fix memory leaks caused by world not being properly disposed

src/DtsObject.hx

@@ -1544,6 +1544,7 @@ class DtsObject extends GameObject {
 
 	public override function dispose() {
 		super.dispose();
+		this.level = null;
 		this.dtsResource.release();
 	}
 }

src/InstanceManager.hx

@@ -20,16 +20,25 @@ import h3d.scene.MeshBatch;
 import src.MarbleGame;
 import src.ProfilerUI;
 
-typedef MeshBatchInfo = {
+@:publicFields
+class MeshBatchInfo {
 	var instances:Array<MeshInstance>;
 	var meshbatch:MeshBatch;
-	var ?transparencymeshbatch:MeshBatch;
+	var transparencymeshbatch:MeshBatch;
 	var mesh:Mesh;
+
+	public function new() {}
 }
 
-typedef MeshInstance = {
+@:publicFields
+class MeshInstance {
 	var emptyObj:Object;
 	var gameObject:GameObject;
+
+	public function new(eo, go) {
+		this.emptyObj = eo;
+		this.gameObject = go;
+	}
 }
 
 class InstanceManager {
@@ -152,7 +161,7 @@ class InstanceManager {
 			var objs = getAllChildren(object);
 			var minfos = objects[objectMap.get(object.identifier)]; // objects.get(object.identifier);
 			for (i in 0...objs.length) {
-				minfos[i].instances.push({emptyObj: objs[i], gameObject: object});
+				minfos[i].instances.push(new MeshInstance(objs[i], object));
 			}
 		} else {
 			// First time appending the thing so bruh
@@ -161,11 +170,11 @@ class InstanceManager {
 			var minfos = [];
 			for (obj in objs) {
 				var isMesh = obj is Mesh;
-				var minfo:MeshBatchInfo = {
-					instances: [{emptyObj: obj, gameObject: object}],
-					meshbatch: isMesh ? new MeshBatch(cast(cast(obj, Mesh).primitive), cast(cast(obj, Mesh)).material.clone(), scene) : null,
-					mesh: isMesh ? cast obj : null
-				}
+				var minfo:MeshBatchInfo = new MeshBatchInfo();
+				minfo.instances = [new MeshInstance(obj, object)];
+				minfo.meshbatch = isMesh ? new MeshBatch(cast(cast(obj, Mesh).primitive), cast(cast(obj, Mesh)).material.clone(), scene) : null;
+				minfo.mesh = isMesh ? cast obj : null;
+
 				if (isMesh) {
 					var mat = cast(obj, Mesh).material;
 					var minfoshaders = [];

src/MarbleGame.hx

@@ -224,7 +224,8 @@ class MarbleGame {
 	public function showPauseUI() {
 		exitGameDlg = new ExitGameDlg((sender) -> {
 			canvas.popDialog(exitGameDlg);
-			if (world.isRecording) {
+			var w = getWorld();
+			if (w.isRecording) {
 				MarbleGame.canvas.pushDialog(new ReplayNameDlg(() -> {
 					quitMission();
 				}));
@@ -235,11 +236,13 @@ class MarbleGame {
 			@:privateAccess world.playGui.setGuiVisibility(true);
 			canvas.popDialog(exitGameDlg);
 			paused = !paused;
-			world.setCursorLock(true);
+			var w = getWorld();
+			w.setCursorLock(true);
 		}, (sender) -> {
 			@:privateAccess world.playGui.setGuiVisibility(true);
 			canvas.popDialog(exitGameDlg);
-			world.restart(true);
+			var w = getWorld();
+			w.restart(true);
 			// world.setCursorLock(true);
 			paused = !paused;
 		});
@@ -268,6 +271,11 @@ class MarbleGame {
 		}
 	}
 
+	public function getWorld() {
+		// So that we don't actually store this somewhere in any closure stack
+		return world;
+	}
+
 	public function quitMission() {
 		Console.log("Quitting mission");
 		var watching = world.isWatching;

src/MarbleWorld.hx

@@ -1816,28 +1816,44 @@ class MarbleWorld extends Scheduler {
 		for (interior in this.interiors) {
 			interior.dispose();
 		}
+		interiors = null;
 		for (pathedInteriors in this.pathedInteriors) {
 			pathedInteriors.dispose();
 		}
+		pathedInteriors = null;
 		for (marble in this.marbles) {
 			marble.dispose();
 		}
+		marbles = null;
 		for (dtsObject in this.dtsObjects) {
 			dtsObject.dispose();
 		}
+		dtsObjects = null;
 		for (trigger in this.triggers) {
 			trigger.dispose();
 		}
+		triggers = null;
 		for (soundResource in this.soundResources) {
 			soundResource.release();
 		}
 		for (textureResource in this.textureResources) {
 			textureResource.release();
 		}
+		gems = null;
 
 		if (sky != null)
 			sky.dispose();
 
+		instanceManager = null;
+		collisionWorld = null;
+		particleManager = null;
+		namedObjects = null;
+		shapeOrTriggerInside = null;
+		shapeImmunity = null;
+		currentCheckpoint = null;
+		checkpointCollectedGems = null;
+		marble = null;
+
 		this._disposed = true;
 		AudioManager.stopAllSounds();
 		// AudioManager.playShell();