i[0]=o[0],i[1]=o[2]):(i[0]=o[0],i[1]=o[1]),re.normalizeVec2(i)}},{key:"destroy",value:function(){this.viewer.scene.off(this._onModelLoaded),f(x(i.prototype),"destroy",this).call(this)}},{key:"storeysList",get:function(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}},{key:"_getSpatialSortFunc",value:function(){var e=this,t=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(i,r){var s=0;s=t.xUp?0:t.yUp?1:2;var n=e.viewer.metaScene,o=n.metaObjects[i.storeyId],a=n.metaObjects[r.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&a&&a.attributes&&void 0!==a.attributes.elevation){var l=Number.parseFloat(o.attributes.elevation),u=Number.parseFloat(a.attributes.elevation);return l>u?-1:l<u?1:0}return i.aabb[s]>r.aabb[s]?-1:i.aabb[s]<r.aabb[s]?1:0})}},{key:"_filterStoreys",value:function(e){return Object.fromEntries(Object.entries(this.storeys).filter((function(t){var i=A(t,2);i[0];return i[1].modelId===e})))}}]),i}(),pF=new Float64Array([0,0,1]),fF=new Float64Array(4),vF=function(){function e(t){B(this,e),this.id=null,this._viewer=t.viewer,this._plugin=t,this._visible=!1,this._pos=re.vec3(),this._origin=re.vec3(),this._rtcPos=re.vec3(),this._baseDir=re.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}return C(e,[{key:"_setSectionPlane",value:function(e){var t=this;this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(function(){t._setPos(t._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(function(){t._ignoreNextSectionPlaneDirUpdate?t._ignoreNextSectionPlaneDirUpdate=!1:t._setDir(t._sectionPlane.dir)})))}},{key:"sectionPlane",get:function(){return this._sectionPlane}},{key:"_setPos",value:function(e){this._pos.set(e),je(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}},{key:"_setDir",value:function(e){this._baseDir.set(e),this._rootNode.quaternion=re.vec3PairToQuaternion(pF,e,fF)}},{key:"_setSectionPlaneDir",value:function(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}},{key:"getVisible",value:function(){return this._visible}},{key:"setCulled",value:function(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}},{key:"_createNodes",value:function(){var e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Rn(t,{position:[0,0,0],scale:[5,5,5]});var r=this._rootNode,s={arrowHead:new Xi(r,bn({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new Xi(r,bn({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new Xi(r,bn({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},n={red:new $i(r,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new $i(r,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new $i(r,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new tr(r,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:r.addChild(new _n(r,{geometry:new Xi(r,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new $i(r,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:r.addChild(new _n(r,{geometry:new Xi(r,co({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new $i(r,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:r.addChild(new _n(r,{geometry:new Xi(r,xn({radius:.05})),material:n.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:r.addChild(new _n(r,{geometry:s.arrowHead,material:n.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:r.addChild(new _n(r,{geometry:s.axis,material:n.blue,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:r.addChild(new _n(r,{geometry:new Xi(r,co({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new $i(r,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new tr(r,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:r.addChild(new _n(r,{geometry:s.arrowHeadBig,material:n.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}},{key:"_bindEvents",value:function(){var e=this,t=this._rootNode,i=re.vec2(),r=this._viewer.camera,s=this._viewer.scene,n=0,o=!1,a=re.vec3([0,0,0]),l=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(function(){})),this._onCameraProjMatrix=s.camera.on("projMatrix",(function(){})),this._onSceneTick=s.on("tick",(function(){o=!1;var i=Math.abs(re.lenVec3(re.subVec3(s.camera.eye,e._pos,a)));if(i!==l&&"perspective"===r.projection){var u=.07*(Math.tan(r.perspective.fov*re.DEGTORAD)*i);t.scale=[u,u,u],l=i}if("ortho"===r.projection){var A=r.ortho.scale/10;t.scale=[A,A,A],l=i}0!==n&&(c(n),n=0)}));var u=function(){var e=new Float64Array(2);return function(t){if(t){for(var i=t.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-r,e[1]=t.pageY-s}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),c=function(t){var i=e._sectionPlane.pos,r=e._sectionPlane.dir;re.addVec3(i,re.mulVec3Scalar(r,.1*t*e._plugin.getDragSensitivity(),re.vec3())),e._sectionPlane.pos=i},A=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=function(t){if(t.preventDefault(),e._visible&&(e._viewer.cameraControl.pointerEnabled=!1,1===t.which)){A=!0;var r=u(t);i[0]=r[0],i[1]=r[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=function(t){if(e._visible&&A&&!o){var r=u(t),s=r[0],n=r[1];c(n-i[1]),i[0]=s,i[1]=n}}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=function(t){e._visible&&(e._viewer.cameraControl.pointerEnabled=!0,A&&(t.which,A=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=function(t){e._visible&&(n+=Math.max(-1,Math.min(1,40*-t.deltaY)))});var h,d,p=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(h=t.touches[0].clientY,p=h,n=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(o||(o=!0,d=t.touches[0].clientY,null!==p&&(n+=d-p),p=d))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(h=null,d=null,n=0)})}},{key:"_destroy",value:function(){this._unbindEvents(),this._destroyNodes()}},{key:"_unbindEvents",value:function(){var e=this._viewer,t=e.scene,i=t.canvas.canvas,r=e.camera,s=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),s.removeEventListener("touchstart",this._handleTouchStart),s.removeEventListener("touchmove",this._handleTouchMove),s.removeEventListener("touchend",this._handleTouchEnd),r.off(this._onCameraViewMatrix),r.off(this._onCameraProjMatrix)}},{key:"_destroyNodes",value:function(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}]),e}(),gF=function(){function e(t,i,r){var s=this;B(this,e),this.id=r.id,this._sectionPlane=r,this._mesh=new _n(i,{id:r.id,geometry:new Xi(i,Ji({xSize:.5,ySize:.5,zSize:.001})),material:new $i(i,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new rr(i,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new tr(i,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new tr(i,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});var n=re.vec3([0,0,0]),o=re.vec3(),a=re.vec3([0,0,1]),l=re.vec4(4),u=re.vec3(),c=function(){var e=s._sectionPlane.scene.center,t=[-s._sectionPlane.dir[0],-s._sectionPlane.dir[1],-s._sectionPlane.dir[2]];re.subVec3(e,s._sectionPlane.pos,n);var i=-re.dotVec3(t,n);re.normalizeVec3(t),re.mulVec3Scalar(t,i,o);var r=re.vec3PairToQuaternion(a,s._sectionPlane.dir,l);u[0]=.1*o[0],u[1]=.1*o[1],u[2]=.1*o[2],s._mesh.quaternion=r,s._mesh.position=u};this._onSectionPlanePos=this._sectionPlane.on("pos",c),this._onSectionPlaneDir=this._sectionPlane.on("dir",c),this._highlighted=!1,this._selected=!1}return C(e,[{key:"setHighlighted",value:function(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}},{key:"getHighlighted",value:function(){return this._highlighted}},{key:"setSelected",value:function(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}},{key:"getSelected",value:function(){return this._selected}},{key:"destroy",value:function(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}]),e}(),mF=function(){function e(t,i){var r=this;if(B(this,e),!(i.onHoverEnterPlane&&i.onHoverLeavePlane&&i.onClickedNothing&&i.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=t,this._viewer=t.viewer,this._onHoverEnterPlane=i.onHoverEnterPlane,this._onHoverLeavePlane=i.onHoverLeavePlane,this._onClickedNothing=i.onClickedNothing,this._onClickedPlane=i.onClickedPlane,this._visible=!0,this._planes={},this._canvas=i.overviewCanvas,this._scene=new dr(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Li(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Li(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Li(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;var s=this._scene.camera,n=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),o=re.vec3(),a=re.vec3(),l=re.vec3();this._synchCamera=function(){var e=r._viewer.camera.eye,t=r._viewer.camera.look,i=r._viewer.camera.up;re.mulVec3Scalar(re.normalizeVec3(re.subVec3(e,t,o)),7),r._zUp?(re.transformVec3(n,o,a),re.transformVec3(n,i,l),s.look=[0,0,0],s.eye=re.transformVec3(n,o,a),s.up=re.transformPoint3(n,i,l)):(s.look=[0,0,0],s.eye=o,s.up=i)},this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(function(e){r._scene.camera.perspective.fov=e}));var u=null;this._onInputMouseMove=this._scene.input.on("mousemove",(function(e){var t=r._scene.pick({canvasPos:e});if(t){if(!u||t.entity.id!==u.id){if(u)r._planes[u.id]&&r._onHoverLeavePlane(u.id);u=t.entity,r._planes[u.id]&&r._onHoverEnterPlane(u.id)}}else u&&(r._onHoverLeavePlane(u.id),u=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=function(){u?r._planes[u.id]&&r._onClickedPlane(u.id):r._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=function(){u&&(r._onHoverLeavePlane(u.id),u=null)}),this.setVisible(i.overviewVisible)}return C(e,[{key:"addSectionPlane",value:function(e){this._planes[e.id]=new gF(this,this._scene,e)}},{key:"setPlaneHighlighted",value:function(e,t){var i=this._planes[e];i&&i.setHighlighted(t)}},{key:"setPlaneSelected",value:function(e,t){var i=this._planes[e];i&&i.setSelected(t)}},{key:"removeSectionPlane",value:function(e){var t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}},{key:"getVisible",value:function(){return this._visible}},{key:"destroy",value:function(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}]),e}(),_F=re.AABB3(),yF=re.vec3(),bF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,"FaceAlignedSectionPlanesPlugin",e))._freeControls=[],r._sectionPlanes=e.scene.sectionPlanes,r._controls={},r._shownControlId=null,r._dragSensitivity=s.dragSensitivity||1,null!==s.overviewCanvasId&&void 0!==s.overviewCanvasId){var n=document.getElementById(s.overviewCanvasId);n?r._overview=new mF(b(r),{overviewCanvas:n,visible:s.overviewVisible,onHoverEnterPlane:function(e){r._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:function(e){r._overview.setPlaneHighlighted(e,!1)},onClickedPlane:function(e){if(r.getShownControl()!==e){r.showControl(e);var t=r.sectionPlanes[e].pos;_F.set(r.viewer.scene.aabb),re.getAABB3Center(_F,yF),_F[0]+=t[0]-yF[0],_F[1]+=t[1]-yF[1],_F[2]+=t[2]-yF[2],_F[3]+=t[0]-yF[0],_F[4]+=t[1]-yF[1],_F[5]+=t[2]-yF[2],r.viewer.cameraFlight.flyTo({aabb:_F,fitFOV:65})}else r.hideControl()},onClickedNothing:function(){r.hideControl()}}):r.warn("Can't find overview canvas: '"+s.overviewCanvasId+"' - will create plugin without overview")}return null===s.controlElementId||void 0===s.controlElementId?r.error("Parameter expected: controlElementId"):(r._controlElement=document.getElementById(s.controlElementId),r._controlElement||r.warn("Can't find control element: '"+s.controlElementId+"' - will create plugin without control element")),r._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(function(e){r._sectionPlaneCreated(e)})),r}return C(i,[{key:"setDragSensitivity",value:function(e){this._dragSensitivity=e||1}},{key:"getDragSensitivity",value:function(){return this._dragSensitivity}},{key:"setOverviewVisible",value:function(e){this._overview&&this._overview.setVisible(e)}},{key:"getOverviewVisible",value:function(){if(this._overview)return this._overview.getVisible()}},{key:"sectionPlanes",get:function(){return this._sectionPlanes}},{key:"createSectionPlane",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=new Cn(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0});return t}},{key:"_sectionPlaneCreated",value:function(e){var t=this,i=this._freeControls.length>0?this._freeControls.pop():new vF(this);i._setSectionPlane(e),i.setVisible(!1),this._controls[e.id]=i,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(function(){t._sectionPlaneDestroyed(e)}))}},{key:"flipSectionPlanes",value:function(){var e=this.viewer.scene.sectionPlanes;for(var t in e){e[t].flipDir()}}},{key:"showControl",value:function(e){var t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}},{key:"getShownControl",value:function(){return this._shownControlId}},{key:"hideControl",value:function(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}},{key:"destroySectionPlane",value:function(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}},{key:"_sectionPlaneDestroyed",value:function(e){this._overview&&this._overview.removeSectionPlane(e);var t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}},{key:"clear",value:function(){for(var e=Object.keys(this._sectionPlanes),t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}},{key:"send",value:function(e,t){switch(e){case"snapshotStarting":for(var i in this._controls)this._controls.hasOwnProperty(i)&&this._controls[i].setCulled(!0);break;case"snapshotFinished":for(var r in this._controls)this._controls.hasOwnProperty(r)&&this._controls[r].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}},{key:"destroy",value:function(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),f(x(i.prototype),"destroy",this).call(this)}},{key:"_destroyFreeControls",value:function(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}]),i}(),xF=function(e){g(i,Ue);var t=_(i);function i(e){var r;return B(this,i),(r=t.call(this,"skyboxes",e)).skyboxes={},r}return C(i,[{key:"send",value:function(e,t){if("clear"===e)this.clear()}},{key:"createSkybox",value:function(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new Xd(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}},{key:"destroySkybox",value:function(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"clear",this).call(this)}}]),i}(),wF=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getSTL",value:function(e,t,i){e=this._cacheBusterURL(e);var r=new XMLHttpRequest;r.overrideMimeType("application/json"),r.open("GET",e,!0),r.responseType="arraybuffer",r.onreadystatechange=function(){4===r.readyState&&(200===r.status?t(r.response):i(r.statusText))},r.send(null)}}]),e}(),BF=re.vec3(),PF=function(){function e(){B(this,e)}return C(e,[{key:"load",value:function(e,t,i,r,s,n){r=r||{};var o=e.viewer.scene.canvas.spinner;o.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,r){try{var s=IF(i);CF(s)?MF(e,s,t,r):EF(e,kF(i),t,r)}catch(e){t.fire("error",e)}}(e,t,i,r);try{var a=IF(i);CF(a)?MF(e,a,t,r):EF(e,kF(i),t,r),o.processes--,we.scheduleTask((function(){t.fire("loaded",!0,!1)})),s&&s()}catch(i){o.processes--,e.error(i),n&&n(i),t.fire("error",i)}}),(function(i){o.processes--,e.error(i),n&&n(i),t.fire("error",i)}))}},{key:"parse",value:function(e,t,i,r){var s=e.viewer.scene.canvas.spinner;s.processes++;try{var n=IF(i);CF(n)?MF(e,n,t,r):EF(e,kF(i),t,r),s.processes--,we.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){s.processes--,t.fire("error",e)}}}]),e}();function CF(e){var t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;for(var i=[115,111,108,105,100],r=0;r<5;r++)if(i[r]!==t.getUint8(r,!1))return!0;return!1}function MF(e,t,i,r){for(var s,n,o,a,l,u,c,A=new DataView(t),h=A.getUint32(80,!0),d=!1,p=null,f=null,v=null,g=!1,m=0;m<70;m++)1129270351===A.getUint32(m,!1)&&82===A.getUint8(m+4)&&61===A.getUint8(m+5)&&(d=!0,a=[],l=A.getUint8(m+6)/255,u=A.getUint8(m+7)/255,c=A.getUint8(m+8)/255,A.getUint8(m+9));for(var _=new Qn(i,{roughness:.5}),y=[],b=[],x=r.splitMeshes,w=0;w<h;w++){var B=84+50*w,P=A.getFloat32(B,!0),C=A.getFloat32(B+4,!0),M=A.getFloat32(B+8,!0);if(d){var E=A.getUint16(B+48,!0);0==(32768&E)?