Merge remote-tracking branch 'remotes/upstream/develop' into trigger-message-refv3

.github/workflows/build-and-deploy.yml

@@ -199,4 +199,4 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          msg: Environment deployed at https://play-${{ env.GITHUB_HEAD_REF_SLUG }}.test.workadventu.re
+          msg: "Environment deployed at https://play-${{ env.GITHUB_HEAD_REF_SLUG }}.test.workadventu.re \nTests available at https://maps-${{ env.GITHUB_HEAD_REF_SLUG }}.test.workadventu.re/tests"

.github/workflows/continuous_integration.yml

@@ -64,6 +64,11 @@ jobs:
         run: yarn test
         working-directory: "front"
 
+ # We will enable prettier checks on front in a few month, when most PRs without prettier have been merged
+ #     - name: "Prettier"
+ #       run: yarn run pretty-check
+ #       working-directory: "front"
+
   continuous-integration-pusher:
     name: "Continuous Integration Pusher"
 
@@ -107,6 +112,10 @@ jobs:
         run: yarn test
         working-directory: "pusher"
 
+      - name: "Prettier"
+        run: yarn run pretty-check
+        working-directory: "pusher"
+
   continuous-integration-back:
     name: "Continuous Integration Back"
 
@@ -150,3 +159,7 @@ jobs:
         run: yarn test
         working-directory: "back"
 
+      - name: "Prettier"
+        run: yarn run pretty-check
+        working-directory: "back"
+

.github/workflows/push-to-npm.yml

@@ -2,6 +2,7 @@ name: Push @workadventure/iframe-api-typings to NPM
 on:
   release:
     types: [created]
+  push:
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -13,10 +14,6 @@ jobs:
           node-version: '14.x'
           registry-url: 'https://registry.npmjs.org'
 
-      - name: Edit tsconfig.json to add declarations
-        run: "sed -i 's/\"declaration\": false/\"declaration\": true/g' tsconfig.json"
-        working-directory: "front"
-
       - name: Replace version number
         run: 'sed -i "s#VERSION_PLACEHOLDER#${GITHUB_REF/refs\/tags\//}#g" package.json'
         working-directory: "front/packages/iframe-api-typings"
@@ -47,15 +44,18 @@ jobs:
         working-directory: "front"
 
       - name: "Build"
-        run: yarn run build
+        run: yarn run build-typings
         env:
-          API_URL: "localhost:8080"
+          PUSHER_URL: "//localhost:8080"
         working-directory: "front"
 
       # We build the front to generate the typings of iframe_api, then we copy those typings in a separate package.
       - name: Copy typings to package dir
         run: cp front/dist/src/iframe_api.d.ts front/packages/iframe-api-typings/iframe_api.d.ts
 
+      - name: Copy typings to package dir (2)
+        run: cp -R front/dist/src/Api front/packages/iframe-api-typings/Api
+
       - name: Install dependencies in package
         run: yarn install
         working-directory: "front/packages/iframe-api-typings"
@@ -65,3 +65,4 @@ jobs:
         working-directory: "front/packages/iframe-api-typings"
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        if: ${{ github.event_name == 'release' }}

.gitignore

@@ -7,4 +7,5 @@ docker-compose.override.yaml
 maps/yarn.lock
 maps/dist/computer.js
 maps/dist/computer.js.map
-/node_modules/
+node_modules
+_

CHANGELOG.md

@@ -15,6 +15,19 @@
   - Use `WA.room.getCurrentUser(): Promise<User>` to get the ID, name and tags of the current player
   - Use `WA.room.getCurrentRoom(): Promise<Room>` to get the ID, JSON map file, url of the map of the current room and the layer where the current player started
   - Use `WA.ui.registerMenuCommand(): void` to add a custom menu
+  - Use `WA.room.setTiles(): void` to change an array of tiles
+
+## Version 1.4.3 - 1.4.4 - 1.4.5
+
+## Bugfixes
+
+- Fixing the generation of @workadventure/iframe-api-typings
+
+## Version 1.4.2
+
+## Updates
+
+- A script in an iframe opened by another script can use the IFrame API.
 
 ## Version 1.4.1
 

CONTRIBUTING.md

@@ -42,10 +42,19 @@ Before committing, be sure to install the "Prettier" precommit hook that will re
 In order to enable the "Prettier" precommit hook, at the root of the project, run:
 
 ```console
-$ yarn run install
+$ yarn install
 $ yarn run prepare
 ```
 
+If you don't have the precommit hook installed (or if you committed code before installing the precommit hook), you will need 
+to run code linting manually:
+
+```console
+$ docker-compose exec front yarn run pretty
+$ docker-compose exec pusher yarn run pretty
+$ docker-compose exec back yarn run pretty
+```
+
 ### Providing tests
 
 WorkAdventure is based on a video game engine (Phaser), and video games are not the easiest programs to unit test.

back/package.json

@@ -10,8 +10,8 @@
     "runprod": "node --max-old-space-size=4096 ./dist/server.js",
     "profile": "tsc && node --prof ./dist/server.js",
     "test": "ts-node node_modules/jasmine/bin/jasmine --config=jasmine.json",
-    "lint": "node_modules/.bin/eslint src/ . --ext .ts",
-    "fix": "node_modules/.bin/eslint --fix src/ . --ext .ts",
+    "lint": "DEBUG= node_modules/.bin/eslint src/ . --ext .ts",
+    "fix": "DEBUG= node_modules/.bin/eslint --fix src/ . --ext .ts",
     "precommit": "lint-staged",
     "pretty": "yarn prettier --write 'src/**/*.{ts,tsx}'",
     "pretty-check": "yarn prettier --check 'src/**/*.{ts,tsx}'"

back/src/App.ts

@@ -1,7 +1,7 @@
 // lib/app.ts
-import {PrometheusController} from "./Controller/PrometheusController";
-import {DebugController} from "./Controller/DebugController";
-import {App as uwsApp} from "./Server/sifrr.server";
+import { PrometheusController } from "./Controller/PrometheusController";
+import { DebugController } from "./Controller/DebugController";
+import { App as uwsApp } from "./Server/sifrr.server";
 
 class App {
     public app: uwsApp;

back/src/Controller/BaseController.ts

@@ -1,10 +1,9 @@
-import {HttpResponse} from "uWebSockets.js";
-
+import { HttpResponse } from "uWebSockets.js";
 
 export class BaseController {
     protected addCorsHeaders(res: HttpResponse): void {
-        res.writeHeader('access-control-allow-headers', 'Origin, X-Requested-With, Content-Type, Accept');
-        res.writeHeader('access-control-allow-methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
-        res.writeHeader('access-control-allow-origin', '*');
+        res.writeHeader("access-control-allow-headers", "Origin, X-Requested-With, Content-Type, Accept");
+        res.writeHeader("access-control-allow-methods", "GET, POST, OPTIONS, PUT, PATCH, DELETE");
+        res.writeHeader("access-control-allow-origin", "*");
     }
 }

back/src/Controller/DebugController.ts

@@ -1,53 +1,54 @@
-import {ADMIN_API_TOKEN} from "../Enum/EnvironmentVariable";
-import {stringify} from "circular-json";
-import {HttpRequest, HttpResponse} from "uWebSockets.js";
-import { parse } from 'query-string';
-import {App} from "../Server/sifrr.server";
-import {socketManager} from "../Services/SocketManager";
+import { ADMIN_API_TOKEN } from "../Enum/EnvironmentVariable";
+import { stringify } from "circular-json";
+import { HttpRequest, HttpResponse } from "uWebSockets.js";
+import { parse } from "query-string";
+import { App } from "../Server/sifrr.server";
+import { socketManager } from "../Services/SocketManager";
 
 export class DebugController {
-    constructor(private App : App) {
+    constructor(private App: App) {
         this.getDump();
     }
 
-
-    getDump(){
+    getDump() {
         this.App.get("/dump", (res: HttpResponse, req: HttpRequest) => {
             const query = parse(req.getQuery());
 
             if (query.token !== ADMIN_API_TOKEN) {
-                return res.status(401).send('Invalid token sent!');
+                return res.status(401).send("Invalid token sent!");
             }
 
-            return res.writeStatus('200 OK').writeHeader('Content-Type', 'application/json').end(stringify(
-                socketManager.getWorlds(),
-                (key: unknown, value: unknown) => {
-                    if (key === 'listeners') {
-                        return 'Listeners';
-                    }
-                    if (key === 'socket') {
-                        return 'Socket';
-                    }
-                    if (key === 'batchedMessages') {
-                        return 'BatchedMessages';
-                    }
-                    if(value instanceof Map) {
-                        const obj: any = {}; // eslint-disable-line @typescript-eslint/no-explicit-any
-                        for (const [mapKey, mapValue] of value.entries()) {
-                            obj[mapKey] = mapValue;
+            return res
+                .writeStatus("200 OK")
+                .writeHeader("Content-Type", "application/json")
+                .end(
+                    stringify(socketManager.getWorlds(), (key: unknown, value: unknown) => {
+                        if (key === "listeners") {
+                            return "Listeners";
                         }
-                        return obj;
-                    } else if(value instanceof Set) {
+                        if (key === "socket") {
+                            return "Socket";
+                        }
+                        if (key === "batchedMessages") {
+                            return "BatchedMessages";
+                        }
+                        if (value instanceof Map) {
+                            const obj: any = {}; // eslint-disable-line @typescript-eslint/no-explicit-any
+                            for (const [mapKey, mapValue] of value.entries()) {
+                                obj[mapKey] = mapValue;
+                            }
+                            return obj;
+                        } else if (value instanceof Set) {
                             const obj: Array<unknown> = [];
                             for (const [setKey, setValue] of value.entries()) {
                                 obj.push(setValue);
                             }
                             return obj;
-                    } else {
-                        return value;
-                    }
-                }
-            ));
+                        } else {
+                            return value;
+                        }
+                    })
+                );
         });
     }
 }

back/src/Controller/PrometheusController.ts

@@ -1,7 +1,7 @@
-import {App} from "../Server/sifrr.server";
-import {HttpRequest, HttpResponse} from "uWebSockets.js";
-const register = require('prom-client').register;
-const collectDefaultMetrics = require('prom-client').collectDefaultMetrics;
+import { App } from "../Server/sifrr.server";
+import { HttpRequest, HttpResponse } from "uWebSockets.js";
+const register = require("prom-client").register;
+const collectDefaultMetrics = require("prom-client").collectDefaultMetrics;
 
 export class PrometheusController {
     constructor(private App: App) {
@@ -14,7 +14,7 @@ export class PrometheusController {
     }
 
     private metrics(res: HttpResponse, req: HttpRequest): void {
-        res.writeHeader('Content-Type', register.contentType);
+        res.writeHeader("Content-Type", register.contentType);
         res.end(register.metrics());
     }
 }

back/src/Enum/EnvironmentVariable.ts

@@ -1,17 +1,17 @@
 const MINIMUM_DISTANCE = process.env.MINIMUM_DISTANCE ? Number(process.env.MINIMUM_DISTANCE) : 64;
 const GROUP_RADIUS = process.env.GROUP_RADIUS ? Number(process.env.GROUP_RADIUS) : 48;
-const ALLOW_ARTILLERY = process.env.ALLOW_ARTILLERY ? process.env.ALLOW_ARTILLERY == 'true' : false;
-const ADMIN_API_URL = process.env.ADMIN_API_URL || '';
-const ADMIN_API_TOKEN = process.env.ADMIN_API_TOKEN || 'myapitoken';
+const ALLOW_ARTILLERY = process.env.ALLOW_ARTILLERY ? process.env.ALLOW_ARTILLERY == "true" : false;
+const ADMIN_API_URL = process.env.ADMIN_API_URL || "";
+const ADMIN_API_TOKEN = process.env.ADMIN_API_TOKEN || "myapitoken";
 const CPU_OVERHEAT_THRESHOLD = Number(process.env.CPU_OVERHEAT_THRESHOLD) || 80;
-const JITSI_URL : string|undefined = (process.env.JITSI_URL === '') ? undefined : process.env.JITSI_URL;
-const JITSI_ISS = process.env.JITSI_ISS || '';
-const SECRET_JITSI_KEY = process.env.SECRET_JITSI_KEY || '';
-const HTTP_PORT = parseInt(process.env.HTTP_PORT || '8080') || 8080;
-const GRPC_PORT = parseInt(process.env.GRPC_PORT || '50051') || 50051;
+const JITSI_URL: string | undefined = process.env.JITSI_URL === "" ? undefined : process.env.JITSI_URL;
+const JITSI_ISS = process.env.JITSI_ISS || "";
+const SECRET_JITSI_KEY = process.env.SECRET_JITSI_KEY || "";
+const HTTP_PORT = parseInt(process.env.HTTP_PORT || "8080") || 8080;
+const GRPC_PORT = parseInt(process.env.GRPC_PORT || "50051") || 50051;
 export const SOCKET_IDLE_TIMER = parseInt(process.env.SOCKET_IDLE_TIMER as string) || 30; // maximum time (in second) without activity before a socket is closed
-export const TURN_STATIC_AUTH_SECRET = process.env.TURN_STATIC_AUTH_SECRET || '';
-export const MAX_PER_GROUP = parseInt(process.env.MAX_PER_GROUP || '4');
+export const TURN_STATIC_AUTH_SECRET = process.env.TURN_STATIC_AUTH_SECRET || "";
+export const MAX_PER_GROUP = parseInt(process.env.MAX_PER_GROUP || "4");
 
 export {
     MINIMUM_DISTANCE,
@@ -24,5 +24,5 @@ export {
     CPU_OVERHEAT_THRESHOLD,
     JITSI_URL,
     JITSI_ISS,
-    SECRET_JITSI_KEY
-}
+    SECRET_JITSI_KEY,
+};

back/src/Model/Admin.ts

@@ -1,15 +1,12 @@
 import {
     ServerToAdminClientMessage,
-    UserJoinedRoomMessage, UserLeftRoomMessage
+    UserJoinedRoomMessage,
+    UserLeftRoomMessage,
 } from "../Messages/generated/messages_pb";
-import {AdminSocket} from "../RoomManager";
-
+import { AdminSocket } from "../RoomManager";
 
 export class Admin {
-    public constructor(
-        private readonly socket: AdminSocket
-    ) {
-    }
+    public constructor(private readonly socket: AdminSocket) {}
 
     public sendUserJoin(uuid: string, name: string, ip: string): void {
         const serverToAdminClientMessage = new ServerToAdminClientMessage();
@@ -24,7 +21,7 @@ export class Admin {
         this.socket.write(serverToAdminClientMessage);
     }
 
-    public sendUserLeft(uuid: string/*, name: string, ip: string*/): void {
+    public sendUserLeft(uuid: string /*, name: string, ip: string*/): void {
         const serverToAdminClientMessage = new ServerToAdminClientMessage();
 
         const userLeftRoomMessage = new UserLeftRoomMessage();

back/src/Model/GameRoom.ts

@@ -1,16 +1,16 @@
-import {PointInterface} from "./Websocket/PointInterface";
-import {Group} from "./Group";
-import {User, UserSocket} from "./User";
-import {PositionInterface} from "_Model/PositionInterface";
-import {EmoteCallback, EntersCallback, LeavesCallback, MovesCallback} from "_Model/Zone";
-import {PositionNotifier} from "./PositionNotifier";
-import {Movable} from "_Model/Movable";
-import {extractDataFromPrivateRoomId, extractRoomSlugPublicRoomId, isRoomAnonymous} from "./RoomIdentifier";
-import {arrayIntersect} from "../Services/ArrayHelper";
-import {EmoteEventMessage, JoinRoomMessage} from "../Messages/generated/messages_pb";
-import {ProtobufUtils} from "../Model/Websocket/ProtobufUtils";
-import {ZoneSocket} from "src/RoomManager";
-import {Admin} from "../Model/Admin";
+import { PointInterface } from "./Websocket/PointInterface";
+import { Group } from "./Group";
+import { User, UserSocket } from "./User";
+import { PositionInterface } from "_Model/PositionInterface";
+import { EmoteCallback, EntersCallback, LeavesCallback, MovesCallback } from "_Model/Zone";
+import { PositionNotifier } from "./PositionNotifier";
+import { Movable } from "_Model/Movable";
+import { extractDataFromPrivateRoomId, extractRoomSlugPublicRoomId, isRoomAnonymous } from "./RoomIdentifier";
+import { arrayIntersect } from "../Services/ArrayHelper";
+import { EmoteEventMessage, JoinRoomMessage } from "../Messages/generated/messages_pb";
+import { ProtobufUtils } from "../Model/Websocket/ProtobufUtils";
+import { ZoneSocket } from "src/RoomManager";
+import { Admin } from "../Model/Admin";
 
 export type ConnectCallback = (user: User, group: Group) => void;
 export type DisconnectCallback = (user: User, group: Group) => void;
@@ -39,33 +39,33 @@ export class GameRoom {
     private readonly positionNotifier: PositionNotifier;
     public readonly roomId: string;
     public readonly roomSlug: string;
-    public readonly worldSlug: string = '';
-    public readonly organizationSlug: string = '';
-    private versionNumber:number = 1;
+    public readonly worldSlug: string = "";
+    public readonly organizationSlug: string = "";
+    private versionNumber: number = 1;
     private nextUserId: number = 1;
 
-    constructor(roomId: string,
-                connectCallback: ConnectCallback,
-                disconnectCallback: DisconnectCallback,
-                minDistance: number,
-                groupRadius: number,
-                onEnters: EntersCallback,
-                onMoves: MovesCallback,
-                onLeaves: LeavesCallback,
-                onEmote: EmoteCallback,
+    constructor(
+        roomId: string,
+        connectCallback: ConnectCallback,
+        disconnectCallback: DisconnectCallback,
+        minDistance: number,
+        groupRadius: number,
+        onEnters: EntersCallback,
+        onMoves: MovesCallback,
+        onLeaves: LeavesCallback,
+        onEmote: EmoteCallback
     ) {
         this.roomId = roomId;
 
         if (isRoomAnonymous(roomId)) {
             this.roomSlug = extractRoomSlugPublicRoomId(this.roomId);
         } else {
-            const {organizationSlug, worldSlug, roomSlug} = extractDataFromPrivateRoomId(this.roomId);
+            const { organizationSlug, worldSlug, roomSlug } = extractDataFromPrivateRoomId(this.roomId);
             this.roomSlug = roomSlug;
             this.organizationSlug = organizationSlug;
             this.worldSlug = worldSlug;
         }
 
-
         this.users = new Map<number, User>();
         this.usersByUuid = new Map<string, User>();
         this.admins = new Set<Admin>();
@@ -86,21 +86,22 @@ export class GameRoom {
         return this.users;
     }
 
-    public getUserByUuid(uuid: string): User|undefined {
+    public getUserByUuid(uuid: string): User | undefined {
         return this.usersByUuid.get(uuid);
     }
-    public getUserById(id: number): User|undefined {
+    public getUserById(id: number): User | undefined {
         return this.users.get(id);
     }
 
-    public join(socket : UserSocket, joinRoomMessage: JoinRoomMessage): User {
+    public join(socket: UserSocket, joinRoomMessage: JoinRoomMessage): User {
         const positionMessage = joinRoomMessage.getPositionmessage();
         if (positionMessage === undefined) {
-            throw new Error('Missing position message');
+            throw new Error("Missing position message");
         }
         const position = ProtobufUtils.toPointInterface(positionMessage);
 
-        const user = new User(this.nextUserId,
+        const user = new User(
+            this.nextUserId,
             joinRoomMessage.getUseruuid(),
             joinRoomMessage.getIpaddress(),
             position,
@@ -126,12 +127,12 @@ export class GameRoom {
         return user;
     }
 
-    public leave(user : User){
+    public leave(user: User) {
         const userObj = this.users.get(user.id);
         if (userObj === undefined) {
-            console.warn('User ', user.id, 'does not belong to this game room! It should!');
+            console.warn("User ", user.id, "does not belong to this game room! It should!");
         }
-        if (userObj !== undefined && typeof userObj.group !== 'undefined') {
+        if (userObj !== undefined && typeof userObj.group !== "undefined") {
             this.leaveGroup(userObj);
         }
         this.users.delete(user.id);
@@ -143,7 +144,7 @@ export class GameRoom {
 
         // Notify admins
         for (const admin of this.admins) {
-            admin.sendUserLeft(user.uuid/*, user.name, user.IPAddress*/);
+            admin.sendUserLeft(user.uuid /*, user.name, user.IPAddress*/);
         }
     }
 
@@ -151,7 +152,7 @@ export class GameRoom {
         return this.users.size === 0 && this.admins.size === 0;
     }
 
-    public updatePosition(user : User, userPosition: PointInterface): void {
+    public updatePosition(user: User, userPosition: PointInterface): void {
         user.setPosition(userPosition);
 
         this.updateUserGroup(user);
@@ -173,22 +174,24 @@ export class GameRoom {
                 return;
             }
 
-            const closestItem: User|Group|null = this.searchClosestAvailableUserOrGroup(user);
+            const closestItem: User | Group | null = this.searchClosestAvailableUserOrGroup(user);
 
             if (closestItem !== null) {
                 if (closestItem instanceof Group) {
                     // Let's join the group!
                     closestItem.join(user);
                 } else {
-                    const closestUser : User = closestItem;
-                    const group: Group = new Group(this.roomId,[
-                        user,
-                        closestUser
-                    ], this.connectCallback, this.disconnectCallback, this.positionNotifier);
+                    const closestUser: User = closestItem;
+                    const group: Group = new Group(
+                        this.roomId,
+                        [user, closestUser],
+                        this.connectCallback,
+                        this.disconnectCallback,
+                        this.positionNotifier
+                    );
                     this.groups.add(group);
                 }
             }
-
         } else {
             // If the user is part of a group:
             //  should he leave the group?
@@ -229,7 +232,9 @@ export class GameRoom {
             this.positionNotifier.leave(group);
             group.destroy();
             if (!this.groups.has(group)) {
-                throw new Error("Could not find group "+group.getId()+" referenced by user "+user.id+" in World.");
+                throw new Error(
+                    "Could not find group " + group.getId() + " referenced by user " + user.id + " in World."
+                );
             }
             this.groups.delete(group);
             //todo: is the group garbage collected?
@@ -247,16 +252,15 @@ export class GameRoom {
      * OR
      * - close enough to a group (distance <= groupRadius)
      */
-    private searchClosestAvailableUserOrGroup(user: User): User|Group|null
-    {
+    private searchClosestAvailableUserOrGroup(user: User): User | Group | null {
         let minimumDistanceFound: number = Math.max(this.minDistance, this.groupRadius);
         let matchingItem: User | Group | null = null;
         this.users.forEach((currentUser, userId) => {
             // Let's only check users that are not part of a group
-            if (typeof currentUser.group !== 'undefined') {
+            if (typeof currentUser.group !== "undefined") {
                 return;
             }
-            if(currentUser === user) {
+            if (currentUser === user) {
                 return;
             }
             if (currentUser.silent) {
@@ -265,7 +269,7 @@ export class GameRoom {
 
             const distance = GameRoom.computeDistance(user, currentUser); // compute distance between peers.
 
