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base.ts
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base.ts
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//% color=#0fbc11 icon="\u272a" block="ManyKit"
//% category="ManyKit"
namespace manykit {
export namespace base {
export enum Thread {
Priority = 0,
UserCallback = 1,
}
export enum Mode {
Repeat,
Once,
}
class Executor {
_newJobs: Job[] = undefined;
_jobsToRemove: number[] = undefined;
_pause: number = 100;
_type: Thread;
constructor(type: Thread) {
this._type = type;
this._newJobs = [];
this._jobsToRemove = [];
control.runInParallel(() => this.loop());
}
push(task: () => void, delay: number, mode: Mode): number {
if (delay > 0 && delay < this._pause && mode === Mode.Repeat) {
this._pause = Math.floor(delay);
}
const job = new Job(task, delay, mode);
this._newJobs.push(job);
return job.id;
}
cancel(jobId: number) {
this._jobsToRemove.push(jobId);
}
loop(): void {
const _jobs: Job[] = [];
let previous = control.millis();
while (true) {
const now = control.millis();
const delta = now - previous;
previous = now;
// Add new jobs
this._newJobs.forEach(function (job: Job, index: number) {
_jobs.push(job);
});
this._newJobs = [];
// Cancel jobs
this._jobsToRemove.forEach(function (jobId: number, index: number) {
for (let i = _jobs.length - 1; i >= 0; i--) {
const job = _jobs[i];
if (job.id == jobId) {
_jobs.removeAt(i);
break;
}
}
});
this._jobsToRemove = []
// Execute all jobs
if (this._type === Thread.Priority) {
// newest first
for (let i = _jobs.length - 1; i >= 0; i--) {
if (_jobs[i].run(delta)) {
this._jobsToRemove.push(_jobs[i].id)
}
}
} else {
// Execute in order of schedule
for (let i = 0; i < _jobs.length; i++) {
if (_jobs[i].run(delta)) {
this._jobsToRemove.push(_jobs[i].id)
}
}
}
basic.pause(this._pause);
}
}
}
class Job {
id: number;
func: () => void;
delay: number;
remaining: number;
mode: Mode;
constructor(func: () => void, delay: number, mode: Mode) {
this.id = randint(0, 2147483647)
this.func = func;
this.delay = delay;
this.remaining = delay;
this.mode = mode;
}
run(delta: number): boolean {
if (delta <= 0) {
return false;
}
this.remaining -= delta;
if (this.remaining > 0) {
return false;
}
switch (this.mode) {
case Mode.Once:
this.func();
basic.pause(0);
return true;
case Mode.Repeat:
this.func();
this.remaining = this.delay;
basic.pause(0);
return false;
}
}
}
const queues: Executor[] = [];
export function schedule(
func: () => void,
type: Thread,
mode: Mode,
delay: number,
): number {
if (!func || delay < 0) return 0;
if (!queues[type]) {
queues[type] = new Executor(type);
}
return queues[type].push(func, delay, mode);
}
export function remove(type: Thread, jobId: number): void {
if (queues[type]) {
queues[type].cancel(jobId);
}
}
}
}