FIX: rewrote the way scene exits are triggered

front/src/Connexion/Room.ts

@@ -29,6 +29,25 @@ export class Room {
             this.hash = idWithHash.substr(indexOfHash + 1);
         }
     }
+    
+    public static getIdFromIdentifier(identifier: string, baseUrl: string, currentInstance: string): {roomId: string, hash: string} {
+        let roomId = '';
+        let hash = '';
+        if (!identifier.startsWith('/_/') && !identifier.startsWith('/@/')) { //relative file link
+            const absoluteExitSceneUrl = new URL(identifier, baseUrl);
+            roomId = '_/'+currentInstance+'/'+absoluteExitSceneUrl.hostname + absoluteExitSceneUrl.pathname; //in case of a relative url, we need to create a public roomId
+            hash = absoluteExitSceneUrl.hash;
+            hash = hash.substring(1); //remove the leading diese
+        } else { //absolute room Id
+            const parts = identifier.split('#');
+            roomId = parts[0];
+            roomId = roomId.substring(1); //remove the leading slash
+            if (parts.length > 1) {
+                hash = parts[1]
+            }
+        }
+        return {roomId, hash}
+    }
 
     public async getMapUrl(): Promise<string> {
         return new Promise<string>((resolve, reject) => {

front/src/Connexion/RoomConnection.ts

@@ -52,6 +52,7 @@ export class RoomConnection implements RoomConnection {
     private static websocketFactory: null|((url: string)=>any) = null; // eslint-disable-line @typescript-eslint/no-explicit-any
     private closed: boolean = false;
     private tags: string[] = [];
+    private intervalId!: NodeJS.Timeout;
 
     public static setWebsocketFactory(websocketFactory: (url: string)=>any): void { // eslint-disable-line @typescript-eslint/no-explicit-any
         RoomConnection.websocketFactory = websocketFactory;
@@ -89,8 +90,12 @@ export class RoomConnection implements RoomConnection {
         this.socket.onopen = (ev) => {
             //we manually ping every 20s to not be logged out by the server, even when the game is in background.
             const pingMessage = new PingMessage();
-            setInterval(() => this.socket.send(pingMessage.serializeBinary().buffer), manualPingDelay);
+            this.intervalId = setInterval(() => this.socket.send(pingMessage.serializeBinary().buffer), manualPingDelay);
         };
+        
+        this.socket.onclose = () => {
+            clearTimeout(this.intervalId);
+        }
 
         this.socket.onmessage = (messageEvent) => {
             const arrayBuffer: ArrayBuffer = messageEvent.data;