-            if(distance <= minimumDistanceFound && distance <= this.minDistance) {
+            if (distance <= minimumDistanceFound && distance <= this.minDistance) {
                 minimumDistanceFound = distance;
                 matchingItem = currentUser;
             }
@@ -276,7 +280,7 @@ export class GameRoom {
                 return;
             }
             const distance = GameRoom.computeDistanceBetweenPositions(user.getPosition(), group.getPosition());
-            if(distance <= minimumDistanceFound && distance <= this.groupRadius) {
+            if (distance <= minimumDistanceFound && distance <= this.groupRadius) {
                 minimumDistanceFound = distance;
                 matchingItem = group;
             }
@@ -285,15 +289,15 @@ export class GameRoom {
         return matchingItem;
     }
 
-    public static computeDistance(user1: User, user2: User): number
-    {
+    public static computeDistance(user1: User, user2: User): number {
         const user1Position = user1.getPosition();
         const user2Position = user2.getPosition();
-        return Math.sqrt(Math.pow(user2Position.x - user1Position.x, 2) + Math.pow(user2Position.y - user1Position.y, 2));
+        return Math.sqrt(
+            Math.pow(user2Position.x - user1Position.x, 2) + Math.pow(user2Position.y - user1Position.y, 2)
+        );
     }
 
-    public static computeDistanceBetweenPositions(position1: PositionInterface, position2: PositionInterface): number
-    {
+    public static computeDistanceBetweenPositions(position1: PositionInterface, position2: PositionInterface): number {
         return Math.sqrt(Math.pow(position2.x - position1.x, 2) + Math.pow(position2.y - position1.y, 2));
     }
 
@@ -327,7 +331,7 @@ export class GameRoom {
     }
 
     public incrementVersion(): number {
-        this.versionNumber++
+        this.versionNumber++;
         return this.versionNumber;
     }
 

back/src/Model/Group.ts

@@ -1,13 +1,12 @@
 import { ConnectCallback, DisconnectCallback } from "./GameRoom";
 import { User } from "./User";
-import {PositionInterface} from "_Model/PositionInterface";
-import {Movable} from "_Model/Movable";
-import {PositionNotifier} from "_Model/PositionNotifier";
-import {gaugeManager} from "../Services/GaugeManager";
-import {MAX_PER_GROUP} from "../Enum/EnvironmentVariable";
+import { PositionInterface } from "_Model/PositionInterface";
+import { Movable } from "_Model/Movable";
+import { PositionNotifier } from "_Model/PositionNotifier";
+import { gaugeManager } from "../Services/GaugeManager";
+import { MAX_PER_GROUP } from "../Enum/EnvironmentVariable";
 
 export class Group implements Movable {
-
     private static nextId: number = 1;
 
     private id: number;
@@ -18,8 +17,13 @@ export class Group implements Movable {
     private wasDestroyed: boolean = false;
     private roomId: string;
 
-
-    constructor(roomId: string, users: User[], private connectCallback: ConnectCallback, private disconnectCallback: DisconnectCallback, private positionNotifier: PositionNotifier) {
+    constructor(
+        roomId: string,
+        users: User[],
+        private connectCallback: ConnectCallback,
+        private disconnectCallback: DisconnectCallback,
+        private positionNotifier: PositionNotifier
+    ) {
         this.roomId = roomId;
         this.users = new Set<User>();
         this.id = Group.nextId;
@@ -43,7 +47,7 @@ export class Group implements Movable {
         return Array.from(this.users.values());
     }
 
-    getId() : number {
+    getId(): number {
         return this.id;
     }
 
@@ -53,7 +57,7 @@ export class Group implements Movable {
     getPosition(): PositionInterface {
         return {
             x: this.x,
-            y: this.y
+            y: this.y,
         };
     }
 
@@ -83,7 +87,7 @@ export class Group implements Movable {
         if (oldX === undefined) {
             this.positionNotifier.enter(this);
         } else {
-            this.positionNotifier.updatePosition(this, {x, y}, {x: oldX, y: oldY});
+            this.positionNotifier.updatePosition(this, { x, y }, { x: oldX, y: oldY });
         }
     }
 
@@ -95,19 +99,17 @@ export class Group implements Movable {
         return this.users.size <= 1;
     }
 
-    join(user: User): void
-    {
+    join(user: User): void {
         // Broadcast on the right event
         this.connectCallback(user, this);
         this.users.add(user);
         user.group = this;
     }
 
-    leave(user: User): void
-    {
+    leave(user: User): void {
         const success = this.users.delete(user);
         if (success === false) {
-            throw new Error("Could not find user "+user.id+" in the group "+this.id);
+            throw new Error("Could not find user " + user.id + " in the group " + this.id);
         }
         user.group = undefined;
 
@@ -123,8 +125,7 @@ export class Group implements Movable {
      * Let's kick everybody out.
      * Usually used when there is only one user left.
      */
-    destroy(): void
-    {
+    destroy(): void {
         if (this.hasEditedGauge) gaugeManager.decNbGroupsPerRoomGauge(this.roomId);
         for (const user of this.users) {
             this.leave(user);
@@ -132,7 +133,7 @@ export class Group implements Movable {
         this.wasDestroyed = true;
     }
 
-    get getSize(){
+    get getSize() {
         return this.users.size;
     }
 }

back/src/Model/Movable.ts

@@ -1,8 +1,8 @@
-import {PositionInterface} from "_Model/PositionInterface";
+import { PositionInterface } from "_Model/PositionInterface";
 
 /**
  * A physical object that can be placed into a Zone
  */
 export interface Movable {
-    getPosition(): PositionInterface
+    getPosition(): PositionInterface;
 }

back/src/Model/PositionInterface.ts

@@ -1,4 +1,4 @@
 export interface PositionInterface {
-    x: number,
-    y: number
+    x: number;
+    y: number;
 }

back/src/Model/PositionNotifier.ts

@@ -8,12 +8,12 @@
  * The PositionNotifier is important for performance. It allows us to send the position of players only to a restricted
  * number of players around the current player.
  */
-import {EmoteCallback, EntersCallback, LeavesCallback, MovesCallback, Zone} from "./Zone";
-import {Movable} from "_Model/Movable";
-import {PositionInterface} from "_Model/PositionInterface";
-import {ZoneSocket} from "../RoomManager";
-import {User} from "_Model/User";
-import {EmoteEventMessage} from "../Messages/generated/messages_pb";
+import { EmoteCallback, EntersCallback, LeavesCallback, MovesCallback, Zone } from "./Zone";
+import { Movable } from "_Model/Movable";
+import { PositionInterface } from "_Model/PositionInterface";
+import { ZoneSocket } from "../RoomManager";
+import { User } from "_Model/User";
+import { EmoteEventMessage } from "../Messages/generated/messages_pb";
 
 interface ZoneDescriptor {
     i: number;
@@ -21,19 +21,24 @@ interface ZoneDescriptor {
 }
 
 export class PositionNotifier {
-
     // TODO: we need a way to clean the zones if noone is in the zone and noone listening (to free memory!)
 
     private zones: Zone[][] = [];
 
-    constructor(private zoneWidth: number, private zoneHeight: number, private onUserEnters: EntersCallback, private onUserMoves: MovesCallback, private onUserLeaves: LeavesCallback, private onEmote: EmoteCallback) {
-    }
+    constructor(
+        private zoneWidth: number,
+        private zoneHeight: number,
+        private onUserEnters: EntersCallback,
+        private onUserMoves: MovesCallback,
+        private onUserLeaves: LeavesCallback,
+        private onEmote: EmoteCallback
+    ) {}
 
     private getZoneDescriptorFromCoordinates(x: number, y: number): ZoneDescriptor {
         return {
             i: Math.floor(x / this.zoneWidth),
             j: Math.floor(y / this.zoneHeight),
-        }
+        };
     }
 
     public enter(thing: Movable): void {
@@ -100,6 +105,5 @@ export class PositionNotifier {
         const zoneDesc = this.getZoneDescriptorFromCoordinates(user.getPosition().x, user.getPosition().y);
         const zone = this.getZone(zoneDesc.i, zoneDesc.j);
         zone.emitEmoteEvent(emoteEventMessage);
-        
     }
 }

back/src/Model/RoomIdentifier.ts

@@ -1,30 +1,30 @@
 //helper functions to parse room IDs
 
 export const isRoomAnonymous = (roomID: string): boolean => {
-    if (roomID.startsWith('_/')) {
+    if (roomID.startsWith("_/")) {
         return true;
-    } else if(roomID.startsWith('@/')) {
+    } else if (roomID.startsWith("@/")) {
         return false;
     } else {
-        throw new Error('Incorrect room ID: '+roomID);
+        throw new Error("Incorrect room ID: " + roomID);
     }
-}
+};
 
 export const extractRoomSlugPublicRoomId = (roomId: string): string => {
-    const idParts = roomId.split('/');
-    if (idParts.length < 3) throw new Error('Incorrect roomId: '+roomId);
-    return idParts.slice(2).join('/');
-}
+    const idParts = roomId.split("/");
+    if (idParts.length < 3) throw new Error("Incorrect roomId: " + roomId);
+    return idParts.slice(2).join("/");
+};
 export interface extractDataFromPrivateRoomIdResponse {
     organizationSlug: string;
     worldSlug: string;
     roomSlug: string;
 }
 export const extractDataFromPrivateRoomId = (roomId: string): extractDataFromPrivateRoomIdResponse => {
-    const idParts = roomId.split('/');
-    if (idParts.length < 4) throw new Error('Incorrect roomId: '+roomId);
+    const idParts = roomId.split("/");
+    if (idParts.length < 4) throw new Error("Incorrect roomId: " + roomId);
     const organizationSlug = idParts[1];
     const worldSlug = idParts[2];
     const roomSlug = idParts[3];
-    return {organizationSlug, worldSlug, roomSlug}
-}
+    return { organizationSlug, worldSlug, roomSlug };
+};

back/src/Model/User.ts

@@ -1,11 +1,17 @@
 import { Group } from "./Group";
 import { PointInterface } from "./Websocket/PointInterface";
-import {Zone} from "_Model/Zone";
-import {Movable} from "_Model/Movable";
-import {PositionNotifier} from "_Model/PositionNotifier";
-import {ServerDuplexStream} from "grpc";
-import {BatchMessage, CompanionMessage, PusherToBackMessage, ServerToClientMessage, SubMessage} from "../Messages/generated/messages_pb";
-import {CharacterLayer} from "_Model/Websocket/CharacterLayer";
+import { Zone } from "_Model/Zone";
+import { Movable } from "_Model/Movable";
+import { PositionNotifier } from "_Model/PositionNotifier";
+import { ServerDuplexStream } from "grpc";
+import {
+    BatchMessage,
+    CompanionMessage,
+    PusherToBackMessage,
+    ServerToClientMessage,
+    SubMessage,
+} from "../Messages/generated/messages_pb";
+import { CharacterLayer } from "_Model/Websocket/CharacterLayer";
 
 export type UserSocket = ServerDuplexStream<PusherToBackMessage, ServerToClientMessage>;
 
@@ -22,7 +28,7 @@ export class User implements Movable {
         private positionNotifier: PositionNotifier,
         public readonly socket: UserSocket,
         public readonly tags: string[],
-        public readonly visitCardUrl: string|null,
+        public readonly visitCardUrl: string | null,
         public readonly name: string,
         public readonly characterLayers: CharacterLayer[],
         public readonly companion?: CompanionMessage
@@ -42,9 +48,8 @@ export class User implements Movable {
         this.positionNotifier.updatePosition(this, position, oldPosition);
     }
 
-
     private batchedMessages: BatchMessage = new BatchMessage();
-    private batchTimeout: NodeJS.Timeout|null = null;
+    private batchTimeout: NodeJS.Timeout | null = null;
 
     public emitInBatch(payload: SubMessage): void {
         this.batchedMessages.addPayload(payload);

back/src/Model/Websocket/CharacterLayer.ts

@@ -1,4 +1,4 @@
 export interface CharacterLayer {
-    name: string,
-    url: string|undefined
+    name: string;
+    url: string | undefined;
 }

back/src/Model/Websocket/ItemEventMessage.ts

@@ -1,10 +1,11 @@
 import * as tg from "generic-type-guard";
 
-export const isItemEventMessageInterface =
-    new tg.IsInterface().withProperties({
+export const isItemEventMessageInterface = new tg.IsInterface()
+    .withProperties({
         itemId: tg.isNumber,
         event: tg.isString,
         state: tg.isUnknown,
         parameters: tg.isUnknown,
-    }).get();
+    })
+    .get();
 export type ItemEventMessageInterface = tg.GuardedType<typeof isItemEventMessageInterface>;

back/src/Model/Websocket/MessageUserPosition.ts

@@ -1,7 +1,10 @@
-import {PointInterface} from "./PointInterface";
+import { PointInterface } from "./PointInterface";
 
-export class Point implements PointInterface{
-    constructor(public x : number, public y : number, public direction : string = "none", public moving : boolean = false) {
-    }
+export class Point implements PointInterface {
+    constructor(
+        public x: number,
+        public y: number,
+        public direction: string = "none",
+        public moving: boolean = false
+    ) {}
 }
-

back/src/Model/Websocket/PointInterface.ts

@@ -7,11 +7,12 @@ import * as tg from "generic-type-guard";
     readonly moving: boolean;
 }*/
 
-export const isPointInterface =
-    new tg.IsInterface().withProperties({
+export const isPointInterface = new tg.IsInterface()
+    .withProperties({
         x: tg.isNumber,
         y: tg.isNumber,
         direction: tg.isString,
-        moving: tg.isBoolean
-    }).get();
+        moving: tg.isBoolean,
+    })
+    .get();
 export type PointInterface = tg.GuardedType<typeof isPointInterface>;

back/src/Model/Websocket/ProtobufUtils.ts

@@ -1,34 +1,33 @@
-import {PointInterface} from "./PointInterface";
+import { PointInterface } from "./PointInterface";
 import {
     CharacterLayerMessage,
     ItemEventMessage,
     PointMessage,
-    PositionMessage
+    PositionMessage,
 } from "../../Messages/generated/messages_pb";
-import {CharacterLayer} from "_Model/Websocket/CharacterLayer";
+import { CharacterLayer } from "_Model/Websocket/CharacterLayer";
 import Direction = PositionMessage.Direction;
-import {ItemEventMessageInterface} from "_Model/Websocket/ItemEventMessage";
-import {PositionInterface} from "_Model/PositionInterface";
+import { ItemEventMessageInterface } from "_Model/Websocket/ItemEventMessage";
+import { PositionInterface } from "_Model/PositionInterface";
 
 export class ProtobufUtils {
-
     public static toPositionMessage(point: PointInterface): PositionMessage {
         let direction: Direction;
         switch (point.direction) {
-            case 'up':
+            case "up":
                 direction = Direction.UP;
                 break;
-            case 'down':
+            case "down":
                 direction = Direction.DOWN;
                 break;
-            case 'left':
+            case "left":
                 direction = Direction.LEFT;
                 break;
-            case 'right':
+            case "right":
                 direction = Direction.RIGHT;
                 break;
             default:
-                throw new Error('unexpected direction');
+                throw new Error("unexpected direction");
         }
 
         const position = new PositionMessage();
@@ -44,16 +43,16 @@ export class ProtobufUtils {
         let direction: string;
         switch (position.getDirection()) {
             case Direction.UP:
-                direction = 'up';
+                direction = "up";
                 break;
             case Direction.DOWN:
-                direction = 'down';
+                direction = "down";
                 break;
             case Direction.LEFT:
-                direction = 'left';
+                direction = "left";
                 break;
             case Direction.RIGHT:
-                direction = 'right';
+                direction = "right";
                 break;
             default:
                 throw new Error("Unexpected direction");
@@ -82,7 +81,7 @@ export class ProtobufUtils {
             event: itemEventMessage.getEvent(),
             parameters: JSON.parse(itemEventMessage.getParametersjson()),
             state: JSON.parse(itemEventMessage.getStatejson()),
-        }
+        };
     }
 
     public static toItemEventProtobuf(itemEvent: ItemEventMessageInterface): ItemEventMessage {
@@ -96,7 +95,7 @@ export class ProtobufUtils {
     }
 
     public static toCharacterLayerMessages(characterLayers: CharacterLayer[]): CharacterLayerMessage[] {
-        return characterLayers.map(function(characterLayer): CharacterLayerMessage {
+        return characterLayers.map(function (characterLayer): CharacterLayerMessage {
             const message = new CharacterLayerMessage();
             message.setName(characterLayer.name);
             if (characterLayer.url) {
@@ -107,7 +106,7 @@ export class ProtobufUtils {
     }
 
     public static toCharacterLayerObjects(characterLayers: CharacterLayerMessage[]): CharacterLayer[] {
-        return characterLayers.map(function(characterLayer): CharacterLayer {
+        return characterLayers.map(function (characterLayer): CharacterLayer {
             const url = characterLayer.getUrl();
             return {
                 name: characterLayer.getName(),

back/src/Model/Zone.ts

@@ -1,35 +1,52 @@
-import {User} from "./User";
-import {PositionInterface} from "_Model/PositionInterface";
-import {Movable} from "./Movable";
-import {Group} from "./Group";
-import {ZoneSocket} from "../RoomManager";
-import {EmoteEventMessage} from "../Messages/generated/messages_pb";
+import { User } from "./User";
+import { PositionInterface } from "_Model/PositionInterface";
+import { Movable } from "./Movable";
+import { Group } from "./Group";
+import { ZoneSocket } from "../RoomManager";
+import { EmoteEventMessage } from "../Messages/generated/messages_pb";
 
-export type EntersCallback = (thing: Movable, fromZone: Zone|null, listener: ZoneSocket) => void;
+export type EntersCallback = (thing: Movable, fromZone: Zone | null, listener: ZoneSocket) => void;
 export type MovesCallback = (thing: Movable, position: PositionInterface, listener: ZoneSocket) => void;
-export type LeavesCallback = (thing: Movable, newZone: Zone|null, listener: ZoneSocket) => void;
+export type LeavesCallback = (thing: Movable, newZone: Zone | null, listener: ZoneSocket) => void;
 export type EmoteCallback = (emoteEventMessage: EmoteEventMessage, listener: ZoneSocket) => void;
 
 export class Zone {
     private things: Set<Movable> = new Set<Movable>();
     private listeners: Set<ZoneSocket> = new Set<ZoneSocket>();
 
-    
-    constructor(private onEnters: EntersCallback, private onMoves: MovesCallback, private onLeaves: LeavesCallback, private onEmote: EmoteCallback, public readonly x: number, public readonly y: number) { }
+    constructor(
+        private onEnters: EntersCallback,
+        private onMoves: MovesCallback,
+        private onLeaves: LeavesCallback,
+        private onEmote: EmoteCallback,
+        public readonly x: number,
+        public readonly y: number
+    ) {}
 
     /**
      * A user/thing leaves the zone
      */
-    public leave(thing: Movable, newZone: Zone|null) {
+    public leave(thing: Movable, newZone: Zone | null) {
         const result = this.things.delete(thing);
         if (!result) {
             if (thing instanceof User) {
-                throw new Error('Could not find user in zone '+thing.id);
+                throw new Error("Could not find user in zone " + thing.id);
             }
             if (thing instanceof Group) {
-                throw new Error('Could not find group '+thing.getId()+' in zone ('+this.x+','+this.y+'). Position of group: ('+thing.getPosition().x+','+thing.getPosition().y+')');
+                throw new Error(
+                    "Could not find group " +
+                        thing.getId() +
+                        " in zone (" +
+                        this.x +
+                        "," +
+                        this.y +
+                        "). Position of group: (" +
+                        thing.getPosition().x +
+                        "," +
+                        thing.getPosition().y +
+                        ")"
+                );
             }
-
         }
         this.notifyLeft(thing, newZone);
     }
@@ -37,13 +54,13 @@ export class Zone {
     /**
      * Notify listeners of this zone that this user/thing left
      */
-    private notifyLeft(thing: Movable, newZone: Zone|null) {
+    private notifyLeft(thing: Movable, newZone: Zone | null) {
         for (const listener of this.listeners) {
             this.onLeaves(thing, newZone, listener);
         }
     }
 
-    public enter(thing: Movable, oldZone: Zone|null, position: PositionInterface) {
+    public enter(thing: Movable, oldZone: Zone | null, position: PositionInterface) {
         this.things.add(thing);
         this.notifyEnter(thing, oldZone, position);
     }
@@ -51,13 +68,12 @@ export class Zone {
     /**
      * Notify listeners of this zone that this user entered
      */
-    private notifyEnter(thing: Movable, oldZone: Zone|null, position: PositionInterface) {
+    private notifyEnter(thing: Movable, oldZone: Zone | null, position: PositionInterface) {
         for (const listener of this.listeners) {
             this.onEnters(thing, oldZone, listener);
         }
     }
 
-
     public move(thing: Movable, position: PositionInterface) {
         if (!this.things.has(thing)) {
             this.things.add(thing);
@@ -67,7 +83,7 @@ export class Zone {
 
         for (const listener of this.listeners) {
             //if (listener !== thing) {
-                this.onMoves(thing,position, listener);
+            this.onMoves(thing, position, listener);
             //}
         }
     }
@@ -89,6 +105,5 @@ export class Zone {
         for (const listener of this.listeners) {
             this.onEmote(emoteEventMessage, listener);
         }
-        
     }
 }

back/src/RoomManager.ts

@@ -1,4 +1,4 @@
-import {IRoomManagerServer} from "./Messages/generated/messages_grpc_pb";
+import { IRoomManagerServer } from "./Messages/generated/messages_grpc_pb";
 import {
     AdminGlobalMessage,
     AdminMessage,
@@ -11,92 +11,114 @@ import {
     JoinRoomMessage,
     PlayGlobalMessage,
     PusherToBackMessage,
-    QueryJitsiJwtMessage, RefreshRoomPromptMessage,
+    QueryJitsiJwtMessage,
+    RefreshRoomPromptMessage,
     ServerToAdminClientMessage,
     ServerToClientMessage,
     SilentMessage,
     UserMovesMessage,
-    WebRtcSignalToServerMessage, WorldFullWarningToRoomMessage,
-    ZoneMessage
+    WebRtcSignalToServerMessage,
+    WorldFullWarningToRoomMessage,
+    ZoneMessage,
 } from "./Messages/generated/messages_pb";
-import {sendUnaryData, ServerDuplexStream, ServerUnaryCall, ServerWritableStream} from "grpc";
-import {socketManager} from "./Services/SocketManager";
-import {emitError} from "./Services/MessageHelpers";
-import {User, UserSocket} from "./Model/User";
-import {GameRoom} from "./Model/GameRoom";
+import { sendUnaryData, ServerDuplexStream, ServerUnaryCall, ServerWritableStream } from "grpc";
+import { socketManager } from "./Services/SocketManager";
+import { emitError } from "./Services/MessageHelpers";
+import { User, UserSocket } from "./Model/User";
+import { GameRoom } from "./Model/GameRoom";
 import Debug from "debug";
-import {Admin} from "./Model/Admin";
+import { Admin } from "./Model/Admin";
 
-const debug = Debug('roommanager');
+const debug = Debug("roommanager");
 
 export type AdminSocket = ServerDuplexStream<AdminPusherToBackMessage, ServerToAdminClientMessage>;
 export type ZoneSocket = ServerWritableStream<ZoneMessage, ServerToClientMessage>;
 
 const roomManager: IRoomManagerServer = {
     joinRoom: (call: UserSocket): void => {
-        console.log('joinRoom called');
+        console.log("joinRoom called");
 
-        let room: GameRoom|null = null;
-        let user: User|null = null;
+        let room: GameRoom | null = null;
+        let user: User | null = null;
 