(s=(31&E)/31,n=(E>>5&31)/31,o=(E>>10&31)/31):(s=l,n=u,o=c),(x&&s!==p||n!==f||o!==v)&&(null!==p&&(g=!0),p=s,f=n,v=o)}for(var F=1;F<=3;F++){var k=B+12*F;y.push(A.getFloat32(k,!0)),y.push(A.getFloat32(k+4,!0)),y.push(A.getFloat32(k+8,!0)),b.push(P,C,M),d&&a.push(s,n,o,1)}x&&g&&(FF(i,y,b,a,_,r),y=[],b=[],a=a?[]:null,g=!1)}y.length>0&&FF(i,y,b,a,_,r)}function EF(e,t,i,r){for(var s,n,o,a,l,u,c,A=/facet([\s\S]*?)endfacet/g,h=0,d=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,p=new RegExp("vertex"+d+d+d,"g"),f=new RegExp("normal"+d+d+d,"g"),v=[],g=[];null!==(a=A.exec(t));){for(l=0,u=0,c=a[0];null!==(a=f.exec(c));)s=parseFloat(a[1]),n=parseFloat(a[2]),o=parseFloat(a[3]),u++;for(;null!==(a=p.exec(c));)v.push(parseFloat(a[1]),parseFloat(a[2]),parseFloat(a[3])),g.push(s,n,o),l++;1!==u&&e.error("Error in normal of face "+h),3!==l&&e.error("Error in positions of face "+h),h++}FF(i,v,g,null,new Qn(i,{roughness:.5}),r)}function FF(e,t,i,r,s,n){for(var o=new Int32Array(t.length/3),a=0,l=o.length;a<l;a++)o[a]=a;i=i&&i.length>0?i:null,r=r&&r.length>0?r:null,n.smoothNormals&&re.faceToVertexNormals(t,i,n);var u=BF;Ge(t,t,u);var c=new Xi(e,{primitive:"triangles",positions:t,normals:i,colors:r,indices:o}),A=new _n(e,{origin:0!==u[0]||0!==u[1]||0!==u[2]?u:null,geometry:c,material:s,edges:n.edges});e.addChild(A)}function kF(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);for(var t="",i=0,r=e.length;i<r;i++)t+=String.fromCharCode(e[i]);return decodeURIComponent(escape(t))}(new Uint8Array(e)):e}function IF(e){if("string"==typeof e){for(var t=new Uint8Array(e.length),i=0;i<e.length;i++)t[i]=255&e.charCodeAt(i);return t.buffer||t}return e}var DF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"STLLoader",e,s))._sceneGraphLoader=new PF,r.dataSource=s.dataSource,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new wF}},{key:"load",value:function(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new Rn(this.viewer.scene,he.apply(e,{isModel:!0})),i=e.src,r=e.stl;return i||r?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,r,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}}]),i}(),SF=function(){function e(){B(this,e)}return C(e,[{key:"createRootNode",value:function(){return document.createElement("ul")}},{key:"createNodeElement",value:function(e,t,i,r,s){var n=document.createElement("li");if(n.id=e.nodeId,e.xrayed&&n.classList.add("xrayed-node"),e.children.length>0){var o=document.createElement("a");o.href="#",o.id="switch-".concat(e.nodeId),o.textContent="+",o.classList.add("plus"),t&&o.addEventListener("click",t),n.appendChild(o)}var a=document.createElement("input");a.id="checkbox-".concat(e.nodeId),a.type="checkbox",a.checked=e.checked,a.style["pointer-events"]="all",i&&a.addEventListener("change",i),n.appendChild(a);var l=document.createElement("span");return l.textContent=e.title,n.appendChild(l),r&&(l.oncontextmenu=r),s&&(l.onclick=s),n}},{key:"createDisabledNodeElement",value:function(e){var t=document.createElement("li"),i=document.createElement("a");i.href="#",i.textContent="!",i.classList.add("warn"),i.classList.add("warning"),t.appendChild(i);var r=document.createElement("span");return r.textContent=e,t.appendChild(r),t}},{key:"addChildren",value:function(e,t){var i=document.createElement("ul");t.forEach((function(e){i.appendChild(e)})),e.parentElement.appendChild(i)}},{key:"expand",value:function(e,t,i){e.classList.remove("plus"),e.classList.add("minus"),e.textContent="-",e.removeEventListener("click",t),e.addEventListener("click",i)}},{key:"collapse",value:function(e,t,i){if(e){var r=e.parentElement;if(r){var s=r.querySelector("ul");s&&(r.removeChild(s),e.classList.remove("minus"),e.classList.add("plus"),e.textContent="+",e.removeEventListener("click",i),e.addEventListener("click",t))}}}},{key:"isExpanded",value:function(e){return void 0!==e.parentElement.getElementsByTagName("li")[0]}},{key:"getId",value:function(e){return e.parentElement.id}},{key:"getIdFromCheckbox",value:function(e){return e.id.replace("checkbox-","")}},{key:"getSwitchElement",value:function(e){return document.getElementById("switch-".concat(e))}},{key:"isChecked",value:function(e){return e.checked}},{key:"setCheckbox",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=document.getElementById("checkbox-".concat(e));r&&(t!==r.checked&&(r.checked=t),i!==r.indeterminate&&(r.indeterminate=i,i&&(r.checked=!1)))}},{key:"setXRayed",value:function(e,t){var i=document.getElementById(e);i&&(t?i.classList.add("xrayed-node"):i.classList.remove("xrayed-node"))}},{key:"setHighlighted",value:function(e,t){var i=document.getElementById(e);i&&(t?(i.scrollIntoView({block:"center"}),i.classList.add("highlighted-node")):i.classList.remove("highlighted-node"))}}]),e}(),TF=[],LF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(s=t.call(this,"TreeViewPlugin",e)).errors=[],s.valid=!0;var o=n.containerElement||document.getElementById(n.containerElementId);if(!(o instanceof HTMLElement))return s.error("Mandatory config expected: valid containerElementId or containerElement"),y(s);for(var a=0;;a++)if(!TF[a]){TF[a]=b(s),s._index=a,s._id="tree-".concat(a);break}if(s._containerElement=o,s._metaModels={},s._autoAddModels=!1!==n.autoAddModels,s._autoExpandDepth=n.autoExpandDepth||0,s._sortNodes=!1!==n.sortNodes,s._viewer=e,s._rootElement=null,s._muteSceneEvents=!1,s._muteTreeEvents=!1,s._rootNodes=[],s._objectNodes={},s._nodeNodes={},s._rootNames={},s._sortNodes=n.sortNodes,s._pruneEmptyNodes=n.pruneEmptyNodes,s._showListItemElementId=null,s._renderService=n.renderService||new SF,s._showIndeterminate=null!==(r=n.showIndeterminate)&&void 0!==r&&r,!s._renderService)throw new Error("TreeViewPlugin: no render service set");if(s._containerElement.oncontextmenu=function(e){e.preventDefault()},s._onObjectVisibility=s._viewer.scene.on("objectVisibility",(function(e){if(!s._muteSceneEvents){var t=e.id,i=s._objectNodes[t];if(i){var r=e.visible;if(r!==i.checked){s._muteTreeEvents=!0,i.checked=r,r?i.numVisibleEntities++:i.numVisibleEntities--,s._renderService.setCheckbox(i.nodeId,r);for(var n=i.parent;n;){n.checked=r,r?n.numVisibleEntities++:n.numVisibleEntities--;var o=s._showIndeterminate&&n.numVisibleEntities>0&&n.numVisibleEntities<n.numEntities;s._renderService.setCheckbox(n.nodeId,n.numVisibleEntities>0,o),n=n.parent}s._muteTreeEvents=!1}}}})),s._onObjectXrayed=s._viewer.scene.on("objectXRayed",(function(e){if(!s._muteSceneEvents){var t=e.id,i=s._objectNodes[t];if(i){s._muteTreeEvents=!0;var r=e.xrayed;r!==i.xrayed&&(i.xrayed=r,s._renderService.setXRayed(i.nodeId,r),s._muteTreeEvents=!1)}}})),s._switchExpandHandler=function(e){e.preventDefault(),e.stopPropagation();var t=e.target;s._expandSwitchElement(t)},s._switchCollapseHandler=function(e){e.preventDefault(),e.stopPropagation();var t=e.target;s._collapseSwitchElement(t)},s._checkboxChangeHandler=function(e){if(!s._muteTreeEvents){s._muteSceneEvents=!0;var t=e.target,i=s._renderService.isChecked(t),r=s._renderService.getIdFromCheckbox(t),n=s._nodeNodes[r],o=s._viewer.scene.objects,a=0;s._withNodeTree(n,(function(e){var t=e.objectId,r=o[t],n=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,n&&i!==e.checked&&a++,e.checked=i,s._renderService.setCheckbox(e.nodeId,i),r&&(r.visible=i)}));for(var l=n.parent;l;){l.checked=i,i?l.numVisibleEntities+=a:l.numVisibleEntities-=a;var u=s._showIndeterminate&&l.numVisibleEntities>0&&l.numVisibleEntities<l.numEntities;s._renderService.setCheckbox(l.nodeId,l.numVisibleEntities>0,u),l=l.parent}s._muteSceneEvents=!1}},s._hierarchy=n.hierarchy||"containment",s._autoExpandDepth=n.autoExpandDepth||0,s._autoAddModels){for(var l=Object.keys(s.viewer.metaScene.metaModels),u=0,c=l.length;u<c;u++){var A=l[u],h=s.viewer.metaScene.metaModels[A];h.finalized&&s.addModel(A)}s.viewer.scene.on("modelLoaded",(function(e){s.viewer.metaScene.metaModels[e]&&s.addModel(e)}))}return s.hierarchy=n.hierarchy,s}return C(i,[{key:"hierarchy",get:function(){return this._hierarchy},set:function(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}},{key:"addModel",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this._containerElement){var r=this.viewer.scene.models[e];if(!r)throw"Model not found: "+e;var s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,i&&i.rootName&&(this._rootNames[e]=i.rootName),r.on("destroyed",(function(){t.removeModel(r.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}}},{key:"removeModel",value:function(e){this._containerElement&&(this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes()))}},{key:"showNode",value:function(e){this.unShowNode();var t=this._objectNodes[e];if(t){this.collapse();var i=t.nodeId,r=this._renderService.getSwitchElement(i);if(r)return this._expandSwitchElement(r),r.scrollIntoView(),!0;var s=[];s.unshift(t);for(var n=t.parent;n;)s.unshift(n),n=n.parent;for(var o=0,a=s.length;o<a;o++){var l=this._renderService.getSwitchElement(s[o].nodeId);l&&this._expandSwitchElement(l)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}}},{key:"unShowNode",value:function(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}},{key:"expandToDepth",value:function(e){var t=this;this.collapse();for(var i=function i(r,s){if(s!==e){var n=t._renderService.getSwitchElement(r.nodeId);if(n){t._expandSwitchElement(n);for(var o=r.children,a=0,l=o.length;a<l;a++){i(o[a],s+1)}}}},r=0,s=this._rootNodes.length;r<s;r++){i(this._rootNodes[r],0)}}},{key:"collapse",value:function(){for(var e=0,t=this._rootNodes.length;e<t;e++){var i=this._rootNodes[e].nodeId;this._collapseNode(i)}}},{key:"withNodeTree",value:function(e,t){t(e);var i=e.children;if(i)for(var r=0,s=i.length;r<s;r++)this.withNodeTree(i[r],t)}},{key:"destroy",value:function(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete TF[this._index],f(x(i.prototype),"destroy",this).call(this))}},{key:"_createNodes",value:function(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}},{key:"_validate",value:function(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}},{key:"_validateMetaModelForStoreysHierarchy",value:function(){return!0}},{key:"_createEnabledNodes",value:function(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}},{key:"_createDisabledNodes",value:function(){var e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);var t=this._viewer.metaScene.rootMetaObjects;for(var i in t){var r=t[i],s=r.type,n=r.name,o=n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s,a=this._renderService.createDisabledNodeElement(o);e.appendChild(a)}}},{key:"_findEmptyNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._findEmptyNodes2(e[t])}},{key:"_findEmptyNodes2",value:function(e){var t=this.viewer,i=t.scene,r=e.children,s=e.id,n=i.objects[s];if(e._countEntities=0,n&&e._countEntities++,r)for(var o=0,a=r.length;o<a;o++){var l=r[o];l._countEntities=this._findEmptyNodes2(l),e._countEntities+=l._countEntities}return e._countEntities}},{key:"_createStoreysNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createStoreysNodes2(e[t],null,null,null)}},{key:"_createStoreysNodes2",value:function(e,t,i,r){if(!this._pruneEmptyNodes||0!==e._countEntities){var s=e.type,n=e.name,o=e.children,a=e.id;if("IfcBuilding"===s)t={nodeId:"".concat(this._id,"-").concat(a),objectId:a,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s),type:s,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuildingStorey"===s){if(!t)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");i={nodeId:"".concat(this._id,"-").concat(a),objectId:a,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s,type:s,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i,r={}}else{if(i)if(this._viewer.scene.objects[a]){var l=(r=r||{})[s];l||(l={nodeId:"".concat(this._id,"-").concat(i.objectId,"-").concat(s),objectId:"".concat(i.objectId,"-").concat(s),title:s,type:s,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(l),this._objectNodes[l.objectId]=l,this._nodeNodes[l.nodeId]=l,r[s]=l);var u={nodeId:"".concat(this._id,"-").concat(a),objectId:a,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s,type:s,parent:l,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};l.children.push(u),this._objectNodes[u.objectId]=u,this._nodeNodes[u.nodeId]=u}}if(o)for(var c=0,A=o.length;c<A;c++){var h=o[c];this._createStoreysNodes2(h,t,i,r)}}}},{key:"_createTypesNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createTypesNodes2(e[t],null,null)}},{key:"_createTypesNodes2",value:function(e,t,i){if(!this._pruneEmptyNodes||0!==e._countEntities){var r=e.type,s=e.name,n=e.children,o=e.id;if(e.parent){if(t)if(this._viewer.scene.objects[o]){var a=i[r];a||(a={nodeId:"".concat(this._id,"-").concat(t.objectId,"-").concat(r),objectId:"".concat(t.objectId,"-").concat(r),title:r,type:r,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(a),this._objectNodes[a.objectId]=a,this._nodeNodes[a.nodeId]=a,i[r]=a);var l={nodeId:"".concat(this._id,"-").concat(o),objectId:o,title:s&&""!==s&&"Default"!==s?s:r,type:r,parent:a,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};a.children.push(l),this._objectNodes[l.objectId]=l,this._nodeNodes[l.nodeId]=l}}else t={nodeId:"".concat(this._id,"-").concat(o),objectId:o,title:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||(s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:r),type:r,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(n)for(var u=0,c=n.length;u<c;u++){var A=n[u];this._createTypesNodes2(A,t,i)}}}},{key:"_createContainmentNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createContainmentNodes2(e[t],null)}},{key:"_createContainmentNodes2",value:function(e,t){if(!this._pruneEmptyNodes||0!==e._countEntities){var i=e.type,r=e.name||i,s=e.children,n=e.id,o={nodeId:"".concat(this._id,"-").concat(n),objectId:n,title:t?r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:i:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||r,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(o):this._rootNodes.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o,s)for(var a=0,l=s.length;a<l;a++){var u=s[a];this._createContainmentNodes2(u,o)}}}},{key:"_doSortNodes",value:function(){for(var e=0,t=this._rootNodes.length;e<t;e++){var i=this._rootNodes[e];this._sortChildren(i)}}},{key:"_sortChildren",value:function(e){var t=e.children;if(t&&0!==t.length){var i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?t.sort(this._alphaSortFunc):t.sort(this._getSpatialSortFunc());for(var r=0,s=t.length;r<s;r++){var n=t[r];this._sortChildren(n)}}}},{key:"_getSpatialSortFunc",value:function(){var e=this,t=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(i,r){t.xUp||t.yUp;var s=e.viewer.metaScene,n=s.metaObjects[i.objectId],o=s.metaObjects[r.objectId];if(n&&n.attributes&&void 0!==n.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){var a=Number.parseFloat(n.attributes.elevation),l=Number.parseFloat(o.attributes.elevation);return a>l?-1:a<l?1:0}return 0})}},{key:"_alphaSortFunc",value:function(e,t){var i=e.title.toUpperCase(),r=t.title.toUpperCase();return i<r?-1:i>r?1:0}},{key:"_synchNodesToEntities",value:function(){for(var e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects,r=0,s=e.length;r<s;r++){var n=e[r];if(t[n]){var o=this._objectNodes[n];if(o){var a=i[n];if(a){var l=a.visible;o.numEntities=1,o.xrayed=a.xrayed,l?(o.numVisibleEntities=1,o.checked=!0):(o.numVisibleEntities=0,o.checked=!1);for(var u=o.parent;u;)u.numEntities++,l&&(u.numVisibleEntities++,u.checked=!0),u=u.parent}}}}}},{key:"_withNodeTree",value:function(e,t){t(e);var i=e.children;if(i)for(var r=0,s=i.length;r<s;r++)this._withNodeTree(i[r],t)}},{key:"_createTrees",value:function(){var e=this;if(0!