game state can be read out by the client APIs

# Conflicts:
#	front/src/Api/IframeListener.ts
#	front/src/Phaser/Game/GameScene.ts
#	front/src/iframe_api.ts

front/src/Api/Events/ApiGameStateEvent.ts

@@ -0,0 +1,11 @@
+import * as tg from "generic-type-guard";
+
+export const isGameStateEvent =
+    new tg.IsInterface().withProperties({
+        roomId: tg.isString,
+        data:tg.isObject
+    }).get();
+/**
+ * A message sent from the game to the iFrame when a user enters or leaves a zone marked with the "zone" property.
+ */
+export type GameStateEvent = tg.GuardedType<typeof isGameStateEvent>;

front/src/Api/IframeListener.ts

@@ -12,6 +12,8 @@ import {ClosePopupEvent, isClosePopupEvent} from "./Events/ClosePopupEvent";
 import {scriptUtils} from "./ScriptUtils";
 import {GoToPageEvent, isGoToPageEvent} from "./Events/GoToPageEvent";
 import {isOpenCoWebsite, OpenCoWebSiteEvent} from "./Events/OpenCoWebSiteEvent";
+import { GameStateEvent } from './Events/ApiGameStateEvent';
+import { deepFreezeClone as deepFreezeClone } from '../utility';
 
 
 /**
@@ -52,6 +54,10 @@ class IframeListener {
     private readonly _removeBubbleStream: Subject<void> = new Subject();
     public readonly removeBubbleStream = this._removeBubbleStream.asObservable();
 
+    
+    private readonly _gameStateStream: Subject<void> = new Subject();
+    public readonly gameStateStream = this._gameStateStream.asObservable();
+
     private readonly iframes = new Set<HTMLIFrameElement>();
     private readonly scripts = new Map<string, HTMLIFrameElement>();
 
@@ -103,6 +109,8 @@ class IframeListener {
                 }
                 else if (payload.type === 'removeBubble'){
                     this._removeBubbleStream.next();
+                }else if(payload.type=="getState"){
+                    this._gameStateStream.next();
                 }
             }
 
@@ -111,6 +119,14 @@ class IframeListener {
 
     }
 
+    
+    sendFrozenGameStateEvent(gameStateEvent: GameStateEvent) {
+        this.postMessage({
+            'type': 'gameState',
+            'data': deepFreezeClone(gameStateEvent) 
+        });
+    }
+
     /**
      * Allows the passed iFrame to send/receive messages via the API.
      */