-        call.on('data', (message: PusherToBackMessage) => {
+        call.on("data", (message: PusherToBackMessage) => {
             try {
                 if (room === null || user === null) {
                     if (message.hasJoinroommessage()) {
-                        socketManager.handleJoinRoom(call, message.getJoinroommessage() as JoinRoomMessage).then(({room: gameRoom, user: myUser}) => {
-                            if (call.writable) {
-                                room = gameRoom;
-                                user = myUser;
-                            } else {
-                                //Connexion may have been closed before the init was finished, so we have to manually disconnect the user.
-                                socketManager.leaveRoom(gameRoom, myUser);
-                            }
-                        });
+                        socketManager
+                            .handleJoinRoom(call, message.getJoinroommessage() as JoinRoomMessage)
+                            .then(({ room: gameRoom, user: myUser }) => {
+                                if (call.writable) {
+                                    room = gameRoom;
+                                    user = myUser;
+                                } else {
+                                    //Connexion may have been closed before the init was finished, so we have to manually disconnect the user.
+                                    socketManager.leaveRoom(gameRoom, myUser);
+                                }
+                            });
                     } else {
-                        throw new Error('The first message sent MUST be of type JoinRoomMessage');
+                        throw new Error("The first message sent MUST be of type JoinRoomMessage");
                     }
                 } else {
                     if (message.hasJoinroommessage()) {
-                        throw new Error('Cannot call JoinRoomMessage twice!');
+                        throw new Error("Cannot call JoinRoomMessage twice!");
                     } else if (message.hasUsermovesmessage()) {
-                        socketManager.handleUserMovesMessage(room, user, message.getUsermovesmessage() as UserMovesMessage);
+                        socketManager.handleUserMovesMessage(
+                            room,
+                            user,
+                            message.getUsermovesmessage() as UserMovesMessage
+                        );
                     } else if (message.hasSilentmessage()) {
                         socketManager.handleSilentMessage(room, user, message.getSilentmessage() as SilentMessage);
                     } else if (message.hasItemeventmessage()) {
                         socketManager.handleItemEvent(room, user, message.getItemeventmessage() as ItemEventMessage);
                     } else if (message.hasWebrtcsignaltoservermessage()) {
-                        socketManager.emitVideo(room, user, message.getWebrtcsignaltoservermessage() as WebRtcSignalToServerMessage);
+                        socketManager.emitVideo(
+                            room,
+                            user,
+                            message.getWebrtcsignaltoservermessage() as WebRtcSignalToServerMessage
+                        );
                     } else if (message.hasWebrtcscreensharingsignaltoservermessage()) {
-                        socketManager.emitScreenSharing(room, user, message.getWebrtcscreensharingsignaltoservermessage() as WebRtcSignalToServerMessage);
+                        socketManager.emitScreenSharing(
+                            room,
+                            user,
+                            message.getWebrtcscreensharingsignaltoservermessage() as WebRtcSignalToServerMessage
+                        );
                     } else if (message.hasPlayglobalmessage()) {
                         socketManager.emitPlayGlobalMessage(room, message.getPlayglobalmessage() as PlayGlobalMessage);
-                    } else if (message.hasQueryjitsijwtmessage()){
-                        socketManager.handleQueryJitsiJwtMessage(user, message.getQueryjitsijwtmessage() as QueryJitsiJwtMessage);
-                    } else if (message.hasEmotepromptmessage()){
-                        socketManager.handleEmoteEventMessage(room, user, message.getEmotepromptmessage() as EmotePromptMessage);
-                    }else if (message.hasSendusermessage()) {
+                    } else if (message.hasQueryjitsijwtmessage()) {
+                        socketManager.handleQueryJitsiJwtMessage(
+                            user,
+                            message.getQueryjitsijwtmessage() as QueryJitsiJwtMessage
+                        );
+                    } else if (message.hasEmotepromptmessage()) {
+                        socketManager.handleEmoteEventMessage(
+                            room,
+                            user,
+                            message.getEmotepromptmessage() as EmotePromptMessage
+                        );
+                    } else if (message.hasSendusermessage()) {
                         const sendUserMessage = message.getSendusermessage();
-                        if(sendUserMessage !== undefined) {
+                        if (sendUserMessage !== undefined) {
                             socketManager.handlerSendUserMessage(user, sendUserMessage);
                         }
-                    }else if (message.hasBanusermessage()) {
+                    } else if (message.hasBanusermessage()) {
                         const banUserMessage = message.getBanusermessage();
-                        if(banUserMessage !== undefined) {
+                        if (banUserMessage !== undefined) {
                             socketManager.handlerBanUserMessage(room, user, banUserMessage);
                         }
                     } else {
-                        throw new Error('Unhandled message type');
+                        throw new Error("Unhandled message type");
                     }
                 }
             } catch (e) {
                 emitError(call, e);
                 call.end();
             }
-
         });
 
-        call.on('end', () => {
-            debug('joinRoom ended');
+        call.on("end", () => {
+            debug("joinRoom ended");
             if (user !== null && room !== null) {
                 socketManager.leaveRoom(room, user);
             }
@@ -105,41 +127,40 @@ const roomManager: IRoomManagerServer = {
             user = null;
         });
 
-        call.on('error', (err: Error) => {
-            console.error('An error occurred in joinRoom stream:', err);
+        call.on("error", (err: Error) => {
+            console.error("An error occurred in joinRoom stream:", err);
         });
-
     },
 
     listenZone(call: ZoneSocket): void {
-        debug('listenZone called');
+        debug("listenZone called");
         const zoneMessage = call.request;
 
         socketManager.addZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY());
 
-        call.on('cancelled', () => {
-            debug('listenZone cancelled');
+        call.on("cancelled", () => {
+            debug("listenZone cancelled");
             socketManager.removeZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY());
             call.end();
-        })
+        });
 
-        call.on('close', () => {
-            debug('listenZone connection closed');
+        call.on("close", () => {
+            debug("listenZone connection closed");
             socketManager.removeZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY());
-        }).on('error', (e) => {
-            console.error('An error occurred in listenZone stream:', e);
+        }).on("error", (e) => {
+            console.error("An error occurred in listenZone stream:", e);
             socketManager.removeZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY());
             call.end();
         });
     },
 
     adminRoom(call: AdminSocket): void {
-        console.log('adminRoom called');
+        console.log("adminRoom called");
 
         const admin = new Admin(call);
-        let room: GameRoom|null = null;
+        let room: GameRoom | null = null;
 
-        call.on('data', (message: AdminPusherToBackMessage) => {
+        call.on("data", (message: AdminPusherToBackMessage) => {
             try {
                 if (room === null) {
                     if (message.hasSubscribetoroom()) {
@@ -148,18 +169,17 @@ const roomManager: IRoomManagerServer = {
                             room = gameRoom;
                         });
                     } else {
-                        throw new Error('The first message sent MUST be of type JoinRoomMessage');
+                        throw new Error("The first message sent MUST be of type JoinRoomMessage");
                     }
                 }
             } catch (e) {
                 emitError(call, e);
                 call.end();
             }
-
         });
 
-        call.on('end', () => {
-            debug('joinRoom ended');
+        call.on("end", () => {
+            debug("joinRoom ended");
             if (room !== null) {
                 socketManager.leaveAdminRoom(room, admin);
             }
@@ -167,18 +187,21 @@ const roomManager: IRoomManagerServer = {
             room = null;
         });
 
-        call.on('error', (err: Error) => {
-            console.error('An error occurred in joinAdminRoom stream:', err);
+        call.on("error", (err: Error) => {
+            console.error("An error occurred in joinAdminRoom stream:", err);
         });
     },
     sendAdminMessage(call: ServerUnaryCall<AdminMessage>, callback: sendUnaryData<EmptyMessage>): void {
-
-        socketManager.sendAdminMessage(call.request.getRoomid(), call.request.getRecipientuuid(), call.request.getMessage());
+        socketManager.sendAdminMessage(
+            call.request.getRoomid(),
+            call.request.getRecipientuuid(),
+            call.request.getMessage()
+        );
 
         callback(null, new EmptyMessage());
     },
     sendGlobalAdminMessage(call: ServerUnaryCall<AdminGlobalMessage>, callback: sendUnaryData<EmptyMessage>): void {
-        throw new Error('Not implemented yet');
+        throw new Error("Not implemented yet");
         // TODO
         callback(null, new EmptyMessage());
     },
@@ -192,14 +215,20 @@ const roomManager: IRoomManagerServer = {
         socketManager.sendAdminRoomMessage(call.request.getRoomid(), call.request.getMessage());
         callback(null, new EmptyMessage());
     },
-    sendWorldFullWarningToRoom(call: ServerUnaryCall<WorldFullWarningToRoomMessage>, callback: sendUnaryData<EmptyMessage>): void {
+    sendWorldFullWarningToRoom(
+        call: ServerUnaryCall<WorldFullWarningToRoomMessage>,
+        callback: sendUnaryData<EmptyMessage>
+    ): void {
         socketManager.dispatchWorlFullWarning(call.request.getRoomid());
         callback(null, new EmptyMessage());
     },
-    sendRefreshRoomPrompt(call: ServerUnaryCall<RefreshRoomPromptMessage>, callback: sendUnaryData<EmptyMessage>): void {
+    sendRefreshRoomPrompt(
+        call: ServerUnaryCall<RefreshRoomPromptMessage>,
+        callback: sendUnaryData<EmptyMessage>
+    ): void {
         socketManager.dispatchRoomRefresh(call.request.getRoomid());
         callback(null, new EmptyMessage());
     },
 };
 
-export {roomManager};
+export { roomManager };

back/src/Server/server/app.ts

@@ -1,13 +1,13 @@
-import { App as _App, AppOptions } from 'uWebSockets.js';
-import BaseApp from './baseapp';
-import { extend } from './utils';
-import { UwsApp } from './types';
+import { App as _App, AppOptions } from "uWebSockets.js";
+import BaseApp from "./baseapp";
+import { extend } from "./utils";
+import { UwsApp } from "./types";
 
 class App extends (<UwsApp>_App) {
-  constructor(options: AppOptions = {}) {
-    super(options); // eslint-disable-line constructor-super
-    extend(this, new BaseApp());
-  }
+    constructor(options: AppOptions = {}) {
+        super(options); // eslint-disable-line constructor-super
+        extend(this, new BaseApp());
+    }
 }
 
 export default App;

back/src/Server/server/baseapp.ts

@@ -1,116 +1,109 @@
-import { Readable } from 'stream';
-import { us_listen_socket_close, TemplatedApp, HttpResponse, HttpRequest } from 'uWebSockets.js';
+import { Readable } from "stream";
+import { us_listen_socket_close, TemplatedApp, HttpResponse, HttpRequest } from "uWebSockets.js";
 
-import formData from './formdata';
-import { stob } from './utils';
-import { Handler } from './types';
-import {join} from "path";
+import formData from "./formdata";
+import { stob } from "./utils";
+import { Handler } from "./types";
+import { join } from "path";
 
-const contTypes = ['application/x-www-form-urlencoded', 'multipart/form-data'];
+const contTypes = ["application/x-www-form-urlencoded", "multipart/form-data"];
 const noOp = () => true;
 
 const handleBody = (res: HttpResponse, req: HttpRequest) => {
-  const contType = req.getHeader('content-type');
+    const contType = req.getHeader("content-type");
 
-  res.bodyStream = function() {
-    const stream = new Readable();
-    stream._read = noOp; // eslint-disable-line @typescript-eslint/unbound-method
+    res.bodyStream = function () {
+        const stream = new Readable();
+        stream._read = noOp; // eslint-disable-line @typescript-eslint/unbound-method
 
-    this.onData((ab: ArrayBuffer, isLast: boolean) => {
-      // uint and then slicing is bit faster than slice and then uint
-      stream.push(new Uint8Array(ab.slice((ab as any).byteOffset, ab.byteLength))); // eslint-disable-line @typescript-eslint/no-explicit-any
-      if (isLast) {
-        stream.push(null);
-      }
-    });
+        this.onData((ab: ArrayBuffer, isLast: boolean) => {
+            // uint and then slicing is bit faster than slice and then uint
+            stream.push(new Uint8Array(ab.slice((ab as any).byteOffset, ab.byteLength))); // eslint-disable-line @typescript-eslint/no-explicit-any
+            if (isLast) {
+                stream.push(null);
+            }
+        });
 
-    return stream;
-  };
+        return stream;
+    };
 
-  res.body = () => stob(res.bodyStream());
+    res.body = () => stob(res.bodyStream());
 
-  if (contType.includes('application/json'))
-    res.json = async () => JSON.parse(await res.body());
-  if (contTypes.map(t => contType.includes(t)).includes(true))
-    res.formData = formData.bind(res, contType);
+    if (contType.includes("application/json")) res.json = async () => JSON.parse(await res.body());
+    if (contTypes.map((t) => contType.includes(t)).includes(true)) res.formData = formData.bind(res, contType);
 };
 
 class BaseApp {
-  _sockets = new Map();
-  ws!: TemplatedApp['ws'];
-  get!: TemplatedApp['get'];
-  _post!: TemplatedApp['post'];
-  _put!: TemplatedApp['put'];
-  _patch!: TemplatedApp['patch'];
-  _listen!: TemplatedApp['listen'];
+    _sockets = new Map();
+    ws!: TemplatedApp["ws"];
+    get!: TemplatedApp["get"];
+    _post!: TemplatedApp["post"];
+    _put!: TemplatedApp["put"];
+    _patch!: TemplatedApp["patch"];
+    _listen!: TemplatedApp["listen"];
 
-  post(pattern: string, handler: Handler) {
-    if (typeof handler !== 'function')
-      throw Error(`handler should be a function, given ${typeof handler}.`);
-    this._post(pattern, (res, req) => {
-      handleBody(res, req);
-      handler(res, req);
-    });
-    return this;
-  }
+    post(pattern: string, handler: Handler) {
+        if (typeof handler !== "function") throw Error(`handler should be a function, given ${typeof handler}.`);
+        this._post(pattern, (res, req) => {
+            handleBody(res, req);
+            handler(res, req);
+        });
+        return this;
+    }
 
-  put(pattern: string, handler: Handler) {
-    if (typeof handler !== 'function')
-      throw Error(`handler should be a function, given ${typeof handler}.`);
-    this._put(pattern, (res, req) => {
-      handleBody(res, req);
+    put(pattern: string, handler: Handler) {
+        if (typeof handler !== "function") throw Error(`handler should be a function, given ${typeof handler}.`);
+        this._put(pattern, (res, req) => {
+            handleBody(res, req);
 
-      handler(res, req);
-    });
-    return this;
-  }
+            handler(res, req);
+        });
+        return this;
+    }
 
-  patch(pattern: string, handler: Handler) {
-    if (typeof handler !== 'function')
-      throw Error(`handler should be a function, given ${typeof handler}.`);
-    this._patch(pattern, (res, req) => {
-      handleBody(res, req);
+    patch(pattern: string, handler: Handler) {
+        if (typeof handler !== "function") throw Error(`handler should be a function, given ${typeof handler}.`);
+        this._patch(pattern, (res, req) => {
+            handleBody(res, req);
 
-      handler(res, req);
-    });
-    return this;
-  }
+            handler(res, req);
+        });
+        return this;
+    }
 
-  listen(h: string | number, p: Function | number = noOp, cb?: Function) {
-    if (typeof p === 'number' && typeof h === 'string') {
-      this._listen(h, p, socket => {
-        this._sockets.set(p, socket);
-        if (cb === undefined) {
-          throw new Error('cb undefined');
+    listen(h: string | number, p: Function | number = noOp, cb?: Function) {
+        if (typeof p === "number" && typeof h === "string") {
+            this._listen(h, p, (socket) => {
+                this._sockets.set(p, socket);
+                if (cb === undefined) {
+                    throw new Error("cb undefined");
+                }
+                cb(socket);
+            });
+        } else if (typeof h === "number" && typeof p === "function") {
+            this._listen(h, (socket) => {
+                this._sockets.set(h, socket);
+                p(socket);
+            });
+        } else {
+            throw Error("Argument types: (host: string, port: number, cb?: Function) | (port: number, cb?: Function)");
         }
-        cb(socket);
-      });
-    } else if (typeof h === 'number' && typeof p === 'function') {
-      this._listen(h, socket => {
-        this._sockets.set(h, socket);
-        p(socket);
-      });
-    } else {
-      throw Error(
-        'Argument types: (host: string, port: number, cb?: Function) | (port: number, cb?: Function)'
-      );
+
+        return this;
     }
 
-    return this;
-  }
-
-  close(port: null | number = null) {
-    if (port) {
-      this._sockets.has(port) && us_listen_socket_close(this._sockets.get(port));
-      this._sockets.delete(port);
-    } else {
-      this._sockets.forEach(app => {
-        us_listen_socket_close(app);
-      });
-      this._sockets.clear();
+    close(port: null | number = null) {
+        if (port) {
+            this._sockets.has(port) && us_listen_socket_close(this._sockets.get(port));
+            this._sockets.delete(port);
+        } else {
+            this._sockets.forEach((app) => {
+                us_listen_socket_close(app);
+            });
+            this._sockets.clear();
+        }
+        return this;
     }
-    return this;
-  }
 }
 
 export default BaseApp;

back/src/Server/server/formdata.ts

@@ -1,100 +1,99 @@
-import { createWriteStream } from 'fs';
-import { join, dirname } from 'path';
-import Busboy from 'busboy';
-import mkdirp from 'mkdirp';
+import { createWriteStream } from "fs";
+import { join, dirname } from "path";
+import Busboy from "busboy";
+import mkdirp from "mkdirp";
 
 function formData(
-  contType: string,
-  options: busboy.BusboyConfig & {
-    abortOnLimit?: boolean;
-    tmpDir?: string;
-    onFile?: (
-      fieldname: string,
-      file: NodeJS.ReadableStream,
-      filename: string,
-      encoding: string,
-      mimetype: string
-    ) => string;
-    onField?: (fieldname: string, value: any) => void; // eslint-disable-line @typescript-eslint/no-explicit-any
-    filename?: (oldName: string) => string;
-  } = {}
+    contType: string,
+    options: busboy.BusboyConfig & {
+        abortOnLimit?: boolean;
+        tmpDir?: string;
+        onFile?: (
+            fieldname: string,
+            file: NodeJS.ReadableStream,
+            filename: string,
+            encoding: string,
+            mimetype: string
+        ) => string;
+        onField?: (fieldname: string, value: any) => void; // eslint-disable-line @typescript-eslint/no-explicit-any
+        filename?: (oldName: string) => string;
+    } = {}
 ) {
-  console.log('Enter form data');
-  options.headers = {
-    'content-type': contType
-  };
+    console.log("Enter form data");
+    options.headers = {
+        "content-type": contType,
+    };
 
-  return new Promise((resolve, reject) => {
-    const busb = new Busboy(options);
-    const ret = {};
+    return new Promise((resolve, reject) => {
+        const busb = new Busboy(options);
+        const ret = {};
 
-    this.bodyStream().pipe(busb);
+        this.bodyStream().pipe(busb);
 
-    busb.on('limit', () => {
-      if (options.abortOnLimit) {
-        reject(Error('limit'));
-      }
+        busb.on("limit", () => {
+            if (options.abortOnLimit) {
+                reject(Error("limit"));
+            }
+        });
+
+        busb.on("file", function (fieldname, file, filename, encoding, mimetype) {
+            const value: { filePath: string | undefined; filename: string; encoding: string; mimetype: string } = {
+                filename,
+                encoding,
+                mimetype,
+                filePath: undefined,
+            };
+
+            if (typeof options.tmpDir === "string") {
+                if (typeof options.filename === "function") filename = options.filename(filename);
+                const fileToSave = join(options.tmpDir, filename);
+                mkdirp(dirname(fileToSave));
+
+                file.pipe(createWriteStream(fileToSave));
+                value.filePath = fileToSave;
+            }
+            if (typeof options.onFile === "function") {
+                value.filePath = options.onFile(fieldname, file, filename, encoding, mimetype) || value.filePath;
+            }
+
+            setRetValue(ret, fieldname, value);
+        });
+
+        busb.on("field", function (fieldname, value) {
+            if (typeof options.onField === "function") options.onField(fieldname, value);
+
+            setRetValue(ret, fieldname, value);
+        });
+
+        busb.on("finish", function () {
+            resolve(ret);
+        });
+
+        busb.on("error", reject);
     });
-
-    busb.on('file', function(fieldname, file, filename, encoding, mimetype) {
-      const value: { filePath: string|undefined, filename: string, encoding:string, mimetype: string } = {
-        filename,
-        encoding,
-        mimetype,
-        filePath: undefined
-      };
-
-      if (typeof options.tmpDir === 'string') {
-        if (typeof options.filename === 'function') filename = options.filename(filename);
-        const fileToSave = join(options.tmpDir, filename);
-        mkdirp(dirname(fileToSave));
-
-        file.pipe(createWriteStream(fileToSave));
-        value.filePath = fileToSave;
-      }
-      if (typeof options.onFile === 'function') {
-        value.filePath =
-          options.onFile(fieldname, file, filename, encoding, mimetype) || value.filePath;
-      }
-
-      setRetValue(ret, fieldname, value);
-    });
-
-    busb.on('field', function(fieldname, value) {
-      if (typeof options.onField === 'function') options.onField(fieldname, value);
-
-      setRetValue(ret, fieldname, value);
-    });
-
-    busb.on('finish', function() {
-      resolve(ret);
-    });
-
-    busb.on('error', reject);
-  });
 }
 
 function setRetValue(
-  ret: { [x: string]: any }, // eslint-disable-line @typescript-eslint/no-explicit-any
-  fieldname: string,
-  value: { filename: string; encoding: string; mimetype: string; filePath?: string } | any // eslint-disable-line @typescript-eslint/no-explicit-any
+    ret: { [x: string]: any }, // eslint-disable-line @typescript-eslint/no-explicit-any
+    fieldname: string,
+    value: { filename: string; encoding: string; mimetype: string; filePath?: string } | any // eslint-disable-line @typescript-eslint/no-explicit-any
 ) {
-  if (fieldname.endsWith('[]')) {
-    fieldname = fieldname.slice(0, fieldname.length - 2);
-    if (Array.isArray(ret[fieldname])) {
-      ret[fieldname].push(value);
+    if (fieldname.endsWith("[]")) {
+        fieldname = fieldname.slice(0, fieldname.length - 2);
+        if (Array.isArray(ret[fieldname])) {
+            ret[fieldname].push(value);
+        } else {
+            ret[fieldname] = [value];
+        }
     } else {
-      ret[fieldname] = [value];
+        if (Array.isArray(ret[fieldname])) {
+            ret[fieldname].push(value);
+        } else if (ret[fieldname]) {
+            ret[fieldname] = [ret[fieldname], value];
+        } else {
+            ret[fieldname] = value;
+        }
     }
-  } else {
-    if (Array.isArray(ret[fieldname])) {
-      ret[fieldname].push(value);
-    } else if (ret[fieldname]) {
-      ret[fieldname] = [ret[fieldname], value];
-    } else {
-      ret[fieldname] = value;
-    }
-  }
 }
 
 export default formData;

back/src/Server/server/sslapp.ts

@@ -1,13 +1,13 @@
-import { SSLApp as _SSLApp, AppOptions } from 'uWebSockets.js';
-import BaseApp from './baseapp';
-import { extend } from './utils';
-import { UwsApp } from './types';
+import { SSLApp as _SSLApp, AppOptions } from "uWebSockets.js";
+import BaseApp from "./baseapp";
+import { extend } from "./utils";
+import { UwsApp } from "./types";
 
 class SSLApp extends (<UwsApp>_SSLApp) {
-  constructor(options: AppOptions) {
-    super(options); // eslint-disable-line constructor-super
-    extend(this, new BaseApp());
-  }
+    constructor(options: AppOptions) {
+        super(options); // eslint-disable-line constructor-super
+        extend(this, new BaseApp());
+    }
 }
 
 export default SSLApp;

back/src/Server/server/types.ts

@@ -1,9 +1,9 @@
-import { AppOptions, TemplatedApp, HttpResponse, HttpRequest } from 'uWebSockets.js';
+import { AppOptions, TemplatedApp, HttpResponse, HttpRequest } from "uWebSockets.js";
 
 export type UwsApp = {
-  (options: AppOptions): TemplatedApp;
-  new (options: AppOptions): TemplatedApp;
-  prototype: TemplatedApp;
+    (options: AppOptions): TemplatedApp;
+    new (options: AppOptions): TemplatedApp;
+    prototype: TemplatedApp;
 };
 
 export type Handler = (res: HttpResponse, req: HttpRequest) => void;

back/src/Server/server/utils.ts

@@ -1,37 +1,36 @@
-import { ReadStream } from 'fs';
+import { ReadStream } from "fs";
 
