camera: fix vibrations when teleporting

This enforces a camera reset when Lara teleports to avoid large shifts
in values between the camera positions.

Resolves LostArtefacts#1274.

CHANGELOG.md

@@ -1,4 +1,5 @@
 ## [Unreleased](https://github.com/LostArtefacts/TR1X/compare/stable...develop) - ××××-××-××
+- fixed camera vibrations when using the teleport command in 60 FPS (#1274)
 
 ## [4.0.3](https://github.com/LostArtefacts/TR1X/compare/4.0.2...4.0.3) - 2024-04-14
 - fixed flickering sprite pickups (#1298)

src/game/camera.c

@@ -411,7 +411,7 @@ void Camera_Reset(void)
     g_Camera.pos.room_number = NO_ROOM;
 }
 
-void Camera_Initialise(void)
+void Camera_ResetPosition(void)
 {
     assert(g_LaraItem);
     g_Camera.shift = g_LaraItem->pos.y - WALL_L;
@@ -435,7 +435,11 @@ void Camera_Initialise(void)
     g_Camera.number = NO_CAMERA;
     g_Camera.additional_angle = 0;
     g_Camera.additional_elevation = 0;
+}
 
+void Camera_Initialise(void)
+{
+    Camera_ResetPosition();
     Camera_Update();
 }
 

src/game/camera.h

@@ -6,6 +6,7 @@
 
 void Camera_Initialise(void);
 void Camera_Reset(void);
+void Camera_ResetPosition(void);
 void Camera_Chase(ITEM_INFO *item);
 void Camera_Combat(ITEM_INFO *item);
 void Camera_Look(ITEM_INFO *item);

src/game/items.c

@@ -2,6 +2,7 @@
 
 #include "config.h"
 #include "game/anim.h"
+#include "game/camera.h"
 #include "game/carrier.h"
 #include "game/clock.h"
 #include "game/interpolation.h"
@@ -282,6 +283,10 @@ bool Item_Teleport(ITEM_INFO *item, int32_t x, int32_t y, int32_t z)
             const int16_t item_num = item - g_Items;
             Item_NewRoom(item_num, room_num);
         }
+
+        if (item->object_number == O_LARA) {
+            Camera_ResetPosition();
+        }
         return true;
     }
     return false;