==this._rootNodes.length){var t=this._rootNodes.map((function(t){return e._createNodeElement(t)})),i=this._renderService.createRootNode();t.forEach((function(e){i.appendChild(e)})),this._containerElement.appendChild(i),this._rootElement=i}}},{key:"_createNodeElement",value:function(e){var t=this;return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(function(i){t.fire("contextmenu",{event:i,viewer:t._viewer,treeViewPlugin:t,treeViewNode:e}),i.preventDefault()}),(function(i){t.fire("nodeTitleClicked",{event:i,viewer:t._viewer,treeViewPlugin:t,treeViewNode:e}),i.preventDefault()}))}},{key:"_expandSwitchElement",value:function(e){var t=this;if(!this._renderService.isExpanded(e)){var i=this._renderService.getId(e),r=this._nodeNodes[i].children.map((function(e){return t._createNodeElement(e)}));this._renderService.addChildren(e,r),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}}},{key:"_collapseNode",value:function(e){var t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}},{key:"_collapseSwitchElement",value:function(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}}]),i}(),RF=function(){function e(t){var i=this;B(this,e),this._scene=t,this._objects=[],this._objectsViewCulled=[],this._objectsDetailCulled=[],this._objectsChanged=[],this._objectsChangedList=[],this._modelInfos={},this._numObjects=0,this._lenObjectsChangedList=0,this._dirty=!0,this._onModelLoaded=t.on("modelLoaded",(function(e){var r=t.models[e];r&&i._addModel(r)})),this._onTick=t.on("tick",(function(){i._dirty&&i._build(),i._applyChanges()}))}return C(e,[{key:"_addModel",value:function(e){var t=this,i={model:e,onDestroyed:e.on("destroyed",(function(){t._removeModel(e)}))};this._modelInfos[e.id]=i,this._dirty=!0}},{key:"_removeModel",value:function(e){var t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._dirty=!0)}},{key:"_build",value:function(){if(this._dirty){this._applyChanges();for(var e=this._scene.objects,t=0;t<this._numObjects;t++)this._objects[t]=null;for(var i in this._numObjects=0,e){var r=e[i];this._objects[this._numObjects++]=r}this._lenObjectsChangedList=0,this._dirty=!1}}},{key:"_applyChanges",value:function(){if(this._lenObjectsChangedList>0){for(var e=0;e<this._lenObjectsChangedList;e++){var t=this._objectsChangedList[e],i=this._objects[t],r=this._objectsViewCulled[t],s=this._objectsDetailCulled[t],n=r||s;i.culled=n,this._objectsChanged[t]=!1}this._lenObjectsChangedList=0}}},{key:"objects",get:function(){return this._dirty&&this._build(),this._objects}},{key:"numObjects",get:function(){return this._dirty&&this._build(),this._numObjects}},{key:"setObjectViewCulled",value:function(e,t){this._dirty&&this._build(),this._objectsViewCulled[e]!==t&&(this._objectsViewCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}},{key:"setObjectDetailCulled",value:function(e,t){this._dirty&&this._build(),this._objectsDetailCulled[e]!==t&&(this._objectsDetailCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}},{key:"_destroy",value:function(){this._clear(),this._scene.off(this._onModelLoaded),this._scene.off(this._onTick)}},{key:"_clear",value:function(){for(var e in this._modelInfos){var t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._dirty=!0}}]),e}(),UF={};function OF(e){var t=e.id,i=UF[t];return i||(i=new RF(e),UF[t]=i,e.on("destroyed",(function(){delete UF[t],i._destroy()}))),i}var NF=new Float32Array(3),QF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"ViewCull",e))._objectCullStates=OF(e.scene),r._maxTreeDepth=s.maxTreeDepth||8,r._modelInfos={},r._frustum=new Ie,r._kdRoot=null,r._frustumDirty=!1,r._kdTreeDirty=!1,r._onViewMatrix=e.scene.camera.on("viewMatrix",(function(){r._frustumDirty=!0})),r._onProjMatrix=e.scene.camera.on("projMatMatrix",(function(){r._frustumDirty=!0})),r._onModelLoaded=e.scene.on("modelLoaded",(function(e){var t=r.viewer.scene.models[e];t&&r._addModel(t)})),r._onSceneTick=e.scene.on("tick",(function(){r._doCull()})),r}return C(i,[{key:"enabled",get:function(){return this._enabled},set:function(e){this._enabled=e}},{key:"_addModel",value:function(e){var t=this,i={model:e,onDestroyed:e.on("destroyed",(function(){t._removeModel(e)}))};this._modelInfos[e.id]=i,this._kdTreeDirty=!0}},{key:"_removeModel",value:function(e){var t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._kdTreeDirty=!0)}},{key:"_doCull",value:function(){var e=this._frustumDirty||this._kdTreeDirty;if(this._frustumDirty&&this._buildFrustum(),this._kdTreeDirty&&this._buildKDTree(),e){var t=this._kdRoot;t&&this._visitKDNode(t)}}},{key:"_buildFrustum",value:function(){var e=this.viewer.scene.camera;De(this._frustum,e.viewMatrix,e.projMatrix),this._frustumDirty=!1}},{key:"_buildKDTree",value:function(){var e=this.viewer.scene;this._kdRoot,this._kdRoot={aabb:e.getAABB(),intersection:Ie.INTERSECT};for(var t=0,i=this._objectCullStates.numObjects;t<i;t++){var r=this._objectCullStates.objects[t];this._insertEntityIntoKDTree(this._kdRoot,r,t,1)}this._kdTreeDirty=!1}},{key:"_insertEntityIntoKDTree",value:function(e,t,i,r){var s=t.aabb;if(r>=this._maxTreeDepth)return e.objects=e.objects||[],e.objects.push(i),void re.expandAABB3(e.aabb,s);if(e.left&&re.containsAABB3(e.left.aabb,s))this._insertEntityIntoKDTree(e.left,t,i,r+1);else if(e.right&&re.containsAABB3(e.right.aabb,s))this._insertEntityIntoKDTree(e.right,t,i,r+1);else{var n=e.aabb;NF[0]=n[3]-n[0],NF[1]=n[4]-n[1],NF[2]=n[5]-n[2];var o=0;if(NF[1]>NF[o]&&(o=1),NF[2]>NF[o]&&(o=2),!e.left){var a=n.slice();if(a[o+3]=(n[o]+n[o+3])/2,e.left={aabb:a,intersection:Ie.INTERSECT},re.containsAABB3(a,s))return void this._insertEntityIntoKDTree(e.left,t,i,r+1)}if(!e.right){var l=n.slice();if(l[o]=(n[o]+n[o+3])/2,e.right={aabb:l,intersection:Ie.INTERSECT},re.containsAABB3(l,s))return void this._insertEntityIntoKDTree(e.right,t,i,r+1)}e.objects=e.objects||[],e.objects.push(i),re.expandAABB3(e.aabb,s)}}},{key:"_visitKDNode",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(t===Ie.INTERSECT||e.intersects!==t){t===Ie.INTERSECT&&(t=Se(this._frustum,e.aabb),e.intersects=t);var i=t===Ie.OUTSIDE,r=e.objects;if(r&&r.length>0)for(var s=0,n=r.length;s<n;s++){var o=r[s];this._objectCullStates.setObjectViewCulled(o,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._clear();var e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}},{key:"_clear",value:function(){for(var e in this._modelInfos){var t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}}]),i}(),VF=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getManifest",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getMetaModel",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getXKT",value:function(e,t,i){var r=function(){};t=t||r,i=i||r;var s=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(s){var n=!!s[2],o=s[3];o=window.decodeURIComponent(o),n&&(o=window.atob(o));try{for(var a=new ArrayBuffer(o.length),l=new Uint8Array(a),u=0;u<o.length;u++)l[u]=o.charCodeAt(u);t(a)}catch(e){i(e)}}else{var c=new XMLHttpRequest;c.open("GET",this._cacheBusterURL(e),!0),c.responseType="arraybuffer",c.onreadystatechange=function(){4===c.readyState&&(200===c.status?t(c.response):i("getXKT error : "+c.response))},c.send(null)}}}]),e}();!function(e,t){"object"==("undefined"==typeof exports?"undefined":w(exports))&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).pako={})}(void 0,(function(e){function t(e){for(var t=e.length;--t>=0;)e[t]=0}var i=new Uint8Array([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0]),r=new Uint8Array([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13]),s=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7]),n=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),o=new Array(576);t(o);var a=new Array(60);t(a);var l=new Array(512);t(l);var u=new Array(256);t(u);var c=new Array(29);t(c);var A,h,d,p=new Array(30);function f(e,t,i,r,s){this.static_tree=e,this.extra_bits=t,this.extra_base=i,this.elems=r,this.max_length=s,this.has_stree=e&&e.length}function v(e,t){this.dyn_tree=e,this.max_code=0,this.stat_desc=t}t(p);var g=function(e){return e<256?l[e]:l[256+(e>>>7)]},m=function(e,t){e.pending_buf[e.pending++]=255&t,e.pending_buf[e.pending++]=t>>>8&255},_=function(e,t,i){e.bi_valid>16-i?(e.bi_buf|=t<<e.bi_valid&65535,m(e,e.bi_buf),e.bi_buf=t>>16-e.bi_valid,e.bi_valid+=i-16):(e.bi_buf|=t<<e.bi_valid&65535,e.bi_valid+=i)},y=function(e,t,i){_(e,i[2*t],i[2*t+1])},b=function(e,t){var i=0;do{i|=1&e,e>>>=1,i<<=1}while(--t>0);return i>>>1},x=function(e,t,i){var r,s,n=new Array(16),o=0;for(r=1;r<=15;r++)o=o+i[r-1]<<1,n[r]=o;for(s=0;s<=t;s++){var a=e[2*s+1];0!==a&&(e[2*s]=b(n[a]++,a))}},B=function(e){var t;for(t=0;t<286;t++)e.dyn_ltree[2*t]=0;for(t=0;t<30;t++)e.dyn_dtree[2*t]=0;for(t=0;t<19;t++)e.bl_tree[2*t]=0;e.dyn_ltree[512]=1,e.opt_len=e.static_len=0,e.sym_next=e.matches=0},P=function(e){e.bi_valid>8?m(e,e.bi_buf):e.bi_valid>0&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0},C=function(e,t,i,r){var s=2*t,n=2*i;return e[s]<e[n]||e[s]===e[n]&&r[t]<=r[i]},M=function(e,t,i){for(var r=e.heap[i],s=i<<1;s<=e.heap_len&&(s<e.heap_len&&C(t,e.heap[s+1],e.heap[s],e.depth)&&s++,!C(t,r,e.heap[s],e.depth));)e.heap[i]=e.heap[s],i=s,s<<=1;e.heap[i]=r},E=function(e,t,s){var n,o,a,l,A=0;if(0!==e.sym_next)do{n=255&e.pending_buf[e.sym_buf+A++],n+=(255&e.pending_buf[e.sym_buf+A++])<<8,o=e.pending_buf[e.sym_buf+A++],0===n?y(e,o,t):(a=u[o],y(e,a+256+1,t),0!==(l=i[a])&&(o-=c[a],_(e,o,l)),n--,a=g(n),y(e,a,s),0!==(l=r[a])&&(n-=p[a],_(e,n,l)))}while(A<e.sym_next);y(e,256,t)},F=function(e,t){var i,r,s,n=t.dyn_tree,o=t.stat_desc.static_tree,a=t.stat_desc.has_stree,l=t.stat_desc.elems,u=-1;for(e.heap_len=0,e.heap_max=573,i=0;i<l;i++)0!==n[2*i]?(e.heap[++e.heap_len]=u=i,e.depth[i]=0):n[2*i+1]=0;for(;e.heap_len<2;)n[2*(s=e.heap[++e.heap_len]=u<2?++u:0)]=1,e.depth[s]=0,e.opt_len--,a&&(e.static_len-=o[2*s+1]);for(t.max_code=u,i=e.heap_len>>1;i>=1;i--)M(e,n,i);s=l;do{i=e.heap[1],e.heap[1]=e.heap[e.heap_len--],M(e,n,1),r=e.heap[1],e.heap[--e.heap_max]=i,e.heap[--e.heap_max]=r,n[2*s]=n[2*i]+n[2*r],e.depth[s]=(e.depth[i]>=e.depth[r]?e.depth[i]:e.depth[r])+1,n[2*i+1]=n[2*r+1]=s,e.heap[1]=s++,M(e,n,1)}while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1],function(e,t){var i,r,s,n,o,a,l=t.dyn_tree,u=t.max_code,c=t.stat_desc.static_tree,A=t.stat_desc.has_stree,h=t.stat_desc.extra_bits,d=t.stat_desc.extra_base,p=t.stat_desc.max_length,f=0;for(n=0;n<=15;n++)e.bl_count[n]=0;for(l[2*e.heap[e.heap_max]+1]=0,i=e.heap_max+1;i<573;i++)(n=l[2*l[2*(r=e.heap[i])+1]+1]+1)>p&&(n=p,f++),l[2*r+1]=n,r>u||(e.bl_count[n]++,o=0,r>=d&&(o=h[r-d]),a=l[2*r],e.opt_len+=a*(n+o),A&&(e.static_len+=a*(c[2*r+1]+o)));if(0!==f){do{for(n=p-1;0===e.bl_count[n];)n--;e.bl_count[n]--,e.bl_count[n+1]+=2,e.bl_count[p]--,f-=2}while(f>0);for(n=p;0!==n;n--)for(r=e.bl_count[n];0!==r;)(s=e.heap[--i])>u||(l[2*s+1]!==n&&(e.opt_len+=(n-l[2*s+1])*l[2*s],l[2*s+1]=n),r--)}}(e,t),x(n,u,e.bl_count)},k=function(e,t,i){var 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Uint8Array(a.pending_buf_size),a.sym_buf=a.lit_bufsize,a.sym_end=3*(a.lit_bufsize-1),a.level=t,a.strategy=n,a.method=i,Ue(e)},Ne=Oe,Qe=function(e,t){return Le(e)||2!==e.state.wrap?ie:(e.state.gzhead=t,ee)},Ve=function(e,t){if(Le(e)||t>$||t<0)return e?ge(e,ie):ie;var i=e.state;if(!e.output||0!==e.avail_in&&!e.input||i.status===ve&&t!==q)return ge(e,0===e.avail_out?se:ie);var r=i.last_flush;if(i.last_flush=t,0!==i.pending){if(xe(e),0===e.avail_out)return i.last_flush=-1,ee}else if(0===e.avail_in&&me(t)<=me(r)&&t!==q)return ge(e,se);if(i.status===ve&&0!==e.avail_in)return ge(e,se);if(i.status===pe&&0===i.wrap&&(i.status=fe),i.status===pe){var s=Ae+(i.w_bits-8<<4)<<8;if(s|=(i.strategy>=ae||i.level<2?0:i.level<6?1:6===i.level?2:3)<<6,0!==i.strstart&&(s|=32),Pe(i,s+=31-s%31),0!==i.strstart&&(Pe(i,e.adler>>>16),Pe(i,65535&e.adler)),e.adler=1,i.status=fe,xe(e),0!==i.pending)return 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a=i.pending_buf_size-i.pending;if(i.pending_buf.set(i.gzhead.extra.subarray(i.gzindex,i.gzindex+a),i.pending),i.pending=i.pending_buf_size,i.gzhead.hcrc&&i.pending>n&&(e.adler=V(e.adler,i.pending_buf,i.pending-n,n)),i.gzindex+=a,xe(e),0!==i.pending)return i.last_flush=-1,ee;n=0,o-=a}var l=new Uint8Array(i.gzhead.extra);i.pending_buf.set(l.subarray(i.gzindex,i.gzindex+o),i.pending),i.pending+=o,i.gzhead.hcrc&&i.pending>n&&(e.adler=V(e.adler,i.pending_buf,i.pending-n,n)),i.gzindex=0}i.status=73}if(73===i.status){if(i.gzhead.name){var u,c=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>c&&(e.adler=V(e.adler,i.pending_buf,i.pending-c,c)),xe(e),0!==i.pending)return i.last_flush=-1,ee;c=0}u=i.gzindex<i.gzhead.name.length?255&i.gzhead.name.charCodeAt(i.gzindex++):0,Be(i,u)}while(0!==u);i.gzhead.hcrc&&i.pending>c&&(e.adler=V(e.adler,i.pending_buf,i.pending-c,c)),i.gzindex=0}i.status=91}if(91===i.status){if(i.gzhead.comment){var A,h=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>h&&(e.adler=V(e.adler,i.pending_buf,i.pending-h,h)),xe(e),0!==i.pending)return i.last_flush=-1,ee;h=0}A=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,Be(i,A)}while(0!==A);i.gzhead.hcrc&&i.pending>h&&(e.adler=V(e.adler,i.pending_buf,i.pending-h,h))}i.status=103}if(103===i.status){if(i.gzhead.hcrc){if(i.pending+2>i.pending_buf_size&&(xe(e),0!==i.pending))return i.last_flush=-1,ee;Be(i,255&e.adler),Be(i,e.adler>>8&255),e.adler=0}if(i.status=fe,xe(e),0!==i.pending)return i.last_flush=-1,ee}if(0!==e.avail_in||0!==i.lookahead||t!==J&&i.status!==ve){var d=0===i.level?Fe(i,t):i.strategy===ae?function(e,t){for(var i;;){if(0===e.lookahead&&(Ee(e),0===e.lookahead)){if(t===J)return 1;break}if(e.match_length=0,i=K(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,i&&(we(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,t===q?(we(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(we(e,!1),0===e.strm.avail_out)?1:2}(i,t):i.strategy===le?function(e,t){for(var i,r,s,n,o=e.window;;){if(e.lookahead<=he){if(Ee(e),e.lookahead<=he&&t===J)return 1;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=3&&e.strstart>0&&((r=o[s=e.strstart-1])===o[++s]&&r===o[++s]&&r===o[++s])){n=e.strstart+he;do{}while(r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&s<n);e.match_length=he-(n-s),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=3?(i=K(e,1,e.match_length-3),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(i=K(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),i&&(we(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,t===q?(we(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(we(e,!1),0===e.strm.avail_out)?1:2}(i,t):Se[i.level].func(i,t);if(3!==d&&4!==d||(i.status=ve),1===d||3===d)return 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o=e.avail_in,a=e.next_in,l=e.input;for(e.avail_in=i,e.next_in=0,e.input=t,Ee(r);r.lookahead>=3;){var u=r.strstart,c=r.lookahead-2;do{r.ins_h=be(r,r.ins_h,r.window[u+3-1]),r.prev[u&r.w_mask]=r.head[r.ins_h],r.head[r.ins_h]=u,u++}while(--c);r.strstart=u,r.lookahead=2,Ee(r)}return r.strstart+=r.lookahead,r.block_start=r.strstart,r.insert=r.lookahead,r.lookahead=0,r.match_length=r.prev_length=2,r.match_available=0,e.next_in=a,e.input=l,e.avail_in=o,r.wrap=s,ee},Ge=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},ze=function(e){for(var t=Array.prototype.slice.call(arguments,1);t.length;){var i=t.shift();if(i){if("object"!