-function extend(who: any, from: any, overwrite = true) { // eslint-disable-line @typescript-eslint/no-explicit-any
-  const ownProps = Object.getOwnPropertyNames(Object.getPrototypeOf(from)).concat(
-    Object.keys(from)
-  );
-  ownProps.forEach(prop => {
-    if (prop === 'constructor' || from[prop] === undefined) return;
-    if (who[prop] && overwrite) {
-      who[`_${prop}`] = who[prop];
-    }
-    if (typeof from[prop] === 'function') who[prop] = from[prop].bind(who);
-    else who[prop] = from[prop];
-  });
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function extend(who: any, from: any, overwrite = true) {
+    const ownProps = Object.getOwnPropertyNames(Object.getPrototypeOf(from)).concat(Object.keys(from));
+    ownProps.forEach((prop) => {
+        if (prop === "constructor" || from[prop] === undefined) return;
+        if (who[prop] && overwrite) {
+            who[`_${prop}`] = who[prop];
+        }
+        if (typeof from[prop] === "function") who[prop] = from[prop].bind(who);
+        else who[prop] = from[prop];
+    });
 }
 
 function stob(stream: ReadStream): Promise<Buffer> {
-  return new Promise(resolve => {
-    const buffers: Buffer[] = [];
-    stream.on('data', buffers.push.bind(buffers));
+    return new Promise((resolve) => {
+        const buffers: Buffer[] = [];
+        stream.on("data", buffers.push.bind(buffers));
 
-    stream.on('end', () => {
-      switch (buffers.length) {
-        case 0:
-          resolve(Buffer.allocUnsafe(0));
-          break;
-        case 1:
-          resolve(buffers[0]);
-          break;
-        default:
-          resolve(Buffer.concat(buffers));
-      }
+        stream.on("end", () => {
+            switch (buffers.length) {
+                case 0:
+                    resolve(Buffer.allocUnsafe(0));
+                    break;
+                case 1:
+                    resolve(buffers[0]);
+                    break;
+                default:
+                    resolve(Buffer.concat(buffers));
+            }
+        });
     });
-  });
 }
 
 export { extend, stob };

back/src/Server/sifrr.server.ts

@@ -1,19 +1,19 @@
-import { parse } from 'query-string';
-import { HttpRequest } from 'uWebSockets.js';
-import App from './server/app';
-import SSLApp from './server/sslapp';
-import * as types from './server/types';
+import { parse } from "query-string";
+import { HttpRequest } from "uWebSockets.js";
+import App from "./server/app";
+import SSLApp from "./server/sslapp";
+import * as types from "./server/types";
 
 const getQuery = (req: HttpRequest) => {
-  return parse(req.getQuery());
+    return parse(req.getQuery());
 };
 
 export { App, SSLApp, getQuery };
-export * from './server/types';
+export * from "./server/types";
 
 export default {
-  App,
-  SSLApp,
-  getQuery,
-  ...types
+    App,
+    SSLApp,
+    getQuery,
+    ...types,
 };

back/src/Services/ArrayHelper.ts

@@ -1,3 +1,3 @@
-export const arrayIntersect = (array1: string[], array2: string[]) : boolean => {
-    return array1.filter(value => array2.includes(value)).length > 0;
-}
+export const arrayIntersect = (array1: string[], array2: string[]): boolean => {
+    return array1.filter((value) => array2.includes(value)).length > 0;
+};

back/src/Services/ClientEventsEmitter.ts

@@ -1,7 +1,7 @@
-const EventEmitter = require('events');
+const EventEmitter = require("events");
 
-const clientJoinEvent = 'clientJoin';
-const clientLeaveEvent = 'clientLeave';
+const clientJoinEvent = "clientJoin";
+const clientLeaveEvent = "clientLeave";
 
 class ClientEventsEmitter extends EventEmitter {
     emitClientJoin(clientUUid: string, roomId: string): void {

back/src/Services/CpuTracker.ts

@@ -1,6 +1,6 @@
-import {CPU_OVERHEAT_THRESHOLD} from "../Enum/EnvironmentVariable";
+import { CPU_OVERHEAT_THRESHOLD } from "../Enum/EnvironmentVariable";
 
-function secNSec2ms(secNSec: Array<number>|number) {
+function secNSec2ms(secNSec: Array<number> | number) {
     if (Array.isArray(secNSec)) {
         return secNSec[0] * 1000 + secNSec[1] / 1000000;
     }
@@ -12,17 +12,17 @@ class CpuTracker {
     private overHeating: boolean = false;
 
     constructor() {
-        let time  = process.hrtime.bigint()
-        let usage = process.cpuUsage()
+        let time = process.hrtime.bigint();
+        let usage = process.cpuUsage();
         setInterval(() => {
             const elapTime = process.hrtime.bigint();
-            const elapUsage = process.cpuUsage(usage)
-            usage = process.cpuUsage()
+            const elapUsage = process.cpuUsage(usage);
+            usage = process.cpuUsage();
 
             const elapTimeMS = elapTime - time;
-            const elapUserMS = secNSec2ms(elapUsage.user)
-            const elapSystMS = secNSec2ms(elapUsage.system)
-            this.cpuPercent = Math.round(100 * (elapUserMS + elapSystMS) / Number(elapTimeMS) * 1000000)
+            const elapUserMS = secNSec2ms(elapUsage.user);
+            const elapSystMS = secNSec2ms(elapUsage.system);
+            this.cpuPercent = Math.round(((100 * (elapUserMS + elapSystMS)) / Number(elapTimeMS)) * 1000000);
 
             time = elapTime;
 

back/src/Services/GaugeManager.ts

@@ -1,4 +1,4 @@
-import {Counter, Gauge} from "prom-client";
+import { Counter, Gauge } from "prom-client";
 
 //this class should manage all the custom metrics used by prometheus
 class GaugeManager {
@@ -10,29 +10,29 @@ class GaugeManager {
 
     constructor() {
         this.nbRoomsGauge = new Gauge({
-            name: 'workadventure_nb_rooms',
-            help: 'Number of active rooms'
+            name: "workadventure_nb_rooms",
+            help: "Number of active rooms",
         });
         this.nbClientsGauge = new Gauge({
-            name: 'workadventure_nb_sockets',
-            help: 'Number of connected sockets',
-            labelNames: [ ]
+            name: "workadventure_nb_sockets",
+            help: "Number of connected sockets",
+            labelNames: [],
         });
         this.nbClientsPerRoomGauge = new Gauge({
-            name: 'workadventure_nb_clients_per_room',
-            help: 'Number of clients per room',
-            labelNames: [ 'room' ]
+            name: "workadventure_nb_clients_per_room",
+            help: "Number of clients per room",
+            labelNames: ["room"],
         });
 
         this.nbGroupsPerRoomCounter = new Counter({
-            name: 'workadventure_counter_groups_per_room',
-            help: 'Counter of groups per room',
-            labelNames: [ 'room' ]
+            name: "workadventure_counter_groups_per_room",
+            help: "Counter of groups per room",
+            labelNames: ["room"],
         });
         this.nbGroupsPerRoomGauge = new Gauge({
-            name: 'workadventure_nb_groups_per_room',
-            help: 'Number of groups per room',
-            labelNames: [ 'room' ]
+            name: "workadventure_nb_groups_per_room",
+            help: "Number of groups per room",
+            labelNames: ["room"],
         });
     }
 
@@ -54,12 +54,12 @@ class GaugeManager {
     }
 
     incNbGroupsPerRoomGauge(roomId: string): void {
-        this.nbGroupsPerRoomCounter.inc({ room: roomId })
-        this.nbGroupsPerRoomGauge.inc({ room: roomId })
+        this.nbGroupsPerRoomCounter.inc({ room: roomId });
+        this.nbGroupsPerRoomGauge.inc({ room: roomId });
     }
 
     decNbGroupsPerRoomGauge(roomId: string): void {
-        this.nbGroupsPerRoomGauge.dec({ room: roomId })
+        this.nbGroupsPerRoomGauge.dec({ room: roomId });
     }
 }
 

back/src/Services/MessageHelpers.ts

@@ -1,5 +1,5 @@
-import {ErrorMessage, ServerToClientMessage} from "../Messages/generated/messages_pb";
-import {UserSocket} from "_Model/User";
+import { ErrorMessage, ServerToClientMessage } from "../Messages/generated/messages_pb";
+import { UserSocket } from "_Model/User";
 
 export function emitError(Client: UserSocket, message: string): void {
     const errorMessage = new ErrorMessage();
@@ -9,7 +9,7 @@ export function emitError(Client: UserSocket, message: string): void {
     serverToClientMessage.setErrormessage(errorMessage);
 
     //if (!Client.disconnecting) {
-        Client.write(serverToClientMessage);
+    Client.write(serverToClientMessage);
     //}
     console.warn(message);
 }

back/src/Services/SocketManager.ts

@@ -1,4 +1,4 @@
-import {GameRoom} from "../Model/GameRoom";
+import { GameRoom } from "../Model/GameRoom";
 import {
     ItemEventMessage,
     ItemStateMessage,
@@ -27,40 +27,40 @@ import {
     WorldFullWarningMessage,
     UserLeftZoneMessage,
     EmoteEventMessage,
-    BanUserMessage, RefreshRoomMessage, EmotePromptMessage,
+    BanUserMessage,
+    RefreshRoomMessage,
+    EmotePromptMessage,
 } from "../Messages/generated/messages_pb";
-import {User, UserSocket} from "../Model/User";
-import {ProtobufUtils} from "../Model/Websocket/ProtobufUtils";
-import {Group} from "../Model/Group";
-import {cpuTracker} from "./CpuTracker";
+import { User, UserSocket } from "../Model/User";
+import { ProtobufUtils } from "../Model/Websocket/ProtobufUtils";
+import { Group } from "../Model/Group";
+import { cpuTracker } from "./CpuTracker";
 import {
     GROUP_RADIUS,
     JITSI_ISS,
     MINIMUM_DISTANCE,
     SECRET_JITSI_KEY,
-    TURN_STATIC_AUTH_SECRET
+    TURN_STATIC_AUTH_SECRET,
 } from "../Enum/EnvironmentVariable";
-import {Movable} from "../Model/Movable";
-import {PositionInterface} from "../Model/PositionInterface";
+import { Movable } from "../Model/Movable";
+import { PositionInterface } from "../Model/PositionInterface";
 import Jwt from "jsonwebtoken";
-import {JITSI_URL} from "../Enum/EnvironmentVariable";
-import {clientEventsEmitter} from "./ClientEventsEmitter";
-import {gaugeManager} from "./GaugeManager";
-import {ZoneSocket} from "../RoomManager";
-import {Zone} from "_Model/Zone";
+import { JITSI_URL } from "../Enum/EnvironmentVariable";
+import { clientEventsEmitter } from "./ClientEventsEmitter";
+import { gaugeManager } from "./GaugeManager";
+import { ZoneSocket } from "../RoomManager";
+import { Zone } from "_Model/Zone";
 import Debug from "debug";
-import {Admin} from "_Model/Admin";
+import { Admin } from "_Model/Admin";
 import crypto from "crypto";
 
-
-const debug = Debug('sockermanager');
+const debug = Debug("sockermanager");
 
 function emitZoneMessage(subMessage: SubToPusherMessage, socket: ZoneSocket): void {
     // TODO: should we batch those every 100ms?
     const batchMessage = new BatchToPusherMessage();
     batchMessage.addPayload(subMessage);
 
-
     socket.write(batchMessage);
 }
 
@@ -68,7 +68,6 @@ export class SocketManager {
     private rooms: Map<string, GameRoom> = new Map<string, GameRoom>();
 
     constructor() {
-        
         clientEventsEmitter.registerToClientJoin((clientUUid: string, roomId: string) => {
             gaugeManager.incNbClientPerRoomGauge(roomId);
         });
@@ -77,16 +76,18 @@ export class SocketManager {
         });
     }
 
-    public async handleJoinRoom(socket: UserSocket, joinRoomMessage: JoinRoomMessage): Promise<{ room: GameRoom; user: User }> {
-        
+    public async handleJoinRoom(
+        socket: UserSocket,
+        joinRoomMessage: JoinRoomMessage
+    ): Promise<{ room: GameRoom; user: User }> {
         //join new previous room
-        const {room, user} = await this.joinRoom(socket, joinRoomMessage);
+        const { room, user } = await this.joinRoom(socket, joinRoomMessage);
 
         if (!socket.writable) {
-            console.warn('Socket was aborted');
+            console.warn("Socket was aborted");
             return {
                 room,
-                user
+                user,
             };
         }
         const roomJoinedMessage = new RoomJoinedMessage();
@@ -108,9 +109,8 @@ export class SocketManager {
 
         return {
             room,
-            user
+            user,
         };
-
     }
 
     handleUserMovesMessage(room: GameRoom, user: User, userMovesMessage: UserMovesMessage) {
@@ -124,14 +124,13 @@ export class SocketManager {
             }
 
             if (position === undefined) {
-                throw new Error('Position not found in message');
+                throw new Error("Position not found in message");
             }
             const viewport = userMoves.viewport;
             if (viewport === undefined) {
-                throw new Error('Viewport not found in message');
+                throw new Error("Viewport not found in message");
             }
 
-
             // update position in the world
             room.updatePosition(user, ProtobufUtils.toPointInterface(position));
             //room.setViewport(client, client.viewport);
@@ -189,7 +188,11 @@ export class SocketManager {
         //send only at user
         const remoteUser = room.getUsers().get(data.getReceiverid());
         if (remoteUser === undefined) {
-            console.warn("While exchanging a WebRTC signal: client with id ", data.getReceiverid(), " does not exist. This might be a race condition.");
+            console.warn(
+                "While exchanging a WebRTC signal: client with id ",
+                data.getReceiverid(),
+                " does not exist. This might be a race condition."
+            );
             return;
         }
 
@@ -197,8 +200,8 @@ export class SocketManager {
         webrtcSignalToClient.setUserid(user.id);
         webrtcSignalToClient.setSignal(data.getSignal());
         // TODO: only compute credentials if data.signal.type === "offer"
-        if (TURN_STATIC_AUTH_SECRET !== '') {
-            const {username, password} = this.getTURNCredentials(''+user.id, TURN_STATIC_AUTH_SECRET);
+        if (TURN_STATIC_AUTH_SECRET !== "") {
+            const { username, password } = this.getTURNCredentials("" + user.id, TURN_STATIC_AUTH_SECRET);
             webrtcSignalToClient.setWebrtcusername(username);
             webrtcSignalToClient.setWebrtcpassword(password);
         }
@@ -207,7 +210,7 @@ export class SocketManager {
         serverToClientMessage.setWebrtcsignaltoclientmessage(webrtcSignalToClient);
 
         //if (!client.disconnecting) {
-            remoteUser.socket.write(serverToClientMessage);
+        remoteUser.socket.write(serverToClientMessage);
         //}
     }
 
@@ -215,7 +218,11 @@ export class SocketManager {
         //send only at user
         const remoteUser = room.getUsers().get(data.getReceiverid());
         if (remoteUser === undefined) {
-            console.warn("While exchanging a WEBRTC_SCREEN_SHARING signal: client with id ", data.getReceiverid(), " does not exist. This might be a race condition.");
+            console.warn(
+                "While exchanging a WEBRTC_SCREEN_SHARING signal: client with id ",
+                data.getReceiverid(),
+                " does not exist. This might be a race condition."
+            );
             return;
         }
 
@@ -223,8 +230,8 @@ export class SocketManager {
         webrtcSignalToClient.setUserid(user.id);
         webrtcSignalToClient.setSignal(data.getSignal());
         // TODO: only compute credentials if data.signal.type === "offer"
-        if (TURN_STATIC_AUTH_SECRET !== '') {
-            const {username, password} = this.getTURNCredentials(''+user.id, TURN_STATIC_AUTH_SECRET);
+        if (TURN_STATIC_AUTH_SECRET !== "") {
+            const { username, password } = this.getTURNCredentials("" + user.id, TURN_STATIC_AUTH_SECRET);
             webrtcSignalToClient.setWebrtcusername(username);
             webrtcSignalToClient.setWebrtcpassword(password);
         }
@@ -233,11 +240,11 @@ export class SocketManager {
         serverToClientMessage.setWebrtcscreensharingsignaltoclientmessage(webrtcSignalToClient);
 
         //if (!client.disconnecting) {
-            remoteUser.socket.write(serverToClientMessage);
+        remoteUser.socket.write(serverToClientMessage);
         //}
     }
 
-    leaveRoom(room: GameRoom, user: User){
+    leaveRoom(room: GameRoom, user: User) {
         // leave previous room and world
         try {
             //user leave previous world
@@ -249,33 +256,39 @@ export class SocketManager {
             }
         } finally {
             clientEventsEmitter.emitClientLeave(user.uuid, room.roomId);
-            console.log('A user left');
+            console.log("A user left");
         }
     }
 
     async getOrCreateRoom(roomId: string): Promise<GameRoom> {
         //check and create new world for a room
-        let world = this.rooms.get(roomId)
-        if(world === undefined){
+        let world = this.rooms.get(roomId);
+        if (world === undefined) {
             world = new GameRoom(
                 roomId,
                 (user: User, group: Group) => this.joinWebRtcRoom(user, group),
                 (user: User, group: Group) => this.disConnectedUser(user, group),
                 MINIMUM_DISTANCE,
                 GROUP_RADIUS,
-                (thing: Movable, fromZone: Zone|null, listener: ZoneSocket) => this.onZoneEnter(thing, fromZone, listener),
-                (thing: Movable, position:PositionInterface, listener: ZoneSocket) => this.onClientMove(thing, position, listener),
-                (thing: Movable, newZone: Zone|null, listener: ZoneSocket) => this.onClientLeave(thing, newZone, listener),
-                (emoteEventMessage:EmoteEventMessage, listener: ZoneSocket) => this.onEmote(emoteEventMessage, listener),
+                (thing: Movable, fromZone: Zone | null, listener: ZoneSocket) =>
+                    this.onZoneEnter(thing, fromZone, listener),
+                (thing: Movable, position: PositionInterface, listener: ZoneSocket) =>
+                    this.onClientMove(thing, position, listener),
+                (thing: Movable, newZone: Zone | null, listener: ZoneSocket) =>
+                    this.onClientLeave(thing, newZone, listener),
+                (emoteEventMessage: EmoteEventMessage, listener: ZoneSocket) =>
+                    this.onEmote(emoteEventMessage, listener)
             );
             gaugeManager.incNbRoomGauge();
             this.rooms.set(roomId, world);
         }
-        return Promise.resolve(world)
+        return Promise.resolve(world);
     }
 
-    private async joinRoom(socket: UserSocket, joinRoomMessage: JoinRoomMessage): Promise<{ room: GameRoom; user: User }> {
-
+    private async joinRoom(
+        socket: UserSocket,
+        joinRoomMessage: JoinRoomMessage
+    ): Promise<{ room: GameRoom; user: User }> {
         const roomId = joinRoomMessage.getRoomid();
 
         const room = await socketManager.getOrCreateRoom(roomId);
@@ -284,15 +297,15 @@ export class SocketManager {
         const user = room.join(socket, joinRoomMessage);
 
         clientEventsEmitter.emitClientJoin(user.uuid, roomId);
-        console.log(new Date().toISOString() + ' A user joined');
-        return {room, user};
+        console.log(new Date().toISOString() + " A user joined");
+        return { room, user };
     }
 
-    private onZoneEnter(thing: Movable, fromZone: Zone|null, listener: ZoneSocket) {
+    private onZoneEnter(thing: Movable, fromZone: Zone | null, listener: ZoneSocket) {
         if (thing instanceof User) {
             const userJoinedZoneMessage = new UserJoinedZoneMessage();
             if (!Number.isInteger(thing.id)) {
-                throw new Error('clientUser.userId is not an integer '+thing.id);
+                throw new Error("clientUser.userId is not an integer " + thing.id);
             }
             userJoinedZoneMessage.setUserid(thing.id);
             userJoinedZoneMessage.setName(thing.name);
@@ -312,11 +325,11 @@ export class SocketManager {
         } else if (thing instanceof Group) {
             this.emitCreateUpdateGroupEvent(listener, fromZone, thing);
         } else {
-            console.error('Unexpected type for Movable.');
+            console.error("Unexpected type for Movable.");
         }
     }
 
-    private onClientMove(thing: Movable, position:PositionInterface, listener: ZoneSocket): void {
+    private onClientMove(thing: Movable, position: PositionInterface, listener: ZoneSocket): void {
         if (thing instanceof User) {
             const userMovedMessage = new UserMovedMessage();
             userMovedMessage.setUserid(thing.id);
@@ -331,21 +344,20 @@ export class SocketManager {
         } else if (thing instanceof Group) {
             this.emitCreateUpdateGroupEvent(listener, null, thing);
         } else {
-            console.error('Unexpected type for Movable.');
+            console.error("Unexpected type for Movable.");
         }
     }
 
-    private onClientLeave(thing: Movable, newZone: Zone|null, listener: ZoneSocket) {
+    private onClientLeave(thing: Movable, newZone: Zone | null, listener: ZoneSocket) {
         if (thing instanceof User) {
             this.emitUserLeftEvent(listener, thing.id, newZone);
         } else if (thing instanceof Group) {
             this.emitDeleteGroupEvent(listener, thing.getId(), newZone);
         } else {
-            console.error('Unexpected type for Movable.');
+            console.error("Unexpected type for Movable.");
         }
     }
 
-
     private onEmote(emoteEventMessage: EmoteEventMessage, client: ZoneSocket) {
         const subMessage = new SubToPusherMessage();
         subMessage.setEmoteeventmessage(emoteEventMessage);
@@ -353,7 +365,7 @@ export class SocketManager {
         emitZoneMessage(subMessage, client);
     }
 
-    private emitCreateUpdateGroupEvent(client: ZoneSocket, fromZone: Zone|null, group: Group): void {
+    private emitCreateUpdateGroupEvent(client: ZoneSocket, fromZone: Zone | null, group: Group): void {
         const position = group.getPosition();
         const pointMessage = new PointMessage();
         pointMessage.setX(Math.floor(position.x));
@@ -371,7 +383,7 @@ export class SocketManager {
         //client.emitInBatch(subMessage);
     }
 
-    private emitDeleteGroupEvent(client: ZoneSocket, groupId: number, newZone: Zone|null): void {
+    private emitDeleteGroupEvent(client: ZoneSocket, groupId: number, newZone: Zone | null): void {
         const groupDeleteMessage = new GroupLeftZoneMessage();
         groupDeleteMessage.setGroupid(groupId);
         groupDeleteMessage.setTozone(this.toProtoZone(newZone));
@@ -383,7 +395,7 @@ export class SocketManager {
         //user.emitInBatch(subMessage);
     }
 
