feat: room changing!

packages/universe/src/resources/universe.js

@@ -24,11 +24,20 @@ export default (latus) => class Universe extends JsonResource {
   #tps;
 
   addPlayer({entity, socket, user}) {
-    const room = this.room(entity.currentRoom);
-    room.addEntityToLayer(entity, 0);
-    entity.startInforming(room);
-    const player = new Player({entity, socket, user});
+    // eslint-disable-next-line no-param-reassign
+    entity.universe = this;
+    const player = new Player({
+      entity,
+      socket,
+      user,
+    });
     this.#players.push(player);
+    setTimeout(() => {
+      // eslint-disable-next-line no-param-reassign
+      entity.setPosition([20, 20]);
+      // eslint-disable-next-line no-param-reassign
+      entity.currentRoom = 'rooms/town.room.json';
+    }, 5000);
     return player;
   }
 

packages/universe/src/traits/universed.js

@@ -3,15 +3,50 @@ import {StateProperty, Trait} from '@avocado/traits';
 import {compose} from '@latus/core';
 
 const decorate = compose(
-  StateProperty('currentRoom'),
+  StateProperty('currentRoom', {
+    track: true,
+  }),
 );
 
 export default () => class Universed extends decorate(Trait) {
 
+  #universe;
+
   static defaultState() {
     return {
       currentRoom: 'rooms/town.room.json',
     };
   }
 
+  onCurrentRoomChanged(oldRoom) {
+    if (!this.#universe) {
+      return;
+    }
+    if (oldRoom) {
+      const room = this.#universe.room(oldRoom);
+      this.entity.stopInforming(room);
+      room.removeEntityFromLayer(this.entity, 0);
+    }
+    if (this.entity.currentRoom) {
+      const room = this.#universe.room(this.entity.currentRoom);
+      room.addEntityToLayer(this.entity, 0);
+      this.entity.startInforming(room);
+    }
+  }
+
+  listeners() {
+    return {
+
+      currentRoomChanged: (oldRoom) => {
+        this.onCurrentRoomChanged(oldRoom);
+      },
+
+    };
+  }
+
+  set universe(universe) {
+    this.#universe = universe;
+    this.onCurrentRoomChanged();
+  }
+
 };