=w(i))throw new TypeError(i+"must be non-object");for(var r in i)Ge(i,r)&&(e[r]=i[r])}}return e},We=function(e){for(var t=0,i=0,r=e.length;i<r;i++)t+=e[i].length;for(var s=new Uint8Array(t),n=0,o=0,a=e.length;n<a;n++){var l=e[n];s.set(l,o),o+=l.length}return s},Ke=!0;try{String.fromCharCode.apply(null,new Uint8Array(1))}catch(e){Ke=!1}for(var Xe=new 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i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,x,w,B,P,C=e.state;i=e.next_in,B=e.input,r=i+(e.avail_in-5),s=e.next_out,P=e.output,n=s-(t-e.avail_out),o=s+(e.avail_out-257),a=C.dmax,l=C.wsize,u=C.whave,c=C.wnext,A=C.window,h=C.hold,d=C.bits,p=C.lencode,f=C.distcode,v=(1<<C.lenbits)-1,g=(1<<C.distbits)-1;e:do{d<15&&(h+=B[i++]<<d,d+=8,h+=B[i++]<<d,d+=8),m=p[h&v];t:for(;;){if(h>>>=_=m>>>24,d-=_,0===(_=m>>>16&255))P[s++]=65535&m;else{if(!(16&_)){if(0==(64&_)){m=p[(65535&m)+(h&(1<<_)-1)];continue t}if(32&_){C.mode=16191;break e}e.msg="invalid literal/length code",C.mode=vt;break e}y=65535&m,(_&=15)&&(d<_&&(h+=B[i++]<<d,d+=8),y+=h&(1<<_)-1,h>>>=_,d-=_),d<15&&(h+=B[i++]<<d,d+=8,h+=B[i++]<<d,d+=8),m=f[h&g];i:for(;;){if(h>>>=_=m>>>24,d-=_,!(16&(_=m>>>16&255))){if(0==(64&_)){m=f[(65535&m)+(h&(1<<_)-1)];continue i}e.msg="invalid distance code",C.mode=vt;break e}if(b=65535&m,d<(_&=15)&&(h+=B[i++]<<d,(d+=8)<_&&(h+=B[i++]<<d,d+=8)),(b+=h&(1<<_)-1)>a){e.msg="invalid distance too far back",C.mode=vt;break 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Uint16Array([1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0]),bt=new Uint8Array([16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64]),xt=function(e,t,i,r,s,n,o,a){var l,u,c,A,h,d,p,f,v,g=a.bits,m=0,_=0,y=0,b=0,x=0,w=0,B=0,P=0,C=0,M=0,E=null,F=new Uint16Array(16),k=new Uint16Array(16),I=null;for(m=0;m<=15;m++)F[m]=0;for(_=0;_<r;_++)F[t[i+_]]++;for(x=g,b=15;b>=1&&0===F[b];b--);if(x>b&&(x=b),0===b)return s[n++]=20971520,s[n++]=20971520,a.bits=1,0;for(y=1;y<b&&0===F[y];y++);for(x<y&&(x=y),P=1,m=1;m<=15;m++)if(P<<=1,(P-=F[m])<0)return-1;if(P>0&&(0===e||1!==b))return-1;for(k[1]=0,m=1;m<15;m++)k[m+1]=k[m]+F[m];for(_=0;_<r;_++)0!==t[i+_]&&(o[k[t[i+_]]++]=_);if(0===e?(E=I=o,d=20):1===e?(E=mt,I=_t,d=257):(E=yt,I=bt,d=0),M=0,_=0,m=y,h=n,w=x,B=0,c=-1,A=(C=1<<x)-1,1===e&&C>852||2===e&&C>592)return 1;for(;;){p=m-B,o[_]+1<d?(f=0,v=o[_]):o[_]>=d?(f=I[o[_]-d],v=E[o[_]-d]):(f=96,v=0),l=1<<m-B,y=u=1<<w;do{s[h+(M>>B)+(u-=l)]=p<<24|f<<16|v|0}while(0!==u);for(l=1<<m-1;M&l;)l>>=1;if(0!==l?(M&=l-1,M+=l):M=0,_++,0==--F[m]){if(m===b)break;m=t[i+o[_]]}if(m>x&&(M&A)!==c){for(0===B&&(B=x),h+=y,P=1<<(w=m-B);w+B<b&&!((P-=F[w+B])<=0);)w++,P<<=1;if(C+=1<<w,1===e&&C>852||2===e&&C>592)return 1;s[c=M&A]=x<<24|w<<16|h-n|0}}return 0!==M&&(s[h+M]=m-B<<24|64<<16|0),a.bits=x,0},wt=j.Z_FINISH,Bt=j.Z_BLOCK,Pt=j.Z_TREES,Ct=j.Z_OK,Mt=j.Z_STREAM_END,Et=j.Z_NEED_DICT,Ft=j.Z_STREAM_ERROR,kt=j.Z_DATA_ERROR,It=j.Z_MEM_ERROR,Dt=j.Z_BUF_ERROR,St=j.Z_DEFLATED,Tt=16180,Lt=16190,Rt=16191,Ut=16192,Ot=16194,Nt=16199,Qt=16200,Vt=16206,Ht=16209,jt=function(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)};function Gt(){this.strm=null,this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new Uint16Array(320),this.work=new Uint16Array(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}var zt,Wt,Kt=function(e){if(!e)return 1;var t=e.state;return!t||t.strm!==e||t.mode<Tt||t.mode>16211?1:0},Xt=function(e){if(Kt(e))return Ft;var t=e.state;return e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=Tt,t.last=0,t.havedict=0,t.flags=-1,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new Int32Array(852),t.distcode=t.distdyn=new Int32Array(592),t.sane=1,t.back=-1,Ct},Jt=function(e){if(Kt(e))return Ft;var t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,Xt(e)},Yt=function(e,t){var i;if(Kt(e))return Ft;var r=e.state;return t<0?(i=0,t=-t):(i=5+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?Ft:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=i,r.wbits=t,Jt(e))},Zt=function(e,t){if(!e)return Ft;var i=new Gt;e.state=i,i.strm=e,i.window=null,i.mode=Tt;var r=Yt(e,t);return r!==Ct&&(e.state=null),r},qt=!0,$t=function(e){if(qt){zt=new Int32Array(512),Wt=new Int32Array(32);for(var t=0;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(xt(1,e.lens,0,288,zt,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;xt(2,e.lens,0,32,Wt,0,e.work,{bits:5}),qt=!1}e.lencode=zt,e.lenbits=9,e.distcode=Wt,e.distbits=5},ei=function(e,t,i,r){var s,n=e.state;return null===n.window&&(n.wsize=1<<n.wbits,n.wnext=0,n.whave=0,n.window=new Uint8Array(n.wsize)),r>=n.wsize?(n.window.set(t.subarray(i-n.wsize,i),0),n.wnext=0,n.whave=n.wsize):((s=n.wsize-n.wnext)>r&&(s=r),n.window.set(t.subarray(i-r,i-r+s),n.wnext),(r-=s)?(n.window.set(t.subarray(i-r,i),0),n.wnext=r,n.whave=n.wsize):(n.wnext+=s,n.wnext===n.wsize&&(n.wnext=0),n.whave<n.wsize&&(n.whave+=s))),0},ti=Jt,ii=Zt,ri=function(e,t){var i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,x,w,B,P,C=0,M=new Uint8Array(4),E=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(Kt(e)||!e.output||!e.input&&0!==e.avail_in)return Ft;(i=e.state).mode===Rt&&(i.mode=Ut),o=e.next_out,s=e.output,l=e.avail_out,n=e.next_in,r=e.input,a=e.avail_in,u=i.hold,c=i.bits,A=a,h=l,w=Ct;e:for(;;)switch(i.mode){case Tt:if(0===i.wrap){i.mode=Ut;break}for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(2&i.wrap&&35615===u){0===i.wbits&&(i.wbits=15),i.check=0,M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0),u=0,c=0,i.mode=16181;break}if(i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&u)<<8)+(u>>8))%31){e.msg="incorrect header check",i.mode=Ht;break}if((15&u)!==St){e.msg="unknown compression method",i.mode=Ht;break}if(c-=4,x=8+(15&(u>>>=4)),0===i.wbits&&(i.wbits=x),x>15||x>i.wbits){e.msg="invalid window size",i.mode=Ht;break}i.dmax=1<<i.wbits,i.flags=0,e.adler=i.check=1,i.mode=512&u?16189:Rt,u=0,c=0;break;case 16181:for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(i.flags=u,(255&i.flags)!==St){e.msg="unknown compression method",i.mode=Ht;break}if(57344&i.flags){e.msg="unknown header flags set",i.mode=Ht;break}i.head&&(i.head.text=u>>8&1),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0,i.mode=16182;case 16182:for(;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.head&&(i.head.time=u),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,M[2]=u>>>16&255,M[3]=u>>>24&255,i.check=V(i.check,M,4,0)),u=0,c=0,i.mode=16183;case 16183:for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.head&&(i.head.xflags=255&u,i.head.os=u>>8),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0,i.mode=16184;case 16184:if(1024&i.flags){for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.length=u,i.head&&(i.head.extra_len=u),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0}else i.head&&(i.head.extra=null);i.mode=16185;case 16185:if(1024&i.flags&&((d=i.length)>a&&(d=a),d&&(i.head&&(x=i.head.extra_len-i.length,i.head.extra||(i.head.extra=new Uint8Array(i.head.extra_len)),i.head.extra.set(r.subarray(n,n+d),x)),512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,i.length-=d),i.length))break e;i.length=0,i.mode=16186;case 16186:if(2048&i.flags){if(0===a)break e;d=0;do{x=r[n+d++],i.head&&x&&i.length<65536&&(i.head.name+=String.fromCharCode(x))}while(x&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,x)break e}else i.head&&(i.head.name=null);i.length=0,i.mode=16187;case 16187:if(4096&i.flags){if(0===a)break e;d=0;do{x=r[n+d++],i.head&&x&&i.length<65536&&(i.head.comment+=String.fromCharCode(x))}while(x&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,x)break e}else i.head&&(i.head.comment=null);i.mode=16188;case 16188:if(512&i.flags){for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(4&i.wrap&&u!==(65535&i.check)){e.msg="header crc mismatch",i.mode=Ht;break}u=0,c=0}i.head&&(i.head.hcrc=i.flags>>9&1,i.head.done=!0),e.adler=i.check=0,i.mode=Rt;break;case 16189:for(;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}e.adler=i.check=jt(u),u=0,c=0,i.mode=Lt;case Lt:if(0===i.havedict)return e.next_out=o,e.avail_out=l,e.next_in=n,e.avail_in=a,i.hold=u,i.bits=c,Et;e.adler=i.check=1,i.mode=Rt;case Rt:if(t===Bt||t===Pt)break e;case Ut:if(i.last){u>>>=7&c,c-=7&c,i.mode=Vt;break}for(;c<3;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}switch(i.last=1&u,c-=1,3&(u>>>=1)){case 0:i.mode=16193;break;case 1:if($t(i),i.mode=Nt,t===Pt){u>>>=2,c-=2;break e}break;case 2:i.mode=16196;break;case 3:e.msg="invalid block type",i.mode=Ht}u>>>=2,c-=2;break;case 16193:for(u>>>=7&c,c-=7&c;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if((65535&u)!=(u>>>16^65535)){e.msg="invalid stored block lengths",i.mode=Ht;break}if(i.length=65535&u,u=0,c=0,i.mode=Ot,t===Pt)break e;case Ot:i.mode=16195;case 16195:if(d=i.length){if(d>a&&(d=a),d>l&&(d=l),0===d)break e;s.set(r.subarray(n,n+d),o),a-=d,n+=d,l-=d,o+=d,i.length-=d;break}i.mode=Rt;break;case 16196:for(;c<14;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(i.nlen=257+(31&u),u>>>=5,c-=5,i.ndist=1+(31&u),u>>>=5,c-=5,i.ncode=4+(15&u),u>>>=4,c-=4,i.nlen>286||i.ndist>30){e.msg="too many length or distance symbols",i.mode=Ht;break}i.have=0,i.mode=16197;case 16197:for(;i.have<i.ncode;){for(;c<3;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.lens[E[i.have++]]=7&u,u>>>=3,c-=3}for(;i.have<19;)i.lens[E[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,B={bits:i.lenbits},w=xt(0,i.lens,0,19,i.lencode,0,i.work,B),i.lenbits=B.bits,w){e.msg="invalid code lengths set",i.mode=Ht;break}i.have=0,i.mode=16198;case 16198:for(;i.have<i.nlen+i.ndist;){for(;g=(C=i.lencode[u&(1<<i.lenbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(m<16)u>>>=v,c-=v,i.lens[i.have++]=m;else{if(16===m){for(P=v+2;c<P;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(u>>>=v,c-=v,0===i.have){e.msg="invalid bit length repeat",i.mode=Ht;break}x=i.lens[i.have-1],d=3+(3&u),u>>>=2,c-=2}else if(17===m){for(P=v+3;c<P;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}c-=v,x=0,d=3+(7&(u>>>=v)),u>>>=3,c-=3}else{for(P=v+7;c<P;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}c-=v,x=0,d=11+(127&(u>>>=v)),u>>>=7,c-=7}if(i.have+d>i.nlen+i.ndist){e.msg="invalid bit length repeat",i.mode=Ht;break}for(;d--;)i.lens[i.have++]=x}}if(i.mode===Ht)break;if(0===i.lens[256]){e.msg="invalid code -- missing end-of-block",i.mode=Ht;break}if(i.lenbits=9,B={bits:i.lenbits},w=xt(1,i.lens,0,i.nlen,i.lencode,0,i.work,B),i.lenbits=B.bits,w){e.msg="invalid literal/lengths set",i.mode=Ht;break}if(i.distbits=6,i.distcode=i.distdyn,B={bits:i.distbits},w=xt(2,i.lens,i.nlen,i.ndist,i.distcode,0,i.work,B),i.distbits=B.bits,w){e.msg="invalid distances set",i.mode=Ht;break}if(i.mode=Nt,t===Pt)break e;case Nt:i.mode=Qt;case Qt:if(a>=6&&l>=258){e.next_out=o,e.avail_out=l,e.next_in=n,e.avail_in=a,i.hold=u,i.bits=c,gt(e,h),o=e.next_out,s=e.output,l=e.avail_out,n=e.next_in,r=e.input,a=e.avail_in,u=i.hold,c=i.bits,i.mode===Rt&&(i.back=-1);break}for(i.back=0;g=(C=i.lencode[u&(1<<i.lenbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(g&&0==(240&g)){for(_=v,y=g,b=m;g=(C=i.lencode[b+((u&(1<<_+y)-1)>>_)])>>>16&255,m=65535&C,!(_+(v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}u>>>=_,c-=_,i.back+=_}if(u>>>=v,c-=v,i.back+=v,i.length=m,0===g){i.mode=16205;break}if(32&g){i.back=-1,i.mode=Rt;break}if(64&g){e.msg="invalid literal/length code",i.mode=Ht;break}i.extra=15&g,i.mode=16201;case 16201:if(i.extra){for(P=i.extra;c<P;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.length+=u&(1<<i.extra)-1,u>>>=i.extra,c-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=16202;case 16202:for(;g=(C=i.distcode[u&(1<<i.distbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(0==(240&g)){for(_=v,y=g,b=m;g=(C=i.distcode[b+((u&(1<<_+y)-1)>>_)])>>>16&255,m=65535&C,!(_+(v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}u>>>=_,c-=_,i.back+=_}if(u>>>=v,c-=v,i.back+=v,64&g){e.msg="invalid distance code",i.mode=Ht;break}i.offset=m,i.extra=15&g,i.mode=16203;case 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o=n.getNextId(),a=JSON.parse(i.types),l=JSON.parse(i.eachMetaObjectId),u=i.eachMetaObjectType,c=JSON.parse(i.eachMetaObjectName),A=i.eachMetaObjectParent,h=i.positions,d=i.normals,p=i.colors,f=i.indices,v=i.edgeIndices,g=i.matrices,m=i.reusedGeometriesDecodeMatrix,_=i.eachGeometryPrimitiveType,y=i.eachGeometryPositionsPortion,b=i.eachGeometryNormalsPortion,x=i.eachGeometryColorsPortion,w=i.eachGeometryIndicesPortion,B=i.eachGeometryEdgeIndicesPortion,P=i.eachMeshGeometriesPortion,C=i.eachMeshMatricesPortion,M=i.eachMeshMaterial,E=i.eachEntityMetaObject,F=i.eachEntityMeshesPortion,k=i.eachTileAABB,I=i.eachTileEntitiesPortion,D=l.length,S=y.length,T=P.length,L=E.length,R=I.length;if(s){for(var U={metaObjects:[]},O=0;O<D;O++){var N=l[O],Q=a[u[O]]||"default",V=c[O],H=A[O],j=H!==O?l[H]:null;U.metaObjects.push({id:N,type:Q,name:V,parent:j})}s.loadData(U,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds})}for(var G=new Uint32Array(S),z=0;z<T;z++){var W=P[z];void 0!==G[W]?G[W]++:G[W]=1}for(var K=re.vec3(),X=re.AABB3(),J={},Y=0;Y<R;Y++){var Z=Y===R-1,q=I[Y],$=Z?L:I[Y+1],ee=6*Y,te=k.subarray(ee,ee+6);re.getAABB3Center(te,K),X[0]=te[0]-K[0],X[1]=te[1]-K[1],X[2]=te[2]-K[2],X[3]=te[3]-K[0],X[4]=te[4]-K[1],X[5]=te[5]-K[2];for(var ie=zi.createPositionsDecodeMatrix(X),se={},ne=q;ne<$;ne++){var oe=l[E[ne]],ae=t.globalizeObjectIds?re.globalizeObjectId(r.id,oe):oe,le=ne===L-1,ue=F[ne],ce=le?P.length:F[ne+1],Ae=[],de=e.metaScene.metaObjects[ae],pe={},fe={};if(de){if(t.excludeTypesMap&&de.type&&t.excludeTypesMap[de.type])continue;if(t.includeTypesMap&&de.type&&!t.includeTypesMap[de.type])continue;var ve=t.objectDefaults?t.objectDefaults[de.type]||t.objectDefaults.DEFAULT:null;ve&&(!1===ve.visible&&(pe.visible=!1),!1===ve.pickable&&(pe.pickable=!1),ve.colorize&&(fe.color=ve.colorize),void 0!==ve.opacity&&null!==ve.opacity&&(fe.opacity=ve.opacity),void 0!==ve.metallic&&null!==ve.metallic&&(fe.metallic=ve.metallic),void 0!==ve.roughness&&null!==ve.roughness&&(fe.roughness=ve.