-    private emitUserLeftEvent(client: ZoneSocket, userId: number, newZone: Zone|null): void {
+    private emitUserLeftEvent(client: ZoneSocket, userId: number, newZone: Zone | null): void {
         const userLeftMessage = new UserLeftZoneMessage();
         userLeftMessage.setUserid(userId);
         userLeftMessage.setTozone(this.toProtoZone(newZone));
@@ -394,7 +406,7 @@ export class SocketManager {
         emitZoneMessage(subMessage, client);
     }
 
-    private toProtoZone(zone: Zone|null): ProtoZone|undefined {
+    private toProtoZone(zone: Zone | null): ProtoZone | undefined {
         if (zone !== null) {
             const zoneMessage = new ProtoZone();
             zoneMessage.setX(zone.x);
@@ -405,7 +417,6 @@ export class SocketManager {
     }
 
     private joinWebRtcRoom(user: User, group: Group) {
-
         for (const otherUser of group.getUsers()) {
             if (user === otherUser) {
                 continue;
@@ -416,8 +427,8 @@ export class SocketManager {
             webrtcStartMessage1.setUserid(otherUser.id);
             webrtcStartMessage1.setName(otherUser.name);
             webrtcStartMessage1.setInitiator(true);
-            if (TURN_STATIC_AUTH_SECRET !== '') {
-                const {username, password} = this.getTURNCredentials(''+otherUser.id, TURN_STATIC_AUTH_SECRET);
+            if (TURN_STATIC_AUTH_SECRET !== "") {
+                const { username, password } = this.getTURNCredentials("" + otherUser.id, TURN_STATIC_AUTH_SECRET);
                 webrtcStartMessage1.setWebrtcusername(username);
                 webrtcStartMessage1.setWebrtcpassword(password);
             }
@@ -426,16 +437,16 @@ export class SocketManager {
             serverToClientMessage1.setWebrtcstartmessage(webrtcStartMessage1);
 
             //if (!user.socket.disconnecting) {
-                user.socket.write(serverToClientMessage1);
-                //console.log('Sending webrtcstart initiator to '+user.socket.userId)
+            user.socket.write(serverToClientMessage1);
+            //console.log('Sending webrtcstart initiator to '+user.socket.userId)
             //}
 
             const webrtcStartMessage2 = new WebRtcStartMessage();
             webrtcStartMessage2.setUserid(user.id);
             webrtcStartMessage2.setName(user.name);
             webrtcStartMessage2.setInitiator(false);
-            if (TURN_STATIC_AUTH_SECRET !== '') {
-                const {username, password} = this.getTURNCredentials(''+user.id, TURN_STATIC_AUTH_SECRET);
+            if (TURN_STATIC_AUTH_SECRET !== "") {
+                const { username, password } = this.getTURNCredentials("" + user.id, TURN_STATIC_AUTH_SECRET);
                 webrtcStartMessage2.setWebrtcusername(username);
                 webrtcStartMessage2.setWebrtcpassword(password);
             }
@@ -444,10 +455,9 @@ export class SocketManager {
             serverToClientMessage2.setWebrtcstartmessage(webrtcStartMessage2);
 
             //if (!otherUser.socket.disconnecting) {
-                otherUser.socket.write(serverToClientMessage2);
-                //console.log('Sending webrtcstart to '+otherUser.socket.userId)
+            otherUser.socket.write(serverToClientMessage2);
+            //console.log('Sending webrtcstart to '+otherUser.socket.userId)
             //}
-
         }
     }
 
@@ -456,17 +466,17 @@ export class SocketManager {
      * and the Coturn server.
      * The Coturn server should be initialized with parameters: `--use-auth-secret --static-auth-secret=MySecretKey`
      */
-    private getTURNCredentials(name: string, secret: string): {username: string, password: string} {
-        const unixTimeStamp = Math.floor(Date.now()/1000) + 4*3600;   // this credential would be valid for the next 4 hours
-        const username = [unixTimeStamp, name].join(':');
-        const hmac = crypto.createHmac('sha1', secret);
-        hmac.setEncoding('base64');
+    private getTURNCredentials(name: string, secret: string): { username: string; password: string } {
+        const unixTimeStamp = Math.floor(Date.now() / 1000) + 4 * 3600; // this credential would be valid for the next 4 hours
+        const username = [unixTimeStamp, name].join(":");
+        const hmac = crypto.createHmac("sha1", secret);
+        hmac.setEncoding("base64");
         hmac.write(username);
         hmac.end();
         const password = hmac.read();
         return {
             username: username,
-            password: password
+            password: password,
         };
     }
 
@@ -489,10 +499,9 @@ export class SocketManager {
             serverToClientMessage1.setWebrtcdisconnectmessage(webrtcDisconnectMessage1);
 
             //if (!otherUser.socket.disconnecting) {
-                otherUser.socket.write(serverToClientMessage1);
+            otherUser.socket.write(serverToClientMessage1);
             //}
 
-
             const webrtcDisconnectMessage2 = new WebRtcDisconnectMessage();
             webrtcDisconnectMessage2.setUserid(otherUser.id);
 
@@ -500,7 +509,7 @@ export class SocketManager {
             serverToClientMessage2.setWebrtcdisconnectmessage(webrtcDisconnectMessage2);
 
             //if (!user.socket.disconnecting) {
-                user.socket.write(serverToClientMessage2);
+            user.socket.write(serverToClientMessage2);
             //}
         }
     }
@@ -517,40 +526,41 @@ export class SocketManager {
             console.error('An error occurred on "emitPlayGlobalMessage" event');
             console.error(e);
         }
-
     }
 
     public getWorlds(): Map<string, GameRoom> {
         return this.rooms;
     }
 
-
     public handleQueryJitsiJwtMessage(user: User, queryJitsiJwtMessage: QueryJitsiJwtMessage) {
         const room = queryJitsiJwtMessage.getJitsiroom();
         const tag = queryJitsiJwtMessage.getTag(); // FIXME: this is not secure. We should load the JSON for the current room and check rights associated to room instead.
 
-        if (SECRET_JITSI_KEY === '') {
-            throw new Error('You must set the SECRET_JITSI_KEY key to the secret to generate JWT tokens for Jitsi.');
+        if (SECRET_JITSI_KEY === "") {
+            throw new Error("You must set the SECRET_JITSI_KEY key to the secret to generate JWT tokens for Jitsi.");
         }
 
         // Let's see if the current client has
         const isAdmin = user.tags.includes(tag);
 
-        const jwt = Jwt.sign({
-            "aud": "jitsi",
-            "iss": JITSI_ISS,
-            "sub": JITSI_URL,
-            "room": room,
-            "moderator": isAdmin
-        }, SECRET_JITSI_KEY, {
-            expiresIn: '1d',
-            algorithm: "HS256",
-            header:
-                {
-                    "alg": "HS256",
-                    "typ": "JWT"
-                }
-        });
+        const jwt = Jwt.sign(
+            {
+                aud: "jitsi",
+                iss: JITSI_ISS,
+                sub: JITSI_URL,
+                room: room,
+                moderator: isAdmin,
+            },
+            SECRET_JITSI_KEY,
+            {
+                expiresIn: "1d",
+                algorithm: "HS256",
+                header: {
+                    alg: "HS256",
+                    typ: "JWT",
+                },
+            }
+        );
 
         const sendJitsiJwtMessage = new SendJitsiJwtMessage();
         sendJitsiJwtMessage.setJitsiroom(room);
@@ -562,7 +572,7 @@ export class SocketManager {
         user.socket.write(serverToClientMessage);
     }
 
-    public handlerSendUserMessage(user: User, sendUserMessageToSend: SendUserMessage){
+    public handlerSendUserMessage(user: User, sendUserMessageToSend: SendUserMessage) {
         const sendUserMessage = new SendUserMessage();
         sendUserMessage.setMessage(sendUserMessageToSend.getMessage());
         sendUserMessage.setType(sendUserMessageToSend.getType());
@@ -572,7 +582,7 @@ export class SocketManager {
         user.socket.write(serverToClientMessage);
     }
 
-    public handlerBanUserMessage(room: GameRoom, user: User, banUserMessageToSend: BanUserMessage){
+    public handlerBanUserMessage(room: GameRoom, user: User, banUserMessageToSend: BanUserMessage) {
         const banUserMessage = new BanUserMessage();
         banUserMessage.setMessage(banUserMessageToSend.getMessage());
         banUserMessage.setType(banUserMessageToSend.getType());
@@ -592,7 +602,7 @@ export class SocketManager {
     public addZoneListener(call: ZoneSocket, roomId: string, x: number, y: number): void {
         const room = this.rooms.get(roomId);
         if (!room) {
-            console.error("In addZoneListener, could not find room with id '" +  roomId + "'");
+            console.error("In addZoneListener, could not find room with id '" + roomId + "'");
             return;
         }
 
@@ -636,7 +646,7 @@ export class SocketManager {
     removeZoneListener(call: ZoneSocket, roomId: string, x: number, y: number) {
         const room = this.rooms.get(roomId);
         if (!room) {
-            console.error("In removeZoneListener, could not find room with id '" +  roomId + "'");
+            console.error("In removeZoneListener, could not find room with id '" + roomId + "'");
             return;
         }
 
@@ -651,7 +661,7 @@ export class SocketManager {
         return room;
     }
 
-    public leaveAdminRoom(room: GameRoom, admin: Admin){
+    public leaveAdminRoom(room: GameRoom, admin: Admin) {
         room.adminLeave(admin);
         if (room.isEmpty()) {
             this.rooms.delete(room.roomId);
@@ -663,19 +673,27 @@ export class SocketManager {
     public sendAdminMessage(roomId: string, recipientUuid: string, message: string): void {
         const room = this.rooms.get(roomId);
         if (!room) {
-            console.error("In sendAdminMessage, could not find room with id '" + roomId + "'. Maybe the room was closed a few milliseconds ago and there was a race condition?");
+            console.error(
+                "In sendAdminMessage, could not find room with id '" +
+                    roomId +
+                    "'. Maybe the room was closed a few milliseconds ago and there was a race condition?"
+            );
             return;
         }
 
         const recipient = room.getUserByUuid(recipientUuid);
         if (recipient === undefined) {
-            console.error("In sendAdminMessage, could not find user with id '" + recipientUuid + "'. Maybe the user left the room a few milliseconds ago and there was a race condition?");
+            console.error(
+                "In sendAdminMessage, could not find user with id '" +
+                    recipientUuid +
+                    "'. Maybe the user left the room a few milliseconds ago and there was a race condition?"
+            );
             return;
         }
 
         const sendUserMessage = new SendUserMessage();
         sendUserMessage.setMessage(message);
-        sendUserMessage.setType('ban'); //todo: is the type correct?
+        sendUserMessage.setType("ban"); //todo: is the type correct?
 
         const serverToClientMessage = new ServerToClientMessage();
         serverToClientMessage.setSendusermessage(sendUserMessage);
@@ -686,13 +704,21 @@ export class SocketManager {
     public banUser(roomId: string, recipientUuid: string, message: string): void {
         const room = this.rooms.get(roomId);
         if (!room) {
-            console.error("In banUser, could not find room with id '" +  roomId + "'. Maybe the room was closed a few milliseconds ago and there was a race condition?");
+            console.error(
+                "In banUser, could not find room with id '" +
+                    roomId +
+                    "'. Maybe the room was closed a few milliseconds ago and there was a race condition?"
+            );
             return;
         }
 
         const recipient = room.getUserByUuid(recipientUuid);
         if (recipient === undefined) {
-            console.error("In banUser, could not find user with id '" + recipientUuid + "'. Maybe the user left the room a few milliseconds ago and there was a race condition?");
+            console.error(
+                "In banUser, could not find user with id '" +
+                    recipientUuid +
+                    "'. Maybe the user left the room a few milliseconds ago and there was a race condition?"
+            );
             return;
         }
 
@@ -701,7 +727,7 @@ export class SocketManager {
 
         const banUserMessage = new BanUserMessage();
         banUserMessage.setMessage(message);
-        banUserMessage.setType('banned');
+        banUserMessage.setType("banned");
 
         const serverToClientMessage = new ServerToClientMessage();
         serverToClientMessage.setBanusermessage(banUserMessage);
@@ -711,19 +737,22 @@ export class SocketManager {
         recipient.socket.end();
     }
 
-
     sendAdminRoomMessage(roomId: string, message: string) {
         const room = this.rooms.get(roomId);
         if (!room) {
             //todo: this should cause the http call to return a 500
-            console.error("In sendAdminRoomMessage, could not find room with id '" +  roomId + "'. Maybe the room was closed a few milliseconds ago and there was a race condition?");
+            console.error(
+                "In sendAdminRoomMessage, could not find room with id '" +
+                    roomId +
+                    "'. Maybe the room was closed a few milliseconds ago and there was a race condition?"
+            );
             return;
         }
 
         room.getUsers().forEach((recipient) => {
             const sendUserMessage = new SendUserMessage();
             sendUserMessage.setMessage(message);
-            sendUserMessage.setType('message');
+            sendUserMessage.setType("message");
 
             const clientMessage = new ServerToClientMessage();
             clientMessage.setSendusermessage(sendUserMessage);
@@ -732,11 +761,15 @@ export class SocketManager {
         });
     }
 
-    dispatchWorlFullWarning(roomId: string,): void {
+    dispatchWorlFullWarning(roomId: string): void {
         const room = this.rooms.get(roomId);
         if (!room) {
             //todo: this should cause the http call to return a 500
-            console.error("In sendAdminRoomMessage, could not find room with id '" +  roomId + "'. Maybe the room was closed a few milliseconds ago and there was a race condition?");
+            console.error(
+                "In sendAdminRoomMessage, could not find room with id '" +
+                    roomId +
+                    "'. Maybe the room was closed a few milliseconds ago and there was a race condition?"
+            );
             return;
         }
 
@@ -750,7 +783,7 @@ export class SocketManager {
         });
     }
 
-    dispatchRoomRefresh(roomId: string,): void {
+    dispatchRoomRefresh(roomId: string): void {
         const room = this.rooms.get(roomId);
         if (!room) {
             return;
@@ -759,8 +792,8 @@ export class SocketManager {
         const versionNumber = room.incrementVersion();
         room.getUsers().forEach((recipient) => {
             const worldFullMessage = new RefreshRoomMessage();
-            worldFullMessage.setRoomid(roomId)
-            worldFullMessage.setVersionnumber(versionNumber)
+            worldFullMessage.setRoomid(roomId);
+            worldFullMessage.setVersionnumber(versionNumber);
 
             const clientMessage = new ServerToClientMessage();
             clientMessage.setRefreshroommessage(worldFullMessage);

docs/maps/api-nav.md

@@ -52,11 +52,11 @@ WA.nav.goToRoom("/_/global/<path to global map>.json#start-layer-2")
 ### Opening/closing a web page in an iFrame
 
 ```
-WA.nav.openCoWebSite(url: string): void
+WA.nav.openCoWebSite(url: string, allowApi: boolean = false, allowPolicy: string = ""): void
 WA.nav.closeCoWebSite(): void
 ```
 
-Opens the webpage at "url" in an iFrame (on the right side of the screen) or close that iFrame.
+Opens the webpage at "url" in an iFrame (on the right side of the screen) or close that iFrame. `allowApi` allows the webpage to use the "IFrame API" and execute script (it is equivalent to putting the `openWebsiteAllowApi` property in the map). `allowPolicy` grants additional access rights to the iFrame. The `allowPolicy` parameter is turned into an [`allow` feature policy in the iFrame](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe#attr-allow).
 
 Example:
 
@@ -65,4 +65,3 @@ WA.nav.openCoWebSite('https://www.wikipedia.org/');
 // ...
 WA.nav.closeCoWebSite();
 ```
-

docs/maps/api-room.md

@@ -81,7 +81,7 @@ WA.room.getCurrentRoom(): Promise<Room>
 ```
 Return a promise that resolves to a `Room` object with the following attributes :
 * **id (string) :** ID of the current room
-* **map (ITiledMap) :** contains the JSON map file with the properties that were setted by the script if `setProperty` was called.
+* **map (ITiledMap) :** contains the JSON map file with the properties that were set by the script if `setProperty` was called.
 * **mapUrl (string) :** Url of the JSON map file
 * **startLayer (string | null) :** Name of the layer where the current user started, only if different from `start` layer
 
