perf: faster entity.room

packages/entity/index.js

@@ -133,6 +133,7 @@ export class Entity extends decorate(Resource) {
     // Fast props.
     this.numericUid = numericUid++;
     this.position = [0, 0];
+    this.room = null;
     this.visibleAabb = [0, 0, 0, 0];
     // Fast path for instance.
     if ('undefined' !== typeof json) {

packages/topdown/room.js

@@ -112,7 +112,7 @@ export class Room extends decorate(class {}) {
   }
 
   onEntityAddedToRoom(entity) {
-    entity.room = this;
+    entity.setRoom(this);
     if (AVOCADO_CLIENT) {
       const queuedPackets = this.queuedEntityPackets[entity.instanceUuid];
       for (let i = 0; i < queuedPackets.length; i++) {

packages/topdown/traits/roomed.trait.js

@@ -6,24 +6,21 @@ export class Roomed extends Trait {
     return 'roomed';
   }
 
-  constructor(entity, params, state) {
-    super(entity, params, state);
-    this._room = undefined;
-  }
-
   destroy() {
-    const room = this._room;
-    delete this._room;
+    const room = this.entity.room;
+    this.entity.room = null;
     this.entity.emit('removedFromRoom', room);
   }
 
-  get room() {
-    return this._room;
-  }
+  methods() {
+    return {
 
-  set room(room) {
-    this._room = room;
-    this.entity.emit('addedToRoom');
+      setRoom: (room) => {
+        this.entity.room = room;
+        this.entity.emit('addedToRoom');
+      },
+
+    };
   }
 
 }