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var ge=ue;ge<ce;ge++){var me=P[ge],_e=G[me]>1,ye=me===S-1,be=vk(M.subarray(6*ge,6*ge+3)),xe=M[6*ge+3]/255,we=M[6*ge+4]/255,Be=M[6*ge+5]/255,Pe=n.getNextId();if(_e){var Ce=C[ge],Me=g.slice(Ce,Ce+16),Ee="".concat(o,"-geometry.").concat(Y,".").concat(me),Fe=J[Ee];if(!Fe){Fe={batchThisMesh:!t.reuseGeometries};var ke=!1;switch(_[me]){case 0:Fe.primitiveName="solid",Fe.geometryPositions=h.subarray(y[me],ye?h.length:y[me+1]),Fe.geometryNormals=d.subarray(b[me],ye?d.length:b[me+1]),Fe.geometryIndices=f.subarray(w[me],ye?f.length:w[me+1]),Fe.geometryEdgeIndices=v.subarray(B[me],ye?v.length:B[me+1]),ke=Fe.geometryPositions.length>0&&Fe.geometryIndices.length>0;break;case 1:Fe.primitiveName="surface",Fe.geometryPositions=h.subarray(y[me],ye?h.length:y[me+1]),Fe.geometryNormals=d.subarray(b[me],ye?d.length:b[me+1]),Fe.geometryIndices=f.subarray(w[me],ye?f.length:w[me+1]),Fe.geometryEdgeIndices=v.subarray(B[me],ye?v.length:B[me+1]),ke=Fe.geometryPositions.length>0&&Fe.geometryIndices.length>0;break;case 2:Fe.primitiveName="points",Fe.geometryPositions=h.subarray(y[me],ye?h.length:y[me+1]),Fe.geometryColors=gk(p.subarray(x[me],ye?p.length:x[me+1])),ke=Fe.geometryPositions.length>0;break;case 3:Fe.primitiveName="lines",Fe.geometryPositions=h.subarray(y[me],ye?h.length:y[me+1]),Fe.geometryIndices=f.subarray(w[me],ye?f.length:w[me+1]),ke=Fe.geometryPositions.length>0&&Fe.geometryIndices.length>0;break;default:continue}if(ke||(Fe=null),Fe&&(Fe.geometryPositions.length,Fe.batchThisMesh)){Fe.decompressedPositions=new Float32Array(Fe.geometryPositions.length);for(var Ie=Fe.geometryPositions,De=Fe.decompressedPositions,Se=0,Te=Ie.length;Se<Te;Se+=3)De[Se+0]=Ie[Se+0]*m[0]+m[12],De[Se+1]=Ie[Se+1]*m[5]+m[13],De[Se+2]=Ie[Se+2]*m[10]+m[14];Fe.geometryPositions=null,J[Ee]=Fe}}if(Fe)if(Fe.batchThisMesh){for(var Le=Fe.decompressedPositions,Re=new Uint16Array(Le.length),Ue=0,Oe=Le.length;Ue<Oe;Ue+=3)pk[0]=Le[Ue+0],pk[1]=Le[Ue+1],pk[2]=Le[Ue+2],pk[3]=1,re.transformVec4(Me,pk,fk),zi.compressPosition(fk,X,pk),Re[Ue+0]=pk[0],Re[Ue+1]=pk[1],Re[Ue+2]=pk[2];r.createMesh(he.apply(fe,{id:Pe,origin:K,primitive:Fe.primitiveName,positionsCompressed:Re,normalsCompressed:Fe.geometryNormals,colorsCompressed:Fe.geometryColors,indices:Fe.geometryIndices,edgeIndices:Fe.geometryEdgeIndices,positionsDecodeMatrix:ie,color:be,metallic:we,roughness:Be,opacity:xe})),Ae.push(Pe)}else se[Ee]||(r.createGeometry({id:Ee,primitive:Fe.primitiveName,positionsCompressed:Fe.geometryPositions,normalsCompressed:Fe.geometryNormals,colorsCompressed:Fe.geometryColors,indices:Fe.geometryIndices,edgeIndices:Fe.geometryEdgeIndices,positionsDecodeMatrix:m}),se[Ee]=!0),r.createMesh(he.apply(fe,{id:Pe,geometryId:Ee,origin:K,matrix:Me,color:be,metallic:we,roughness:Be,opacity:xe})),Ae.push(Pe)}else{var Ne=void 0,Qe=void 0,Ve=void 0,He=void 0,je=void 0,Ge=void 0,ze=!1;switch(_[me]){case 0:Ne="solid",Qe=h.subarray(y[me],ye?h.length:y[me+1]),Ve=d.subarray(b[me],ye?d.length:b[me+1]),je=f.subarray(w[me],ye?f.length:w[me+1]),Ge=v.subarray(B[me],ye?v.length:B[me+1]),ze=Qe.length>0&&je.length>0;break;case 1:Ne="surface",Qe=h.subarray(y[me],ye?h.length:y[me+1]),Ve=d.subarray(b[me],ye?d.length:b[me+1]),je=f.subarray(w[me],ye?f.length:w[me+1]),Ge=v.subarray(B[me],ye?v.length:B[me+1]),ze=Qe.length>0&&je.length>0;break;case 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o=function(e){return{metadata:e[0],positions:e[1],normals:e[2],colors:e[3],indices:e[4],edgeIndices:e[5],matrices:e[6],reusedGeometriesDecodeMatrix:e[7],eachGeometryPrimitiveType:e[8],eachGeometryPositionsPortion:e[9],eachGeometryNormalsPortion:e[10],eachGeometryColorsPortion:e[11],eachGeometryIndicesPortion:e[12],eachGeometryEdgeIndicesPortion:e[13],eachMeshGeometriesPortion:e[14],eachMeshMatricesPortion:e[15],eachMeshMaterial:e[16],eachEntityId:e[17],eachEntityMeshesPortion:e[18],eachTileAABB:e[19],eachTileEntitiesPortion:e[20]}}(i),a=function(e){function t(e,t){return 0===e.length?[]:_k.inflate(e,t).buffer}return{metadata:JSON.parse(_k.inflate(e.metadata,{to:"string"})),positions:new Uint16Array(t(e.positions)),normals:new Int8Array(t(e.normals)),colors:new Uint8Array(t(e.colors)),indices:new Uint32Array(t(e.indices)),edgeIndices:new Uint32Array(t(e.edgeIndices)),matrices:new Float32Array(t(e.matrices)),reusedGeometriesDecodeMatrix:new Float32Array(t(e.reusedGeometriesDecodeMatrix)),eachGeometryPrimitiveType:new Uint8Array(t(e.eachGeometryPrimitiveType)),eachGeometryPositionsPortion:new Uint32Array(t(e.eachGeometryPositionsPortion)),eachGeometryNormalsPortion:new Uint32Array(t(e.eachGeometryNormalsPortion)),eachGeometryColorsPortion:new Uint32Array(t(e.eachGeometryColorsPortion)),eachGeometryIndicesPortion:new Uint32Array(t(e.eachGeometryIndicesPortion)),eachGeometryEdgeIndicesPortion:new Uint32Array(t(e.eachGeometryEdgeIndicesPortion)),eachMeshGeometriesPortion:new Uint32Array(t(e.eachMeshGeometriesPortion)),eachMeshMatricesPortion:new Uint32Array(t(e.eachMeshMatricesPortion)),eachMeshMaterial:new Uint8Array(t(e.eachMeshMaterial)),eachEntityId:JSON.parse(_k.inflate(e.eachEntityId,{to:"string"})),eachEntityMeshesPortion:new Uint32Array(t(e.eachEntityMeshesPortion)),eachTileAABB:new Float64Array(t(e.eachTileAABB)),eachTileEntitiesPortion:new Uint32Array(t(e.eachTileEntitiesPortion))}}(o);!function(e,t,i,r,s,n){var o=n.getNextId(),a=i.metadata,l=i.positions,u=i.normals,c=i.colors,A=i.indices,h=i.edgeIndices,d=i.matrices,p=i.reusedGeometriesDecodeMatrix,f=i.eachGeometryPrimitiveType,v=i.eachGeometryPositionsPortion,g=i.eachGeometryNormalsPortion,m=i.eachGeometryColorsPortion,_=i.eachGeometryIndicesPortion,y=i.eachGeometryEdgeIndicesPortion,b=i.eachMeshGeometriesPortion,x=i.eachMeshMatricesPortion,w=i.eachMeshMaterial,B=i.eachEntityId,P=i.eachEntityMeshesPortion,C=i.eachTileAABB,M=i.eachTileEntitiesPortion,E=v.length,F=b.length,k=P.length,I=M.length;s&&s.loadData(a,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds});for(var D=new Uint32Array(E),S=0;S<F;S++){var T=b[S];void 0!==D[T]?D[T]++:D[T]=1}for(var L=re.vec3(),R=re.AABB3(),U={},O=0;O<I;O++){var N=O===I-1,Q=M[O],V=N?k-1:M[O+1]-1,H=6*O,j=C.subarray(H,H+6);re.getAABB3Center(j,L),R[0]=j[0]-L[0],R[1]=j[1]-L[1],R[2]=j[2]-L[2],R[3]=j[3]-L[0],R[4]=j[4]-L[1],R[5]=j[5]-L[2];for(var G=zi.createPositionsDecodeMatrix(R),z={},W=Q;W<=V;W++){var K=B[W],X=t.globalizeObjectIds?re.globalizeObjectId(r.id,K):K,J=W===k-1,Y=P[W],Z=J?b.length-1:P[W+1]-1,q=[],$=e.metaScene.metaObjects[X],ee={},te={};if($){if(t.excludeTypesMap&&$.type&&t.excludeTypesMap[$.type])continue;if(t.includeTypesMap&&$.type&&!t.includeTypesMap[$.type])continue;var ie=t.objectDefaults?t.objectDefaults[$.type]||t.objectDefaults.DEFAULT:null;ie&&(!1===ie.visible&&(ee.visible=!1),!1===ie.pickable&&(ee.pickable=!1),ie.colorize&&(te.color=ie.colorize),void 0!==ie.opacity&&null!==ie.opacity&&(te.opacity=ie.opacity),void 0!==ie.metallic&&null!==ie.metallic&&(te.metallic=ie.metallic),void 0!==ie.roughness&&null!==ie.roughness&&(te.roughness=ie.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var se=Y;se<=Z;se++){var ne=b[se],oe=D[ne]>1,ae=ne===E-1,le=xk(w.subarray(6*se,6*se+3)),ue=w[6*se+3]/255,ce=w[6*se+4]/255,Ae=w[6*se+5]/255,de=n.getNextId();if(oe){var pe=x[se],fe=d.slice(pe,pe+16),ve="".concat(o,"-geometry.").concat(O,".").concat(ne),ge=U[ve];if(!ge){ge={batchThisMesh:!t.reuseGeometries};var me=!1;switch(f[ne]){case 0:ge.primitiveName="solid",ge.geometryPositions=l.subarray(v[ne],ae?l.length:v[ne+1]),ge.geometryNormals=u.subarray(g[ne],ae?u.length:g[ne+1]),ge.geometryIndices=A.subarray(_[ne],ae?A.length:_[ne+1]),ge.geometryEdgeIndices=h.subarray(y[ne],ae?h.length:y[ne+1]),me=ge.geometryPositions.length>0&&ge.geometryIndices.length>0;break;case 1:ge.primitiveName="surface",ge.geometryPositions=l.subarray(v[ne],ae?l.length:v[ne+1]),ge.geometryNormals=u.subarray(g[ne],ae?u.length:g[ne+1]),ge.geometryIndices=A.subarray(_[ne],ae?A.length:_[ne+1]),ge.geometryEdgeIndices=h.subarray(y[ne],ae?h.length:y[ne+1]),me=ge.geometryPositions.length>0&&ge.geometryIndices.length>0;break;case 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we=ge.decompressedPositions,Be=ge.transformedAndRecompressedPositions,Pe=0,Ce=we.length;Pe<Ce;Pe+=3)yk[0]=we[Pe+0],yk[1]=we[Pe+1],yk[2]=we[Pe+2],yk[3]=1,re.transformVec4(fe,yk,bk),zi.compressPosition(bk,R,yk),Be[Pe+0]=yk[0],Be[Pe+1]=yk[1],Be[Pe+2]=yk[2];r.createMesh(he.apply(te,{id:de,origin:L,primitive:ge.primitiveName,positionsCompressed:Be,normalsCompressed:ge.geometryNormals,colorsCompressed:ge.geometryColors,indices:ge.geometryIndices,edgeIndices:ge.geometryEdgeIndices,positionsDecodeMatrix:G,color:le,metallic:ce,roughness:Ae,opacity:ue})),q.push(de)}else z[ve]||(r.createGeometry({id:ve,primitive:ge.primitiveName,positionsCompressed:ge.geometryPositions,normalsCompressed:ge.geometryNormals,colorsCompressed:ge.geometryColors,indices:ge.geometryIndices,edgeIndices:ge.geometryEdgeIndices,positionsDecodeMatrix:p}),z[ve]=!0),r.createMesh(he.apply(te,{id:de,geometryId:ve,origin:L,matrix:fe,color:le,metallic:ce,roughness:Ae,opacity:ue})),q.push(de)}else{var Me=void 0,Ee=void 0,Fe=void 0,ke=void 0,Ie=void 0,De=void 0,Se=!1;switch(f[ne]){case 0:Me="solid",Ee=l.subarray(v[ne],ae?l.length:v[ne+1]),Fe=u.subarray(g[ne],ae?u.length:g[ne+1]),Ie=A.subarray(_[ne],ae?A.length:_[ne+1]),De=h.subarray(y[ne],ae?h.length:y[ne+1]),Se=Ee.length>0&&Ie.length>0;break;case 1:Me="surface",Ee=l.subarray(v[ne],ae?l.length:v[ne+1]),Fe=u.subarray(g[ne],ae?u.length:g[ne+1]),Ie=A.subarray(_[ne],ae?A.length:_[ne+1]),De=h.subarray(y[ne],ae?h.length:y[ne+1]),Se=Ee.length>0&&Ie.length>0;break;case 2:Me="points",Ee=l.subarray(v[ne],ae?l.length:v[ne+1]),ke=c.subarray(m[ne],ae?c.length:m[ne+1]),Se=Ee.length>0;break;case 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Uint32Array(t(e.eachTextureDataPortion)),eachTextureAttributes:new Uint16Array(t(e.eachTextureAttributes)),positions:new Uint16Array(t(e.positions)),normals:new Int8Array(t(e.normals)),colors:new Uint8Array(t(e.colors)),uvs:new Float32Array(t(e.uvs)),indices:new Uint32Array(t(e.indices)),edgeIndices:new Uint32Array(t(e.edgeIndices)),eachTextureSetTextures:new Int32Array(t(e.eachTextureSetTextures)),matrices:new Float32Array(t(e.matrices)),reusedGeometriesDecodeMatrix:new Float32Array(t(e.reusedGeometriesDecodeMatrix)),eachGeometryPrimitiveType:new Uint8Array(t(e.eachGeometryPrimitiveType)),eachGeometryPositionsPortion:new Uint32Array(t(e.eachGeometryPositionsPortion)),eachGeometryNormalsPortion:new Uint32Array(t(e.eachGeometryNormalsPortion)),eachGeometryColorsPortion:new Uint32Array(t(e.eachGeometryColorsPortion)),eachGeometryUVsPortion:new Uint32Array(t(e.eachGeometryUVsPortion)),eachGeometryIndicesPortion:new Uint32Array(t(e.eachGeometryIndicesPortion)),eachGeometryEdgeIndicesPortion:new Uint32Array(t(e.eachGeometryEdgeIndicesPortion)),eachMeshGeometriesPortion:new Uint32Array(t(e.eachMeshGeometriesPortion)),eachMeshMatricesPortion:new Uint32Array(t(e.eachMeshMatricesPortion)),eachMeshTextureSet:new Int32Array(t(e.eachMeshTextureSet)),eachMeshMaterialAttributes:new Uint8Array(t(e.eachMeshMaterialAttributes)),eachEntityId:JSON.parse(Bk.inflate(e.eachEntityId,{to:"string"})),eachEntityMeshesPortion:new Uint32Array(t(e.eachEntityMeshesPortion)),eachTileAABB:new Float64Array(t(e.eachTileAABB)),eachTileEntitiesPortion:new Uint32Array(t(e.eachTileEntitiesPortion))}}(o);!function(e,t,i,r,s,n){var 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J=c[W+4],Y=c[W+5],Z=c[W+6],q=c[W+7],$=c[W+8];if(z){var ee=new Uint8Array(l.subarray(j,G)).buffer,te="".concat(o,"-texture-").concat(V);if(K)r.createTexture({id:te,buffers:[ee],minFilter:J,magFilter:Y,wrapS:Z,wrapT:q,wrapR:$});else{var ie=new Blob([ee],{type:10001===X?"image/jpeg":10002===X?"image/png":"image/gif"}),se=(window.URL||window.webkitURL).createObjectURL(ie),ne=document.createElement("img");ne.src=se,r.createTexture({id:te,image:ne,minFilter:J,magFilter:Y,wrapS:Z,wrapT:q,wrapR:$})}}}for(var oe=0;oe<R;oe++){var ae=5*oe,le="".concat(o,"-textureSet-").concat(oe),ue=g[ae+0],ce=g[ae+1],Ae=g[ae+2],de=g[ae+3],pe=g[ae+4];r.createTextureSet({id:le,colorTextureId:ue>=0?"".concat(o,"-texture-").concat(ue):null,normalsTextureId:Ae>=0?"".concat(o,"-texture-").concat(Ae):null,metallicRoughnessTextureId:ce>=0?"".concat(o,"-texture-").concat(ce):null,emissiveTextureId:de>=0?"".concat(o,"-texture-").concat(de):null,occlusionTextureId:pe>=0?"".concat(o,"-texture-").concat(pe):null})}for(var fe=new Uint32Array(U),ve=0;ve<O;ve++){var ge=M[ve];void 0!==fe[ge]?fe[ge]++:fe[ge]=1}for(var me=re.vec3(),_e=re.AABB3(),ye={},be=0;be<Q;be++){var xe=be===Q-1,we=T[be],Be=xe?N-1:T[be+1]-1,Pe=6*be,Ce=S.subarray(Pe,Pe+6);re.getAABB3Center(Ce,me),_e[0]=Ce[0]-me[0],_e[1]=Ce[1]-me[1],_e[2]=Ce[2]-me[2],_e[3]=Ce[3]-me[0],_e[4]=Ce[4]-me[1],_e[5]=Ce[5]-me[2];for(var Me=zi.createPositionsDecodeMatrix(_e),Ee={},Fe=we;Fe<=Be;Fe++){var ke=I[Fe],Ie=t.globalizeObjectIds?re.globalizeObjectId(r.id,ke):ke,De=Fe===N-1,Se=D[Fe],Te=De?M.length-1:D[Fe+1]-1,Le=[],Re=e.metaScene.metaObjects[Ie],Ue={},Oe={};if(Re){if(t.excludeTypesMap&&Re.type&&t.excludeTypesMap[Re.type])continue;if(t.includeTypesMap&&Re.type&&!t.includeTypesMap[Re.type])continue;var Ne=t.objectDefaults?t.objectDefaults[Re.type]||t.objectDefaults.DEFAULT:null;Ne&&(!1===Ne.visible&&(Ue.visible=!1),!1===Ne.pickable&&(Ue.pickable=!1),Ne.colorize&&(Oe.color=Ne.colorize),void 0!==Ne.opacity&&null!==Ne.opacity&&(Oe.opacity=Ne.opacity),void 0!==Ne.metallic&&null!==Ne.metallic&&(Oe.metallic=Ne.metallic),void 0!==Ne.roughness&&null!==Ne.roughness&&(Oe.roughness=Ne.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var Qe=Se;Qe<=Te;Qe++){var Ve=M[Qe],He=fe[Ve]>1,je=Ve===U-1,Ge=F[Qe],ze=Ge>=0?"".concat(o,"-textureSet-").concat(Ge):null,We=Mk(k.subarray(6*Qe,6*Qe+3)),Ke=k[6*Qe+3]/255,Xe=k[6*Qe+4]/255,Je=k[6*Qe+5]/255,Ye=n.getNextId();if(He){var Ze=E[Qe],qe=m.slice(Ze,Ze+16),$e="".concat(o,"-geometry.").concat(be,".").concat(Ve),et=ye[$e];if(!et){et={batchThisMesh:!t.reuseGeometries};var tt=!1;switch(y[Ve]){case 0:et.primitiveName="solid",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(x[Ve],je?h.length:x[Ve+1]),et.geometryUVs=p.subarray(B[Ve],je?p.length:B[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 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4:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=Ek(et.geometryPositions,f.subarray(P[Ve],je?f.length:P[Ve+1])),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;default:continue}if(tt||(et=null),et&&(et.geometryPositions.length,et.batchThisMesh)){et.decompressedPositions=new Float32Array(et.geometryPositions.length),et.transformedAndRecompressedPositions=new Uint16Array(et.geometryPositions.length);for(var it=et.geometryPositions,rt=et.decompressedPositions,st=0,nt=it.length;st<nt;st+=3)rt[st+0]=it[st+0]*_[0]+_[12],rt[st+1]=it[st+1]*_[5]+_[13],rt[st+2]=it[st+2]*_[10]+_[14];et.geometryPositions=null,ye[$e]=et}}if(et)if(et.batchThisMesh){for(var ot=et.decompressedPositions,at=et.transformedAndRecompressedPositions,lt=0,ut=ot.length;lt<ut;lt+=3)Pk[0]=ot[lt+0],Pk[1]=ot[lt+1],Pk[2]=ot[lt+2],Pk[3]=1,re.transformVec4(qe,Pk,Ck),zi.compressPosition(Ck,_e,Pk),at[lt+0]=Pk[0],at[lt+1]=Pk[1],at[lt+2]=Pk[2];r.createMesh(he.apply(Oe,{id:Ye,textureSetId:ze,origin:me,primitive:et.primitiveName,positionsCompressed:at,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:Me,color:We,metallic:Xe,roughness:Je,opacity:Ke})),Le.push(Ye)}else 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1:ct="surface",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(x[Ve],je?h.length:x[Ve+1]),dt=p.subarray(B[Ve],je?p.length:B[Ve+1]),ft=f.subarray(P[Ve],je?f.length:P[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 2:ct="points",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),pt=d.subarray(w[Ve],je?d.length:w[Ve+1]),gt=At.length>0;break;case 3:ct="lines",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ft=f.subarray(P[Ve],je?f.length:P[Ve+1]),gt=At.length>0&&ft.length>0;break;case 4:ct="lines",ft=Ek(At=A.subarray(b[Ve],je?A.length:b[Ve+1]),f.subarray(P[Ve],je?f.length:P[Ve+1])),gt=At.length>0&&ft.length>0;break;default:continue}gt&&(r.createMesh(he.apply(Oe,{id:Ye,textureSetId:ze,origin:me,primitive:ct,positionsCompressed:At,normalsCompressed:ht,uv:dt&&dt.length>0?dt:null,colorsCompressed:pt,indices:ft,edgeIndices:vt,positionsDecodeMatrix:Me,color:We,metallic:Xe,roughness:Je,opacity:Ke})),Le.push(Ye))}}Le.length>0&&r.createEntity(he.apply(Ue,{id:Ie,isObject:!0,meshIds:Le}))}}}(e,t,a,r,s,n)}},kk=re.vec4(),Ik=re.vec4();var Dk=function(){var e=new Float32Array(3);return function(t){return e[0]=t[0]/255,e[1]=t[1]/255,e[2]=t[2]/255,e}}();function Sk(e,t){var i=[];if(t.length>1)for(var r=0,s=t.length-1;r<s;r++)i.push(t[r]),i.push(t[r+1]);else if(e.length>1)for(var n=0,o=e.length/3-1;n<o;n++)i.push(n),i.push(n+1);return i}!function(){var e=document.createElement("canvas"),t=e.getContext("2d")}();var Tk={version:11,parseArrayBuffer:function(e,t,i,r,s,n){var o=function(e){var t,i,r=(t=new ArrayBuffer(2),new Uint16Array(t)[0]=1,1!