@@ -112,3 +112,35 @@ WA.room.getCurrentUser().then((user) => {
     }
 })
 ```
+
+### Changing tiles 
+```
+WA.room.setTiles(tiles: TileDescriptor[]): void
+```
+Replace the tile at the `x` and `y` coordinates in the layer named `layer` by the tile with the id `tile`.
+
+If `tile` is a string, it's not the id of the tile but the value of the property `name`.
+<div class="row">
+    <div class="col">
+        <img src="https://workadventu.re/img/docs/nameIndexProperty.png" class="figure-img img-fluid rounded" alt="" />
+    </div>
+</div>
+
+`TileDescriptor` has the following attributes : 
+* **x (number) :** The coordinate x of the tile that you want to replace.
+* **y (number) :** The coordinate y of the tile that you want to replace.
+* **tile (number | string) :** The id of the tile that will be placed in the map.
+* **layer (string) :** The name of the layer where the tile will be placed.
+
+**Important !** : If you use `tile` as a number, be sure to add the `firstgid` of the tileset of the tile that you want to the id of the tile in Tiled Editor.
+
+
+Example : 
+```javascript
+WA.room.setTiles([
+                {x: 6, y: 4, tile: 'blue', layer: 'setTiles'},
+                {x: 7, y: 4, tile: 109, layer: 'setTiles'},
+                {x: 8, y: 4, tile: 109, layer: 'setTiles'},
+                {x: 9, y: 4, tile: 'blue', layer: 'setTiles'}
+                ]);
+```

front/package.json

@@ -60,12 +60,13 @@
     "templater": "cross-env ./templater.sh",
     "serve": "cross-env TS_NODE_PROJECT=\"tsconfig-for-webpack.json\" webpack serve --open",
     "build": "cross-env TS_NODE_PROJECT=\"tsconfig-for-webpack.json\" NODE_ENV=production webpack",
-    "test": "TS_NODE_PROJECT=\"tsconfig-for-jasmine.json\" ts-node node_modules/jasmine/bin/jasmine --config=jasmine.json",
+    "build-typings": "cross-env TS_NODE_PROJECT=\"tsconfig-for-webpack.json\" NODE_ENV=production BUILD_TYPINGS=1 webpack",
+    "test": "cross-env TS_NODE_PROJECT=\"tsconfig-for-jasmine.json\" ts-node node_modules/jasmine/bin/jasmine --config=jasmine.json",
     "lint": "node_modules/.bin/eslint src/ . --ext .ts",
     "fix": "node_modules/.bin/eslint --fix src/ . --ext .ts",
     "precommit": "lint-staged",
-    "svelte-check-watch": "svelte-check --fail-on-warnings --fail-on-hints --compiler-warnings \"a11y-no-onchange:ignore,a11y-autofocus:ignore\" --watch",
-    "svelte-check": "svelte-check --fail-on-warnings --fail-on-hints --compiler-warnings \"a11y-no-onchange:ignore,a11y-autofocus:ignore\"",
+    "svelte-check-watch": "svelte-check --fail-on-warnings --fail-on-hints --compiler-warnings \"a11y-no-onchange:ignore,a11y-autofocus:ignore,a11y-media-has-caption:ignore\" --watch",
+    "svelte-check": "svelte-check --fail-on-warnings --fail-on-hints --compiler-warnings \"a11y-no-onchange:ignore,a11y-autofocus:ignore,a11y-media-has-caption:ignore\"",
     "pretty": "yarn prettier --write 'src/**/*.{ts,tsx}'",
     "pretty-check": "yarn prettier --check 'src/**/*.{ts,tsx}'"
   },

front/src/Api/Events/DataLayerEvent.ts

@@ -1,11 +1,10 @@
 import * as tg from "generic-type-guard";
 
-
-
-export const isDataLayerEvent =
-    new tg.IsInterface().withProperties({
-        data: tg.isObject
-    }).get();
+export const isDataLayerEvent = new tg.IsInterface()
+    .withProperties({
+        data: tg.isObject,
+    })
+    .get();
 
 /**
  * A message sent from the game to the iFrame when the data of the layers change after the iFrame send a message to the game that it want to listen to the data of the layers

front/src/Api/Events/GameStateEvent.ts

@@ -1,14 +1,15 @@
 import * as tg from "generic-type-guard";
 
-export const isGameStateEvent =
-    new tg.IsInterface().withProperties({
-            roomId: tg.isString,
-            mapUrl: tg.isString,
-            nickname: tg.isUnion(tg.isString, tg.isNull),
-            uuid: tg.isUnion(tg.isString, tg.isUndefined),
-            startLayerName: tg.isUnion(tg.isString, tg.isNull),
-            tags : tg.isArray(tg.isString),
-    }).get();
+export const isGameStateEvent = new tg.IsInterface()
+    .withProperties({
+        roomId: tg.isString,
+        mapUrl: tg.isString,
+        nickname: tg.isUnion(tg.isString, tg.isNull),
+        uuid: tg.isUnion(tg.isString, tg.isUndefined),
+        startLayerName: tg.isUnion(tg.isString, tg.isNull),
+        tags: tg.isArray(tg.isString),
+    })
+    .get();
 /**
  * A message sent from the game to the iFrame when the gameState is received by the script
  */

front/src/Api/Events/HasPlayerMovedEvent.ts

@@ -1,19 +1,17 @@
 import * as tg from "generic-type-guard";
 
-
-
-export const isHasPlayerMovedEvent =
-    new tg.IsInterface().withProperties({
-        direction: tg.isElementOf('right', 'left', 'up', 'down'),
+export const isHasPlayerMovedEvent = new tg.IsInterface()
+    .withProperties({
+        direction: tg.isElementOf("right", "left", "up", "down"),
         moving: tg.isBoolean,
         x: tg.isNumber,
-        y: tg.isNumber
-    }).get();
+        y: tg.isNumber,
+    })
+    .get();
 
 /**
  * A message sent from the game to the iFrame to notify a movement from the current player.
  */
 export type HasPlayerMovedEvent = tg.GuardedType<typeof isHasPlayerMovedEvent>;
 
-
-export type HasPlayerMovedEventCallback = (event: HasPlayerMovedEvent) => void
+export type HasPlayerMovedEventCallback = (event: HasPlayerMovedEvent) => void;

front/src/Api/Events/IframeEvent.ts

@@ -1,78 +1,83 @@
-
-import type { GameStateEvent } from './GameStateEvent';
-import type { ButtonClickedEvent } from './ButtonClickedEvent';
-import type { ChatEvent } from './ChatEvent';
-import type { ClosePopupEvent } from './ClosePopupEvent';
-import type { EnterLeaveEvent } from './EnterLeaveEvent';
-import type { GoToPageEvent } from './GoToPageEvent';
-import type { LoadPageEvent } from './LoadPageEvent';
-import type { OpenCoWebSiteEvent } from './OpenCoWebSiteEvent';
-import type { OpenPopupEvent } from './OpenPopupEvent';
-import type { OpenTabEvent } from './OpenTabEvent';
-import type { UserInputChatEvent } from './UserInputChatEvent';
+import type { GameStateEvent } from "./GameStateEvent";
+import type { ButtonClickedEvent } from "./ButtonClickedEvent";
+import type { ChatEvent } from "./ChatEvent";
+import type { ClosePopupEvent } from "./ClosePopupEvent";
+import type { EnterLeaveEvent } from "./EnterLeaveEvent";
+import type { GoToPageEvent } from "./GoToPageEvent";
+import type { LoadPageEvent } from "./LoadPageEvent";
+import type { OpenCoWebSiteEvent } from "./OpenCoWebSiteEvent";
+import type { OpenPopupEvent } from "./OpenPopupEvent";
+import type { OpenTabEvent } from "./OpenTabEvent";
+import type { UserInputChatEvent } from "./UserInputChatEvent";
 import type { DataLayerEvent } from "./DataLayerEvent";
-import type { LayerEvent } from './LayerEvent';
+import type { LayerEvent } from "./LayerEvent";
 import type { SetPropertyEvent } from "./setPropertyEvent";
 import type { LoadSoundEvent } from "./LoadSoundEvent";
 import type { PlaySoundEvent } from "./PlaySoundEvent";
 import type { MenuItemClickedEvent } from "./ui/MenuItemClickedEvent";
-import type { MenuItemRegisterEvent } from './ui/MenuItemRegisterEvent';
+import type { MenuItemRegisterEvent } from "./ui/MenuItemRegisterEvent";
 import type { HasPlayerMovedEvent } from "./HasPlayerMovedEvent";
-import type { MessageReferenceEvent, TriggerMessageEvent } from '../iframe/TriggerMessageEvent';
-
+import type { SetTilesEvent } from "./SetTilesEvent";
+import type {
+    MessageReferenceEvent,
+    removeTriggerMessage,
+    triggerMessage,
+    TriggerMessageEvent,
+} from "./ui/TriggerMessageEvent";
 
 export interface TypedMessageEvent<T> extends MessageEvent {
-    data: T
+    data: T;
 }
 
+/**
+ * List event types sent from an iFrame to WorkAdventure
+ */
 export type IframeEventMap = {
-    //getState: GameStateEvent,
-    // updateTile: UpdateTileEvent
-    loadPage: LoadPageEvent
-    chat: ChatEvent,
-    openPopup: OpenPopupEvent
-    closePopup: ClosePopupEvent
-    openTab: OpenTabEvent
-    goToPage: GoToPageEvent
-    openCoWebSite: OpenCoWebSiteEvent
-    closeCoWebSite: null
-    disablePlayerControls: null
-    restorePlayerControls: null
-    displayBubble: null
-    removeBubble: null
-    onPlayerMove: undefined
-    showLayer: LayerEvent
-    hideLayer: LayerEvent
-    setProperty: SetPropertyEvent
-    getDataLayer: undefined
-    loadSound: LoadSoundEvent
-    playSound: PlaySoundEvent
-    stopSound: null,
-    getState: undefined,
-    registerMenuCommand: MenuItemRegisterEvent
+    loadPage: LoadPageEvent;
+    chat: ChatEvent;
+    openPopup: OpenPopupEvent;
+    closePopup: ClosePopupEvent;
+    openTab: OpenTabEvent;
+    goToPage: GoToPageEvent;
+    openCoWebSite: OpenCoWebSiteEvent;
+    closeCoWebSite: null;
+    disablePlayerControls: null;
+    restorePlayerControls: null;
+    displayBubble: null;
+    removeBubble: null;
+    onPlayerMove: undefined;
+    showLayer: LayerEvent;
+    hideLayer: LayerEvent;
+    setProperty: SetPropertyEvent;
+    getDataLayer: undefined;
+    loadSound: LoadSoundEvent;
+    playSound: PlaySoundEvent;
+    stopSound: null;
+    getState: undefined;
+    registerMenuCommand: MenuItemRegisterEvent;
+    setTiles: SetTilesEvent;
 
-    triggerMessage: TriggerMessageEvent
-    removeTriggerMessage: MessageReferenceEvent
-}
+    triggerMessage: TriggerMessageEvent;
+    removeTriggerMessage: MessageReferenceEvent;
+};
 export interface IframeEvent<T extends keyof IframeEventMap> {
     type: T;
     data: IframeEventMap[T];
 }
 
-
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-export const isIframeEventWrapper = (event: any): event is IframeEvent<keyof IframeEventMap> => typeof event.type === 'string';
+export const isIframeEventWrapper = (event: any): event is IframeEvent<keyof IframeEventMap> =>
+    typeof event.type === "string";
 
 export interface IframeResponseEventMap {
-    userInputChat: UserInputChatEvent
-    enterEvent: EnterLeaveEvent
-    leaveEvent: EnterLeaveEvent
-    buttonClickedEvent: ButtonClickedEvent
-    gameState: GameStateEvent
-    hasPlayerMoved: HasPlayerMovedEvent
-    dataLayer: DataLayerEvent
-    menuItemClicked: MenuItemClickedEvent
-    messageTriggered: MessageReferenceEvent
+    userInputChat: UserInputChatEvent;
+    enterEvent: EnterLeaveEvent;
+    leaveEvent: EnterLeaveEvent;
+    buttonClickedEvent: ButtonClickedEvent;
+    hasPlayerMoved: HasPlayerMovedEvent;
+    dataLayer: DataLayerEvent;
+    menuItemClicked: MenuItemClickedEvent;
+    messageTriggered: MessageReferenceEvent;
 }
 export interface IframeResponseEvent<T extends keyof IframeResponseEventMap> {
     type: T;
@@ -80,4 +85,67 @@ export interface IframeResponseEvent<T extends keyof IframeResponseEventMap> {
 }
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-export const isIframeResponseEventWrapper = (event: { type?: string }): event is IframeResponseEvent<keyof IframeResponseEventMap> => typeof event.type === 'string';
+export const isIframeResponseEventWrapper = (event: {
+    type?: string;
+}): event is IframeResponseEvent<keyof IframeResponseEventMap> => typeof event.type === "string";
+
+/**
+ * List event types sent from an iFrame to WorkAdventure that expect a unique answer from WorkAdventure along the type for the answer from WorkAdventure to the iFrame
+ */
+export type IframeQueryMap = {
+    getState: {
+        query: undefined;
+        answer: GameStateEvent;
+    };
+
+    [triggerMessage]: {
+        query: TriggerMessageEvent;
+        answer: void;
+    };
+
+    [removeTriggerMessage]: {
+        query: MessageReferenceEvent;
+        answer: void;
+    };
+};
+
+export interface IframeQuery<T extends keyof IframeQueryMap> {
+    type: T;
+    data: IframeQueryMap[T]["query"];
+}
+
+export interface IframeQueryWrapper<T extends keyof IframeQueryMap> {
+    id: number;
+    query: IframeQuery<T>;
+}
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export const isIframeQuery = (event: any): event is IframeQuery<keyof IframeQueryMap> => typeof event.type === "string";
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export const isIframeQueryWrapper = (event: any): event is IframeQueryWrapper<keyof IframeQueryMap> =>
+    typeof event.id === "number" && isIframeQuery(event.query);
+
+export interface IframeAnswerEvent<T extends keyof IframeQueryMap> {
+    id: number;
+    type: T;
+    data: IframeQueryMap[T]["answer"];
+}
+
+export const isIframeAnswerEvent = (event: {
+    type?: string;
+    id?: number;
+}): event is IframeAnswerEvent<keyof IframeQueryMap> => typeof event.type === "string" && typeof event.id === "number";
+
+export interface IframeErrorAnswerEvent {
+    id: number;
+    type: keyof IframeQueryMap;
+    error: string;
+}
+
+export const isIframeErrorAnswerEvent = (event: {
+    type?: string;
+    id?: number;
+    error?: string;
+}): event is IframeErrorAnswerEvent =>
+    typeof event.type === "string" && typeof event.id === "number" && typeof event.error === "string";

front/src/Api/Events/LayerEvent.ts

@@ -1,9 +1,10 @@
 import * as tg from "generic-type-guard";
 
-export const isLayerEvent =
-    new tg.IsInterface().withProperties({
+export const isLayerEvent = new tg.IsInterface()
+    .withProperties({
         name: tg.isString,
-    }).get();
+    })
+    .get();
 /**
  * A message sent from the iFrame to the game to show/hide a layer.
  */

front/src/Api/Events/LoadPageEvent.ts

@@ -1,11 +1,10 @@
 import * as tg from "generic-type-guard";
 
-
-
-export const isLoadPageEvent =
-    new tg.IsInterface().withProperties({
+export const isLoadPageEvent = new tg.IsInterface()
+    .withProperties({
         url: tg.isString,
-    }).get();
+    })
+    .get();
 
 /**
  * A message sent from the iFrame to the game to add a message in the chat.

front/src/Api/Events/OpenCoWebSiteEvent.ts

@@ -1,11 +1,12 @@
 import * as tg from "generic-type-guard";
 
-
-
-export const isOpenCoWebsite =
-    new tg.IsInterface().withProperties({
+export const isOpenCoWebsite = new tg.IsInterface()
+    .withProperties({
         url: tg.isString,
-    }).get();
+        allowApi: tg.isBoolean,
+        allowPolicy: tg.isString,
+    })
+    .get();
 
 /**
  * A message sent from the iFrame to the game to add a message in the chat.

front/src/Api/Events/SetTilesEvent.ts

@@ -0,0 +1,16 @@
+import * as tg from "generic-type-guard";
+
+export const isSetTilesEvent = tg.isArray(
+    new tg.IsInterface()
+        .withProperties({
+            x: tg.isNumber,
+            y: tg.isNumber,
+            tile: tg.isUnion(tg.isNumber, tg.isString),
+            layer: tg.isString,
+        })
+        .get()
+);
+/**
+ * A message sent from the iFrame to the game to set one or many tiles.
+ */
+export type SetTilesEvent = tg.GuardedType<typeof isSetTilesEvent>;

front/src/Api/Events/setPropertyEvent.ts

@@ -1,11 +1,12 @@
 import * as tg from "generic-type-guard";
 
-export const isSetPropertyEvent =
-    new tg.IsInterface().withProperties({
+export const isSetPropertyEvent = new tg.IsInterface()
+    .withProperties({
         layerName: tg.isString,
         propertyName: tg.isString,
-        propertyValue: tg.isUnion(tg.isString, tg.isUnion(tg.isNumber, tg.isUnion(tg.isBoolean, tg.isUndefined)))
-    }).get();
+        propertyValue: tg.isUnion(tg.isString, tg.isUnion(tg.isNumber, tg.isUnion(tg.isBoolean, tg.isUndefined))),
+    })
+    .get();
 /**
  * A message sent from the iFrame to the game to change the value of the property of the layer
  */

front/src/Api/Events/ui/MenuItemClickedEvent.ts

@@ -1,12 +1,11 @@
 import * as tg from "generic-type-guard";
 
-export const isMenuItemClickedEvent =
-    new tg.IsInterface().withProperties({
-        menuItem: tg.isString
-    }).get();
+export const isMenuItemClickedEvent = new tg.IsInterface()
+    .withProperties({
+        menuItem: tg.isString,
+    })
+    .get();
 /**
  * A message sent from the game to the iFrame when a menu item is clicked.
  */
 export type MenuItemClickedEvent = tg.GuardedType<typeof isMenuItemClickedEvent>;
-
-

front/src/Api/Events/ui/MenuItemRegisterEvent.ts

@@ -1,25 +1,26 @@
 import * as tg from "generic-type-guard";
-import { Subject } from 'rxjs';
+import { Subject } from "rxjs";
 
-export const isMenuItemRegisterEvent =
-    new tg.IsInterface().withProperties({
-        menutItem: tg.isString
-    }).get();
+export const isMenuItemRegisterEvent = new tg.IsInterface()
+    .withProperties({
+        menutItem: tg.isString,
+    })
+    .get();
 /**
  * A message sent from the iFrame to the game to add a new menu item.
  */
 export type MenuItemRegisterEvent = tg.GuardedType<typeof isMenuItemRegisterEvent>;
 
-export const isMenuItemRegisterIframeEvent =
-    new tg.IsInterface().withProperties({
+export const isMenuItemRegisterIframeEvent = new tg.IsInterface()
+    .withProperties({
         type: tg.isSingletonString("registerMenuCommand"),
-        data: isMenuItemRegisterEvent
-    }).get();
-
+        data: isMenuItemRegisterEvent,
+    })
+    .get();
 
 const _registerMenuCommandStream: Subject<string> = new Subject();
 export const registerMenuCommandStream = _registerMenuCommandStream.asObservable();
 
 export function handleMenuItemRegistrationEvent(event: MenuItemRegisterEvent) {
-    _registerMenuCommandStream.next(event.menutItem)
+    _registerMenuCommandStream.next(event.menutItem);
 }

front/src/Api/Events/ui/TriggerMessageEventHandler.ts

@@ -1,42 +1,35 @@
-import { Subject } from 'rxjs';
-import { iframeListener } from '../../IframeListener';
-import { isMessageReferenceEvent, isTriggerMessageEvent, MessageReferenceEvent, removeTriggerMessage, triggerMessage, TriggerMessageEvent } from './TriggerMessageEvent';
+import { Subject } from "rxjs";
+import { iframeListener } from "../../IframeListener";
+import {
+    isMessageReferenceEvent,
+    isTriggerMessageEvent,
+    MessageReferenceEvent,
+    removeTriggerMessage,
+    triggerMessage,
+    TriggerMessageEvent,
+} from "./TriggerMessageEvent";
 import * as tg from "generic-type-guard";
 export function sendMessageTriggeredEvent(uuid: string) {
     iframeListener.postMessage({
-        'type': 'messageTriggered',
-        'data': {
+        type: "messageTriggered",
+        data: {
             uuid,
-        } as MessageReferenceEvent
+        } as MessageReferenceEvent,
     });
 }
 
-const _triggerMessageEvent: Subject<TriggerMessageEvent> = new Subject();
-const _removeTriggerMessageEvent: Subject<MessageReferenceEvent> = new Subject();
+const isTriggerMessageEventObject = new tg.IsInterface()
+    .withProperties({
+        type: tg.isSingletonString(triggerMessage),
+        data: isTriggerMessageEvent,
+    })
+    .get();
 
-export const triggerMessageEvent = _triggerMessageEvent.asObservable();
+const isTriggerMessageRemoveEventObject = new tg.IsInterface()
+    .withProperties({
+        type: tg.isSingletonString(removeTriggerMessage),
+        data: isMessageReferenceEvent,
+    })
+    .get();
 
-export const removeTriggerMessageEvent = _removeTriggerMessageEvent.asObservable();
-
-const isTriggerMessageEventObject = new tg.IsInterface().withProperties({
-    type: tg.isSingletonString(triggerMessage),
-    data: isTriggerMessageEvent
-}).get()
-const isTriggerMessageRemoveEventObject = new tg.IsInterface().withProperties({
-    type: tg.isSingletonString(removeTriggerMessage),
-    data: isMessageReferenceEvent
-}).get()
-
-
-export const isTriggerMessageHandlerEvent = tg.isUnion(isTriggerMessageEventObject, isTriggerMessageRemoveEventObject)
-
-
-
-
-export function triggerMessageEventHandler(event: tg.GuardedType<typeof isTriggerMessageHandlerEvent>) {
-    if (isTriggerMessageEventObject(event)) {
-        _triggerMessageEvent.next(event.data)
-    } else if (isTriggerMessageRemoveEventObject(event)) {
-        _removeTriggerMessageEvent.next(event.data)
-    }
-}
+export const isTriggerMessageHandlerEvent = tg.isUnion(isTriggerMessageEventObject, isTriggerMessageRemoveEventObject);

front/src/Api/IframeListener.ts

@@ -1,4 +1,5 @@
 import { Subject } from "rxjs";
+import type * as tg from "generic-type-guard";
 import { ChatEvent, isChatEvent } from "./Events/ChatEvent";
 import { HtmlUtils } from "../WebRtc/HtmlUtils";
 import type { EnterLeaveEvent } from "./Events/EnterLeaveEvent";
@@ -10,34 +11,40 @@ import { scriptUtils } from "./ScriptUtils";
 import { GoToPageEvent, isGoToPageEvent } from "./Events/GoToPageEvent";
 import { isOpenCoWebsite, OpenCoWebSiteEvent } from "./Events/OpenCoWebSiteEvent";
 import {
+    IframeErrorAnswerEvent,
     IframeEvent,
     IframeEventMap,
+    IframeQuery,
+    IframeQueryMap,
     IframeResponseEvent,
     IframeResponseEventMap,
     isIframeEventWrapper,
-    TypedMessageEvent
+    isIframeQueryWrapper,
+    TypedMessageEvent,
 } from "./Events/IframeEvent";
 import type { UserInputChatEvent } from "./Events/UserInputChatEvent";
-//import { isLoadPageEvent } from './Events/LoadPageEvent';
 import { isPlaySoundEvent, PlaySoundEvent } from "./Events/PlaySoundEvent";
 import { isStopSoundEvent, StopSoundEvent } from "./Events/StopSoundEvent";
 import { isLoadSoundEvent, LoadSoundEvent } from "./Events/LoadSoundEvent";
 import { isSetPropertyEvent, SetPropertyEvent } from "./Events/setPropertyEvent";
 import { isLayerEvent, LayerEvent } from "./Events/LayerEvent";
-import { isMenuItemRegisterEvent, } from "./Events/ui/MenuItemRegisterEvent";
+import { isMenuItemRegisterEvent } from "./Events/ui/MenuItemRegisterEvent";
 import type { DataLayerEvent } from "./Events/DataLayerEvent";
 import type { GameStateEvent } from "./Events/GameStateEvent";
 import type { HasPlayerMovedEvent } from "./Events/HasPlayerMovedEvent";
 import { isLoadPageEvent } from "./Events/LoadPageEvent";
 import { handleMenuItemRegistrationEvent, isMenuItemRegisterIframeEvent } from "./Events/ui/MenuItemRegisterEvent";
-import { isTriggerMessageHandlerEvent, triggerMessageEventHandler } from './Events/ui/TriggerMessageEventHandler';
+import { SetTilesEvent, isSetTilesEvent } from "./Events/SetTilesEvent";
+
+type AnswererCallback<T extends keyof IframeQueryMap> = (
+    query: IframeQueryMap[T]["query"]
+) => IframeQueryMap[T]["answer"] | Promise<IframeQueryMap[T]["answer"]>;
 
 /**
  * Listens to messages from iframes and turn those messages into easy to use observables.
  * Also allows to send messages to those iframes.
  */
 class IframeListener {
-
     private readonly _chatStream: Subject<ChatEvent> = new Subject();
     public readonly chatStream = this._chatStream.asObservable();
 
@@ -83,9 +90,6 @@ class IframeListener {
     private readonly _setPropertyStream: Subject<SetPropertyEvent> = new Subject();
     public readonly setPropertyStream = this._setPropertyStream.asObservable();
 
-    private readonly _gameStateStream: Subject<void> = new Subject();
-    public readonly gameStateStream = this._gameStateStream.asObservable();
-
     private readonly _dataLayerChangeStream: Subject<void> = new Subject();
     public readonly dataLayerChangeStream = this._dataLayerChangeStream.asObservable();
 
@@ -104,113 +108,170 @@ class IframeListener {
     private readonly _loadSoundStream: Subject<LoadSoundEvent> = new Subject();
     public readonly loadSoundStream = this._loadSoundStream.asObservable();
 
+    private readonly _setTilesStream: Subject<SetTilesEvent> = new Subject();
+    public readonly setTilesStream = this._setTilesStream.asObservable();
+
     private readonly iframes = new Set<HTMLIFrameElement>();
     private readonly iframeCloseCallbacks = new Map<HTMLIFrameElement, (() => void)[]>();
     private readonly scripts = new Map<string, HTMLIFrameElement>();
     private sendPlayerMove: boolean = false;
 
+    private answerers: {
+        [key in keyof IframeQueryMap]?: AnswererCallback<key>;
+    } = {};
+
     init() {
-        window.addEventListener("message", (message: TypedMessageEvent<IframeEvent<keyof IframeEventMap>>) => {
-            // Do we trust the sender of this message?
-            // Let's only accept messages from the iframe that are allowed.
-            // Note: maybe we could restrict on the domain too for additional security (in case the iframe goes to another domain).
-            let foundSrc: string | undefined;
+        window.addEventListener(
+            "message",
+            <T extends keyof IframeEventMap, U extends keyof IframeQueryMap>(
+                message: TypedMessageEvent<IframeEvent<T | U>>
+            ) => {
+                // Do we trust the sender of this message?
+                // Let's only accept messages from the iframe that are allowed.
+                // Note: maybe we could restrict on the domain too for additional security (in case the iframe goes to another domain).
+                let foundSrc: string | undefined;
 
-            let iframe: HTMLIFrameElement;
-            for (iframe of this.iframes) {
-                if (iframe.contentWindow === message.source) {
-                    foundSrc = iframe.src;
-                    break;
-                }
-            }
-
-            if (foundSrc === undefined) {
-                return;
-            }
-
-            const payload = message.data;
-            if (isIframeEventWrapper(payload)) {
-                if (payload.type === 'showLayer' && isLayerEvent(payload.data)) {
-                    this._showLayerStream.next(payload.data);
-                } else if (payload.type === 'hideLayer' && isLayerEvent(payload.data)) {
-                    this._hideLayerStream.next(payload.data);
-                } else if (payload.type === 'setProperty' && isSetPropertyEvent(payload.data)) {
-                    this._setPropertyStream.next(payload.data);
-                } else if (payload.type === 'chat' && isChatEvent(payload.data)) {
-                    this._chatStream.next(payload.data);
-                } else if (payload.type === 'openPopup' && isOpenPopupEvent(payload.data)) {
-                    this._openPopupStream.next(payload.data);
-                } else if (payload.type === 'closePopup' && isClosePopupEvent(payload.data)) {
-                    this._closePopupStream.next(payload.data);
-                }
-                else if (payload.type === 'openTab' && isOpenTabEvent(payload.data)) {
-                    scriptUtils.openTab(payload.data.url);
-                }
-                else if (payload.type === 'goToPage' && isGoToPageEvent(payload.data)) {
-                    scriptUtils.goToPage(payload.data.url);
-                }
-                else if (payload.type === 'loadPage' && isLoadPageEvent(payload.data)) {
-                    this._loadPageStream.next(payload.data.url);
-                }
-                else if (payload.type === 'playSound' && isPlaySoundEvent(payload.data)) {
-                    this._playSoundStream.next(payload.data);
-                }
-                else if (payload.type === 'stopSound' && isStopSoundEvent(payload.data)) {
-                    this._stopSoundStream.next(payload.data);
-                }
-                else if (payload.type === 'loadSound' && isLoadSoundEvent(payload.data)) {
-                    this._loadSoundStream.next(payload.data);
-                }
-                else if (payload.type === 'openCoWebSite' && isOpenCoWebsite(payload.data)) {
-                    scriptUtils.openCoWebsite(payload.data.url, foundSrc);
+                let iframe: HTMLIFrameElement | undefined;
+                for (iframe of this.iframes) {
+                    if (iframe.contentWindow === message.source) {
+                        foundSrc = iframe.src;
+                        break;
+                    }
                 }
 
-                else if (payload.type === 'closeCoWebSite') {
-                    scriptUtils.closeCoWebSite();
+                const payload = message.data;
+
+                if (foundSrc === undefined || iframe === undefined) {
+                    if (isIframeEventWrapper(payload)) {
+                        console.warn(
+                            "It seems an iFrame is trying to communicate with WorkAdventure but was not explicitly granted the permission to do so. " +
+                                "If you are looking to use the WorkAdventure Scripting API inside an iFrame, you should allow the " +
+                                'iFrame to communicate with WorkAdventure by using the "openWebsiteAllowApi" property in your map (or passing "true" as a second' +
+                                "parameter to WA.nav.openCoWebSite())"
+                        );
+                    }
+                    return;
                 }
 
-                else if (payload.type === 'disablePlayerControls') {
-                    this._disablePlayerControlStream.next();
-                }
-                else if (payload.type === 'restorePlayerControls') {
-                    this._enablePlayerControlStream.next();
-                } else if (payload.type === 'displayBubble') {
-                    this._displayBubbleStream.next();
-                } else if (payload.type === 'removeBubble') {
-                    this._removeBubbleStream.next();
-                } else if (payload.type == "getState") {
-                    this._gameStateStream.next();
-                } else if (payload.type == "onPlayerMove") {
-                    this.sendPlayerMove = true
-                } else if (payload.type == "getDataLayer") {
-                    this._dataLayerChangeStream.next();
-                } else if (isMenuItemRegisterIframeEvent(payload)) {
-                    const data = payload.data.menutItem;
-                    // @ts-ignore
-                    this.iframeCloseCallbacks.get(iframe).push(() => {
-                        this._unregisterMenuCommandStream.next(data);
-                    })
-                    handleMenuItemRegistrationEvent(payload.data)
-                } else if (isTriggerMessageHandlerEvent(payload)) {
-                    triggerMessageEventHandler(payload)
-                }
-            }
-        }, false);
+                foundSrc = this.getBaseUrl(foundSrc, message.source);
 
+                if (isIframeQueryWrapper(payload)) {
+                    const queryId = payload.id;
+                    const query = payload.query as IframeQuery<U>;
+
+                    const answerer = this.answerers[query.type] as AnswererCallback<U> | undefined;
+                    if (answerer === undefined) {
+                        const errorMsg =
+                            'The iFrame sent a message of type "' +
+                            query.type +
+                            '" but there is no service configured to answer these messages.';
+                        console.error(errorMsg);
+                        iframe.contentWindow?.postMessage(
+                            {
+                                id: queryId,
+                                type: query.type,
+                                error: errorMsg,
+                            } as IframeErrorAnswerEvent,
+                            "*"
+                        );
+                        return;
+                    }
+
+                    Promise.resolve(answerer(query.data))
+                        .then((value) => {
+                            iframe?.contentWindow?.postMessage(
+                                {
+                                    id: queryId,
+                                    type: query.type,
+                                    data: value,
+                                },
+                                "*"
+                            );
+                        })
+                        .catch((reason) => {
+                            console.error("An error occurred while responding to an iFrame query.", reason);
+                            let reasonMsg: string;
+                            if (reason instanceof Error) {
+                                reasonMsg = reason.message;
+                            } else {
+                                reasonMsg = reason.toString();
+                            }
+
+                            iframe?.contentWindow?.postMessage(
+                                {
+                                    id: queryId,
+                                    type: query.type,
+                                    error: reasonMsg,
+                                } as IframeErrorAnswerEvent,
+                                "*"
+                            );
+                        });
+                } else if (isIframeEventWrapper(payload)) {
+                    if (payload.type === "showLayer" && isLayerEvent(payload.data)) {
+                        this._showLayerStream.next(payload.data);
+                    } else if (payload.type === "hideLayer" && isLayerEvent(payload.data)) {
+                        this._hideLayerStream.next(payload.data);
+                    } else if (payload.type === "setProperty" && isSetPropertyEvent(payload.data)) {
+                        this._setPropertyStream.next(payload.data);
+                    } else if (payload.type === "chat" && isChatEvent(payload.data)) {
+                        this._chatStream.next(payload.data);
+                    } else if (payload.type === "openPopup" && isOpenPopupEvent(payload.data)) {
+                        this._openPopupStream.next(payload.data);
+                    } else if (payload.type === "closePopup" && isClosePopupEvent(payload.data)) {
+                        this._closePopupStream.next(payload.data);
+                    } else if (payload.type === "openTab" && isOpenTabEvent(payload.data)) {
+                        scriptUtils.openTab(payload.data.url);
+                    } else if (payload.type === "goToPage" && isGoToPageEvent(payload.data)) {
+                        scriptUtils.goToPage(payload.data.url);
+                    } else if (payload.type === "loadPage" && isLoadPageEvent(payload.data)) {
+                        this._loadPageStream.next(payload.data.url);
+                    } else if (payload.type === "playSound" && isPlaySoundEvent(payload.data)) {
+                        this._playSoundStream.next(payload.data);
+                    } else if (payload.type === "stopSound" && isStopSoundEvent(payload.data)) {
+                        this._stopSoundStream.next(payload.data);
+                    } else if (payload.type === "loadSound" && isLoadSoundEvent(payload.data)) {
+                        this._loadSoundStream.next(payload.data);
+                    } else if (payload.type === "openCoWebSite" && isOpenCoWebsite(payload.data)) {
+                        scriptUtils.openCoWebsite(
+                            payload.data.url,
+                            foundSrc,
+                            payload.data.allowApi,
+                            payload.data.allowPolicy
+                        );
+                    } else if (payload.type === "closeCoWebSite") {
+                        scriptUtils.closeCoWebSite();
+                    } else if (payload.type === "disablePlayerControls") {
+                        this._disablePlayerControlStream.next();
+                    } else if (payload.type === "restorePlayerControls") {
+                        this._enablePlayerControlStream.next();
+                    } else if (payload.type === "displayBubble") {
+                        this._displayBubbleStream.next();
+                    } else if (payload.type === "removeBubble") {
+                        this._removeBubbleStream.next();
+                    } else if (payload.type == "onPlayerMove") {
+                        this.sendPlayerMove = true;
+                    } else if (payload.type == "getDataLayer") {
+                        this._dataLayerChangeStream.next();
+                    } else if (isMenuItemRegisterIframeEvent(payload)) {
+                        const data = payload.data.menutItem;
+                        // @ts-ignore
+                        this.iframeCloseCallbacks.get(iframe).push(() => {
+                            this._unregisterMenuCommandStream.next(data);
+                        });
+                        handleMenuItemRegistrationEvent(payload.data);
+                    } else if (payload.type == "setTiles" && isSetTilesEvent(payload.data)) {
+                        this._setTilesStream.next(payload.data);
+                    }
+                }
+            },
+            false
+        );
     }
 
     sendDataLayerEvent(dataLayerEvent: DataLayerEvent) {
         this.postMessage({
-            'type': 'dataLayer',
-            'data': dataLayerEvent
-        })
-    }
-
-
-    sendGameStateEvent(gameStateEvent: GameStateEvent) {
-        this.postMessage({
-            'type': 'gameState',
-            'data': gameStateEvent
+            type: "dataLayer",
+            data: dataLayerEvent,
         });
     }
 
@@ -223,25 +284,25 @@ class IframeListener {
     }
 
     unregisterIframe(iframe: HTMLIFrameElement): void {
-        this.iframeCloseCallbacks.get(iframe)?.forEach(callback => {
+        this.iframeCloseCallbacks.get(iframe)?.forEach((callback) => {
             callback();
         });
         this.iframes.delete(iframe);
     }
 
     registerScript(scriptUrl: string): void {
-        console.log('Loading map related script at ', scriptUrl)
+        console.log("Loading map related script at ", scriptUrl);
 
-        if (!process.env.NODE_ENV || process.env.NODE_ENV === 'development') {
+        if (!process.env.NODE_ENV || process.env.NODE_ENV === "development") {
             // Using external iframe mode (
-            const iframe = document.createElement('iframe');
+            const iframe = document.createElement("iframe");
             iframe.id = IframeListener.getIFrameId(scriptUrl);
-            iframe.style.display = 'none';
-            iframe.src = '/iframe.html?script=' + encodeURIComponent(scriptUrl);
+            iframe.style.display = "none";
+            iframe.src = "/iframe.html?script=" + encodeURIComponent(scriptUrl);
 
             // We are putting a sandbox on this script because it will run in the same domain as the main website.
-            iframe.sandbox.add('allow-scripts');
-            iframe.sandbox.add('allow-top-navigation-by-user-activation');
+            iframe.sandbox.add("allow-scripts");
+            iframe.sandbox.add("allow-top-navigation-by-user-activation");
 
             document.body.prepend(iframe);
 
@@ -249,36 +310,50 @@ class IframeListener {
             this.registerIframe(iframe);
         } else {
             // production code
-            const iframe = document.createElement('iframe');
+            const iframe = document.createElement("iframe");
             iframe.id = IframeListener.getIFrameId(scriptUrl);
-            iframe.style.display = 'none';
+            iframe.style.display = "none";
 
             // We are putting a sandbox on this script because it will run in the same domain as the main website.
-            iframe.sandbox.add('allow-scripts');
-            iframe.sandbox.add('allow-top-navigation-by-user-activation');
+            iframe.sandbox.add("allow-scripts");
+            iframe.sandbox.add("allow-top-navigation-by-user-activation");
 
             //iframe.src = "data:text/html;charset=utf-8," + escape(html);
-            iframe.srcdoc = '<!doctype html>\n' +
-                '\n' +
+            iframe.srcdoc =
+                "<!doctype html>\n" +
+                "\n" +
                 '<html lang="en">\n' +
-                '<head>\n' +
-                '<script src="' + window.location.protocol + '//' + window.location.host + '/iframe_api.js" ></script>\n' +
-                '<script src="' + scriptUrl + '" ></script>\n' +
-                '<title></title>\n' +
-                '</head>\n' +
-                '</html>\n';
+                "<head>\n" +
+                '<script src="' +
+                window.location.protocol +
+                "//" +
+                window.location.host +
+                '/iframe_api.js" ></script>\n' +
+                '<script src="' +
+                scriptUrl +
+                '" ></script>\n' +
+                "<title></title>\n" +
+                "</head>\n" +
+                "</html>\n";
 
             document.body.prepend(iframe);
 
             this.scripts.set(scriptUrl, iframe);
             this.registerIframe(iframe);
         }
+    }
 
-
+    private getBaseUrl(src: string, source: MessageEventSource | null): string {
+        for (const script of this.scripts) {
+            if (script[1].contentWindow === source) {
+                return script[0];
+            }
+        }
+        return src;
     }
 
     private static getIFrameId(scriptUrl: string): string {
-        return 'script' + btoa(scriptUrl);
+        return "script" + btoa(scriptUrl);
     }
 
     unregisterScript(scriptUrl: string): void {
@@ -295,47 +370,47 @@ class IframeListener {
 
     sendUserInputChat(message: string) {
         this.postMessage({
-            'type': 'userInputChat',
-            'data': {
-                'message': message,
-            } as UserInputChatEvent
+            type: "userInputChat",
+            data: {
+                message: message,
+            } as UserInputChatEvent,
         });
     }
 
     sendEnterEvent(name: string) {
         this.postMessage({
-            'type': 'enterEvent',
-            'data': {
-                "name": name
-            } as EnterLeaveEvent
+            type: "enterEvent",
+            data: {
+                name: name,
+            } as EnterLeaveEvent,
         });
     }
 
     sendLeaveEvent(name: string) {
         this.postMessage({
-            'type': 'leaveEvent',
-            'data': {
-                "name": name
-            } as EnterLeaveEvent
+            type: "leaveEvent",
+            data: {
+                name: name,
+            } as EnterLeaveEvent,
         });
     }
 
     hasPlayerMoved(event: HasPlayerMovedEvent) {
         if (this.sendPlayerMove) {
             this.postMessage({
-                'type': 'hasPlayerMoved',
-                'data': event
+                type: "hasPlayerMoved",
+                data: event,
             });
         }
     }
 
     sendButtonClickedEvent(popupId: number, buttonId: number): void {
         this.postMessage({
-            'type': 'buttonClickedEvent',
-            'data': {
+            type: "buttonClickedEvent",
+            data: {
                 popupId,
-                buttonId
-            } as ButtonClickedEvent
+                buttonId,
+            } as ButtonClickedEvent,
         });
     }
 
@@ -344,10 +419,30 @@ class IframeListener {
      */
     public postMessage(message: IframeResponseEvent<keyof IframeResponseEventMap>) {
         for (const iframe of this.iframes) {
-            iframe.contentWindow?.postMessage(message, '*');
+            iframe.contentWindow?.postMessage(message, "*");
         }
     }
 
+    /**
+     * Registers a callback that can be used to respond to some query (as defined in the IframeQueryMap type).
+     *
+     * Important! There can be only one "answerer" so registering a new one will unregister the old one.
+     *
+     * @param key The "type" of the query we are answering
+     * @param callback
+     */
+    public registerAnswerer<T extends keyof IframeQueryMap, Guard extends tg.TypeGuard<IframeQueryMap[T]["query"]>>(
+        key: T,
+        callback: AnswererCallback<T>,
+        typeChecker?: Guard
+    ): void {
+        //@ts-ignore
+        this.answerers[key] = callback;
+    }
+
+    public unregisterAnswerer(key: keyof IframeQueryMap): void {
+        delete this.answerers[key];
+    }
 }
 
 export const iframeListener = new IframeListener();

front/src/Api/ScriptUtils.ts

@@ -1,21 +1,19 @@
-import {coWebsiteManager} from "../WebRtc/CoWebsiteManager";
+import { coWebsiteManager } from "../WebRtc/CoWebsiteManager";
 
 class ScriptUtils {
-
-    public openTab(url : string){
+    public openTab(url: string) {
         window.open(url);
     }
 
-    public goToPage(url : string){
-         window.location.href = url;
-
+    public goToPage(url: string) {
+        window.location.href = url;
     }
 
-    public openCoWebsite(url: string, base: string) {
-           coWebsiteManager.loadCoWebsite(url, base);
+    public openCoWebsite(url: string, base: string, api: boolean, policy: string) {
+        coWebsiteManager.loadCoWebsite(url, base, api, policy);
     }
 
-    public closeCoWebSite(){
+    public closeCoWebSite() {
         coWebsiteManager.closeCoWebsite();
     }
 }

front/src/Api/iframe/IframeApiContribution.ts

@@ -1,20 +1,66 @@
 import type * as tg from "generic-type-guard";
-import type { IframeEvent, IframeEventMap, IframeResponseEventMap } from '../Events/IframeEvent';
+import type {
+    IframeEvent,
+    IframeEventMap,
+    IframeQuery,
+    IframeQueryMap,
+    IframeResponseEventMap,
+} from "../Events/IframeEvent";
+import type { IframeQueryWrapper } from "../Events/IframeEvent";
 
 export function sendToWorkadventure(content: IframeEvent<keyof IframeEventMap>) {
-    window.parent.postMessage(content, "*")
+    window.parent.postMessage(content, "*");
 }
-type GuardedType<Guard extends tg.TypeGuard<unknown>> = Guard extends tg.TypeGuard<infer T> ? T : never
 
-export interface IframeCallback<Key extends keyof IframeResponseEventMap, T = IframeResponseEventMap[Key], Guard = tg.TypeGuard<T>> {
+let queryNumber = 0;
 
-    typeChecker: Guard,
-    callback: (payloadData: T) => void
+export const answerPromises = new Map<
+    number,
+    {
+        resolve: (
+            value:
+                | IframeQueryMap[keyof IframeQueryMap]["answer"]
+                | PromiseLike<IframeQueryMap[keyof IframeQueryMap]["answer"]>
+        ) => void;
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+        reject: (reason?: any) => void;
+    }
+>();
+
+export function queryWorkadventure<T extends keyof IframeQueryMap>(
+    content: IframeQuery<T>
+): Promise<IframeQueryMap[T]["answer"]> {
+    return new Promise<IframeQueryMap[T]["answer"]>((resolve, reject) => {
+        window.parent.postMessage(
+            {
+                id: queryNumber,
+                query: content,
+            } as IframeQueryWrapper<T>,
+            "*"
+        );
+
+        answerPromises.set(queryNumber, {
+            resolve,
+            reject,
+        });
+
+        queryNumber++;
+    });
+}
+
+type GuardedType<Guard extends tg.TypeGuard<unknown>> = Guard extends tg.TypeGuard<infer T> ? T : never;
+
+export interface IframeCallback<
+    Key extends keyof IframeResponseEventMap,
+    T = IframeResponseEventMap[Key],
+    Guard = tg.TypeGuard<T>
+> {
+    typeChecker: Guard;
+    callback: (payloadData: T) => void;
 }
 
 export interface IframeCallbackContribution<Key extends keyof IframeResponseEventMap> extends IframeCallback<Key> {
-
-    type: Key
+    type: Key;
 }
 
 /**
@@ -23,9 +69,10 @@ export interface IframeCallbackContribution<Key extends keyof IframeResponseEven
  *
  */
 
-export abstract class IframeApiContribution<T extends {
-    callbacks: Array<IframeCallbackContribution<keyof IframeResponseEventMap>>,
-}> {
-
-    abstract callbacks: T["callbacks"]
+export abstract class IframeApiContribution<
+    T extends {
+        callbacks: Array<IframeCallbackContribution<keyof IframeResponseEventMap>>;
+    }
+> {
+    abstract callbacks: T["callbacks"];
 }

front/src/Api/iframe/Ui/MenuItem.ts

@@ -1,11 +1,11 @@
-import type { MenuItemClickedEvent } from '../../Events/ui/MenuItemClickedEvent';
-import { iframeListener } from '../../IframeListener';
+import type { MenuItemClickedEvent } from "../../Events/ui/MenuItemClickedEvent";
+import { iframeListener } from "../../IframeListener";
 
 export function sendMenuClickedEvent(menuItem: string) {
     iframeListener.postMessage({
-        'type': 'menuItemClicked',
-        'data': {
+        type: "menuItemClicked",
+        data: {
             menuItem: menuItem,
-        } as MenuItemClickedEvent
+        } as MenuItemClickedEvent,
     });
 }

front/src/Api/iframe/Ui/TriggerMessage.ts

@@ -1,22 +1,25 @@
-
-import { removeTriggerMessage, triggerMessage, TriggerMessageEvent } from '../../Events/ui/TriggerMessageEvent';
-import { sendToWorkadventure } from '../IframeApiContribution';
+import {
+    MessageReferenceEvent,
+    removeTriggerMessage,
+    triggerMessage,
+    TriggerMessageEvent,
+} from "../../Events/ui/TriggerMessageEvent";
+import { queryWorkadventure } from "../IframeApiContribution";
 function uuidv4() {
-    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
-        const r = Math.random() * 16 | 0, v = c === 'x' ? r : (r & 0x3 | 0x8);
+    return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, (c) => {
+        const r = (Math.random() * 16) | 0,
+            v = c === "x" ? r : (r & 0x3) | 0x8;
         return v.toString(16);
     });
 }
 
-export let triggerMessageInstance: TriggerMessage | undefined = undefined
-
-
+export let triggerMessageInstance: TriggerMessage | undefined = undefined;
 
 export class TriggerMessage {
-    uuid: string
+    uuid: string;
 
     constructor(private message: string, private callback: () => void) {
-        this.uuid = uuidv4()
+        this.uuid = uuidv4();
         if (triggerMessageInstance) {
             triggerMessageInstance.remove();
         }
@@ -24,28 +27,24 @@ export class TriggerMessage {
         this.create();
     }
 
-    create(): this {
-        sendToWorkadventure({
+    async create() {
+        await queryWorkadventure({
             type: triggerMessage,
             data: {
                 message: this.message,
-                uuid: this.uuid
-            } as TriggerMessageEvent
-        })
-        return this
-    }
-
-    remove() {
-        sendToWorkadventure({
-            type: removeTriggerMessage,
-            data: {
-                uuid: this.uuid
-            } as TriggerMessageEvent
-        })
-        triggerMessageInstance = undefined
-    }
-
-    trigger() {
+                uuid: this.uuid,
+            } as TriggerMessageEvent,
+        });
         this.callback();
     }
+
+    async remove() {
+        await queryWorkadventure({
+            type: removeTriggerMessage,
+            data: {
+                uuid: this.uuid,
+            } as MessageReferenceEvent,
+        });
+        triggerMessageInstance = undefined;
+    }
 }

front/src/Api/iframe/chat.ts

@@ -1,30 +1,30 @@
-import type { ChatEvent } from '../Events/ChatEvent'
-import { isUserInputChatEvent, UserInputChatEvent } from '../Events/UserInputChatEvent'
-import { IframeApiContribution, sendToWorkadventure } from './IframeApiContribution'
+import type { ChatEvent } from "../Events/ChatEvent";
+import { isUserInputChatEvent, UserInputChatEvent } from "../Events/UserInputChatEvent";
+import { IframeApiContribution, sendToWorkadventure } from "./IframeApiContribution";
 import { apiCallback } from "./registeredCallbacks";
-import {Subject} from "rxjs";
+import { Subject } from "rxjs";
 
 const chatStream = new Subject<string>();
 
-class WorkadventureChatCommands extends IframeApiContribution<WorkadventureChatCommands> {
-
-    callbacks = [apiCallback({
-        callback: (event: UserInputChatEvent) => {
-            chatStream.next(event.message);
-        },
-        type: "userInputChat",
-        typeChecker: isUserInputChatEvent
-    })]
-
+export class WorkadventureChatCommands extends IframeApiContribution<WorkadventureChatCommands> {
+    callbacks = [
+        apiCallback({
+            callback: (event: UserInputChatEvent) => {
+                chatStream.next(event.message);
+            },
+            type: "userInputChat",
+            typeChecker: isUserInputChatEvent,
+        }),
+    ];
 