==new Uint8Array(t)[0]),s=function(){var t=0,i=new DataView(e);return function(s){var n=1+2*t++,o=i.getUint32(4*n,!0),a=i.getUint32(4*(n+1),!0),l=s.BYTES_PER_ELEMENT;if(r&&l>1)for(var u=new Uint8Array(e,o,a),c=l/2,A=u.length/l,h=0;h<A;h++)for(var d=h*l,p=0;p<c;p++){var f=d+p,v=d-p+l-1,g=u[f];u[f]=u[v],u[v]=g}return new s(e,o,a/l)}}(),n=(i=new TextDecoder,function(){return 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o=n.getNextId(),a=i.metadata,l=i.textureData,u=i.eachTextureDataPortion,c=i.eachTextureAttributes,A=i.positions,h=i.normals,d=i.colors,p=i.uvs,f=i.indices,v=i.edgeIndices,g=i.eachTextureSetTextures,m=i.matrices,_=i.reusedGeometriesDecodeMatrix,y=i.eachGeometryPrimitiveType,b=i.eachGeometryPositionsPortion,x=i.eachGeometryNormalsPortion,w=i.eachGeometryColorsPortion,B=i.eachGeometryUVsPortion,P=i.eachGeometryIndicesPortion,C=i.eachGeometryEdgeIndicesPortion,M=i.eachMeshGeometriesPortion,E=i.eachMeshMatricesPortion,F=i.eachMeshTextureSet,k=i.eachMeshMaterialAttributes,I=i.eachEntityId,D=i.eachEntityMeshesPortion,S=i.eachTileAABB,T=i.eachTileEntitiesPortion,L=u.length,R=g.length/5,U=b.length,O=M.length,N=D.length,Q=T.length;s&&s.loadData(a,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds});for(var V=0;V<L;V++){var H=V===L-1,j=u[V],G=H?l.length:u[V+1],z=G-j>0,W=9*V,K=1===c[W+0],X=c[W+1];c[W+2],c[W+3];var J=c[W+4],Y=c[W+5],Z=c[W+6],q=c[W+7],$=c[W+8];if(z){var ee=new Uint8Array(l.subarray(j,G)).buffer,te="".concat(o,"-texture-").concat(V);if(K)r.createTexture({id:te,buffers:[ee],minFilter:J,magFilter:Y,wrapS:Z,wrapT:q,wrapR:$});else{var ie=new Blob([ee],{type:10001===X?"image/jpeg":10002===X?"image/png":"image/gif"}),se=(window.URL||window.webkitURL).createObjectURL(ie),ne=document.createElement("img");ne.src=se,r.createTexture({id:te,image:ne,minFilter:J,magFilter:Y,wrapS:Z,wrapT:q,wrapR:$})}}}for(var oe=0;oe<R;oe++){var ae=5*oe,le="".concat(o,"-textureSet-").concat(oe),ue=g[ae+0],ce=g[ae+1],Ae=g[ae+2],de=g[ae+3],pe=g[ae+4];r.createTextureSet({id:le,colorTextureId:ue>=0?"".concat(o,"-texture-").concat(ue):null,normalsTextureId:Ae>=0?"".concat(o,"-texture-").concat(Ae):null,metallicRoughnessTextureId:ce>=0?"".concat(o,"-texture-").concat(ce):null,emissiveTextureId:de>=0?"".concat(o,"-texture-").concat(de):null,occlusionTextureId:pe>=0?"".concat(o,"-texture-").concat(pe):null})}for(var fe=new Uint32Array(U),ve=0;ve<O;ve++){var ge=M[ve];void 0!==fe[ge]?fe[ge]++:fe[ge]=1}for(var me=re.vec3(),_e=re.AABB3(),ye={},be=0;be<Q;be++){var xe=be===Q-1,we=T[be],Be=xe?N-1:T[be+1]-1,Pe=6*be,Ce=S.subarray(Pe,Pe+6);re.getAABB3Center(Ce,me),_e[0]=Ce[0]-me[0],_e[1]=Ce[1]-me[1],_e[2]=Ce[2]-me[2],_e[3]=Ce[3]-me[0],_e[4]=Ce[4]-me[1],_e[5]=Ce[5]-me[2];for(var Me=zi.createPositionsDecodeMatrix(_e),Ee={},Fe=we;Fe<=Be;Fe++){var ke=I[Fe],Ie=t.globalizeObjectIds?re.globalizeObjectId(r.id,ke):ke,De=Fe===N-1,Se=D[Fe],Te=De?M.length-1:D[Fe+1]-1,Le=[],Re=e.metaScene.metaObjects[Ie],Ue={},Oe={};if(Re){if(t.excludeTypesMap&&Re.type&&t.excludeTypesMap[Re.type])continue;if(t.includeTypesMap&&Re.type&&!t.includeTypesMap[Re.type])continue;var Ne=t.objectDefaults?t.objectDefaults[Re.type]||t.objectDefaults.DEFAULT:null;Ne&&(!1===Ne.visible&&(Ue.visible=!1),!1===Ne.pickable&&(Ue.pickable=!1),Ne.colorize&&(Oe.color=Ne.colorize),void 0!==Ne.opacity&&null!==Ne.opacity&&(Oe.opacity=Ne.opacity),void 0!==Ne.metallic&&null!==Ne.metallic&&(Oe.metallic=Ne.metallic),void 0!==Ne.roughness&&null!==Ne.roughness&&(Oe.roughness=Ne.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var Qe=Se;Qe<=Te;Qe++){var Ve=M[Qe],He=fe[Ve]>1,je=Ve===U-1,Ge=F[Qe],ze=Ge>=0?"".concat(o,"-textureSet-").concat(Ge):null,We=Dk(k.subarray(6*Qe,6*Qe+3)),Ke=k[6*Qe+3]/255,Xe=k[6*Qe+4]/255,Je=k[6*Qe+5]/255,Ye=n.getNextId();if(He){var Ze=E[Qe],qe=m.slice(Ze,Ze+16),$e="".concat(o,"-geometry.").concat(be,".").concat(Ve),et=ye[$e];if(!et){et={batchThisMesh:!t.reuseGeometries};var tt=!1;switch(y[Ve]){case 0:et.primitiveName="solid",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(x[Ve],je?h.length:x[Ve+1]),et.geometryUVs=p.subarray(B[Ve],je?p.length:B[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 1:et.primitiveName="surface",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(x[Ve],je?h.length:x[Ve+1]),et.geometryUVs=p.subarray(B[Ve],je?p.length:B[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 2:et.primitiveName="points",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryColors=d.subarray(w[Ve],je?d.length:w[Ve+1]),tt=et.geometryPositions.length>0;break;case 3:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=f.subarray(P[Ve],je?f.length:P[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 4:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=Sk(et.geometryPositions,f.subarray(P[Ve],je?f.length:P[Ve+1])),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;default:continue}if(tt||(et=null),et&&(et.geometryPositions.length,et.batchThisMesh)){et.decompressedPositions=new Float32Array(et.geometryPositions.length),et.transformedAndRecompressedPositions=new Uint16Array(et.geometryPositions.length);for(var it=et.geometryPositions,rt=et.decompressedPositions,st=0,nt=it.length;st<nt;st+=3)rt[st+0]=it[st+0]*_[0]+_[12],rt[st+1]=it[st+1]*_[5]+_[13],rt[st+2]=it[st+2]*_[10]+_[14];et.geometryPositions=null,ye[$e]=et}}if(et)if(et.batchThisMesh){for(var 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n=i[r];switch(n.type){case"RenderingRootFeature":break;case"Feature":if("RenderingFeature"===n.Alias){var o,a,l,u,c={},A={},h=n.children;for(o=0,a=h.length;o<a;o++)switch((l=h[o]).Name){case"AmbientCoef":c.ambient=parseFloat(l.Value);break;case"DiffuseCoef":c.diffuse=parseFloat(l.Value);break;case"EmissiveCoef":c.emissive=parseFloat(l.Value);break;case"SpecularExponent":c.specular=parseFloat(l.Value)}for(o=0,a=h.length;o<a;o++)switch((l=h[o]).Name){case"AmbientColor":A.ambient=Jk(l.Value,c.ambient);break;case"DiffuseColor":A.diffuse=Jk(l.Value,c.diffuse);break;case"EmissiveColor":A.emissive=Jk(l.Value,c.emissive);break;case"SpecularColor":A.specular=Jk(l.Value,c.specular);break;case"Transparency":var d=1-parseFloat(l.Value);d<1&&(A.alpha=d,A.alphaMode="blend")}switch(e.materialType){case"MetallicMaterial":u=new Qn(e.modelNode,{baseColor:A.diffuse,metallic:.7,roughness:.5,emissive:A.emissive,alpha:A.alpha,alphaMode:A.alphaMode});break;case"SpecularMaterial":u=new jn(e.modelNode,{diffuse:A.diffuse,specular:A.specular,glossiness:.5,emissive:A.emissive,alpha:A.alpha,alphaMode:A.alphaMode});break;default:u=new $i(e.modelNode,{reflectivity:.5,ambient:A.ambient,diffuse:A.diffuse,specular:A.specular,emissive:A.emissive,alphaMode:A.alphaMode,alpha:t.alpha})}return u}}}}function Jk(e,t){t=void 0!==t?t:.5;var i=e.indexOf("["),r=e.indexOf("]");e=(e=e.substring(i+1,r-i)).split(",");for(var s=new Float32Array(e.length),n=0,o=0,a=e.length;o<a;o++)for(var l=e[o],u=0,c=(l=l.trim().split(" ")).length;u<c;u++)""!==l[u]&&(s[n++]=parseFloat(l[u])*t);return s}var Yk=function(){var e={};function t(e,i){if(e.nodeType===e.TEXT_NODE){var r=e.nodeValue;if(null===r.match(/^\s+$/))return r}else if(e.nodeType===e.ELEMENT_NODE||e.nodeType===e.DOCUMENT_NODE){var s={type:e.nodeName,children:[]};if(e.nodeType===e.ELEMENT_NODE)for(var n=0;n<e.attributes.length;n++){var o=e.attributes[n];s[i[o.nodeName]||o.nodeName]=o.nodeValue}for(var 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s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getIFC(t.src,(function(e){s._parseModel(e,t,i,r),n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){if(!r.destroyed){var s=t.stats||{};if(s.sourceFormat="IFC",s.schemaVersion="",s.title="",s.author="",s.created="",s.numMetaObjects=0,s.numPropertySets=0,s.numObjects=0,s.numGeometries=0,s.numTriangles=0,s.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";var n=new Uint8Array(e),o=this._ifcAPI.OpenModel(n),a=this._ifcAPI.GetModelSchema(o),l=this._ifcAPI.GetLineIDsWithType(o,this._webIFC.IFCPROJECT).get(0),u=!1!==t.loadMetadata,c={modelID:o,modelSchema:a,sceneModel:r,loadMetadata:u,metadata:u?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:s};if(u){if(i.includeTypes){c.includeTypes={};for(var A=0,h=i.includeTypes.length;A<h;A++)c.includeTypes[i.includeTypes[A]]=!0}if(i.excludeTypes){c.excludeTypes={};for(var d=0,p=i.excludeTypes.length;d<p;d++)c.excludeTypes[i.excludeTypes[d]]=!0}this._parseMetaObjects(c),this._parsePropertySets(c)}if(this._parseGeometry(c),r.finalize(),u){var f=r.id;this.viewer.metaScene.createMetaModel(f,c.metadata,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))}))}}},{key:"_parseMetaObjects",value:function(e){var t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}},{key:"_parseSpatialChildren",value:function(e,t,i){var r=this._ifcAPI.GetNameFromTypeCode(t.type);if((!e.includeTypes||e.includeTypes[r])&&(!e.excludeTypes||!e.excludeTypes[r])){this._createMetaObject(e,t,i);var s=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,s),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,s)}}},{key:"_createMetaObject",value:function(e,t,i){var r=t.GlobalId.value,s=this._ifcAPI.GetNameFromTypeCode(t.type),n={id:r,name:t.Name&&""!==t.Name.value?t.Name.value:s,type:s,parent:i};e.metadata.metaObjects.push(n),e.metaObjects[r]=n,e.stats.numMetaObjects++}},{key:"_parseRelatedItemsOfType",value:function(e,t,i,r,s,n){for(var o=this,a=this._ifcAPI.GetLineIDsWithType(e.modelID,s),l=0;l<a.size();l++){var u=a.get(l),c=this._ifcAPI.GetLine(e.modelID,u),A=c[i],h=!1;if(Array.isArray(A))h=A.map((function(e){return e.value})).includes(t);else h=A.value===t;if(h){var d=c[r];if(Array.isArray(d))d.forEach((function(t){var i=o._ifcAPI.GetLine(e.modelID,t.value);o._parseSpatialChildren(e,i,n)}));else{var p=this._ifcAPI.GetLine(e.modelID,d.value);this._parseSpatialChildren(e,p,n)}}}}},{key:"_parsePropertySets",value:function(e){for(var t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES),i=0;i<t.size();i++){var r=t.get(i),s=this._ifcAPI.GetLine(e.modelID,r,!0);if(s){var n=s.RelatingPropertyDefinition;if(!n)continue;var o=n.GlobalId.value,a=n.HasProperties;if(a&&a.length>0){for(var l=n.Name.value,u=[],c=0,A=a.length;c<A;c++){var h=a[c],d=h.Name,p=h.NominalValue;if(d&&p){var 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M=e.options.globalizeObjectIds?re.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:M,meshIds:n,isObject:!0}),e.stats.numObjects++}))}}]),i}(),tI=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getLAS",value:function(e,t,i){e=this._cacheBusterURL(e);var r=function(){};t=t||r,i=i||r;var s=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(s){var n=!!s[2],o=s[3];o=window.decodeURIComponent(o),n&&(o=window.atob(o));try{for(var a=new ArrayBuffer(o.length),l=new Uint8Array(a),u=0;u<o.length;u++)l[u]=o.charCodeAt(u);t(a)}catch(e){i(e)}}else{var c=new XMLHttpRequest;c.open("GET",e,!0),c.responseType="arraybuffer",c.onreadystatechange=function(){4===c.readyState&&(200===c.status?t(c.response):i("getXKT error : 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t=0,i=0,r=0,s=new DataView(e),n=new Uint8Array(6e3),o=function(r){var n,o,a=r.item,l=r.format,u=r.size;switch(l){case"char":return o=new Uint8Array(e,t,u),t+=u,[a,n=aI(o)];case"uShort":return n=s.getUint16(t,!0),t+=u,[a,n];case"uLong":return n=s.getUint32(t,!0),"NumberOfVariableLengthRecords"===a&&(i=n),t+=u,[a,n];case"uChar":return n=s.getUint8(t),t+=u,[a,n];case"double":return n=s.getFloat64(t,!0),t+=u,[a,n];default:t+=u}};return function(){var e={};rI.forEach((function(t){var i=o(l({},t));if(void 0!==i){if("FileSignature"===i[0]&&"LASF"!==i[1])throw new Error("Ivalid FileSignature. 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LI(e,t,i){this.i=e,this.x=t,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function RI(e,t,i,r){for(var s=0,n=t,o=i-r;n<i;n+=r)s+=(e[o]-e[n])*(e[n+1]+e[o+1]),o=n;return s}AI.deviation=function(e,t,i,r){var s=t&&t.length,n=s?t[0]*i:e.length,o=Math.abs(RI(e,0,n,i));if(s)for(var a=0,l=t.length;a<l;a++){var u=t[a]*i,c=a<l-1?t[a+1]*i:e.length;o-=Math.abs(RI(e,u,c,i))}var A=0;for(a=0;a<r.length;a+=3){var h=r[a]*i,d=r[a+1]*i,p=r[a+2]*i;A+=Math.abs((e[h]-e[p])*(e[d+1]-e[h+1])-(e[h]-e[d])*(e[p+1]-e[h+1]))}return 0===o&&0===A?0:Math.abs((A-o)/o)},AI.flatten=function(e){for(var t=e[0][0].length,i={vertices:[],holes:[],dimensions:t},r=0,s=0;s<e.length;s++){for(var n=0;n<e[s].length;n++)for(var o=0;o<t;o++)i.vertices.push(e[s][n][o]);s>0&&(r+=e[s-1].length,i.holes.push(r))}return i};var UI=re.vec2(),OI=re.vec3(),NI=re.vec3(),QI=re.vec3(),VI=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"cityJSONLoader",e,s)).dataSource=s.dataSource,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new cI}},{key:"load",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new Vh(this.viewer.scene,he.apply(e,{isModel:!0,edges:!0}));if(!e.src&&!e.cityJSON)return this.error("load() param expected: src or cityJSON"),t;var i={};if(e.src)this._loadModel(e.src,e,i,t);else{var r=this.viewer.scene.canvas.spinner;r.processes++,this._parseModel(e.cityJSON,e,i,t),r.processes--}return t}},{key:"_loadModel",value:function(e,t,i,r){var s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getCityJSON(t.src,(function(e){s._parseModel(e,t,i,r),n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){if(!r.destroyed){var s=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,n=t.stats||{};n.sourceFormat=e.type||"CityJSON",n.schemaVersion=e.version||"",n.title="",n.author="",n.created="",n.numMetaObjects=0,n.numPropertySets=0,n.numObjects=0,n.numGeometries=0,n.numTriangles=0,n.numVertices=0;var o=!1!==t.loadMetadata,a=o?{id:re.createUUID(),name:"Model",type:"Model"}:null,l=o?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,u={data:e,vertices:s,sceneModel:r,loadMetadata:o,metadata:l,rootMetaObject:a,nextId:0,stats:n};if(this._parseCityJSON(u),r.finalize(),o){var c=r.id;this.viewer.metaScene.createMetaModel(c,u.metadata,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))}))}}},{key:"_transformVertices",value:function(e,t,i){for(var r=[],s=t.scale||re.vec3([1,1,1]),n=t.translate||re.vec3([0,0,0]),o=0,a=0;o<e.length;o++,a+=3){var l=e[o][0]*s[0]+n[0],u=e[o][1]*s[1]+n[1],c=e[o][2]*s[2]+n[2];i?r.push([l,c,u]):r.push([l,u,c])}return r}},{key:"_parseCityJSON",value:function(e){var t=e.data.CityObjects;for(var i in t)if(t.hasOwnProperty(i)){var r=t[i];this._parseCityObject(e,r,i)}}},{key:"_parseCityObject",value:function(e,t,i){var r=e.sceneModel,s=e.data;if(e.loadMetadata){var n=i,o=t.type,a=o+" : "+i,l=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:n,name:a,type:o,parent:l})}if(e.stats.numMetaObjects++,t.geometry&&t.geometry.length>0){for(var u=[],c=0,A=t.geometry.length;c<A;c++){var h=t.geometry[c],d=void 0,p=void 0,f=s.appearance;if(f){var v=f.materials;if(v){var g=h.material;if(g){var m=Object.keys(g);if(m.length>0){var _=g[m[0]];if(void 0!==_.value)d=v[_.value];else{var y=_.values;if(y){p=[];for(var b=0,x=y.length;b<x;b++){var w=v[y[c]];p.push(w)}}}}}}}p?this._parseGeometrySurfacesWithOwnMaterials(e,h,p,u):this._parseGeometrySurfacesWithSharedMaterial(e,h,d,u)}u.length>0&&(r.createEntity({id:i,meshIds:u,isObject:!0}),e.stats.numObjects++)}}},{key:"_parseGeometrySurfacesWithOwnMaterials",value:function(e,t,i,r){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":var s=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,s,r);break;case"Solid":for(var n=t.boundaries,o=0;o<n.length;o++){var a=n[o];this._parseSurfacesWithOwnMaterials(e,i,a,r)}break;case"MultiSolid":case"CompositeSolid":for(var l=t.boundaries,u=0;u<l.length;u++)for(var c=0;c<l[u].length;c++){var A=l[u][c];this._parseSurfacesWithOwnMaterials(e,i,A,r)}}}},{key:"_parseSurfacesWithOwnMaterials",value:function(e,t,i,r){for(var s=e.vertices,n=e.sceneModel,o=0;o<i.length;o++){for(var a=i[o],l=t[o]||{diffuseColor:[.8,.8,.8],transparency:1},u=[],c=[],A=[],d={positions:[],indices:[]},p=0;p<a.length;p++){u.length>0&&c.push(u.length);var f=this._extractLocalIndices(e,a[p],A,d);u.push.apply(u,h(f))}if(3===u.length)d.indices.push(u[0]),d.indices.push(u[1]),d.indices.push(u[2]);else if(u.length>3){for(var v=[],g=0;g<u.length;g++)v.push({x:s[A[u[g]]][0],y:s[A[u[g]]][1],z:s[A[u[g]]][2]});for(var m=this._getNormalOfPositions(v,re.vec3()),_=[],y=0;y<v.length;y++)this._to2D(v[y],m,UI),_.unshift(UI[0]),_.unshift(UI[1]);for(var b=AI(_,c,2),x=0;x<b.length;x+=3)d.indices.unshift(u[b[x]]),d.indices.unshift(u[b[x+1]]),d.indices.unshift(u[b[x+2]])}var w=""+e.nextId++;n.createMesh({id:w,primitive:"triangles",positions:d.positions,indices:d.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),r.push(w),e.stats.numGeometries++,e.stats.numVertices+=d.positions.length/3,e.stats.numTriangles+=d.indices.length/3}}},{key:"_parseGeometrySurfacesWithSharedMaterial",value:function(e,t,i,r){var s=e.sceneModel,n=[],o={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":var a=t.boundaries;this._parseSurfacesWithSharedMaterial(e,a,n,o);break;case"Solid":for(var l=t.boundaries,u=0;u<l.length;u++){var c=l[u];this._parseSurfacesWithSharedMaterial(e,c,n,o)}break;case"MultiSolid":case"CompositeSolid":for(var A=t.boundaries,h=0;h<A.length;h++)for(var d=0;d<A[h].length;d++){var p=A[h][d];this._parseSurfacesWithSharedMaterial(e,p,n,o)}}if(o.positions.length>0&&o.indices.length>0){var f=""+e.nextId++;s.createMesh({id:f,primitive:"triangles",positions:o.positions,indices:o.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),r.push(f),e.stats.numGeometries++,e.stats.numVertices+=o.positions.length/3,e.stats.numTriangles+=o.indices.length/3}}},{key:"_parseSurfacesWithSharedMaterial",value:function(e,t,i,r){for(var s=e.vertices,n=0;n<t.length;n++){for(var o=[],a=[],l=0;l<t[n].length;l++){o.length>0&&a.push(o.length);var u=this._extractLocalIndices(e,t[n][l],i,r);o.push.apply(o,h(u))}if(3===o.length)r.indices.push(o[0]),r.indices.push(o[1]),r.indices.push(o[2]);else if(o.length>3){for(var c=[],A=0;A<o.length;A++)c.push({x:s[i[o[A]]][0],y:s[i[o[A]]][1],z:s[i[o[A]]][2]});for(var d=this._getNormalOfPositions(c,re.vec3()),p=[],f=0;f<c.length;f++)this._to2D(c[f],d,UI),p.unshift(UI[0]),p.unshift(UI[1]);for(var v=AI(p,a,2),g=0;g<v.length;g+=3)r.indices.unshift(o[v[g]]),r.indices.unshift(o[v[g+1]]),r.indices.unshift(o[v[g+2]])}}}},{key:"_extractLocalIndices",value:function(e,t,i,r){for(var s=e.vertices,n=[],o=0,a=t.length;o<a;o++){var l=t[o];if(i.includes(l)){var u=i.indexOf(l);n.push(u)}else r.positions.push(s[l][0]),r.positions.push(s[l][1]),r.positions.push(s[l][2]),n.push(i.length),i.push(l)}return n}},{key:"_getNormalOfPositions",value:function(e,t){for(var i=0;i<e.length;i++){var r=i+1;r===e.length&&(r=0),t[0]+=(e[i].y-e[r].y)*(e[i].z+e[r].z),t[1]+=(e[i].z-e[r].z)*(e[i].x+e[r].x),t[2]+=(e[i].x-e[r].x)*(e[i].y+e[r].y)}return re.normalizeVec3(t)}},{key:"_to2D",value:function(e,t,i){var r=OI,s=NI,n=QI;r[0]=e.x,r[1]=e.y,r[2]=e.z,s[0]=t.x,s[1]=t.y,s[2]=t.z,n[0]=1.1,n[1]=1.1,n[2]=1.1,re.lenVec3(re.subVec3(n,s))<.01&&(n[0]+=1,n[1]+=2,n[2]+=3);var o=re.dotVec3(n,s),a=re.mulVec3Scalar(s,o,re.vec3());n[0]-=a[0],n[1]-=a[1],n[2]-=a[2],re.normalizeVec3(n);var l=re.cross3Vec3(s,n,re.vec3()),u=re.dotVec3(r,n),c=re.dotVec3(r,l);i[0]=u,i[1]=c}}]),i}(),HI=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getDotBIM",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}}]),e}(),jI=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"DotBIMLoader",e,s)).dataSource=s.dataSource,r.objectDefaults=s.objectDefaults,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new HI}},{key:"objectDefaults",get:function(){return this._objectDefaults},set:function(e){this._objectDefaults=e||OE}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new Vh(this.viewer.scene,he.apply(t,{isModel:!0,backfaces:t.backfaces,dtxEnabled:t.dtxEnabled,rotation:t.rotation,origin:t.origin})),r=i.id;if(!t.src&&!t.dotBIM)return this.error("load() param expected: src or dotBIM"),i;var s,n,o=t.objectDefaults||this._objectDefaults||OE;if(t.includeTypes){s={};for(var a=0,l=t.includeTypes.length;a<l;a++)s[t.includeTypes[a]]=!0}if(t.excludeTypes){n={},s||(s={});for(var u=0,c=t.excludeTypes.length;u<c;u++)s[t.excludeTypes[u]]=!0}var d=function(t){for(var i=t.fileData,a=t.sceneModel,l={},u=re.createUUID(),c=re.createUUID(),d=re.createUUID(),p=re.createUUID(),f={metaObjects:[{id:u,name:"Project",type:"Project",parent:null},{id:c,name:"Site",type:"Site",parent:u},{id:d,name:"Building",type:"Building",parent:c},{id:p,name:"BuildingStorey",type:"BuildingStorey",parent:d}],propertySets:[]},v=i.elements,g=function(e,t){var r=v[e],u=r.type;if(n&&n[u])return"continue";if(s&&!s[u])return"continue";var c=r.info,d=void 0!==r.guid?"".concat(r.guid):void 0!==c&&void 0!==c.id?c.id:e,g=r.mesh_id,m=r.vector,_=r.rotation,y=o?o[u]||o.DEFAULT:null,b=!0,x=!0;if(void 0===r.face_colors){!function(e,t){if(!l[e]){var r=i.meshes.find((function(e){return e.mesh_id===t.mesh_id}));a.createGeometry({id:e,primitive:"triangles",positions:r.coordinates,indices:r.indices}),l[e]=!0}}(g,r);var w="".concat(d,"-mesh"),B=r.color?[r.color.r/255,r.color.g/255,r.color.b/255]:[1,1,1],P=r.color?r.color.a/255:1;y&&(!1===y.visible&&(b=!1),!1===y.pickable&&(x=!1),y.colorize&&(B=y.colorize),void 0!==y.opacity&&null!==y.opacity&&(P=y.opacity)),a.createMesh({id:w,geometryId:g,color:B,opacity:P,quaternion:!_||0===_.qz&&0===_.qy&&0===_.qx&&1===_.qw?void 0:[_.qx,_.qy,_.qz,_.qw],position:m?[m.x,m.y,m.z]:void 0}),a.createEntity({id:d,meshIds:[w],visible:b,pickable:x,isObject:!0})}else{for(var C=r.face_colors,M={},E=0,F=i.meshes.find((function(e){return e.mesh_id===r.mesh_id})),k=0,I=C.length;k<I;k+=4){var D=[C[k],C[k+1],C[k+2],C[k+3]];void 0===M[D]&&(M[D]=[]);var S=F.indices[E],T=F.coordinates[3*S],L=F.coordinates[3*S+1],R=F.coordinates[3*S+2],U=F.indices[E+1],O=F.coordinates[3*U],N=F.coordinates[3*U+1],Q=F.coordinates[3*U+2],V=F.indices[E+2],H=F.coordinates[3*V],j=F.coordinates[3*V+1],G=F.coordinates[3*V+2];M[D].push(T,L,R,O,N,Q,H,j,G),E+=3}for(var z=[],W=0,K=Object.entries(M);W<K.length;W++){var X=A(K[W],2),J=X[0],Y=X[1];a.createGeometry({id:"".concat(g,"-").concat(J),primitive:"triangles",positions:Y,indices:h(Array(Y.length/3).keys())});var Z="".concat(d,"-mesh-").concat(J),q=J.split(",").map(Number),$=[q[0]/255,q[1]/255,q[2]/255],ee=q[3]/255;y&&(!1===y.visible&&(b=!1),!1===y.pickable&&(x=!1),y.colorize&&($=y.colorize),void 0!==y.opacity&&null!==y.opacity&&(ee=y.opacity)),a.createMesh({id:Z,geometryId:"".concat(g,"-").concat(J),color:$,opacity:ee,quaternion:!_||0===_.qz&&0===_.qy&&0===_.qx&&1===_.qw?void 0:[_.qx,_.qy,_.qz,_.qw],position:m?[m.x,m.y,m.z]:void 0}),z.push(Z)}a.createEntity({id:d,meshIds:z,visible:b,pickable:x,isObject:!0})}var te=[];for(var ie in c)te.push({name:ie,value:c[ie]});f.propertySets.push({id:d,name:"Properties",properties:te}),f.metaObjects.push({id:d,name:c&&c.Name&&"None"!==c.Name?c.Name:"".concat(r.type," ").concat(d),type:r.type,parent:p,propertySetIds:[d]})},m=0,_=v.length;m<_;m++)g(m);a.finalize(),e.viewer.metaScene.createMetaModel(r,f),a.scene.once("tick",(function(){a.destroyed||(a.scene.fire("modelLoaded",a.id),a.fire("loaded",!0,!1))}))};if(t.src){var p=t.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(p,(function(t){d({fileData:t,sceneModel:i,nextId:0,error:function(e){}}),e.viewer.scene.canvas.spinner.processes--}),(function(t){e.viewer.scene.canvas.spinner.processes--,e.error(t)}))}else if(t.dotBIM){var f={fileData:t.dotBIM,sceneModel:i,nextId:0,error:function(e){}};d(f)}return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),GI=function(e){var t=function(t){return parseInt(e.substr(t+1,2),16)/255};return[t(0),t(2),t(4)]},zI=function(e){for(var t=[],i=0;i<e.length;++i)t.push(i);var r=function(){for(var i=re.vec2(),r=re.vec2(),s=0,n=0;n<t.length;++n){var o=e[t[n]],a=e[t[(n+1)%t.length]],l=e[t[(n+2)%t.length]];re.subVec2(o,a,i),re.subVec2(l,a,r);var u=re.dotVec2(i,r)/Math.sqrt(re.sqLenVec2(i)*re.sqLenVec2(r)),c=Math.acos(Math.max(-1,Math.min(u,1)));s+=i[0]*r[1]-i[1]*r[0]>=0?c:2*Math.PI-c}return s<t.length*Math.PI}(),s=function(){var e=function(e,t,i){return(e[0]-i[0])*(t[1]-i[1])-(t[0]-i[0])*(e[1]-i[1])};return function(t,i,r,s){var n=e(t,i,r),o=e(t,r,s),a=e(t,s,i);return!((n<0||o<0||a<0)&&(n>0||o>0||a>0))}}(),n=[],o=(r?t:t.slice(0).reverse()).map((function(e){return{idx:e}}));o.forEach((function(e,t){e.prev=o[(t-1+o.length)%o.length],e.next=o[(t+1)%o.length]}));for(var a=re.vec2(),l=re.vec2();o.length>2;){for(var u=0,c=function(){if(u>=o.length)throw"isCCW = ".concat(r,"; earIdx = ").concat(u,"; len = ").concat(o.length);var t=o[u],i=e[t.prev.idx],n=e[t.idx],c=e[t.next.idx];if(re.subVec2(i,n,a),re.subVec2(c,n,l),a[0]*l[1]-a[1]*l[0]>=0&&o.every((function(r){return r===t||r===t.prev||r===t.next||!s(e[r.idx],i,n,c)})))return"break";++u};;){if("break"===c())break}var A=o[u];o.splice(u,1),n.push([A.idx,A.next.idx,A.prev.idx]),A.prev.next=A.next,A.next.prev=A.prev}return[e,n,r]},WI=function(e,t){var i=e.canvas.canvas,r=i.parentNode,s=document.createElement("div");r.insertBefore(s,i);var n=5;s.style.background=t,s.style.border="2px solid white",s.style.margin="0 0",s.style.zIndex="100",s.style.position="absolute",s.style.pointerEvents="none",s.style.display="none";var o=new at(e,{}),a=function(e){return e+"px"},l=function(){var e=o.canvasPos.slice();ut(i,r,e),s.style.left=a(e[0]-3-n/2),s.style.top=a(e[1]-3-n/2),s.style.borderRadius=a(2*n),s.style.width=a(n),s.style.height=a(n)},u=e.camera.on("viewMatrix",l),c=e.camera.on("projMatrix",l);return{update:function(e){e&&(o.worldPos=e,l()),s.style.display=e?"":"none"},setHighlighted:function(e){n=e?10:5,l()},getCanvasPos:function(){return o.canvasPos},getWorldPos:function(){return o.worldPos},destroy:function(){s.parentNode.removeChild(s),e.camera.off(u),e.camera.off(c),o.destroy()}}},KI=function(e,t,i){var r=null,s=function(s){if(s){r&&r.destroy();try{var n,o,a=zI(s.map((function(e){return[e[0],e[2]]}))),l=A(a,2),u=l[0],c=l[1],d=(n=[]).concat.apply(n,h(u.map((function(e){return[e[0],s[0][1],e[1]]})))),p=(o=[]).concat.apply(o,h(c));r=new _n(e,{pickable:!1,geometry:new Xi(e,{positions:d,indices:p,normals:re.buildNormals(d,p)}),material:new $i(e,{alpha:void 0!==i?i:.5,backfaces:!0,diffuse:GI(t)})})}catch(e){r=null}}r&&(r.visible=!!s)};return s(null),{updateBase:s,destroy:function(){return r&&r.destroy()}}},XI=function(e,t){return function(i,r,s){var n=e.scene,o=n.canvas.canvas,a=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,ut(o.ownerDocument.documentElement,o,t),t},l=function(e){var i=re.vec3(),r=re.vec3();return re.canvasPosToWorldRay(o,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,i,r),t(i,r)},u=!1,c=function(){u=!1},A=function(){c(),o.removeEventListener("mousedown",d),o.removeEventListener("mousemove",p),e.cameraControl.off(f),o.removeEventListener("mouseup",v)},h=re.vec2(),d=function(e){1===e.which&&(a(e,h),u=!0)};o.addEventListener("mousedown",d);var p=function(e){var t=a(e,re.vec2());u&&re.distVec2(h,t)>20&&(c(),i())};o.addEventListener("mousemove",p);var f=e.cameraControl.on("rayMove",(function(e){var t=e.canvasPos;r(t,l(t))})),v=function(e){if(1===e.which&&u){A();var t=a(e,re.vec2());s(t,l(t))}};return o.addEventListener("mouseup",v),A}},JI=function(e,t,i,r){var s=-(re.dotVec3(i,t)-e)/re.dotVec3(r,t),n=re.vec3();return re.mulVec3Scalar(r,s,n),re.addVec3(i,n,n),n},YI=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";return r._eventSubs={},r.plugin.viewer.scene,r._geometry=s.geometry,s.onMouseOver,s.onMouseLeave,s.onContextMenu,r._alpha="alpha"in s&&void 0!==s.alpha?s.alpha:.5,r.color=s.color,r._visible=!0,r._rebuildMesh(),r}return C(i,[{key:"_rebuildMesh",value:function(){var e,t=this.plugin.viewer.scene,i=this._geometry.planeCoordinates.slice(),r=this._geometry.height<0,s=this._geometry.altitude+(r?this._geometry.height:0),n=this._geometry.height*(r?-1:1),o=A(zI(i),3),a=o[0],l=o[1],u=o[2],d=[],p=[],f=function(e){var t,i=d.length,r=c(a);try{for(r.s();!(t=r.n()).done;){var o=t.value;d.push([o[0],s+(e?n:0),o[1]])}}catch(e){r.e(e)}finally{r.f()}var u,A=c(l);try{for(A.s();!(u=A.n()).done;){var f=u.value;p.push.apply(p,h((e?f:f.slice(0).reverse()).map((function(e){return e+i}))))}}catch(e){A.e(e)}finally{A.f()}};f(!1),f(!0);for(var v=function(e){var t=a[e],i=a[(a.length+e+(u?1:-1))%a.length],r=s,o=s+n,l=d.length;d.push([t[0],r,t[1]],[i[0],r,i[1]],[i[0],o,i[1]],[t[0],o,t[1]]),p.push.apply(p,h([0,1,2,0,2,3].map((function(e){return e+l}))))},g=0;g<a.length;++g)v(g);this._zoneMesh&&this._zoneMesh.destroy();var m=(e=[]).concat.apply(e,d);this._zoneMesh=new _n(t,{edges:this._edges,geometry:new Xi(t,{positions:m,indices:p,normals:re.buildNormals(m,p)}),material:new $i(t,{alpha:this._alpha,backfaces:!0,diffuse:GI(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;var _,y=re.vec2(),b=re.vec2(),x=0,w=c(l);try{for(w.s();!(_=w.n()).done;){var B=_.value,P=a[B[0]],C=a[B[1]],M=a[B[2]];re.subVec2(C,P,y),re.subVec2(M,P,b),x+=Math.abs(y[0]*b[1]-y[1]*b[0])}}catch(e){w.e(e)}finally{w.f()}this._baseArea=x/2,this._metrics=null;var E=function(e){return Math.min.apply(Math,h(d.map((function(t){return t[e]}))))},F=function(e){return Math.max.apply(Math,h(d.map((function(t){return t[e]}))))},k=E(0),I=E(1),D=E(2),S=F(0),T=F(1),L=F(2);this._center=re.vec3([(k+S)/2,(I+T)/2,(D+L)/2])}},{key:"baseArea",get:function(){return this._baseArea}},{key:"area",get:function(){return this._getMetrics().area}},{key:"volume",get:function(){return this._getMetrics().volume}},{key:"_getMetrics",value:function(){if(null===this._metrics){for(var e=0,t=0,i=this._zoneMesh.geometry,r=[re.vec3(),re.vec3(),re.vec3()],s=re.vec3(),n=0;n<i.indices.length;n+=3){for(var o=0;o<3;++o)for(var a=r[o],l=3*i.indices[n+o],u=0;u<3;++u)a[u]=i.positions[l+u];e+=re.dotVec3(r[0],re.cross3Vec3(r[1],r[2],s)),re.subVec3(r[1],r[0],r[1]),re.subVec3(r[2],r[0],r[2]),t+=re.lenVec3(re.cross3Vec3(r[1],r[2],s))}this._metrics={area:t/2,volume:e/6}}return this._metrics}},{key:"sectionedAverage",value:function(e){var t=this._geometry.planeCoordinates.slice(),i=[],r=this._geometry.height,s=this._geometry.altitude,n=s+Math.max(0,r),o=s+Math.min(0,r),a=function(e){var r=t.map((function(t){return[t[0],e?n:o,t[1]]}));i.push(e?r:r.slice(0).reverse())};a(!0),a(!1);for(var l=function(e,i){return[t[e][0],i,t[e][1]]},u=0;u<t.length;++u){var A=(u+1)%t.length;i.push([l(u,o),l(A,o),l(A,n),l(u,n)])}var h,d=c(e);try{for(d.s();!(h=d.n()).done;){var p,f=h.value,v=f.dir,g=f.dist,m=[],_=c(i);try{for(_.s();!(p=_.n()).done;){for(var y=p.value,b=1e-5,x=0,w=[],B=0;B<y.length;B++){var P=re.dotVec3(v,y[B])+g,C=P<-1e-5?2:P>b?1:0;x|=C,w.push(C)}switch(x){case 0:case 1:m.push(y);break;case 2:break;case 3:for(var M=[],E=0;E<y.length;E++){var F=(E+1)%y.length,k=w[E],I=w[F],D=y[E],S=y[F];if(2!==k&&M.push(D),3==(k|I)){var T=re.vec3();re.subVec3(S,D,T);var L=-(g+re.dotVec3(v,D))/re.dotVec3(v,T),R=[0,0,0];re.lerpVec3(L,0,1,D,S,R),M.push(R)}}M.length>=3&&m.push(M)}}}catch(e){_.e(e)}finally{_.f()}i=m}}catch(e){d.e(e)}finally{d.f()}if(0===i.length)return null;var U,O=re.vec3([0,0,0]),N=new Set,Q=c(i);try{for(Q.s();!(U=Q.n()).done;){var V,H=c(U.value);try{for(H.s();!(V=H.n()).done;){var j=V.value,G=j.map((function(e){return e.toFixed(3)})).join(":");N.has(G)||(N.add(G),re.addVec3(O,j,O))}}catch(e){H.e(e)}finally{H.f()}}}catch(e){Q.e(e)}finally{Q.f()}return re.mulVec3Scalar(O,1/N.size,O),O}},{key:"center",get:function(){return this._center}},{key:"altitude",get:function(){return this._geometry.altitude},set:function(e){this._geometry.altitude=e,this._rebuildMesh()}},{key:"height",get:function(){return this._geometry.height},set:function(e){this._geometry.height=e,this._rebuildMesh()}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=GI(this._color))}},{key:"alpha",get:function(){return this._alpha},set:function(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}},{key:"edges",get:function(){return this._edges},set:function(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}},{key:"getJSON",value:function(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}},{key:"duplicate",value:function(){return this.plugin.createZone({id:re.