     sendChatMessage(message: string, author: string) {
         sendToWorkadventure({
-            type: 'chat',
+            type: "chat",
             data: {
-                'message': message,
-                'author': author
-            }
-        })
+                message: message,
+                author: author,
+            },
+        });
     }
 
     /**
@@ -35,4 +35,4 @@ class WorkadventureChatCommands extends IframeApiContribution<WorkadventureChatC
     }
 }
 
-export default new WorkadventureChatCommands()
+export default new WorkadventureChatCommands();

front/src/Api/iframe/controls.ts

@@ -1,16 +1,15 @@
-import { IframeApiContribution, sendToWorkadventure } from './IframeApiContribution';
+import { IframeApiContribution, sendToWorkadventure } from "./IframeApiContribution";
 
-class WorkadventureControlsCommands extends IframeApiContribution<WorkadventureControlsCommands> {
-    callbacks = []
+export class WorkadventureControlsCommands extends IframeApiContribution<WorkadventureControlsCommands> {
+    callbacks = [];
 
     disablePlayerControls(): void {
-        sendToWorkadventure({ 'type': 'disablePlayerControls', data: null });
+        sendToWorkadventure({ type: "disablePlayerControls", data: null });
     }
 
     restorePlayerControls(): void {
-        sendToWorkadventure({ 'type': 'restorePlayerControls', data: null });
+        sendToWorkadventure({ type: "restorePlayerControls", data: null });
     }
 }
 
-
 export default new WorkadventureControlsCommands();

front/src/Api/iframe/nav.ts

@@ -1,57 +1,56 @@
-import type { GoToPageEvent } from '../Events/GoToPageEvent';
-import type { OpenTabEvent } from '../Events/OpenTabEvent';
-import { IframeApiContribution, sendToWorkadventure } from './IframeApiContribution';
-import type {OpenCoWebSiteEvent} from "../Events/OpenCoWebSiteEvent";
-import type {LoadPageEvent} from "../Events/LoadPageEvent";
-
-
-class WorkadventureNavigationCommands extends IframeApiContribution<WorkadventureNavigationCommands> {
-    callbacks = []
+import type { GoToPageEvent } from "../Events/GoToPageEvent";
+import type { OpenTabEvent } from "../Events/OpenTabEvent";
+import { IframeApiContribution, sendToWorkadventure } from "./IframeApiContribution";
+import type { OpenCoWebSiteEvent } from "../Events/OpenCoWebSiteEvent";
+import type { LoadPageEvent } from "../Events/LoadPageEvent";
 
+export class WorkadventureNavigationCommands extends IframeApiContribution<WorkadventureNavigationCommands> {
+    callbacks = [];
 
     openTab(url: string): void {
         sendToWorkadventure({
-            "type": 'openTab',
-            "data": {
-                url
-            }
+            type: "openTab",
+            data: {
+                url,
+            },
         });
     }
 
     goToPage(url: string): void {
         sendToWorkadventure({
-            "type": 'goToPage',
-            "data": {
-                url
-            }
+            type: "goToPage",
+            data: {
+                url,
+            },
         });
     }
 
     goToRoom(url: string): void {
         sendToWorkadventure({
-            "type": 'loadPage',
-            "data": {
-                url
-            }
+            type: "loadPage",
+            data: {
+                url,
+            },
         });
     }
 
-    openCoWebSite(url: string): void {
+    openCoWebSite(url: string, allowApi: boolean = false, allowPolicy: string = ""): void {
         sendToWorkadventure({
-            "type": 'openCoWebSite',
-            "data": {
-                url
-            }
+            type: "openCoWebSite",
+            data: {
+                url,
+                allowApi,
+                allowPolicy,
+            },
         });
     }
 
     closeCoWebSite(): void {
         sendToWorkadventure({
-            "type": 'closeCoWebSite',
-            data: null
+            type: "closeCoWebSite",
+            data: null,
         });
     }
 }
 
-
 export default new WorkadventureNavigationCommands();

front/src/Api/iframe/player.ts

@@ -1,28 +1,28 @@
-import {IframeApiContribution, sendToWorkadventure} from "./IframeApiContribution";
-import type {HasPlayerMovedEvent, HasPlayerMovedEventCallback} from "../Events/HasPlayerMovedEvent";
-import {Subject} from "rxjs";
-import {apiCallback} from "./registeredCallbacks";
-import {isHasPlayerMovedEvent} from "../Events/HasPlayerMovedEvent";
+import { IframeApiContribution, sendToWorkadventure } from "./IframeApiContribution";
+import type { HasPlayerMovedEvent, HasPlayerMovedEventCallback } from "../Events/HasPlayerMovedEvent";
+import { Subject } from "rxjs";
+import { apiCallback } from "./registeredCallbacks";
+import { isHasPlayerMovedEvent } from "../Events/HasPlayerMovedEvent";
 
 const moveStream = new Subject<HasPlayerMovedEvent>();
 
-class WorkadventurePlayerCommands extends IframeApiContribution<WorkadventurePlayerCommands> {
+export class WorkadventurePlayerCommands extends IframeApiContribution<WorkadventurePlayerCommands> {
     callbacks = [
         apiCallback({
-            type: 'hasPlayerMoved',
+            type: "hasPlayerMoved",
             typeChecker: isHasPlayerMovedEvent,
             callback: (payloadData) => {
                 moveStream.next(payloadData);
-            }
+            },
         }),
-    ]
+    ];
 
     onPlayerMove(callback: HasPlayerMovedEventCallback): void {
         moveStream.subscribe(callback);
         sendToWorkadventure({
-            type: 'onPlayerMove',
-            data: null
-        })
+            type: "onPlayerMove",
+            data: null,
+        });
     }
 }
 

front/src/Api/iframe/room.ts

@@ -1,87 +1,81 @@
 import { Subject } from "rxjs";
-import { EnterLeaveEvent, isEnterLeaveEvent } from '../Events/EnterLeaveEvent';
-import {IframeApiContribution, sendToWorkadventure} from './IframeApiContribution';
+
+import { isDataLayerEvent } from "../Events/DataLayerEvent";
+import { EnterLeaveEvent, isEnterLeaveEvent } from "../Events/EnterLeaveEvent";
+import { isGameStateEvent } from "../Events/GameStateEvent";
+
+import { IframeApiContribution, queryWorkadventure, sendToWorkadventure } from "./IframeApiContribution";
 import { apiCallback } from "./registeredCallbacks";
-import type {LayerEvent} from "../Events/LayerEvent";
-import type {SetPropertyEvent} from "../Events/setPropertyEvent";
-import type {GameStateEvent} from "../Events/GameStateEvent";
-import type {ITiledMap} from "../../Phaser/Map/ITiledMap";
-import type {DataLayerEvent} from "../Events/DataLayerEvent";
-import {isGameStateEvent} from "../Events/GameStateEvent";
-import {isDataLayerEvent} from "../Events/DataLayerEvent";
+
+import type { ITiledMap } from "../../Phaser/Map/ITiledMap";
+import type { DataLayerEvent } from "../Events/DataLayerEvent";
+import type { GameStateEvent } from "../Events/GameStateEvent";
 
 const enterStreams: Map<string, Subject<EnterLeaveEvent>> = new Map<string, Subject<EnterLeaveEvent>>();
 const leaveStreams: Map<string, Subject<EnterLeaveEvent>> = new Map<string, Subject<EnterLeaveEvent>>();
 const dataLayerResolver = new Subject<DataLayerEvent>();
 const stateResolvers = new Subject<GameStateEvent>();
 
-let immutableData: GameStateEvent;
+let immutableDataPromise: Promise<GameStateEvent> | undefined = undefined;
 
 interface Room {
-    id: string,
-    mapUrl: string,
-    map: ITiledMap,
-    startLayer: string | null
+    id: string;
+    mapUrl: string;
+    map: ITiledMap;
+    startLayer: string | null;
 }
 
 interface User {
-    id: string | undefined,
-    nickName: string | null,
-    tags: string[]
+    id: string | undefined;
+    nickName: string | null;
+    tags: string[];
 }
 
+interface TileDescriptor {
+    x: number;
+    y: number;
+    tile: number | string;
+    layer: string;
+}
 
 function getGameState(): Promise<GameStateEvent> {
-    if (immutableData) {
-        return Promise.resolve(immutableData);
-    }
-    else {
-        return new Promise<GameStateEvent>((resolver, thrower) => {
-            stateResolvers.subscribe(resolver);
-            sendToWorkadventure({type: "getState", data: null});
-        })
+    if (immutableDataPromise === undefined) {
+        immutableDataPromise = queryWorkadventure({ type: "getState", data: undefined });
     }
+    return immutableDataPromise;
 }
 
 function getDataLayer(): Promise<DataLayerEvent> {
     return new Promise<DataLayerEvent>((resolver, thrower) => {
         dataLayerResolver.subscribe(resolver);
-        sendToWorkadventure({type: "getDataLayer", data: null})
-    })
+        sendToWorkadventure({ type: "getDataLayer", data: null });
+    });
 }
 
-class WorkadventureRoomCommands extends IframeApiContribution<WorkadventureRoomCommands> {
+export class WorkadventureRoomCommands extends IframeApiContribution<WorkadventureRoomCommands> {
     callbacks = [
         apiCallback({
             callback: (payloadData: EnterLeaveEvent) => {
                 enterStreams.get(payloadData.name)?.next();
             },
             type: "enterEvent",
-            typeChecker: isEnterLeaveEvent
+            typeChecker: isEnterLeaveEvent,
         }),
         apiCallback({
             type: "leaveEvent",
             typeChecker: isEnterLeaveEvent,
             callback: (payloadData) => {
                 leaveStreams.get(payloadData.name)?.next();
-            }
-        }),
-        apiCallback({
-            type: "gameState",
-            typeChecker: isGameStateEvent,
-            callback: (payloadData) => {
-                stateResolvers.next(payloadData);
-            }
+            },
         }),
         apiCallback({
             type: "dataLayer",
             typeChecker: isDataLayerEvent,
             callback: (payloadData) => {
                 dataLayerResolver.next(payloadData);
-            }
+            },
         }),
-    ]
-
+    ];
 
     onEnterZone(name: string, callback: () => void): void {
         let subject = enterStreams.get(name);
@@ -90,7 +84,6 @@ class WorkadventureRoomCommands extends IframeApiContribution<WorkadventureRoomC
             enterStreams.set(name, subject);
         }
         subject.subscribe(callback);
-
     }
     onLeaveZone(name: string, callback: () => void): void {
         let subject = leaveStreams.get(name);
@@ -101,35 +94,44 @@ class WorkadventureRoomCommands extends IframeApiContribution<WorkadventureRoomC
         subject.subscribe(callback);
     }
     showLayer(layerName: string): void {
-        sendToWorkadventure({type: 'showLayer', data: {'name': layerName}});
+        sendToWorkadventure({ type: "showLayer", data: { name: layerName } });
     }
     hideLayer(layerName: string): void {
-        sendToWorkadventure({type: 'hideLayer', data: {'name': layerName}});
+        sendToWorkadventure({ type: "hideLayer", data: { name: layerName } });
     }
     setProperty(layerName: string, propertyName: string, propertyValue: string | number | boolean | undefined): void {
         sendToWorkadventure({
-            type: 'setProperty',
+            type: "setProperty",
             data: {
-                'layerName': layerName,
-                'propertyName': propertyName,
-                'propertyValue': propertyValue,
-            }
-        })
+                layerName: layerName,
+                propertyName: propertyName,
+                propertyValue: propertyValue,
+            },
+        });
     }
     getCurrentRoom(): Promise<Room> {
         return getGameState().then((gameState) => {
-          return getDataLayer().then((mapJson) => {
-              return {id: gameState.roomId, map: mapJson.data as ITiledMap, mapUrl: gameState.mapUrl, startLayer: gameState.startLayerName};
-          })
-        })
+            return getDataLayer().then((mapJson) => {
+                return {
+                    id: gameState.roomId,
+                    map: mapJson.data as ITiledMap,
+                    mapUrl: gameState.mapUrl,
+                    startLayer: gameState.startLayerName,
+                };
+            });
+        });
     }
     getCurrentUser(): Promise<User> {
         return getGameState().then((gameState) => {
-            return {id: gameState.uuid, nickName: gameState.nickname, tags: gameState.tags};
-        })
+            return { id: gameState.uuid, nickName: gameState.nickname, tags: gameState.tags };
+        });
+    }
+    setTiles(tiles: TileDescriptor[]) {
+        sendToWorkadventure({
+            type: "setTiles",
+            data: tiles,
+        });
     }
-
 }
 
-
 export default new WorkadventureRoomCommands();

front/src/Api/iframe/sound.ts

@@ -1,17 +1,15 @@
-import type { LoadSoundEvent } from '../Events/LoadSoundEvent';
-import type { PlaySoundEvent } from '../Events/PlaySoundEvent';
-import type { StopSoundEvent } from '../Events/StopSoundEvent';
-import { IframeApiContribution, sendToWorkadventure } from './IframeApiContribution';
-import {Sound} from "./Sound/Sound";
+import type { LoadSoundEvent } from "../Events/LoadSoundEvent";
+import type { PlaySoundEvent } from "../Events/PlaySoundEvent";
+import type { StopSoundEvent } from "../Events/StopSoundEvent";
+import { IframeApiContribution, sendToWorkadventure } from "./IframeApiContribution";
+import { Sound } from "./Sound/Sound";
 
-class WorkadventureSoundCommands extends IframeApiContribution<WorkadventureSoundCommands> {
-    callbacks = []
+export class WorkadventureSoundCommands extends IframeApiContribution<WorkadventureSoundCommands> {
+    callbacks = [];
 
     loadSound(url: string): Sound {
         return new Sound(url);
     }
-
 }
 
-
 export default new WorkadventureSoundCommands();

front/src/Api/iframe/ui.ts

@@ -1,20 +1,29 @@
-import { isButtonClickedEvent } from '../Events/ButtonClickedEvent';
-import { isMenuItemClickedEvent } from '../Events/ui/MenuItemClickedEvent';
-import { isMessageReferenceEvent } from '../Events/ui/TriggerMessageEvent';
-import { IframeApiContribution, sendToWorkadventure } from './IframeApiContribution';
+import { isButtonClickedEvent } from "../Events/ButtonClickedEvent";
+import { isMenuItemClickedEvent } from "../Events/ui/MenuItemClickedEvent";
+import { IframeApiContribution, sendToWorkadventure } from "./IframeApiContribution";
 import { apiCallback } from "./registeredCallbacks";
 import type { ButtonClickedCallback, ButtonDescriptor } from "./Ui/ButtonDescriptor";
 import { Popup } from "./Ui/Popup";
-import { TriggerMessage, triggerMessageInstance } from './Ui/TriggerMessage';
+import { TriggerMessage } from "./Ui/TriggerMessage";
 
 let popupId = 0;
 const popups: Map<number, Popup> = new Map<number, Popup>();
-const popupCallbacks: Map<number, Map<number, ButtonClickedCallback>> = new Map<number, Map<number, ButtonClickedCallback>>();
+const popupCallbacks: Map<number, Map<number, ButtonClickedCallback>> = new Map<
+    number,
+    Map<number, ButtonClickedCallback>
+>();
 
-const menuCallbacks: Map<string, (command: string) => void> = new Map()
+const menuCallbacks: Map<string, (command: string) => void> = new Map();
 
-class WorkAdventureUiCommands extends IframeApiContribution<WorkAdventureUiCommands> {
+interface ZonedPopupOptions {
+    zone: string;
+    objectLayerName?: string;
+    popupText: string;
+    delay?: number;
+    popupOptions: Array<ButtonDescriptor>;
+}
 
+export class WorkAdventureUiCommands extends IframeApiContribution<WorkAdventureUiCommands> {
     callbacks = [
         apiCallback({
             type: "buttonClickedEvent",
@@ -28,28 +37,20 @@ class WorkAdventureUiCommands extends IframeApiContribution<WorkAdventureUiComma
                 if (callback) {
                     callback(popup);
                 }
-            }
+            },
         }),
         apiCallback({
             type: "menuItemClicked",
             typeChecker: isMenuItemClickedEvent,
-            callback: event => {
+            callback: (event) => {
                 const callback = menuCallbacks.get(event.menuItem);
                 if (callback) {
-                    callback(event.menuItem)
+                    callback(event.menuItem);
                 }
-            }
+            },
         }),
-        apiCallback({
-            type: "messageTriggered",
-            typeChecker: isMessageReferenceEvent,
-            callback: event => {
-                triggerMessageInstance?.trigger();
-            }
-        })
     ];
 
-
     openPopup(targetObject: string, message: string, buttons: ButtonDescriptor[]): Popup {
         popupId++;
         const popup = new Popup(popupId);
@@ -67,41 +68,42 @@ class WorkAdventureUiCommands extends IframeApiContribution<WorkAdventureUiComma
         }
 
         sendToWorkadventure({
-            'type': 'openPopup',
-            'data': {
+            type: "openPopup",
+            data: {
                 popupId,
                 targetObject,
                 message,
                 buttons: buttons.map((button) => {
                     return {
                         label: button.label,
-                        className: button.className
+                        className: button.className,
                     };
-                })
-            }
+                }),
+            },
         });
 
-        popups.set(popupId, popup)
+        popups.set(popupId, popup);
         return popup;
     }
 
     registerMenuCommand(commandDescriptor: string, callback: (commandDescriptor: string) => void) {
         menuCallbacks.set(commandDescriptor, callback);
         sendToWorkadventure({
-            'type': 'registerMenuCommand',
-            'data': {
-                menutItem: commandDescriptor
-            }
+            type: "registerMenuCommand",
+            data: {
+                menutItem: commandDescriptor,
+            },
         });
     }
 
     displayBubble(): void {
-        sendToWorkadventure({ 'type': 'displayBubble', data: null });
+        sendToWorkadventure({ type: "displayBubble", data: null });
     }
 
     removeBubble(): void {
-        sendToWorkadventure({ 'type': 'removeBubble', data: null });
+        sendToWorkadventure({ type: "removeBubble", data: null });
     }
+
     triggerMessage(message: string, callback: () => void): TriggerMessage {
         return new TriggerMessage(message, callback);
     }

front/src/Components/App.svelte

@@ -1,5 +1,5 @@
 <script lang="typescript">
-    import {enableCameraSceneVisibilityStore, gameOverlayVisibilityStore} from "../Stores/MediaStore";
+    import {enableCameraSceneVisibilityStore} from "../Stores/MediaStore";
     import CameraControls from "./CameraControls.svelte";
     import MyCamera from "./MyCamera.svelte";
     import SelectCompanionScene from "./SelectCompanion/SelectCompanionScene.svelte";
@@ -21,10 +21,13 @@
     import AudioPlaying from "./UI/AudioPlaying.svelte";
     import {soundPlayingStore} from "../Stores/SoundPlayingStore";
     import ErrorDialog from "./UI/ErrorDialog.svelte";
+    import VideoOverlay from "./Video/VideoOverlay.svelte";
+    import {gameOverlayVisibilityStore} from "../Stores/GameOverlayStoreVisibility";
     import {consoleGlobalMessageManagerVisibleStore} from "../Stores/ConsoleGlobalMessageManagerStore";
     import ConsoleGlobalMessageManager from "./ConsoleGlobalMessageManager/ConsoleGlobalMessageManager.svelte";
 
     export let game: Game;
+
 </script>
 
 <div>
@@ -68,6 +71,7 @@
     -->
     {#if $gameOverlayVisibilityStore}
         <div>
+            <VideoOverlay></VideoOverlay>
             <MyCamera></MyCamera>
             <CameraControls></CameraControls>
         </div>

front/src/Components/CameraControls.svelte

@@ -7,6 +7,11 @@
     import cinemaCloseImg from "./images/cinema-close.svg";
     import microphoneImg from "./images/microphone.svg";
     import microphoneCloseImg from "./images/microphone-close.svg";
+    import layoutPresentationImg from "./images/layout-presentation.svg";
+    import layoutChatImg from "./images/layout-chat.svg";
+    import {layoutModeStore} from "../Stores/StreamableCollectionStore";
+    import {LayoutMode} from "../WebRtc/LayoutManager";
+    import {peerStore} from "../Stores/PeerStore";
 
     function screenSharingClick(): void {
         if ($requestedScreenSharingState === true) {
@@ -32,10 +37,24 @@
         }
     }
 
+    function switchLayoutMode() {
+        if ($layoutModeStore === LayoutMode.Presentation) {
+            $layoutModeStore = LayoutMode.VideoChat;
+        } else {
+            $layoutModeStore = LayoutMode.Presentation;
+        }
+    }
 </script>
 
 <div>
     <div class="btn-cam-action">
+        <div class="btn-layout" on:click={switchLayoutMode} class:hide={$peerStore.size === 0}>
+            {#if $layoutModeStore === LayoutMode.Presentation }
+                <img src={layoutPresentationImg} style="padding: 2px" alt="Switch to mosaic mode">
+            {:else}
+                <img src={layoutChatImg} style="padding: 2px" alt="Switch to presentation mode">
+            {/if}
+        </div>
         <div class="btn-monitor" on:click={screenSharingClick} class:hide={!$screenSharingAvailableStore} class:enabled={$requestedScreenSharingState}>
             {#if $requestedScreenSharingState}
                 <img src={monitorImg} alt="Start screen sharing">

front/src/Components/CustomCharacterScene/CustomCharacterScene.svelte

@@ -1,11 +1,11 @@
 <script lang="typescript">
     import type { Game } from "../../Phaser/Game/Game";
     import {CustomizeScene, CustomizeSceneName} from "../../Phaser/Login/CustomizeScene";
+    import {activeRowStore} from "../../Stores/CustomCharacterStore";
 
     export let game: Game;
 
     const customCharacterScene = game.scene.getScene(CustomizeSceneName) as CustomizeScene;
-    let activeRow = customCharacterScene.activeRow;
 
     function selectLeft() {
         customCharacterScene.moveCursorHorizontally(-1);
@@ -17,12 +17,10 @@
 
     function selectUp() {
         customCharacterScene.moveCursorVertically(-1);
-        activeRow = customCharacterScene.activeRow;
     }
 
     function selectDown() {
         customCharacterScene.moveCursorVertically(1);
-        activeRow = customCharacterScene.activeRow;
     }
 
     function previousScene() {
@@ -44,16 +42,16 @@
         <button class="customCharacterSceneButton customCharacterSceneButtonRight nes-btn" on:click|preventDefault={ selectRight }> &gt; </button>
     </section>
     <section class="action">
-        {#if activeRow === 0}
+        {#if $activeRowStore === 0}
             <button type="submit" class="customCharacterSceneFormBack nes-btn" on:click|preventDefault={ previousScene }>Return</button>
         {/if}
-        {#if activeRow !== 0}
+        {#if $activeRowStore !== 0}
             <button type="submit" class="customCharacterSceneFormBack nes-btn" on:click|preventDefault={ selectUp }>Back <img src="resources/objects/arrow_up_black.png" alt=""/></button>
         {/if}
-        {#if activeRow === 5}
+        {#if $activeRowStore === 5}
             <button type="submit" class="customCharacterSceneFormSubmit nes-btn is-primary" on:click|preventDefault={ finish }>Finish</button>
         {/if}
-        {#if activeRow !== 5}
+        {#if $activeRowStore !== 5}
             <button type="submit" class="customCharacterSceneFormSubmit nes-btn is-primary" on:click|preventDefault={ selectDown }>Next <img src="resources/objects/arrow_down.png" alt=""/></button>
         {/if}
     </section>

front/src/Components/EnableCamera/HorizontalSoundMeterWidget.svelte

@@ -58,7 +58,7 @@
 
 
 <div class="horizontal-sound-meter" class:active={display}>
-    {#each [...Array(NB_BARS).keys()] as i}
+    {#each [...Array(NB_BARS).keys()] as i (i)}
         <div style={color(i, volume)}></div>
     {/each}
 </div>

front/src/Components/SoundMeterWidget.svelte

@@ -6,8 +6,6 @@
     export let stream: MediaStream|null;
     let volume = 0;
 
-    const NB_BARS = 5;
-
     let timeout: ReturnType<typeof setTimeout>;
     const soundMeter = new SoundMeter();
     let display = false;
@@ -23,7 +21,7 @@
 
             timeout = setInterval(() => {
                 try{
-                    volume = parseInt((soundMeter.getVolume() / 100 * NB_BARS).toFixed(0));
+                    volume = soundMeter.getVolume();
                     //console.log(volume);
                 }catch(err){
 
@@ -45,9 +43,9 @@
 
 
 <div class="sound-progress" class:active={display}>
-    <span class:active={volume > 1}></span>
-    <span class:active={volume > 2}></span>
-    <span class:active={volume > 3}></span>
-    <span class:active={volume > 4}></span>
     <span class:active={volume > 5}></span>
+    <span class:active={volume > 10}></span>
+    <span class:active={volume > 15}></span>
+    <span class:active={volume > 40}></span>
+    <span class:active={volume > 70}></span>
 </div>

front/src/Components/Video/ChatLayout.svelte

@@ -0,0 +1,35 @@
+<script lang="ts">
+    import {streamableCollectionStore} from "../../Stores/StreamableCollectionStore";
+    import {afterUpdate, onDestroy} from "svelte";
+    import {biggestAvailableAreaStore} from "../../Stores/BiggestAvailableAreaStore";
+    import MediaBox from "./MediaBox.svelte";
+
+    let cssClass = 'one-col';
+
+    const unsubscribe = streamableCollectionStore.subscribe((displayableMedias) => {
+        const nbUsers = displayableMedias.size;
+        if (nbUsers <= 1) {
+            cssClass = 'one-col';
+        } else if (nbUsers <= 4) {
+            cssClass = 'two-col';
+        } else if (nbUsers <= 9) {
+            cssClass = 'three-col';
+        } else {
+            cssClass = 'four-col';
+        }
+    });
+
+    onDestroy(() => {
+        unsubscribe();
+    });
+
+    afterUpdate(() => {
+        biggestAvailableAreaStore.recompute();
+    })
+</script>
+
+<div class="chat-mode {cssClass}">
+    {#each [...$streamableCollectionStore.values()] as peer (peer.uniqueId)}
+        <MediaBox streamable={peer}></MediaBox>
+    {/each}
+</div>