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((function(e){return e.slice()})),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}},{key:"destroy",value:function(){this._zoneMesh.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ZI=function(e){g(i,Ce);var t=_(i);function i(e,r,s){var n;return B(this,i),(n=t.call(this,e.viewer.scene)).zonesPlugin=e,n.pointerLens=r.pointerLens,n.createSelect3dPoint=s,n._deactivate=null,n}return C(i,[{key:"active",get:function(){return!!this._deactivate}},{key:"activate",value:function(e,t,i,r){if(!this._deactivate){if("object"===w(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=this.createSelect3dPoint(a,(function(t,i){return JI(e,re.vec3([0,1,0]),t,i)}));!function s(){var n=KI(l,i,r),a=function(e,t,i,r,s,n){var o=WI(e,t),a=WI(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:function(){},u=r((function(){l(null),o.update(null)}),(function(e,t){l(e),o.update(t)}),(function(e,t){o.update(t),u=r((function(){l(null),a.update(null),s(null)}),(function(e,i){l(e),a.update(i),s(re.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),o.destroy(),a.destroy(),l(null),n([t,i])}))}));return{deactivate:function(){u(),o.destroy(),a.destroy(),l(null)}}}(l,i,u.pointerLens,c,(function(e){if(e){var t=e[0],i=e[1],r=function(e){return Math.min(t[e],i[e])},s=function(e){return Math.max(t[e],i[e])},o=r(0),a=r(1),l=r(2),u=s(0);s(1);var c=s(2);n.updateBase([[o,a,c],[u,a,c],[u,a,l],[o,a,l]])}else n.updateBase(null)}),(function(a){n.destroy();var l=function(e,t,i,r,s,n,o){var a=function(i){return Math.min(e[i],t[i])},l=function(i){return Math.max(e[i],t[i])},u=a(0),c=a(2),A=l(0),h=l(2);return o.createZone({id:re.createUUID(),geometry:{planeCoordinates:[[u,h],[A,h],[A,c],[u,c]],altitude:i,height:r},alpha:n,color:s})}(a[0],a[1],e,t,i,r,o),c=!0;u._deactivate=function(){c=!1},u.fire("zoneEnd",l),c&&s()})).deactivate;u._deactivate=function(){a(),n.destroy()}}()}}},{key:"deactivate",value:function(){this._deactivate&&(this._deactivate(),this._deactivate=null)}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),qI=function(e){g(i,ZI);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r,(function(e,t){return XI(e,t)}))}return C(i)}(),$I=function(e){g(i,ZI);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=new Re(e.viewer);return(r=t.call(this,e,s,(function(e,t){return dt(e,n,t)}))).pointerCircle=n,r}return C(i,[{key:"destroy",value:function(){this.pointerCircle.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),eD=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"Zones",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._zones=[],r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),zone:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),zone:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),zone:t,event:e})},r}return C(i,[{key:"createZone",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=new YI(this,{id:t.id,plugin:this,container:this._container,geometry:t.geometry,alpha:t.alpha,color:t.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(i),i.on("destroyed",(function(){var t=e._zones.indexOf(i);t>=0&&e._zones.splice(t,1)})),this.fire("zoneCreated",i),i}},{key:"zones",get:function(){return this._zones}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),tD=function(e,t,i,r,s,n,o,a,l){var u,c=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},A=[function(){return c(null)}],h=KI(e,r,s);return A.push((function(){return h.destroy()})),function n(d){var p=WI(e,r),f=d.length>0&&function(e,t,i){var r=e.canvas.canvas,s=new at(e,{});s.worldPos=i;var n=new at(e,{}),o=r.ownerDocument.body,a=new pt(o,{color:t,thickness:1,thicknessClickable:6});a.setVisible(!1);var l=function(){var e=s.canvasPos.slice(),t=n.canvasPos.slice();ut(r,o,e),ut(r,o,t),a.setStartAndEnd(e[0],e[1],t[0],t[1])},u=e.camera.on("viewMatrix",l),c=e.camera.on("projMatrix",l);return{update:function(e){e&&(n.worldPos=e,l()),a.setVisible(!!e)},destroy:function(){e.camera.off(u),e.camera.off(c),s.destroy(),n.destroy(),a.destroy()}}}(e,r,d[d.length-1].getWorldPos());A.push((function(){p.destroy(),f&&f.destroy()}));var v=d.length>0&&d[0],g=function(e){var t=v&&v.getCanvasPos();return t&&re.distVec2(t,e)<10&&{canvasPos:t,worldPos:v.getWorldPos()}},m=function(){var e=function(e,t,i){return t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1])},t=function(e,t,i){var r=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===r?0:r>0?1:2};return function(i,r){for(var s=i[i.length-2],n=i[i.length-1],o=r?1:0;o<i.length-2-1;++o){var a=i[o],l=i[o+1],u=t(s,n,a),c=t(s,n,l),A=t(a,l,s),h=t(a,l,n);if(u!==c&&A!==h||0===u&&e(s,a,n)||0===c&&e(s,l,n)||0===A&&e(a,s,l)||0===h&&e(a,n,l))return!0}return!1}}();u=a((function(){c(null),p.update(null),f&&f.update(null),h.updateBase(d.length>2?d.map((function(e){return e.getWorldPos()})):null)}),(function(e,t){var i=d.length>2&&g(e);if(v&&v.setHighlighted(!!i),c(i?i.canvasPos:e),p.update(!i&&t),f&&f.update(i?i.worldPos:t),d.length>=2){var r=d.map((function(e){return e.getWorldPos()})).concat(i?[]:[t]),s=m(r.map((function(e){return[e[0],e[2]]})),i);h.updateBase(s?null:r)}else h.updateBase(null)}),(function(e,a){var u=d.length>2&&g(e),c=d.map((function(e){return e.getWorldPos()})).concat(u?[]:[a]);h.updateBase(c);var v=c.map((function(e){return[e[0],e[2]]}));d.length>2&&m(v,u)?(A.pop()(),n(d)):u?(p.update(a),A.forEach((function(e){return e()})),l(o.createZone({id:re.createUUID(),geometry:{planeCoordinates:v,altitude:t,height:i},alpha:s,color:r}))):(p.update(a),f&&f.update(a),n(d.concat(p)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){u(),A.forEach((function(e){return e()}))}}},iD=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene)).zonesPlugin=e,r.pointerLens=s.pointerLens,r._action=null,r}return C(i,[{key:"active",get:function(){return!!this._action}},{key:"activate",value:function(e,t,i,r){if("object"===w(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}if(!this._action){var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=XI(a,(function(t,i){return JI(e,re.vec3([0,1,0]),t,i)}));!function s(){u._action=tD(l,e,t,i,r,u.pointerLens,o,c,(function(e){var t=!0;u._action={deactivate:function(){t=!1}},u.fire("zoneEnd",e),t&&s()}))}()}}},{key:"deactivate",value:function(){this._action&&(this._action.deactivate(),this._action=null)}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),rD=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene)).zonesPlugin=e,r.pointerLens=s.pointerLens,r.pointerCircle=new Re(e.viewer),r._action=null,r}return C(i,[{key:"active",get:function(){return!!this._action}},{key:"activate",value:function(e,t,i,r){if("object"===w(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}if(!this._action){var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=dt(a,this.pointerCircle,(function(t,i){return JI(e,re.vec3([0,1,0]),t,i)}));!function s(){u._action=tD(l,e,t,i,r,u.pointerLens,o,c,(function(e){var t=!0;u._action={deactivate:function(){t=!1}},u.fire("zoneEnd",e),t&&s()}))}()}}},{key:"deactivate",value:function(){this._action&&(this._action.deactivate(),this._action=null)}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),sD=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer,l=a.scene;o=t.call(this,l);var u=e._geometry.altitude,c=e._geometry.planeCoordinates.map((function(t){var i=l.canvas.canvas.ownerDocument.body,r=new ct(l,{},i,{fillColor:e._color});return r.worldPos=re.vec3([t[0],u,t[1]]),r.on("worldPos",(function(){t[0]=r.worldPos[0],t[1]=r.worldPos[2];try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}})),r})),A=ht({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r&&r.pointerLens,dots:c,ray2WorldPos:function(e,t){return JI(u,re.vec3([0,1,0]),e,t)},onEnd:function(t,i){return e._zoneMesh&&o.fire("edited"),!!e._zoneMesh}}),h=function(){A(),c.forEach((function(e){return e.destroy()}))},d=e.on("destroyed",h);return o._deactivate=function(){e.off("destroyed",d),h()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),nD=function(e){g(i,sD);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),oD=function(e){g(i,sD);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),aD=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer,l=a.scene,u=l.canvas.canvas,c=b(o=t.call(this,l)),A=e._geometry.altitude,d=r&&r.pointerLens,p=d?function(e){d.visible=!!e,e&&(d.canvasPos=e)}:function(){},f=function(e){var t,i,r=re.vec3(),s=re.vec3();return re.canvasPosToWorldRay(u,l.camera.viewMatrix,l.camera.projMatrix,l.camera.projection,e,r,s),t=r,i=s,JI(A,re.vec3([0,1,0]),t,i)},v=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,ut(u.ownerDocument.documentElement,u,t),t},g=function(e,t){var i=function(e){e.preventDefault(),t(e)};return u.addEventListener(e,i),function(){return u.removeEventListener(e,i)}},m=function(){},_=function(t,i,r,s){var n,o,l,A,h=s(t),d=v(h,re.vec2()),_=a.scene.pick({canvasPos:d,includeEntities:[e._zoneMesh.id]});if((_&&_.entity&&_.entity.zone)===e){m(),u.style.cursor="move",a.cameraControl.active=!1;var y=(n=e._geometry.planeCoordinates.map((function(e){return e.slice()})),o=f(d),l=re.vec2([o[0],o[2]]),A=re.vec2(),function(t){var i=f(t);A[0]=i[0],A[1]=i[2],re.subVec2(l,A,A),e._geometry.planeCoordinates.forEach((function(e,t){re.subVec2(n[t],A,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}),b=g(i,(function(e){var t=s(e);if(t){var i=v(t,re.vec2());y(i),p(i)}})),x=g(r,(function(e){var t=s(e);if(t){var i=v(t,re.vec2());y(i),p(null),m(),c.fire("translated")}}));m=function(){m=function(){},u.style.cursor="default",a.cameraControl.active=!0,b(),x()}}},y=[];s&&y.push(g("mousedown",(function(e){1===e.which&&_(e,"mousemove","mouseup",(function(e){return 1===e.which&&e}))}))),n&&y.push(g("touchstart",(function(e){if(1===e.touches.length){var t=e.touches[0].identifier;_(e,"touchmove","touchend",(function(e){return h(e.changedTouches).find((function(e){return e.identifier===t}))}))}})));var x=function(){m(),y.forEach((function(e){return e()})),p(null)},w=e.on("destroyed",x);return o._deactivate=function(){e.off("destroyed",w),x()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),lD=function(e){g(i,aD);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),uD=function(e){g(i,aD);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}();export{Or as AlphaFormat,Ri as AmbientLight,Bt as AngleMeasurementEditMouseControl,Pt as AngleMeasurementEditTouchControl,_t as AngleMeasurementsControl,yt as AngleMeasurementsMouseControl,bt as AngleMeasurementsPlugin,xt as AngleMeasurementsTouchControl,kt as AnnotationsPlugin,Pn as AxisGizmoPlugin,Xh as BCFViewpointsPlugin,fo as Bitmap,Er as ByteType,Nd as CameraMemento,_d as CameraPath,Cd as CameraPathAnimation,VI as CityJSONLoaderPlugin,fr as ClampToEdgeWrapping,Ce as Component,Ms as CompressedMediaType,Ba as Configs,J as ContextMenu,Gd as CubicBezierCurve,vd as Curve,nh as DefaultLoadingManager,jr as DepthFormat,Gr as DepthStencilFormat,Li as DirLight,ld as DistanceMeasurementEditControl,ud as DistanceMeasurementEditMouseControl,cd as DistanceMeasurementEditTouchControl,sd as DistanceMeasurementsControl,nd as DistanceMeasurementsMouseControl,od as DistanceMeasurementsPlugin,ad as DistanceMeasurementsTouchControl,ct as Dot3D,HI as DotBIMDefaultDataSource,jI as DotBIMLoaderPlugin,rr as EdgeMaterial,tr as EmphasisMaterial,bF as FaceAlignedSectionPlanesPlugin,Ad as FastNavPlugin,Sr as FloatType,$n as Fresnel,Ie as Frustum,ke as FrustumPlane,Bs as GIFMediaType,hd as GLTFDefaultDataSource,NE as GLTFLoaderPlugin,Tr as HalfFloatType,Id as ImagePlane,Ir as IntType,Ps as JPEGMediaType,Ah as KTX2TextureTranscoder,lI as LASLoaderPlugin,Un as LambertMaterial,Ud as LightMap,jh as LineSet,xs as LinearEncoding,xr as LinearFilter,Cr as LinearMipMapLinearFilter,Br as LinearMipMapNearestFilter,Pr as LinearMipmapLinearFilter,wr as LinearMipmapNearestFilter,oh as Loader,sh as LoadingManager,dd as LocaleService,Hr as LuminanceAlphaFormat,Vr as LuminanceFormat,G as Map,at as Marker,Te as MarqueePicker,Le as MarqueePickerMouseControl,_n as Mesh,Eo as MeshSurfaceArea,yo as MeshVolume,Qn as MetallicMaterial,vr as MirroredRepeatWrapping,Vd as ModelMemento,jE as NavCubePlugin,gr as NearestFilter,br as NearestMipMapLinearFilter,mr as NearestMipMapNearestFilter,yr as NearestMipmapLinearFilter,_r as NearestMipmapNearestFilter,Rn as Node,$E as OBJLoaderPlugin,ne as ObjectsKdTree3,jd as ObjectsMemento,Cs as PNGMediaType,zd as Path,Kd as PerformanceModel,$i as PhongMaterial,Ot as PickResult,Ue as Plugin,Dd as PointLight,Re as PointerCircle,Y as PointerLens,Wd as QuadraticBezierCurve,oe as Queue,Qr as RGBAFormat,Jr as RGBAIntegerFormat,ms as RGBA_ASTC_10x10_Format,fs as RGBA_ASTC_10x5_Format,vs as RGBA_ASTC_10x6_Format,gs as RGBA_ASTC_10x8_Format,_s as RGBA_ASTC_12x10_Format,ys as RGBA_ASTC_12x12_Format,as as RGBA_ASTC_4x4_Format,ls as RGBA_ASTC_5x4_Format,us as RGBA_ASTC_5x5_Format,cs as RGBA_ASTC_6x5_Format,As as RGBA_ASTC_6x6_Format,hs as RGBA_ASTC_8x5_Format,ds as RGBA_ASTC_8x6_Format,ps as RGBA_ASTC_8x8_Format,bs as RGBA_BPTC_Format,os as RGBA_ETC2_EAC_Format,rs as RGBA_PVRTC_2BPPV1_Format,is as RGBA_PVRTC_4BPPV1_Format,Zr as RGBA_S3TC_DXT1_Format,qr as RGBA_S3TC_DXT3_Format,$r as RGBA_S3TC_DXT5_Format,Nr as RGBFormat,ss as RGB_ETC1_Format,ns as RGB_ETC2_Format,ts as RGB_PVRTC_2BPPV1_Format,es as RGB_PVRTC_4BPPV1_Format,Yr as RGB_S3TC_DXT1_Format,Kr as RGFormat,Xr as RGIntegerFormat,Xi as ReadableGeometry,zr as RedFormat,Wr as RedIntegerFormat,Rd as ReflectionMap,pr as RepeatWrapping,wF as STLDefaultDataSource,DF as STLLoaderPlugin,Vh as SceneModel,So as SceneModelMesh,Dh as SceneModelTransform,Cn as SectionPlane,aF as SectionPlanesPlugin,Fr as ShortType,Xd as Skybox,xF as SkyboxesPlugin,jn as SpecularMaterial,gd as SplineCurve,Od as SpriteMarker,dF as StoreyViewsPlugin,qn as Texture,Jd as TextureTranscoder,LF as TreeViewPlugin,Mr as UnsignedByteType,Ur as UnsignedInt248Type,Dr as UnsignedIntType,Lr as UnsignedShort4444Type,Rr as UnsignedShort5551Type,kr as UnsignedShortType,io as VBOGeometry,QF as ViewCullPlugin,Ob as Viewer,eI as WebIFCLoaderPlugin,uh as WorkerPool,VF as XKTDefaultDataSource,Rk as XKTLoaderPlugin,qk as XML3DLoaderPlugin,sD as ZoneEditControl,nD as ZoneEditMouseControl,oD as ZoneEditTouchControl,aD as ZoneTranslateControl,lD as ZoneTranslateMouseControl,uD as ZoneTranslateTouchControl,qI as ZonesMouseControl,eD as ZonesPlugin,iD as ZonesPolysurfaceMouseControl,rD as ZonesPolysurfaceTouchControl,$I as ZonesTouchControl,At as activateDraggableDot,ht as activateDraggableDots,Ji as buildBoxGeometry,oo as buildBoxLinesGeometry,ao as buildBoxLinesGeometryFromAABB,bn as buildCylinderGeometry,lo as buildGridGeometry,po as buildLineGeometry,uo as buildPlaneGeometry,Ao as buildPolylineGeometry,ho as buildPolylineGeometryFromCurve,xn as buildSphereGeometry,co as buildTorusGeometry,Bn as buildVectorTextGeometry,He as createRTCViewMat,Se as frustumIntersectsAABB3,dh as getKTX2TextureTranscoder,We as getPlaneRTCPos,vo as isTriangleMeshSolid,so as load3DSGeometry,no as loadOBJGeometry,re as math,Fo as meshSurfaceArea,bo as meshVolume,ze as rtcToWorldPos,ws as sRGBEncoding,De as setFrustum,ae as stats,dt as touchPointSelector,ut as transformToNode,he as utils,je as worldToRTCPos,Ge as worldToRTCPositions};